UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-K
ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the Fiscal Year Ended December 31, 20142017
Commission File Number 1-4949
CUMMINS INC.
Indiana
(State of Incorporation)
 
35-0257090
(IRS Employer Identification No.)
500 Jackson Street
Box 3005
Columbus, Indiana 47202-3005
(Address of principal executive offices)
Telephone (812) 377-5000
Securities registered pursuant to Section 12(b) of the Act:
Title of each class Name of each exchange on which registered
Common Stock, $2.50 par value New York Stock Exchange
Securities registered pursuant to Section 12(g) of the Act: None.

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes x    No o
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes o    No x
Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days. Yes x    No o
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 229.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x    No o
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. xo
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definition of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):
Large accelerated filer x
 
Accelerated filer o
 
Non-accelerated filer o
(Do not check if a smaller reporting company)
 
Smaller reporting company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o    No x
The aggregate market value of the voting stock held by non-affiliates was approximately $28.4$27.2 billion at June 29, 2014.July 2, 2017. This value includes all shares of the registrant's common stock, except for treasury shares.
As of January 30, 2015,February 2, 2018, there were 181,945,783 165,683,334shares outstanding of $2.50 par value common stock.
Documents Incorporated by Reference
Portions of the registrant's definitive Proxy Statement for its 20152018 annual meeting of shareholders, which will be filed with the Securities and Exchange Commission on Schedule 14A within 120 days after the end of 2014,2017, will be incorporated by reference in Part III of this Form 10-K to the extent indicated therein upon such filing.
Website Access to Company's Reports
We maintain an internet website at www.cummins.com. Investors may obtain copies of our filings from this website free of charge as soon as reasonable practicable after they are electronically filed with, or furnished to, the Securities and Exchange Commission.
     



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CUMMINS INC. AND SUBSIDIARIES
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Cummins Inc. and its consolidated subsidiaries are hereinafter sometimes referred to as "Cummins," "we," "our," or "us."
CAUTIONARY STATEMENTS REGARDING FORWARD-LOOKING INFORMATION
Certain parts of this annual report contain forward-looking statements intended to qualify for the safe harbors from liability established by the Private Securities Litigation Reform Act of 1995. Forward-looking statements include those that are based on current expectations, estimates and projections about the industries in which we operate and management’s beliefs and assumptions. Forward-looking statements are generally accompanied by words such as "anticipates," "expects," "forecasts," "intends," "plans," "believes," "seeks," "estimates," "could," "should" or words of similar meaning. These statements are not guarantees of future performance and involve certain risks, uncertainties and assumptions, which we refer to as "future factors," which are difficult to predict. Therefore, actual outcomes and results may differ materially from what is expressed or forecasted in such forward-looking statements. Some future factors that could cause our results to differ materially from the results discussed in such forward-looking statements are discussed below and shareholders, potential investors and other readers are urged to consider these future factors carefully in evaluating forward-looking statements. Readers are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date hereof. Future factors that could affect the outcome of forward-looking statements include the following:
a sustained slowdown or significant downturn in our markets;
changes in the engine outsourcing practices of significant customers;
the development of new technologies that reduce demand for our current products and services;
any significant additional problems in our engine platforms or aftertreatment systems;
product recalls;
lower than expected acceptance of new or existing products or services;
a slowdown in infrastructure development;development and/or depressed commodity prices;
unpredictability in the adoption, implementation and enforcement of emission standards around the world;
the actions of, and income from, joint ventures and other investees that we do not directly control;
changes in the engine outsourcing practices of significant customers;
taxation;
a downturn in the North American truck industryexposure to potential security breaches or financial distress of a major truck customer;
other disruptions to our information technology systems and data security;
a major customer experiencing financial distress;
any significant problems in our new engine platforms;
supply shortagesplan to reposition our portfolio of product offerings through exploring strategic acquisitions and supplier financial risk, particularly from anydivestitures and related uncertainties of our single-sourced suppliers;entering such transactions;
variability in material and commodity costs;
product recalls;
competitor pricing activity;
supply shortages and supplier financial risk, particularly from any of our single-sourced suppliers;
competitor activity;
increasing competition, including increased global competition among our customers in emerging markets; 
policy changes in international trade;
foreign currency exchange rate changes;
variability in material and commodity costs;
failure to realize expected results from our investment in Eaton Cummins Automated Transmission Technologies joint venture;
political, economic and other risks from operations in numerous countries;
global legal and ethical compliance costs and risks;
exposure to information technology security threats and sophisticated "cyber attacks;"
political, economic and other risks from operations in numerous countries;
changes in taxation;
global legal and ethical compliance costs and risks;
aligning our capacity and production with our demand;
product liability claims;
product liability claims;
the development of new technologies;
obtaining additional customers for our new light-duty diesel engine platform and avoiding any related write-down in our investments in such platform;
increasingly stringent environmental laws and regulations;
foreign currency exchange rate changes;
future bans or limitations on the use of diesel-powered vehicles;
the price and availability of energy;
the performance of our pension plan assets;
labor relations;
changes in accounting standards;
our sales mix of products;

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protection and validity of our patent and other intellectual property rights;
technological implementation and cost/financial risks in our increasing use of large, multi-year contracts;
the cyclical nature of some of our markets;
the outcome of pending and future litigation and governmental proceedings;
continued availability of financing, financial instruments and financial resources in the amounts, at the times and on the terms required to support our future business;
the consummation and integration of the planned acquisitions of our partially-owned United States and Canadian distributors; and
the performance of our pension plan assets and volatility of discount rates;
labor relations;
changes in accounting standards;
our sales mix of products;
protection and validity of our patent and other intellectual property rights;
technological implementation and cost/financial risks in our increasing use of large, multi-year contracts;
the outcome of pending and future litigation and governmental proceedings;
continued availability of financing, financial instruments and financial resources in the amounts, at the times and on the terms required to support our future business; and
other risk factors described in Item IA1A under the caption "Risk Factors."
Shareholders, potential investors and other readers are urged to consider these factors carefully in evaluating the forward-looking statements and are cautioned not to place undue reliance on such forward-looking statements. The forward-looking statements made herein are made only as of the date of this annual report and we undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise.




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PART I
ITEM 1.    Business
OVERVIEW
Cummins Inc. wasWe were founded in 1919 as Cummins Engine Company, a corporation in Columbus, Indiana asand one of the first diesel engine manufacturers. In 2001, we changed our name to Cummins Inc. We are a global power leader that designs, manufactures, distributes and services diesel and natural gas engines and engine-related component products, including filtration, aftertreatment, turbochargers, fuel systems, controls systems, air handling systems, transmissions and electric power generation systems. We sell our products to original equipment manufacturers (OEMs), distributors and other customers worldwide. We serve our customers through a network of approximately 600 company-owned500 wholly-owned and independent distributor locations and approximately 7,200over 7,500 dealer locations in more than 190 countries and territories.
OPERATING SEGMENTS
We have four complementary operating segments: Engine, Distribution, Components and Power Generation.Systems. These segments share technology, customers, strategic partners, brand recognition and our distribution network in order to compete more efficiently and effectively in their respective markets. In each of our operating segments, we compete worldwide with a number of other manufacturers and distributors that produce and sell similar products. Our products compete primarily on the basis of performance, fuel economy, speed of delivery, quality, customer support and price. Financial information about our operating segments, including geographic information, is incorporated by reference from Note 19,21, "OPERATING SEGMENTS," to our Consolidated Financial Statements.
Engine Segment
Engine segment sales and earnings before interest and taxes (EBIT) as a percentage of consolidated results were:
 Years ended December 31, Years ended December 31,
 2014 2013 2012 2017 2016 2015
Percent of consolidated net sales(1)
 45% 47% 50% 34% 35% 36%
Percent of consolidated EBIT(1)
 48% 48% 54% 40% 35% 30%

(1) Measured before intersegment eliminations
Our Engine segment manufactures and markets a broad range of diesel and natural gas powered engines under the Cummins brand name, as well as certain customer brand names, for the heavy- and medium-duty truck, bus, recreational vehicle (RV), light-duty automotive, agricultural, construction, mining, marine, rail, oil and gas, raildefense and governmental equipmentagricultural markets. We offermanufacture a wide variety of engine products including:
Engines with a displacement range of 2.8 to 9515 liters and horsepower ranging from 4948 to 5,100;715 and
New parts and service, as well as remanufactured parts and engines, through our extensive distribution network;
The newly developed 5.0 liter V8 diesel engine, which will be sold through the RV, pick-up, bus and certain medium-duty truck markets; and
The newly developed 95 liter QSK95 diesel engine will begin production in 2015.network.
Our Engine segment is organized by engine displacement size and serves these end-user markets:
Heavy-duty truck -We manufacture diesel and natural gas engines that range from 310 to 605 horsepower serving global heavy-duty truck customers worldwide, primarily in North America, China, Latin America and Australia.
Medium-duty truck and bus -We manufacture diesel and natural gas engines ranging from 130 to 450 horsepower serving medium-duty truck and bus customers worldwide, with key markets including North America, Latin America, China, Europe and India. Applications include pickup and delivery trucks, vocational truck, school bus, transit bus and shuttle bus. We also provide diesel engines for Class A motor homes (RVs), primarily in North America.
Light-duty automotive (Pickup and Light Commercial Vehicle (LCV)) -We manufacture 105 to 385 horsepower diesel engines, including engines for the pickup truck market for Fiat Chrysler Automobiles (Fiat Chrysler) and Nissan in North America, and LCV markets in Europe, Latin America and China.
Heavy-duty truck - We manufacture diesel engines that range from 310 to 600 horsepower serving global heavy-duty truck customers worldwide.
Medium-duty truck and bus - We manufacture medium-duty diesel engines ranging from 200 to 450 horsepower serving medium-duty and inter-city delivery truck customers worldwide, with key markets including North America, Latin America, Europe and Mexico. We also provide diesel and natural gas engines for school buses, transit buses and shuttle buses worldwide, with key markets including North America, Europe, Latin America and Asia.
Light-duty automotive and RV - We manufacture 320 to 385 horsepower diesel engines for Chrysler Group, LLC's (Chrysler) heavy-duty chassis cab and pickup trucks and 200 to 600 horsepower diesel engines for Class A motor homes (RVs), primarily in North America.

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Industrial - We provide mid-range, heavy-duty and high-horsepower engines that range from 49 to 5,100 horsepower for a wide variety of equipment in the construction, agricultural, mining, rail, government, oil and gas, power generation and commercial and recreational marine applications throughout the world. Across these markets we have major customers in North America, Europe, Middle East, Africa, China, Korea, Japan, Latin America, India, Russia, Southeast Asia, South Pacific and Mexico.

Off-highway -We manufacture diesel engines that range from 48 to 715 horsepower to key global markets including mining, marine, rail, oil and gas, defense, agriculture and construction equipment and also to the power generation business for standby, mobile and distributed power generation solutions throughout the world.
The principal customers of our heavy- and medium-dutyheavy-duty truck engines include truck manufacturers such as PACCAR Inc. (PACCAR), Navistar International Corporation (Navistar) and Daimler Trucks North America Navistar International Corporation (Navistar), Ford Motor Company, MAN Latin America(Daimler). The principal customers of our medium-duty truck engines include truck manufacturers such as Daimler, PACCAR and Volvo.Navistar. We sell our industrial engines to manufacturers of construction, agricultural and marine equipment, including Hyundai, Xuzhou Construction Machinery Group, Komatsu, Belaz, Hyundai, HitachiJohn Deere and JLG.Wirtgen. The principal customers of our light-duty on-highway engines are Fiat Chrysler, Nissan and manufacturers of RVs.
In the markets served by our Engine segment, we compete with independent engine manufacturers as well as OEMs who manufacture engines for their own products. Our primary competitors in North America are Navistar, Daimler, Trucks North America, Caterpillar Inc. (CAT), Volvo Powertrain, Ford Motor Company (Ford), PACCAR and Hino Power. Our primary competitors in international markets vary from country to country, with local manufacturers generally predominant in each geographic market. Other engine manufacturers in international markets include Weichai Power Co. Ltd., Volvo AB (Volvo), Daimler AG, Volkswagen AG, MAN Nutzfahrzeuge AG (MAN), Scania AB, Fiat Power Systems, GuangxiYuchaiGuangxi Yuchai Group, GE Jenbacher, TognumRolls-Royce Power Systems AG, CAT, Volvo, Yanmar Co., Ltd. and Deutz AG.
Distribution Segment
Distribution segment sales and EBIT as a percentage of consolidated results were:
 Years ended December 31, Years ended December 31,
 2014 2013 2012 2017 2016 2015
Percent of consolidated net sales(1)
 22% 18% 16% 27% 28% 26%
Percent of consolidated EBIT(1)
 19% 18% 16% 16% 20% 20%

(1) Measured before intersegment eliminations
Our Distribution segment consists of 34 company-owned28 wholly-owned and 810 joint venture distributors that service and distribute the full range of our products and services to end-users at over 400approximately 450 locations in approximately 80over 90 distribution territories. Our company-ownedwholly-owned distributors are located in key markets, including North America, Australia, Europe, the Middle East, India, China, Africa, Russia, Japan, Brazil, Singapore and Central America, while our joint venture distributors are located in key markets, including North America, South America, China,the Middle East, India, Thailand Singapore and Vietnam.Singapore.
In the first quarter of 2017, our Distribution segment reorganized its regions to align with how the segment is managed. The Distribution segment consists of the following businessesproduct lines which service and/or distribute the full range of our products and services:
Parts and filtration;Parts;
Engines;
Power generation;
Engines;generation and
Service.
The Distribution segment is organized into seveneight primary geographic regions:
North and Central America;
Europe, CIS and China;
Asia Pacific;
Europe;
Africa and Middle East;
Africa;China;
India;
Latin America and
South America.
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Russia.
Asia Pacific is composed of six smaller regional distributor organizations (South Pacific, Korea, Japan, Philippines, Malaysia and Singapore) which allow us to better manage these vast geographic territories.

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North and Central America are comprised of a network of wholly-owned, partially-owned and independent distributors. Internationally, ourOur distribution network consists of independent, partially-owned and wholly-owned distributors. Through these networks, wedistributors which provide parts and service to our customers. These full-service solutions include maintenance contracts, engineering services and integrated products, where we customize our products to cater to specific needs of end-users. Our distributors also serve and develop dealers, predominantly OEM dealers, in their territories by providing new products, technical support, tools, training, parts and product information.
In addition to managing our involvement with our wholly-owned and partially-owned distributors, our DistributionThe distribution segment is responsible for managing the performanceoperations of our wholly-owned and capabilities ofpartially owned distributors as well as our relationships with independent distributors. Our Distribution segment serves a highly diverse customer base with approximately 4338 percent of its 20142017 and 2016 sales being generated from new engines and power generation equipment, compared to 44 percent in 2013, with its remaining sales generated by parts and filtration and service revenue.
Financial information about our distributors accounted for under the equity method are incorporated by reference from Note 3, "INVESTMENTS IN EQUITY INVESTEES," to our Consolidated Financial Statements.
Our distributors compete with distributors or dealers that offer similar products. In many cases, these competing distributors or dealers are owned by, or affiliated with the companies that are listed as competitors of our Engine, Components or Power GenerationSystems segments. These competitors vary by geographical location.
In September 2013, we announced our intention to acquire the equity that we do not already own in most of our partially-owned United States and Canadian distributors over the next three to five years. During 2014, we spent $460 million on these acquisitions and the related debt retirements. Refer to Note 2, "ACQUISITIONS," to our Consolidated Financial Statements for additional information.
Components Segment
Components segment sales and EBIT as a percentage of consolidated results were:
 Years ended December 31, Years ended December 31,
 2014 2013 2012 2017 2016 2015
Percent of consolidated net sales(1)
 21% 21% 19% 23% 21% 21%
Percent of consolidated EBIT(1)
 27% 24% 18% 32% 32% 34%

(1) Measured before intersegment eliminations
Our Components segment supplies products which complement our Engine segment,and Power Systems segments, including aftertreatment systems, turbochargers, transmissions, filtration products and fuel systems for commercial diesel applications. We manufacture filtration systems for on- and off-highway heavy-duty and mid-rangemedium-duty equipment, and we are a supplier of filtration products for industrial and passenger carvehicle applications. In addition, we develop aftertreatment systems and turbochargers to help our customers meet increasingly stringent emission standards and fuel systems which to date have primarily supplied our Engine segment and our joint venture partner Scania.partners Beijing Foton, Dongfeng, Scania and Tata.
In the first quarter of 2017, our Components segment reorganized its reporting structure to move the electronics business out of the emission solutions business and into the fuel systems business to enhance operational, administrative and product development efficiencies. We renamed our fuel systems business to electronics and fuel systems.
In the third quarter of 2017, we formed the Eaton Cummins Automated Transmission Technologies joint venture (ECJV), which was consolidated and included in our Components segment as the automated transmissions business. See Note 18, "ACQUISITIONS", in the Notes to our Consolidated Financial Statements for additional information.
Our Components segment is organized around the following businesses:
Emission solutions - We are a global leader in designing, manufacturing and integrating aftertreatment technology and solutions for the commercial on- and off-highway light, medium, heavy-duty and high-horsepower engine markets. Aftertreatment is the mechanism used to convert engine emissions of criteria pollutants, such as particulate matter (PM), nitrogen oxides (NOx), carbon monoxide (CO) and unburned hydrocarbons (HC) into harmless emissions. Our products include custom engineering systems and integrated controls, oxidation catalysts, particulate filters, selective catalytic reduction systems and engineered components, including dosers. Our emission solutions business primarily serves markets in North America, Europe, China, India, Brazil, Russia and Australia. We serve both OEM first fit and retrofit customers.
Turbo technologies - We design, manufacture and market turbochargers for light-duty, mid-range, heavy-duty and high-horsepower diesel markets with worldwide sales and distribution. We provide critical air handling technologies for engines to meet challenging performance requirements and worldwide emission standards. We primarily serve markets in North America, Europe, China and India.
Emission solutions - Our emission solutions business is a global leader in designing, manufacturing and integrating aftertreatment technology and solutions for the commercial on-and off-highway medium-duty, heavy-duty and high-horsepower engine markets. Our emission solutions business develops and produces various emission solutions, including custom engineering systems and integrated controls, oxidation catalysts, particulate filters, oxides of nitrogen (NOx) reduction systems such as selective catalytic reduction and NOx adsorbers and engineered components including dosers and sensors. Our emission solutions business primarily serves markets in North America, Europe, China, Brazil, Russia and Australia and serves both OEM and engine first fit and retrofit customers.
Turbo technologies - Our turbo technologies business designs, manufactures and markets turbochargers for light-duty, mid-range, heavy-duty and high-horsepower diesel markets with manufacturing facilities in five countries and sales and distribution worldwide. Our turbo technologies business provides critical air handling technologies for engines, including variable geometry turbochargers, to meet challenging performance requirements and worldwide emission standards. Our turbo technologies business primarily serves markets in North America, Europe, Asia and Brazil.

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Filtration - Our filtration business designs and manufactures filtration, coolant and chemical products. Our filtration business offers over 8,300 products including air filters, fuel filters, fuel water separators, lube filters, hydraulic filters, coolant, diesel exhaust fluid, fuel additives and other filtration systems to OEMs, dealers/distributors and end users. Our filtration business supports a wide customer base in a diverse range of markets including on-highway, off-highway, oil and gas, agriculture, construction, power generation, marine, industrial and light-duty trucks. We produce and sell globally recognized Fleetguard® branded products in over 160 countries including countries in North America, Europe, South America, Asia, Australia and Africa. Fleetguard products are available through thousands of distribution points worldwide.
Fuel systems - Our fuel systems business designs and manufactures new and replacement fuel systems primarily for heavy-duty on-highway diesel engine applications and also remanufactures fuel systems.
Filtration - We design, manufacture and sell filters, coolant and chemical products. Our filtration business offers over 8,300 products for first fit and aftermarket applications including air filters, fuel filters, fuel water separators, lube filters, hydraulic filters, coolants, fuel additives and other filtration systems to OEMs, dealers/distributors and end users. We support a wide customer base in a diverse range of markets including on- and off-highway segments such as oil and gas, agriculture, mining, construction, power generation, marine and industrial markets. We produce and sell globally recognized Fleetguard® branded products in over 160 countries including countries in North America, Europe, South America, Asia and Africa. Fleetguard products are available through thousands of distribution points worldwide.
Electronics and fuel systems - We design and manufacture new, replacement and remanufactured fuel systems primarily for heavy-duty on-highway diesel engine applications, as well as develop and supply electronic control modules (ECMs), sensors and harnesses for the on-highway, off-highway and power generation applications.We primarily serve markets in North America, China, India and Europe.
Automated transmissions -We develop and supply automated transmissions to the heavy-duty and medium-duty commercial vehicle markets. Formed in 2017, the Eaton Cummins Automated Transmission Technologies joint venture is a consolidated 50/50 joint venture between Cummins Inc. and Eaton Corporation Plc. and primarily serves the North American market.
Customers of our Components segment generally include our Engine, Distribution and DistributionPower Systems segments, truck manufacturers and other OEMs, many of which are also customers of our Engine segment, such as PACCAR, Daimler, Navistar, Volvo, Komatsu, Scania, Fiat Komatsu, FordChrysler and other manufacturers that use our components in their product platforms.
Our Components segment competes with other manufacturers of aftertreatment systems, filtration, turbochargers and fuel systems. Our primary competitors in these markets include Robert Bosch GmbH, Donaldson Company, Inc., Clarcor Inc.,Parker Hannifin Corporation, Mann+Hummel Group, Honeywell International, Borg-Warner Inc., Tenneco Inc., Eberspacher Holding GmbH & Co. KG and Denso Corporation.
On July 18, 2012, we acquired the doser technology business assets from Hilite Germany GmbH (Hilite) in a $176 million cash transaction. The acquisition was accounted for as a business combination with the majority of the purchase price being allocated to goodwill and technology and customer related intangible assets. The results of the acquired entity were included in the Components operating segment after the acquisition date.
Power GenerationSystems Segment
Power GenerationSystems segment sales and EBIT as a percentage of consolidated results were:
 Years ended December 31, Years ended December 31,
 2014 2013 2012 2017 2016 2015
Percent of consolidated net sales(1)
 12% 14% 15% 16% 16% 17%
Percent of consolidated EBIT(1)
 6% 10% 12% 12% 13% 16%

(1) Measured before intersegment eliminations
In the first quarter of 2017, our Power Systems segment reorganized its product lines to better reflect how the segment is managed. Our Power Generation segment designs and manufactures most of the components that make up power generation systems, including controls, alternators, transfer switches and switchgear. This segment is a global provider of power generation systems, components and services for a diversified customer base, including the following:
Standby power solutions for customers who rely on uninterrupted sources of power to meet the needs of their customers;
Distributed generation power solutions for customers with less reliable electrical power infrastructures, typically in developing countries. In addition, our power solutions provide an alternative source of generating capacity located close to its point of use, which is purchased by utilities, independent power producers and large power customers for use as prime or peaking power; and
Mobile power solutions, which provide a secondary source of power (other than drivetrain power) for mobile applications.
Our Power GenerationSystems segment is organized around the following businesses:product lines:
Power products - Our power products business manufactures generators for commercial and consumer applications ranging from two kilowatts (kW) to one megawatt (MW) under the Cummins Power Generation and Cummins Onan brands.
Power systems - Our power systems business manufactures and sells diesel fuel-based generator sets over one MW, paralleling systems and transfer switches for critical protection and distributed generation applications. We also offer integrated systems that consist of generator sets, power transfer and paralleling switchgear for applications such as data centers, health care facilities and waste water treatment plants.

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Alternators - Our alternator business designs, manufactures, sells and services A/C generator/alternator products internally as well as to other generator set assemblers. Our products are sold under the Stamford, AVK and Markon brands and range in output from 0.6 kilovolt-amperes (kVA) to 30,000 kVA.
Power Solutions - Our power solutions business provides natural gas fuel-based turnkey solutions for distributed generation and energy management applications in the range of 300-2000 kW products. The business also serves a global rental account for diesel and gas generator sets.
Power generation - We design, manufacture, sell and support back-up and prime power generators ranging from 2 kilowatts to 3.5 megawatts, as well as controls, paralleling systems and transfer switches, for applications such as consumer, commercial, industrial, data centers, health care, telecommunications and waste water treatment plants. We also provide turnkey solutions for distributed generation and energy management applications using natural gas or biogas as a fuel. We also serve global rental accounts for diesel and gas generator sets.
Industrial - We design, manufacture, sell and support diesel and natural gas high-horsepower engines up to 5,500 horsepower for a wide variety of equipment in the mining, rail, defense, oil and gas, and commercial marine applications throughout the world. Across these markets, we have major customers in North America, Europe, the Middle East, Africa, China, Korea, Japan, Latin America, India, Russia, Southeast Asia, South Pacific and Mexico.
Generator technologies - We design, manufacture, sell and support A/C generator/alternator products for internal consumption and for external generator set assemblers. Our products are sold under the Stamford, AVK and Markon brands and range in output from 3 kilovolt-amperes (kVA) to 12,000 kVA.
This segment continuously explores emerging technologies and provides integrated power generation products using technologies other than reciprocating engines.products. We use our own research and development capabilities as well as those of our business partnerships to develop cost-effective and environmentally sound power solutions.

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Our customer base for our power generation productsPower Systems offerings is highly diversified, with customer groups varying based on their power needs. India, China, the United Kingdom (U.K.), Western Europe, Latin America and the Middle East are our largest geographic markets outside of North America.
In the markets served by our Power Generation competesSystems segment, we compete with independent engine manufacturers as well as OEMs who manufacture engines for their own products. We compete with a variety of engine manufacturers and generator set assemblers across the world. Our primary competitors are CAT, TognumMTU Friedrichshafen GmbH (MTU) and Kohler/SDMO (Kohler Group), but we also compete with GE Jenbacher, FG Wilson (CAT group), Tognum (MTU group), Generac, Mitsubishi (MHI) and numerous regional generator set assemblers. Our alternatorsalternator business competes globally with Emerson Electric Co., Marathon Electric and Meccalte, among others.
JOINT VENTURES, ALLIANCES AND NON-WHOLLY-OWNED SUBSIDIARIES
We have entered into a number of joint venture agreements and alliances with business partners around the world. Our joint ventures are either distribution or manufacturing entities. We also own controlling interests in non-wholly-owned manufacturing and distribution subsidiaries. Seven entities, in which we own more than a 50 percent equity interest or have a controlling interest, are consolidated in our Distribution segment results as well as several manufacturing joint ventures in the other operating segments.
In the event of a change of control of either party to certain of these joint ventures and other strategic alliances, certain consequences may result including automatic termination and liquidation of the venture, exercise of "put" or "call" rights of ownership by the non-acquired partner, termination or transfer of technology license rights to the non-acquired partner and increases in component transfer prices to the acquired partner. We will continue to evaluate joint venture and partnership opportunities in order to penetrate new markets, develop new products and generate manufacturing and operational efficiencies.
Financial information about our investments in joint ventures and alliances is incorporated by reference from Note 3, "INVESTMENTS IN EQUITY INVESTEES," to the Consolidated Financial Statements.
Our equity income from these investees was as follows:
Years ended December 31,Years ended December 31,
In millions2014 2013 20122017 2016 2015
Distribution Entities           
Distribution entities           
Komatsu Cummins Chile, Ltda.$30
 10% $34
 13% $31
 11%
North American distributors$107
 32 % $129
 40 % $147
 42 %
 % 21
 8% 33
 12%
Komatsu Cummins Chile, Ltda.29
 9 % 25
 8 % 26
 8 %
All other distributors4
 1 % 1
  % 4
 1 %(1) % 
 % 3
 1%
Manufacturing Entities           
Manufacturing entities           
Beijing Foton Cummins Engine Co., Ltd.94
 30% 52
 20% 62
 23%
Dongfeng Cummins Engine Company, Ltd.67
 20 % 63
 19 % 52
 15 %73
 24% 46
 18% 51
 19%
Chongqing Cummins Engine Company, Ltd.51
 16 % 58
 18 % 61
 18 %41
 13% 38
 15% 41
 15%
Beijing Foton Cummins Engine Co., Ltd. (Light-duty)28
 8 % 17
 5 % 5
 1 %
Beijing Foton Cummins Engine Co., Ltd. (Heavy-duty)(30) (9)% (21) (6)% (13) (4)%
Dongfeng Cummins Emission Solutions Co., Ltd.13
 4% 9
 3% 6
 2%
Shanghai Fleetguard Filter Co., Ltd.12
 4% 10
 4% 10
 4%
Cummins Westport, Inc.9
(1) 
3% 11
 4% 18
 7%
All other manufacturers74
 23 % 53
 16 % 65
 19 %37
(1) 
12% 39
 15% 18
 6%
Cummins share of net income(1)
$330
 100 % $325
 100 % $347
 100 %
Cummins share of net income(2)
$308
 100% $260
 100% $273
 100%

(1)U.S. tax legislation passed in December 2017 decreased our equity earnings at certain equity investees, including a $7 million unfavorable impact to Cummins Westport, Inc. due to the remeasurement of deferred taxes and a $32 million unfavorable impact to "All other manufacturers" due to withholding tax adjustments on foreign earnings. See Note 2, "INCOME TAXES," to our Consolidated Financial Statements for additional information.
(2) This total represents our share of net income of our equity investees and is exclusive of royalties and interest income from our equity investees. To see how this amount reconciles to "Equity, royalty and interest income from investees" in the Consolidated Statements of Income, see Note 3, "INVESTMENTS IN EQUITY INVESTEES," to our Consolidated Financial Statements.Statements for additional information.

Distribution Entities
Komatsu Cummins Chile, Ltda. - Komatsu Cummins Chile, Ltda. is a joint venture with Komatsu America Corporation. The joint venture is a distributor that offers the full range of our products and services to customers and end-users in Chile and Peru.

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Distribution Entities
North American Distributors - As of December 31, 2014, our distribution channel in North America included three unconsolidated partially-owned distributors. Our equity interests in these nonconsolidated entities ranged from 49 percent to 50 percent. We also had more than a 50 percent ownership interest in two partially owned distributors which we consolidate. While each distributor is a separate legal entity, the business of each is substantially the same as that of our wholly-owned distributors based in other parts of the world. All of our distributors, irrespective of their legal structure or ownership, offer the full range of our products and services to customers and end-users in their respective markets.
Komatsu Cummins Chile, Ltda. - Komatsu Cummins Chile, Ltda. is a joint venture with Komatsu America Corporation. The joint venture is a distributor that offers the full range of our products and services to customers and end-users in the Chilean and Peruvian markets.
Our distribution agreements with independent and partially-owned distributors generally have a renewable three-year term and are restricted to specified territories. Our distributors develop and maintain a network of dealers with which we have no direct relationship. Our distributors are permitted to sell other, noncompetitive products only with our consent. We license all of our distributors to use our name and logo in connection with the sale and service of our products, with no right to assign or sublicense the trademarks, except to authorized dealers, without our consent. Products are sold to the distributors at standard domestic or international distributor net prices, as applicable. Net prices are wholesale prices we establish to permit our distributors an adequate margin on their sales. Subject to local laws, we can generally refuse to renew these agreements upon expiration or terminate them upon written notice for inadequate sales, change in principal ownership and certain other reasons. Distributors also have the right to terminate the agreements upon 60-day notice without cause, or 30-day notice for cause. Upon termination or failure to renew, we are required to purchase the distributor’s current inventory, signage and special tools and may, at our option purchase other assets of the distributor, but are under no obligation to do so.
North American Distributors - During 2016, we acquired the remaining interest in the final unconsolidated North American distributor joint venture.
See further discussion of our distribution network under the Distribution segment section above.
Manufacturing Entities
Our manufacturing joint ventures have generally been formed with customers and generally are intended to allow us to increase our market penetration in geographic regions, reduce capital spending, streamline our supply chain management and develop technologies. Our largest manufacturing joint ventures are based in China and are included in the list below. Our engine manufacturing joint ventures are supplied by our Components segment in the same manner as it supplies our wholly-owned Engine segment and Power GenerationSystems segment manufacturing facilities. Our Components segment joint ventures and wholly owned entities provide fuel systems, filtration, aftertreatment systems, and turbocharger products and transmissions that are used inwith our engines as well as some competitors' products. The results and investments in our joint ventures in which we have 50 percent or less ownership interest are included in “Equity, royalty and interest income from investees” and “Investments and advances related to equity method investees” in our Consolidated Statements of Income and Consolidated Balance Sheets, respectively.
Chongqing Cummins Engine Company, Ltd. - Chongqing Cummins Engine Company, Ltd. (CCEC) is a joint venture in China with Chongqing Machinery and Electric Co. Ltd. This joint venture manufactures several models of our heavy-duty and high-horsepower diesel engines, primarily serving the industrial and stationary power markets in China.
Dongfeng Cummins Engine Company, Ltd. - Dongfeng Cummins Engine Company, Ltd. (DCEC) is a joint venture in China with Dongfeng Automotive Co. Ltd., a subsidiary of Dongfeng Motor Corporation (Dongfeng), one of the largest medium-duty and heavy-duty truck manufacturers in China. DCEC produces Cummins 4- to 13-liter mechanical engines, full-electric diesel engines, with a power range from 125 to 545 horsepower, and natural gas engines.
Beijing Foton Cummins Engine Co., Ltd. - Beijing Foton Cummins Engine Co., Ltd. is a joint venture in China with Beiqi Foton Motor Co., Ltd., a commercial vehicle manufacturer, which consists of two distinct lines of business, a light-duty business and a heavy-duty business. The light-duty business produces ISF2.8 literand ISF3.8 liter families of our high performance light-duty diesel engines in Beijing. These engines are used in light-duty commercial trucks, pickup trucks, buses, multipurpose and sport utility vehicles with main markets in China, Brazil and Russia. Certain types of marine, small construction equipment and industrial applications are also served by these engine families. The heavy-duty business has been in the development stage for the past several years but started production of ISG 10.5 literand ISG11.8 liter families of our high performance heavy-duty diesel engines in the second quarter of 2014 in Beijing. These engines are used in heavy-duty commercial trucks in China and will be used in world wide markets. Certain types of construction equipment and industrial applications will also be served by these engine families in the future.

10


Beijing Foton Cummins Engine Co., Ltd. - Beijing Foton Cummins Engine Co., Ltd. is a joint venture in China with Beiqi Foton Motor Co., Ltd., a commercial vehicle manufacturer, which consists of two distinct lines of business, a light-duty business and a heavy-duty business. The light-duty business produces our families of ISF 2.8 liter to 4.5 liter high performance light-duty diesel engines in Beijing. These engines are used in light-duty commercial trucks, pickup trucks, buses, multipurpose and sport utility vehicles with main markets in China, Brazil and Russia. Certain types of marine, small construction equipment and industrial applications are also served by these engine families. The heavy-duty business produces ISG 10.5 liter and ISG 11.8 liter families of our high performance heavy-duty diesel engines in Beijing. These engines are used in heavy-duty commercial trucks in China and will be used by Cummins either directly sourced from China and/or locally assembled in other markets. Certain types of construction equipment and industrial applications are also served by these engine families.
Dongfeng Cummins Engine Company, Ltd. - Dongfeng Cummins Engine Company, Ltd. (DCEC) is a joint venture in China with Dongfeng Automotive Co. Ltd., a subsidiary of Dongfeng Motor Corporation, one of the largest medium-duty and heavy-duty truck manufacturers in China. DCEC produces Cummins 3.9 to 13-liter mechanical engines, full-electric diesel engines, with a power range from 80 to 680 horsepower, and natural gas engines.
Chongqing Cummins Engine Company, Ltd. - Chongqing Cummins Engine Company, Ltd. is a joint venture in China with Chongqing Machinery and Electric Co. Ltd. This joint venture manufactures several models of our heavy-duty and high-horsepower diesel engines, primarily serving the industrial and stationary power markets in China.
Dongfeng Cummins Emission Solutions Co., Ltd. -Dongfeng Cummins Emission Solutions Co. Ltd. is a joint venture in China with Dongfeng Industrial Company, a subsidiary of Dongfeng Motor Group Company Limited, a manufacturer of numerous on-highway vehicles. This joint venture produces, purchases and sells advanced diesel engine aftertreatment solutions to support the full line of Dongfeng's commercial vehicles.
Shanghai Fleetguard Filter Co., Ltd. -Shanghai Fleetguard Filter Co. Ltd. is a joint venture in China with Dongfeng Motor Co., Ltd., a manufacturer of numerous on-highway vehicles. This joint venture produces and sells filters and filter parts to support the full line of Dongfeng's commercial vehicles.
Cummins Westport, Inc. -Cummins Westport Inc. is a joint venture in Canada with Westport Innovations Inc. to market and sell automotive spark-ignited natural gas engines worldwide and to participate in joint technology projects on low-emission technologies.
Non-Wholly-Owned Subsidiary
We have a controlling interest in Cummins India Ltd. (CIL), which is a publicly listed company on various stock exchanges in India. CIL produces mid-range, heavy-duty and high-horsepower diesel engines, generators for the Indian and export markets and natural gas spark-ignited engines for power generation, automotive and industrial applications. CIL also has distribution and power generation operations.
In the third quarter of 2017, we formed the Eaton Cummins Automated Transmission Technologies joint venture, which was consolidated and included in our Components segment as the automated transmissions business. See Note 18, "ACQUISITIONS", to the Consolidated Financial Statements for additional information.

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SUPPLY
The performance of the end-to-end supply chain, extending through to our suppliers, is foundational to our ability to meet customers' expectations and support long-term growth. We are committed to having a robust strategy for how we select and manage our suppliers to enable a market focused supply chain. This requires us to continuously evaluate and upgrade our supply base, as necessary, to ensure we are meeting the needs of our customers.
We haveuse a strategic sourcing policycategory strategy process (a process designed to create the most value for the company) that reviews our long-term needs and guides decisions on what we make internally and what we purchase externally. For the items we decide to purchase externally, and whenthe strategies also identify the suppliers we establish supplier partnershipsshould partner with long-term to provide the best technology, the lowest total cost and highest supply chain performance. We design and/or manufacture our strategic components used in or with our engines and power generation units, including cylinder blocks and heads, turbochargers, connecting rods, camshafts, crankshafts, filters, alternators, electronic and emissions controls, and fuel systems. We source externally purchased material and manufactured components from leading global suppliers. Many key suppliers are managed through long-term supply agreements that assure capacity, delivery, quality and cost requirements are met over an extended period. Approximately 5520 percent of the direct material in our product designs are single sourced to external suppliers. Although we have elected to source a relatively high proportion of our total raw materials and components from single suppliers, weWe have an established sourcing strategy and supplier management process to evaluate and mitigate risk. These processes are leading us to determine our need for dual sourcing and increase our use of dual and parallel sources to minimize risk and increase supply chain responsiveness. Our current target for dual and parallel sourcing is approximately 6490 percent of our direct material spend. As of December 31, 2014,2017, our analysis indicates that we have 45approximately 80 percent of direct material spend with dual or parallel sources or 7289 percent of theour target.
Other important elements of our sourcing strategy include:
working with suppliers to measure and improve their environmental footprint;
selecting and managing suppliers to comply with our supplier code of conduct; and
assuring our suppliers comply with Cummins' prohibited and restricted materials policy.
PATENTS AND TRADEMARKS
We own or control a significant number of patents and trademarks relating to the products we manufacture. These patents and trademarks were granted and registered over a period of years. Although these patents and trademarks are generally considered beneficial to our operations, we do not believe any patent, group of patents or trademark (other than our leading brand house trademarks) is significant to our business.
SEASONALITY
While individual product lines may experience modest seasonal variation in production, there is no material effect on the demand for the majority of our products on a quarterly basis with the exceptionexceptions that our Power GenerationSystems segment normally experiences seasonal declines in the first quarter due to general declines in construction spending during this period and our Distribution segment normally experiences seasonal declines in its first quarter business activity due to holiday periods in Asia and Australia.

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LARGEST CUSTOMERS
We have thousands of customers around the world and have developed long-standing business relationships with many of them. PACCAR is our largest customer, accounting for approximately 14 percent of our consolidated net sales in 2014, compared to approximately 12 percent in 2013 and2017, 13 percent in 2012.2016 and 15 percent in 2015. We have long-term supply agreements with PACCAR for our heavy-duty ISX 15 liter and ISX 11.9 liter engines and our mid-range ISL 9 liter mid-range engine. While a significant number of our sales to PACCAR are under long-term supply agreements, these agreements provide for particular engine requirements for specific vehicle models and not a specific volume of engines. PACCAR is our only customer accounting for more than 10 percent of our net sales in 2014.2017. The loss of this customer or a significant decline in the production level of PACCAR vehicles that use our engines would have an adverse effect on our results of operations and financial condition. We have been an engine supplier to PACCAR for over 7073 years. A summary of principal customers for each operating segment is included in our segment discussion.
In addition to our agreement with PACCAR, we have long-term heavy-duty engine supply agreements with Daimler and Navistar Volvo Trucks North America and Daimler Trucks North America anda long-term mid-range supply agreementsagreement with Daimler Trucks North America, Navistar, Ford and MAN.Daimler. We also have an agreement with Fiat Chrysler to supply engines for its Ram trucks. In our off-highway markets, we have various engine and component supply agreements across our mid-range and high-horsepower businesses with Komatsu Ltd., as well as various joint ventures and other license agreements in our Engine, Component and Distribution segments. Collectively, our net sales to these eightfour customers, including PACCAR, were approximately 3733 percent of our consolidated net sales in 2014, compared to approximately2017, 33 percent in 2016 and 36 percent in 2013 and 35 percent in 2012.2015. Excluding PACCAR, net sales to any single

11



customer were less than 87 percent of our consolidated net sales in 2014, compared to2017, less than 7 percent in 20132016 and less than 89 percent in 2012.2015. These agreements contain standard purchase and sale agreement terms covering engine and engine parts pricing, quality and delivery commitments, as well as engineering product support obligations. The basic nature of our agreements with OEM customers is that they are long-term price and operations agreements that help assure the availability of our products to each customer through the duration of the respective agreements. Agreements with most OEMs contain bilateral termination provisions giving either party the right to terminate in the event of a material breach, change of control or insolvency or bankruptcy of the other party.
BACKLOG
We have supply agreements with some truck and off-highway equipment OEMs, however most of our business is transacted through open purchase orders. These open orders are historically subject to month-to-month releases and are subject to cancellation on reasonable notice without cancellation charges and therefore are not considered firm. As ofAt December 31, 2014,2017, we did not have any significant backlogs.
RESEARCH AND DEVELOPMENT
In 2014, we increased our research, development and engineering expenses as2017, we continued to invest in future critical technologies and products. We will continue to make investments to improve our current technologies, continue to meet the future emission requirements around the world and improve fuel economy.
Our research and development program is focused on product improvements, product extensions, innovations and cost reductions for our customers. Research and development expenditures include salaries, contractor fees, building costs, utilities, testing, technical IT, administrative expenses and allocation of corporate costs and are expensed, net of contract reimbursements, when incurred. From time to time, we enter into agreements with customers and government agencies to fund a portion of the research and development costs of a particular project. We generally account for these reimbursements as an offset to the related research and development expenditure. Research and development expenses, net of contract reimbursements, were $737$734 million in 2014, $7002017, $616 million in 20132016 and $721$718 million in 2012.2015. Contract reimbursements were $121$137 million in 2014, $762017, $131 million in 20132016 and $86$98 million in 2012.2015.
For 20132017, 2016 and 2012,2015, approximately $15$10 million, $77 million and $101$90 million, or 21 percent, 13 percent and 14 percent, respectively, of our research and development expenditures were directly related to compliance with 2013 EPA emission standards. For 2014 and 2013, approximately $60 million and $32 million, or 8 percent and 513 percent, respectively, of our research and development expenditures were directly related to compliance with 2017 EPAU.S. Environmental Protection Agency (EPA) emission standards.
ENVIRONMENTAL SUSTAINABILITY
CumminsWe adopted its first-everour comprehensive environmental sustainability plan in 2014 that builds on the many years of good work already done to positively impact the environment through the products we make, the use of our facilities, management of our supply chain and improvement of the communities where we live and work. We examinedafter examining our entire environmental footprint, focusing on the key areas of water, waste, energy and greenhouse gases. We then identifiedgases (GHG). As the top four

12


environmental sustainability has matured and broadened, leaders have moved from initially working on environmental impacts within our direct control in our operations to an expanded view of fuel and raw materials that reaches across the entire product life-cycle from design to manufacture to end of life. Our environmental sustainability plan is the way we carry out our priorities, goals and initiatives in our action areas, including reducing our carbon footprint, using fewer natural resources and partnering to solve complex problems.
Our Sustainability Report for 2016/2017 including goal progress and prior reports as well as a Data Book of products in-use, materialsmore detailed environmental data in accordance with the Global Reporting Initiative's Standard core compliance designation are available on our website at www.cummins.com, although such reports and data book are not incorporated into this Form 10-K. We currently have the following environmental sustainability goals and commitments:
a new product vision statement — "powering the future through product innovation that makes people's lives better and reduces our environmental footprint;"
partnering with customers to improve the fuel efficiency transportationof our products in use, targeting an annual run-rate reduction of 3.5 million metric tons of carbon dioxide and saving 350 million gallons of fuel by 2020;
achieving a 32 percent energy intensity reduction from company facilities by 2020 (using a baseline year of 2010) and operations. We set initial goals in our facilities, whereincreasing the portion of electricity we have the most data, influence and experience. Those goals are to reduce energy use and greenhouse gas emissions by 25% and 27%, respectively, by 2015 against a 2005 baseline and adjusted for sales; reducederived from renewable sources;
reducing direct water use by 33%50 percent adjusted for hours worked and achieveachieving water neutrality at 15 sites by 2020; and increase
increasing our recycling rate from 88%88 percent to 95%95 percent and achieveachieving zero disposal at 30 sites by 2020; and

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utilizing the most efficient methods and modes to move goods across our network to reduce carbon dioxide per kilogram of goods moved by 10 percent by 2020.
We continue to invest significantly in our products to further reduce emissions and increase efficiency. We endeavor to work collaboratively with customers to improve their fuel efficiency, reduce their carbon footprints and conserve other resources. Our next efforts will be specifically focused on products, both in design and in use, as well as on how we use the best mode and method of transportation to reduce emissions in moving goods throughout the Cummins network.

Over the past four years, we believe that we have reduced company-wide water usage intensity by approximately 30 percent, U.S.-wide process-derived hazardous waste generation by approximately 41 percent and company-wide disposal waste by approximately 28 percent, all normalized to total work hours. As part of the U.S. Department of Energy's Better Buildings, Better Plants program, we have pledged to achieve a 25 percent energy intensity (energy use adjusted for sales) reduction by 2015; at the end of 2013, we had achieved a 33 percent reduction. We also have articulatedarticulate our positions on key public policy issues and on a wide range of environmental issues. We are actively engaged with regulatory, industry and other stakeholder groups around the world as greenhouse gasGHG and fuel efficiency standards become more prevalent globally. ForWe were named in the ninth consecutive year, we wereTop 25 in Newsweek's 2017 Green Ranking of U.S. companies, while also being named "Best in Industry" in the "Machinery" category for U.S. Companies, as well as named to the Dow Jones North American Sustainability Index for the twelfth consecutive year in 2017 and as well as a “Natural Capital Decoupling Leader”rated AAA by Green Biz Group and Trucost for reductionsMSCI ESG Research, included in environmental footprint amid company growth. Our Sustainability Report for 2013/2014 and prior reports as well as an addendumthe “Disclosure Leadership Index” of more detailed environmental data is available on our website at www.cummins.com, although suchthe Carbon Disclosure Project’s climate report and addendum are not incorporated into this Form 10-K.in 2015.

ENVIRONMENTAL COMPLIANCE
Product EnvironmentalCertification and Compliance
We strive to have robust certification and compliance processes, adhering to all emissions regulations worldwide, including prohibiting the use of defeat devices in all of our products. We are transparent with all governing bodies in these processes, from disclosure of the design and operation of the emission control system, to test processes and results, and later to any necessary reporting and corrective action processes if required.
We work collaboratively and proactively with emission regulators globally to ensure emission standards are clear, appropriately stringent and enforceable, in an effort to ensure our products deliver on our commitments to our customers and the environment in real world use every day.
Our engines are subject to extensive statutory and regulatory requirements that directly or indirectly impose standards governing emission and noise. WeOver the past several years we have substantially increased our global environmental compliance presence and expertise to better prepare for, understand and ultimately meet emerging product environmental regulations around the world. Our products comply with current emission standards that the European Union (EU), EPA, the California Air Resources Board (CARB) and other state and international regulatory agencies have established for heavy-duty on-highway diesel and gas engines and off-highway engines. Our ability to comply with these and future emission standards is an essential element in maintaining our leadership position in regulated markets. We have made, and will continue to make, significant capital and research expenditures to comply with these standards. Our failure to comply with these standards could result in adverse effects on our future financial results.
EU and EPA Engine Certifications
The current on-highway NOx and PM emission standards came into effect in the European Union (EU) on January 1, 2013, (Euro VI) and on January 1, 2010, for the EPA. To meet the more stringent heavy-duty on-highway emission standards, we used an evolution of our proven selective catalytic reduction (SCR) and exhaust gas recirculation (EGR) technology solutions and refined them for the EU and EPA certified engines to maintain power and torque with substantial fuel economy improvement and maintenance intervals comparable with our previous compliant engines. We offer a complete lineup of on-highway engines to meet the near-zero emission standards. Mid-range and heavy-duty engines for EU and EPA require NOx aftertreatment. NOx reduction is achieved by an integrated technology solution comprised of the XPI High Pressure Common Rail fuel system, SCR technology, next-generation cooled EGR, advanced electronic controls, proven air handling and the Cummins Diesel Particulate Filter (DPF). The EU, EPA and CARBCalifornia Air Resources Board (CARB) have certified that our engines meet the current emission requirements. Emission standards in international markets, including Japan, Mexico, Australia, Brazil, Russia, India and China are becoming more stringent. We believe that our experience in meeting the EU and EPA emission standards leaves us well positioned to take advantage of opportunities in these markets as the need for emission control capability grows.
We received certification from the EPA thatIn 2013, we met bothcertified to EPA's first ever GHG regulations for on-highway medium- and heavy-duty engines. Additionally, the EPA 2013 and 2014 greenhouse gas (GHG) regulations and rules. The EPA 2013 regulations addadded the requirement of On-Board Diagnostics,on-board diagnostics, which were introduced on the ISX15 in 2010, across the full on-highway product line in 2013 in addition towhile maintaining the same near-zero emission levels of NOx and Particulate Matter (PM)particulate matter required in 2010. On-Board DiagnosticsOn-board diagnostics provide enhanced service capability with standardized diagnostic trouble codes, service tool interface, in-cab warning lamp and service information availability. The new GHG and fuel-efficiency regulations were required for all heavy-duty diesel and natural gas engines beginning in January 2014. Our GHG certification was the first engine certificate issued by the EPA and uses the same proven base engine with the XPI fuel system, Variable Geometry Turbochargervariable geometry turbocharger (VGTTM), and Cummins Aftertreatment Systemaftertreatment system with DPF and SCR technology. Application of these engines and aftertreatment technologies continues in our products that comply with the 2017 GHG regulations.

The current off-highway emission standards for EPA and EU came into effect between the 2013 - 2015 time frame for all power categories. These engines were designed for Tier 4 / Stage 4 standards and were based on our extensive on-highway experience developing SCR, high pressure fuel systems, DPF and VGTTM. Our products offer low fuel consumption, high torque rise and power output, extended maintenance intervals, reliable and durable operation and a long life to overhaul period, all while

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meeting the most stringent emission standards in the industrial market. Our off-highway products power multiple applications including construction, mining, marine, agriculture, rail, defense and oil and gas and serves a global customer base.
Other Environmental Statutes and Regulations
Expenditures for environmental control activities and environmental remediation projects at our facilities in the U.S. have not been a substantial portion of our annual capital outlaysexpenses and are not expected to be material in 2015.2018. We believe we are in compliance in all material respects with laws and regulations applicable to our plants and operations.
In the U.S., pursuant to notices received from federal and state agencies and/or defendant parties in site environmental contribution actions, we have been identified as a potentially responsible party under the Comprehensive Environmental Response, Compensation and Liability Act of 1980, as amended or similar state laws, at lessfewer than 20 waste disposal sites.
Based upon our experiences at similar sites we believe that our aggregate future remediation costs will not be significant.material. We have established accruals that we believe are adequate for our expected future liability with respect to these sites.
In addition, we have several other sites where we are working with governmental authorities on remediation projects. The costs for these remediation projects are not expected to be material.
EMPLOYEES
As ofAt December 31, 2014,2017, we employed approximately 54,60058,600 persons worldwide. Approximately 17,68020,830 of our employees worldwide are represented by various unions under collective bargaining agreements that expire between 20152018 and 2019.2022.
AVAILABLE INFORMATION
We file annual, quarterly and current reports, proxy statements and other information electronically with the Securities and Exchange Commission (SEC). You may read and copy any document we file with the SEC at the SEC's public reference room at 100 F Street, N.E., Washington, DC 20549. Please call the SEC at 1-800-SEC-0330 for information on the public reference room. The SEC maintains an internet site that contains annual, quarterly and current reports, proxy and information statements and other information that issuers (including Cummins) file electronically with the SEC. The SEC's internet site is www.sec.gov.
Our internet site is www.cummins.com. You can access our Investors and Media webpage through our internet site, by clicking on the heading "Investors and Media""About" followed by the "Investor Relations"Overview" link. We make available, free of charge, on or through our Investors and Media webpage, our proxy statements, annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and any amendments to those reports filed or furnished pursuant to the Securities Exchange Act of 1934 or the Securities Act of 1933, as amended, as soon as reasonably practicable after such material is electronically filed with, or furnished to, the SEC.
We also have a Corporate Governance webpage. You can access our Governance Documents webpage through our internet site, www.cummins.com, by clicking on the heading "Investors and Media,""About" followed by the "Investor Relations" link"Corporate Governance" and then the topic heading of "Governance Documents" within the "Corporate Governance" heading.link. Code of Conduct, Committee Charters and other governance documents are included at this site. Our Code of Conduct applies to all employees, regardless of their position or the country in which they work. It also applies to the employees of any entity owned or controlled by us. We will post any amendments to the Code of Conduct and any waivers that are required to be disclosed by the rules of either the SEC or the New York Stock Exchange LLC (NYSE), on our internet site. The information on our internet site is not incorporated by reference into this report.


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EXECUTIVE OFFICERS OF THE REGISTRANT
Following are the names and ages of our executive officers, their positions with us as ofat January 31, 2015,2018 and summaries of their backgrounds and business experience:
Name and Age 
Present Cummins Inc. position and
year appointed to position
 
Principal position during the past
five years other than Cummins Inc.
position currently held
N. Thomas Linebarger (52)(55) Chairman of the Board of Directors and Chief Executive Officer (2012) President and Chief Operating Officer (2008-2011)
Richard J. Freeland (57)(60) Director, President and Chief Operating Officer (2014) Vice President and President -President— Engine Business (2010-2014)
Vice President and President-Components Group (2008-2010)
Sherry A. Aaholm (52)(55) Vice President—Chief Information Officer (2014)(2013) 
Chief Information Officer (2013-2014)
Executive Vice President,
Information Technology, FedEx
Services (1998-2013)(2006-2013)
Peter W. Anderson (51)Vice President—Global Supply Chain and Manufacturing (2017)Principal/Partner, Ernst & Young LLP (2006-2017)
Sharon R. Barner (57)(60) Vice President—General Counsel (2012) Partner—Law firm of Foley & Lardner (2011-2012)
Deputy Under Secretary of Commerce—Intellectual Property and Deputy Director of the United States Patent and Trademark Office (2009-2011)
Pamela L. Carter (65)Vice President and President—Distribution Business (2007) 
Steven M. Chapman (60)(63) Group Vice President—China and Russia (2009)  
Christopher C. Clulow (46)Vice President - Corporate Controller (2017)Controller, Components Segment (2015-2017)
Executive Director—Heavy, Medium and Light Duty Finance (2011-2015)
Jill E. Cook (51)(54) Vice President—Chief Human Resources Officer (2003)  
Dave J. Crompton (49)Vice President and President—Engine Business (2014)Vice President and General Manager - Engine Business (2013-2014)
Vice President and General Manager - Midrange Engine Business (2005-2013)
Tracy A. Embree (41)(44) Vice President and President— Components Group (2015) Vice President and President— Turbo Technologies (2012-2014)
General Manager, Turbo Technologies—Asia (2011-2012)
Executive Director—On Highway Business (2010-2011)
Executive Director—Chrysler Business (2008-2010)
ThaddeausThaddeus B. Ewald (47)(50) Vice President - President—Corporate Strategy and Business Development (2010) Executive Director—Growth Office (2008-2010)
Richard E. Harris (62)Donald G. Jackson (48) Vice President—Chief Investment Officer (2008)Treasurer (2015) Executive Director—Assistant Treasurer (2013-2015)
Vice President—Americas Finance, Hewlett-Packard Co. (2010-2013)
Marsha L. Hunt (51)Norbert Nusterer (49)Vice President and President—Power Systems (2016) Vice President—Corporate Controller (2003)
Mark A. Levett (65)Vice President—Corporate ResponsibilityNew and Chief Executive Officer - Cummins Foundation (2013)General Manager and Vice President—High Horsepower (1999-2013)

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ReCon Parts (2011-2016)
Mark J. Osowick (47)(50) Vice President - President—Human Resources Operations (2014) Executive Director—Human Resources, Components Segment & India ABO (2010-2014)
Executive Director, Global Organization Development & Recruiting (2007-2010)
Srikanth Padmanabhan (53)Vice President and President—Engine Business (2016)
Vice President—Engine Business (2014-2016)
Vice President and General Manager—Cummins Emission Solutions (2008-2014)
Marya M. Rose (52)(55) Vice President—Chief Administrative Officer (2011) 
Jennifer Rumsey (44)Vice President—General CounselChief Technical Officer (2015)
Vice President—Engineering, Engine Business (2014-2015)
Vice President—Heavy, Medium and Corporate Secretary (2001-2011)Light Duty Engineering (2013-2014)
Executive Director—HD Engineering (2010-2013)

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Livingston L. Satterthwaite (54)(57)Vice President and President—Distribution Business (2015) Vice President and President—Power Generation (2008)(2008-2015)
Anant J. Talaulicar (53)Chairman and Managing Director-Cummins India Area Business Organization (2003)Vice President and President - Components Group (2010-2014)
John C. Wall (63)Mark A. Smith (50) Vice President—Chief Technical Officer (2000)Financial Operations (2016) 
Vice President—Investor Relations and Business Planning and Analysis (2014-2016)
Executive Director—Investor Relations (2011-2014)
Patrick J. Ward (51)(54) Vice President—Chief Financial Officer (2008)  
Lisa M. Yoder (51)Vice President—Global Supply Chain & Manufacturing (2011)Vice President—Corporate Supply Chain (2010-2011), Executive Director—Supply Chain & Operations-Power Generation (2007-2010)
Our Chairman and Chief Executive Officer is elected annually by our Board of Directors and holds office until the meeting of the Board of Directors at which his election is next considered. Other officers are appointed by the Chairman and Chief Executive Officer, are ratified by our Board of Directors and hold office for such period as the Chairman and Chief Executive Officer or the Board of Directors may prescribe.


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ITEM 1A.    Risk Factors
Set forth below and elsewhere in this Annual Report on Form 10-K are some of the principal risks and uncertainties that could cause our actual business results to differ materially from any forward-looking statements contained in this Report and could individually, or in combination, have a material adverse effect on our results of operations, financial position or cash flows. These risk factors should be considered in addition to our cautionary comments concerning forward-looking statements in this Report, including statements related to markets for our products and trends in our business that involve a number of risks and uncertainties. Our separate section above, "CAUTIONARY STATEMENTS REGARDING FORWARD-LOOKING INFORMATION," should be considered in addition to the following statements.
A sustained slowdown or significant downturn in our markets could materially and adversely affect our results of operations, financial condition or cash flows.
The U.S. economy began to improveMany of our on- and off-highway markets are cyclical in 2014, althoughnature and experience volatility in demand throughout these cycles. Although in 2017 we experienced demand growth in most of our North American and Chinese on-highway markets and certain off-highway markets as well as growth in many of our international markets, continuedif the North American or Chinese markets suffer a significant downturn or if a slower pace of economic growth and weaker demand in our other significant international markets were to struggle. If the global economy or some of our significant markets encounter a sustained slowdown;occur, depending upon the length, duration and severity of such athe slowdown, our results of operations, financial condition andor cash flowflows would almost certainlylikely be materially adversely affected. Specifically, our revenues would likely decrease, we may be forced to consider further restructuring actions, we may need to increase our allowance for doubtful accounts, our days sales outstanding may increase and we could experience impairments to assets of certain of our businesses.
A slowdown in infrastructure development could adversely affect our business.
Infrastructure development has been a significant driver of our business in recent years, especially in the emerging markets of China and Brazil. General weakness in economic growth or the perception that infrastructure has been overbuilt could lead to a decline in infrastructure spending. Any sustained downturns in infrastructure development that result from these or other circumstances could adversely affect our business.
Unpredictability in the adoption, implementation and enforcement of increasingly stringent emission standards by multiple jurisdictions around the world could adversely affect our business.
Our engines are subject to extensive statutory and regulatory requirements governing emission and noise, including standards imposed by the EPA, the European Union, state regulatory agencies (such as the CARB) and other regulatory agencies around the world. We have made, and will be required to continue to make, significant capital and research expenditures to comply with these emission standards. Developing engines to meet numerous changing government regulatory requirements, with different implementation timelines and emission requirements, makes developing engines efficiently for multiple markets complicated and could result in substantial additional costs that may be difficult to recover in certain markets. In some cases, we may be required to develop new products to comply with new regulations, particularly those relating to air emissions. While we have met previous deadlines, our ability to comply with other existing and future regulatory standards will be essential for us to maintain our position in the engine markets we serve. The successful development and introduction of new and enhanced products in order to comply with new regulatory requirements are subject to other risks, such as delays in product development, cost over-runs and unanticipated technical and manufacturing difficulties.

In addition to these risks, the nature and timing of government implementation and enforcement of increasingly stringent emission standards in emerging markets are unpredictable and subject to change, or delays which could result in the products we developed or modified to comply with these standards becoming unnecessary or becoming necessary later than expected and in some cases negating our competitive advantage. This in turn can delay, diminish or eliminate the expected return on capital and research expenditures that we have invested in such products and may adversely affect our perceived competitive advantage in being an early, advanced developer of compliant engines.
We derive significant income from investees that we do not directly control.
Our net income includes significant equity, royalty and interest income from investees that we do not directly control. For 2014, we recognized $370 million of equity, royalty and interest income from investees, compared to $361 million in 2013. The majority of our equity, royalty and interest income from investees is from our unconsolidated North American distributors and from two of our joint ventures in China, Dongfeng Cummins Engine Company, Ltd. (DCEC) and Chongqing Cummins Engine Company, Ltd. (CCEC) at December 31, 2014. Our equity ownership interests in our unconsolidated North American distributors ranged from 49 percent to 50 percent at December 31, 2014. We have 50 percent equity ownership interests in DCEC and CCEC. As a result, although a significant percentage of our net income is derived from these unconsolidated entities, we do not unilaterally control their management or their operations, which puts a substantial portion of our net income at risk from the actions or inactions of these entities. A significant reduction in the level of contribution by these entities to our net income would likely have a material adverse effect on our results of operations.

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Our truck manufacturers and original equipment manufacturers (OEMs)OEM customers may not continue to outsourcediscontinue outsourcing their engine supply needs.
Several of our engine customers, including PACCAR, Volvo AB,, Navistar, Fiat Chrysler, Daimler and DCEC,Dongfeng, are truck manufacturers or OEMs that manufacture engines for some of their own products.vehicles. Despite their own engine manufacturing abilities, these customers have historically chosen to outsource certain types of engine production to us due to the quality of our engine products, our emission compliance capabilities, our systems integration, their customers' preferences, their desire for cost reductions, their desire for eliminating production risks and their desire to maintain company focus. However, there can be no assurance that these customers will continue to outsource, or outsource as much of, their engine production in the future. IncreasedIn fact, several of these customers have expressed their intention to significantly increase their own engine production and to decrease engine purchases from us. In addition, increased levels of OEM vertical integration could result from a number of factors, such as shifts in our customers' business strategies, acquisition by a customer of another engine manufacturer, the inability of third-party suppliers to meet product specifications and the emergence of low-cost production opportunities in foreign countries. Any significant reduction in the level of engine production outsourcing from our truck manufacturer or OEM customers could have a material adverse effect on our results of operations.
A downturnThe development of new technologies may materially reduce the demand for our current products and services.
We are investing in new products and technologies, including electrified powertrains, for planned introduction into certain existing and new markets.  Given the North American truck industryearly stages of development of some of these new products and technologies, there can be no guarantee of the future market acceptance and investment returns with respect to these planned products.  The increased adoption of electrified powertrains in some market segments could result in lower demand for current diesel or other factors negatively affecting any of our truck OEM customers could materially adversely impact our results of operations.
We make significant sales ofnatural gas engines and components to a few large truck OEMsand, over time, reduce the demand for related parts and service revenues from diesel or natural gas powertrains. Furthermore, it is possible that we may not be successful in North America. If the North American truck market suffers a significant downturn, or if onedeveloping segment-leading electrified powertrains and some of our large truck OEMexisting customers experienced financial distresscould choose to develop their own electrified or bankruptcy, such circumstance would likely lead to significant reductions in our revenuesalternate fuel powertrains, or source from other manufacturers, and earnings, commercial disputes, receivable collection issues, and other negative consequences that could have a material adverse impact on our resultsany of operations.
The discovery of any significant problems with our recently-introduced engine platforms in North Americathese factors could materially adversely impact our results of operations, financial condition and cash flow.flows.
The EPA and CARB have certified all of our 2012/2013 on-highway and off-highway engines, which utilize SCR technology to meet requisite emission levels. We introduced SCR technology into our engine platforms in 2010. The effective performance of SCR technology and the overall performance of these engine platforms impact a number of our operating segments and remain crucial to our success in North America. While these 2010 and 2013 engine platforms have performed well in the field, the discovery of any significant additional problems with our engine platforms or aftertreatment systems in these platformsNorth America could result in recall campaigns, increased warranty costs, reputational risk and brand risk, and couldfurther materially adversely impact our results of operations, financial condition or cash flows.
During 2017, the CARB and cash flow.
U.S. EPA selected certain of our pre-2013 model year engine systems for additional emissions testing. Some of these engine systems failed CARB and EPA's tests as a result of degradation of an aftertreatment component. We have not been issued an official notice from the CARB or EPA regarding these particular engine systems. We are vulnerableworking with the agencies and will meet with them beginning in the first quarter of 2018, to supply shortages from single-sourced suppliers.develop a resolution of these matters. We are developing and testing a variety of solutions to address the technical issues, which could include a combination of calibration changes, service practices and hardware changes.
During 2014,In addition, we single sourced approximately 55 percentcontinue to evaluate other engine systems for model years 2010 through 2015 that could potentially be subject to similar aftertreatment component degradation issues.  At the close of 2017, we had not yet determined the impact to other model years or engine systems or the percentage of the total typesengine system populations that could be affected.

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Since there are many unresolved variables with respect to seek alternative supply sourcesthese degradation issues, we are not yet able to avoid serious disruptions. Delays may be caused by factors affecting our suppliers, including capacity constraints, labor disputes, economic downturns, availabilityestimate the financial impact of credit, the impaired financial condition ofthese matters. It is possible that they could have a particular supplier, suppliers' allocations to other purchasers, weather emergencies, natural disasters or acts of war or terrorism. Any extended delay in receiving critical supplies could impair our ability to deliver products to our customers andmaterial impact on our results of operations.operations in the periods in which these degradation issues are resolved and a solution is determined.
Our products are exposed to variability in material and commodity costs.
Our businesses establish prices with our customers in accordance with contractual time frames; however, the timing of material and commodity market price increases may prevent us from passing these additional costs on to our customers through timely pricing actions. Additionally, higher material and commodity costs around the world may offset our efforts to reduce our cost structure. While we customarily enter into financial transactions and contractual pricing adjustment provisions with our customers that attempt to address some of these risks (notably with respect to copper, platinum and palladium), there can be no assurance that commodity price fluctuations will not adversely affect our results of operations. In addition, while the use of commodity price hedging instruments may provide us with some protection from adverse fluctuations in commodity prices, by utilizing these instruments we potentially forego the benefits that might result from favorable fluctuations in price. As a result, higher material and commodity costs, as well as hedging these commodity costs during periods of decreasing prices, could result in declining margins.

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Our products are subject to recall for performance or safety-related issues.
Our products may be subject to recall for performance or safety-related issues. Product recalls subject us to harm to our reputation, loss of current and future customers, reduced revenue and product recall costs. Product recall costs are incurred when we decide, either voluntarily or involuntarily, to recall a product through a formal campaign to solicit the return of specific products due to a known or suspected performance issue. Any significant product recalls could have a material adverse effect on our results of operations, financial condition and cash flows. See Note 12, "COMMITMENTS AND CONTINGENCIES" to the Consolidated Financial Statements for additional information.
Failure to successfully integrate the planned acquisitions of the equity we do not already ownLower-than-anticipated market acceptance of our partially-owned United States and Canadian distributorsnew or existing products or services, including reductions in demand for diesel engines, could have an adversematerially adversely impact on our realizationresults of expected benefits to ouroperations, financial condition or cash flows.
Although we conduct market research before launching new or refreshed engines and resultsintroducing new services, many factors both within and outside our control affect the success of operations.
The completionnew or existing products and services in the marketplace. Offering engines and services that customers desire and value can mitigate the risks of increasing price competition and declining demand, but products and services that are perceived to be less than desirable (whether in terms of price, quality, overall value, fuel efficiency or other attributes) can exacerbate these risks. With increased consumer interconnectedness through the internet, social media and other media, mere allegations relating to poor quality, safety, fuel efficiency, corporate responsibility or other key attributes can negatively impact our reputation or market acceptance of our planproducts or services, even if such allegations prove to acquire all of the equity we do not already ownbe inaccurate or unfounded.
A slowdown in infrastructure development and/or depressed commodity prices could adversely affect our business.
Infrastructure development and strong commodity prices have been significant drivers of our partially- owned United Stateshistorical growth, but as the pace of investment in infrastructure slowed in recent years (especially in China and Canadian distributors (each, an ''Acquisition,''Brazil), commodity prices were significantly lower and collectively,demand for our products in off-highway markets was weak. Weakness in commodities, such as oil, gas and coal, adversely impacted mining industry participants’ demand for vehicles and equipment that contain our engines and other products over the ''Acquisitions''), ispast several years. Although many of our off-highway markets began to recover in 2017, additional deterioration, or renewed weakness, in infrastructure and commodities markets could adversely affect our customers’ demand for vehicles and equipment and could adversely affect our business.
Unpredictability in the adoption, implementation and enforcement of increasingly stringent emission standards by multiple jurisdictions around the world could adversely affect our business.
Our engines are subject to various risks,extensive statutory and regulatory requirements governing emission and noise, including amongstandards imposed by the EPA, the EU, state regulatory agencies (such as the CARB) and other things,regulatory agencies around the world. We have made, and will be required to continue to make, significant capital and research expenditures to ensure our engines comply with these emission standards. Developing engines and components to meet numerous changing government regulatory requirements, with different implementation timelines and emission requirements, makes developing engines efficiently for multiple markets complicated and could result in substantial additional costs that may be difficult to recover in certain markets. In some cases, we are required to develop new products to comply with new regulations, particularly those relating to air emissions. While we have met previous deadlines, our ability to realize the full extent of the incremental revenue, earnings, cash flow, cost savingscomply with other existing and other benefits that we expect to realize as a result of the completion of the Acquisitions within the anticipated time frame, or at all; the costs that are expected to be incurred in connection with evaluating, negotiating, consummating and integrating the Acquisitions; the ability of management to focus adequate time and attention on evaluating, negotiating, consummating and integrating the Acquisitions; and diversion of management's attention from base strategies and objectives, both during and after the acquisition process. Further, as with all merger and acquisition activity, there can be no assurance that wefuture regulatory standards will be ableessential for us to negotiate, consummatemaintain our competitive advantage in the engine markets we serve. The successful development and integrate the Acquisitions in accordance with our plans. Those persons holding the third-party ownershipintroduction of our partially-owned United Statesnew and Canadian distributors may not agree to our acquisition proposals, including the terms and conditions thereof, and may claim that our proposals to exercise certain contractual rights that we have with respect to acquiring such distributors may violate applicable state franchise and distributor laws, which may prohibit, delay or otherwise adversely affect the consummation of such Acquisitions on terms and conditions that are less favorable to us than we currently anticipate, or not at all.
After completion of the Acquisitions, we may fail to realize the expected enhanced revenue, earnings, cash flow, cost savings and other benefits.
The financial success of the Acquisitions will depend, in substantial part, on our ability to successfully combine our business with the businesses of our partially-owned United States and Canadian distributors, transition operations and realize the expected enhanced revenue, earnings, cash flow, cost savings and other benefits from such Acquisitions. While we currently believe that these enhanced revenue, earnings, cash flow, cost savings and other benefits estimates are achievable, it is possible that we will be unable to achieve these objectives within the anticipated time frame, or at all. Our enhanced revenue, earnings, cash flow, cost savings and other benefits estimates also depend on our ability to execute and integrate the Acquisitions in a manner that permits those benefits to be realized. If these estimates turn out to be incorrect or we are not able to execute our integration strategy successfully, the anticipated enhanced revenue, earnings, cash flow, cost savings and other benefits, resulting from the Acquisitions may not be realized fully, or at all, or may take longer to realize than expected.
Specifically, issues that must be addressed in integrationproducts in order to realize the anticipated benefits and costs savings of the Acquisitions include, amongcomply with new regulatory requirements are subject to other things:
maintaining and improving management and employee engagement, morale, motivation and productivity;
recruiting and retaining executives and key employees;
retaining and strengthening relationships with existing customers and attracting new customers;
conforming standards, controls, procedures and policies, business cultures and compensation structures among the companies;
consolidating and streamlining corporate and administrative infrastructures;
consolidating sales, customer service and marketing operations;
identifying and eliminating redundant and underperforming operations and assets;
integrating the distribution, sales, customer service and administrative support activities among the companies;
integrating information technology systems, including those systems managing data security for sensitive employee, customer and vendor information, and diverse network applications across the companies;

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managing the broadened competitive landscape, including responding to the actions taken by competitors in response to the Acquisitions;
coordinating geographically dispersed organizations;
managing the additional business risks, of businesses that we have not previously directly managed; and
managing tax costs or inefficiencies associated with integrating our operations following completion of the Acquisitions.
Delays encountered in the process of integrating the Acquisitions could negatively impact our revenues, expenses, operating results, cash flow and financial condition after completion of the Acquisitions, including through the loss of current customers or suppliers. Although significant benefits, such as enhanced revenue, earnings, cash flowdelays in product development, cost over-runs and cost savings, are expected to result from the Acquisitions, there can be no assurance that we will realize any of these anticipated benefits after completion of any or all of the Acquisitions.
Additionally, significant costs are expected to be incurred in connection with the integration of the Acquisitions. We continue to assess the magnitude of these costsunanticipated technical and additional unanticipated costs may be incurred, including costs associated with assuming our partially-owned United States and Canadian distributors' exposure to outstanding and anticipated legal claims and other liabilities. Although we believe that the elimination of duplicative costs, as well as the realization of other synergies and efficiencies related to the integration of the Acquisitions, will offset incremental integration-related costs over time, no assurances can be given that this net benefit will be achieved in the near term, or at all. manufacturing difficulties.

In addition to these risks, the processnature and timing of integrating the operationsgovernment implementation and enforcement of our partially- owned United Statesincreasingly stringent emission standards in emerging markets are unpredictable and Canadian distributors may distract management and employees from delivering against base strategies and objectives, which could negatively impact other segments of our business following the completion of the Acquisitions.
Furthermore, the Acquisitions and the related integration efforts,subject to change. Any delays in implementation or enforcement could result in the departure of key managers and employees, andproducts we may faildeveloped or modified to identify managerial resources to fill both executive-level and lower-level managerial positions and replace key employees, including those who oversee customer relationships, any of which could have a negative impact on our business, and, prior to the completion of the Acquisitions, the businesses of our partially-owned United States and Canadian distributors.
The completion of the Acquisitions may be subject to the receipt of certain required clearancescomply with these standards becoming unnecessary or approvals from governmental entities that could prevent or delay their completion or impose conditions that could have an adverse effect on us.
Completion of each of the Acquisitions may be conditioned upon the receipt of certain governmental clearances or approvals, including, but not limited to, the expiration or termination of any applicable waiting periods under U.S. competition and trade laws with respect to such Acquisitions as well as applicable state regulations and restrictions. There can be no assurance that these clearances and approvals will be obtained, and, additionally, government authorities from which these clearances and approvals are required may impose conditions on the completion of any, or all, of the Acquisitions or require changes to their respective terms. If, in order to obtain any clearances or approvals required to complete any of the Acquisitions, we become subject to any material conditions after completion of any of such Acquisitions, our business and results of operations after completion of any of such Acquisitions may be adversely affected.
We face significant competition in the markets we serve.
The markets in which we operate are highly competitive. We compete worldwide with a number of other manufacturers and distributors that produce and sell similar products. We primarily compete in the market with diesel engines and related diesel products; however, new technologies continue to be developed for gasoline, natural gas and other technologies and we will continue to face new competition from these expanding technologies. Our products primarily compete on the basis of price, performance, fuel economy, speed of delivery, quality and customer support. We also face competitorsbecoming necessary later than expected thereby, in some emerging markets whocases, negating our competitive advantage. This in turn can delay, diminish or eliminate the expected return on capital and research expenditures that we have established local practicesinvested in such products and long standing relationships with participants in these markets. There can be no assurance that our products will be able to compete successfully with the products of other companies and in other markets. For a more complete discussion of the competitive environment in which each of our segments operates, see “Operating Segments” in “Item 1 Business.”

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Increasing global competition among our customers may affect our existing customer relationships and restrict our ability to benefit from some of our customers' growth.
As our customers in emerging markets continue to grow in size and scope, they are increasingly seeking to export their products to other countries. This has meant greater demand for our advanced engine technologies to help these customers meet the more stringent emissions requirements of developed markets, as well as greater demand for access to our distribution systems for purposes of equipment servicing. As these emerging market customers enter into and begin to compete in more developed markets, they may increasingly begin to compete with our existing customers in these markets. Our further aid to emerging market customers could adversely affect our relationshipsperceived competitive advantage in being an early, advanced developer of compliant engines.
We derive significant earnings from investees that we do not directly control, with developed market customersmore than 50 percent of these earnings from our China-based investees.
For 2017, we recognized $357 million of equity, royalty and asinterest income from investees, compared to $301 million in 2016. More than half of our equity, royalty and interest income from investees is from three of our 50 percent owned joint ventures in

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China - Beijing Foton Cummins Engine Co., Ltd., Dongfeng Cummins Engine Company, Ltd. and Chongqing Cummins Engine Company, Ltd. As a result, we may be pressured to restrict sale or support of somealthough a significant percentage of our productsnet income is derived from these unconsolidated entities, we do not unilaterally control their management or their operations, which puts a substantial portion of our net income at risk from the actions or inactions of these entities. A significant reduction in the areaslevel of increased competition. In addition, to the extent the competition does not correspond to overall growth in demand, we may see little or no benefit from this type of expansioncontribution by our emerging market customers.
We are exposed to, and may be adversely affected by, information technology security threats and sophisticated "cyber attacks."
We rely on our information technology systems and networks in connection with various of our business activities. Some of these networks and systems are managed by third party service providers and are not under our direct control. Our operations routinely involve receiving, storing, processing and transmitting sensitive information pertainingentities to our business, customers, dealers, suppliers, employees and other sensitive matters. Information technology security threats, including security breaches, computer malware and other “cyber attacks” are increasing in both frequency and sophistication. These threats could create financial liability, subject us to legal or regulatory sanctions or damage our reputation with customers, dealers, suppliers and other stakeholders. We continuously seek to maintain a robust program of information security and controls, but the impact of a material information technology event couldnet income would likely have a material adverse effect on our competitive position, reputation, results of operations financial condition and cash flow.flows.
We are exposed to political, economic and other risks that arise from operating a multinational business.
Approximately 48 percent of our net sales for 2014 and 52 percent in 2013 were attributable to customers outside the U.S. Accordingly, our business is subject to the political, economic and other risks that are inherent in operating in numerous countries. These risks include:
the difficulty of enforcing agreements and collecting receivables through foreign legal systems;
trade protection measures and import or export licensing requirements;
the imposition of taxes on foreign income and tax rates in certain foreign countries that exceed those in the U.S.;
the imposition of tariffs, exchange controls or other restrictions;
difficulty in staffing and managing widespread operations and the application of foreign labor regulations;
required compliance with a variety of foreign laws and regulations; and
changes in general economic and political conditions in countries where we operate, particularly in emerging markets.
As we continue to operate our business globally, our success will depend, in part, on our ability to anticipate and effectively manage these and other related risks. There can be no assurance that the consequences of these and other factors relating to our multinational operations will not have a material adverse effect upon us.
Unanticipated changes in our effective tax rate, theThe adoption of new tax legislation, changes in our provisional estimates or exposure to additional income tax liabilities could adversely affect our profitability.
On December 22, 2017, the U.S. enacted the Tax Cuts and Jobs Act (Tax Legislation). The estimated effects based upon current interpretation of the Tax Legislation have been incorporated into our financial results. As additional data is prepared and analyzed and as additional clarification and implementation guidance is issued on the new tax law, it may be necessary to adjust the provisional amounts. Any adjustments could have a material impact on provisional amounts. In addition, there is a risk that states or foreign jurisdictions may amend their tax laws in response to the Tax Legislation, which could have a material impact on our future results.
We are subject to income taxes in the U.S. and numerous international jurisdictions. Our income tax provision and cash tax liability in the future could be adversely affected by changes in the distribution of earnings in countries with differing statutory tax rates, changes in the valuation of deferred tax assets and liabilities, changes to our assertions regarding permanent re-investment of our foreign earnings, changes in tax laws and the discovery of new information in the course of our tax return preparation process. The carrying value of deferred tax assets, which are predominantly in the U.S., is dependent on our ability to generate future taxable income in the U.S. We are also subject to ongoing tax audits. These audits can involve complex issues, which may require an extended period of time to resolve and can be highly judgmental. Tax authorities may disagree with certain tax reporting positions taken by us and, as a result, assess additional taxes against us. We regularly assess the likely outcomes of these audits in order to determine the appropriateness of our tax provision. The amounts ultimately paid upon resolution of these or subsequent tax audits could be materially different from the amounts previously included in our income tax provision and, therefore, could have a material impact on our tax provision.

We are exposed to, and may be adversely affected by, potential security breaches or other disruptions to our information technology systems and data security.
We rely on the capacity, reliability and security of our information technology systems and data security infrastructure in connection with various aspects of our business activities. We also rely on our ability to expand and continually update these systems and related infrastructure in response to the changing needs of our business. As we implement new systems, they may not perform as expected. We also face the challenge of supporting our older systems and implementing necessary upgrades. In addition, some of these systems are managed by third party service providers and are not under our direct control. If we experience a problem with an important information technology system, including during system upgrades and/or new system implementations, the resulting disruptions could have an adverse effect on our business and reputation. As customers adopt and rely on the cloud-based digital technologies and services we offer, any disruption of the confidentiality, integrity or availability of those services could have an adverse effect on our business and reputation.
The data handled by our information technology systems is vulnerable to security threats. Our operations routinely involve receiving, storing, processing and transmitting sensitive information pertaining to our business, customers, dealers, suppliers, employees and other sensitive matters. Information technology security threats, such as security breaches, computer malware and other "cyber attacks," which are increasing in both frequency and sophistication, could result in unauthorized disclosures of information and create financial liability, subject us to legal or regulatory sanctions, or damage our reputation with customers, dealers, suppliers and other stakeholders. We continuously seek to maintain a robust program of information security and controls, but the impact of a material information technology event could have a material adverse effect on our competitive position, reputation, results of operations, financial condition and cash flow.
Financial distress or a change-in-control of one of our large truck OEM customers could materially adversely impact our results of operations.
We recognize significant sales of engines and components to a few large on-highway truck OEM customers in North America which have been an integral part of our positive business results for several years. If one of our large truck OEM customers experiences financial distress, bankruptcy or a change-in-control, such circumstance could likely lead to significant reductions in our revenues and earnings, commercial disputes, receivable collection issues, and other negative consequences that could have a material adverse impact on our results of operations.

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Our plan to reposition our portfolio of product offerings through exploring strategic acquisitions and divestitures may expose us to additional costs and risks.
Part of our strategic plan is to improve our gross margins and earnings by exploring the repositioning of our portfolio of product line offerings through the pursuit of potential strategic acquisitions and/or divestitures to provide future strategic, financial and operational benefits and improve shareholder value. There can be no assurance that we will be able to identify suitable candidates or consummate these transactions on favorable terms. The successful identification and completion of any strategic transaction depends on a number of factors that are not entirely within our control, including the availability of suitable candidates and our ability to negotiate terms acceptable to all parties involved, conclude satisfactory agreements and obtain all necessary regulatory approvals. Accordingly, we may not be able to successfully negotiate and complete specific transactions. The exploration, negotiation and consummation of strategic transactions may involve significant expenditures by us, which may adversely affect our results of operations at the time such expenses are incurred, and may divert management’s attention from our existing business. Strategic transactions also may have adverse effects on our existing business relationships with suppliers and customers.

If required, the financing for strategic acquisitions could result in an increase in our indebtedness, dilute the interests of our shareholders or both. Any acquisition may not be accretive to us for a significant period of time following the completion of such acquisition. Also, our ability to effectively integrate any potential acquisition into our existing business and culture may not be successful, which could jeopardize future financial and operational performance for the combined businesses. In addition, if an acquisition results in any additional goodwill or increase in other intangible assets on our balance sheet and subsequently becomes impaired, we would be required to record a non-cash impairment charge, which could result in a material adverse effect on our financial condition and results of operations.

Similarly, any strategic divestiture of a product line or business may reduce our revenue and earnings, reduce the diversity of our business, result in substantial costs and expenses and cause disruption to our employees, customers, vendors and communities in which we operate.
We are vulnerable to supply shortages from single-sourced suppliers.
During 2017, we single sourced approximately 20 percent of the total types of parts in our product designs, compared to approximately 56 percent in 2016. Any delay in our suppliers' deliveries may adversely affect our operations at multiple manufacturing locations, forcing us to seek alternative supply sources to avoid serious disruptions. Delays may be caused by factors affecting our suppliers, including capacity constraints, labor disputes, economic downturns, availability of credit, the impaired financial condition of a particular supplier, suppliers' allocations to other purchasers, weather emergencies, natural disasters or acts of war or terrorism. Any extended delay in receiving critical supplies could impair our ability to deliver products to our customers and our results of operations.
We face significant competition in the markets we serve.
The markets in which we operate are highly competitive. We compete worldwide with a number of other manufacturers and distributors that produce and sell similar products. We primarily compete in the market with diesel engines and related diesel products; however, new technologies continue to be developed for gasoline, natural gas, electrification and other technologies and we will continue to face new competition from these expanding technologies. Our products primarily compete on the basis of price, performance, fuel economy, speed of delivery, quality and customer support. We also face competitors in some emerging markets who have established local practices and long standing relationships with participants in these markets. There can be no assurance that our products will be able to compete successfully with the products of other companies and in other markets.
Increasing global competition among our customers may affect our existing customer relationships and restrict our ability to benefit from some of our customers' growth.
As our customers in emerging markets continue to grow in size and scope, they are increasingly seeking to export their products to other countries. This has meant greater demand for our advanced engine technologies to help these customers meet the more stringent emissions requirements of developed markets, as well as greater demand for access to our distribution systems for purposes of equipment servicing. As these emerging market customers enter into, and begin to compete in more developed markets, they may increasingly begin to compete with our existing customers in these markets. Our further aid to emerging market customers could adversely affect our relationships with developed market customers. In addition, to the extent the competition does not correspond to overall growth in demand, we may see little or no benefit from this type of expansion by our emerging market customers.

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Policy changes affecting international trade could adversely impact the demand for our products and our competitive position.

Changes in government policies on foreign trade and investment can affect the demand for our products and services, impact the competitive position of our products or prevent us from being able to sell products in certain countries. Our business benefits from free trade agreements, such as the North American Free Trade Agreement, and efforts to withdraw from, or substantially modify such agreements, in addition to the implementation of more restrictive trade policies, such as more detailed inspections, higher tariffs, import or export licensing requirements, exchange controls or new barriers to entry, could have a material adverse effect on our results of operations, financial condition or cash flows.

Additionally, the results of the United Kingdom’s referendum on EU membership,
advising for the exit from the EU, has caused and may continue to cause significant volatility in global stock markets, currency exchange rate fluctuations and global economic uncertainty. Although it is unknown what the terms of the United Kingdom’s future relationship with the EU will be, it is possible that there will be greater restrictions on imports and exports between the United Kingdom and EU and increased regulatory complexities. Any of these factors could adversely impact customer demand, our relationships with customers and suppliers and our results of operations.
We are subject to foreign currency exchange rate and other related risks.

We conduct operations in many areas of the world involving transactions denominated in a variety of currencies. We are subject to foreign currency exchange rate risk to the extent that our costs are denominated in currencies other than those in which we earn revenues. In addition, since our financial statements are denominated in U.S. dollars, changes in foreign currency exchange rates between the U.S. dollar and other currencies have had, and will continue to have, an impact on our results of operations. Although the U.S. dollar weakened in 2017, the U.S. dollar strengthened in recent years through 2016 and resulted in material unfavorable impacts on our revenues in those years. If the U.S. dollar returns to strengthening against other currencies, we will experience additional volatility in our financial statements.

While we customarily enter into financial transactions that attempt to address these risks and many of our supply agreements with customers include foreign currency exchange rate adjustment provisions, there can be no assurance that foreign currency exchange rate fluctuations will not adversely affect our future results of operations. In addition, while the use of currency hedging instruments may provide us with some protection from adverse fluctuations in foreign currency exchange rates, by utilizing these instruments we potentially forego the benefits that might result from favorable fluctuations in foreign currency exchange rates.

We also face risks arising from the imposition of foreign exchange controls and currency devaluations. Foreign exchange controls may limit our ability to convert foreign currencies into U.S. dollars or to remit dividends and other payments by our foreign subsidiaries or businesses located in or conducted within a country imposing controls. Currency devaluations result in a diminished value of funds denominated in the currency of the country instituting the devaluation. See Management's Discussion and Analysis for additional information.

Our products are exposed to variability in material and commodity costs.

Our businesses establish prices with our customers in accordance with contractual time frames; however, the timing of material and commodity market price increases may prevent us from passing these additional costs on to our customers through timely pricing actions. Additionally, higher material and commodity costs around the world may offset our efforts to reduce our cost structure. While we customarily enter into financial transactions and contractual pricing adjustment provisions with our customers that attempt to address some of these risks (notably with respect to copper, platinum and palladium), there can be no assurance that commodity price fluctuations will not adversely affect our results of operations. In addition, while the use of commodity price hedging instruments and contractual pricing adjustments may provide us with some protection from adverse fluctuations in commodity prices, by utilizing these instruments we potentially forego the benefits that might result from favorable fluctuations in price. As a result, higher material and commodity costs, as well as hedging these commodity costs during periods of decreasing prices, could result in declining margins.

We may fail to realize all of the expected enhanced revenue, earnings, and cash flow from our investment in the Eaton Cummins Automated Transmission Technologies joint venture.
Our ability to realize all of the expected enhanced revenue, earnings, and cash flow from our recent investment in the Eaton Cummins Automated Transmission Technologies joint venture will depend, in substantial part, on our ability to successfully launch the automated transmission products in North America and achieve our projected market penetration. While we believe

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we will ultimately achieve these objectives, it is possible that we will be unable to achieve all of the goals within our anticipated time frame or in the anticipated amounts. If we are not able to successfully complete our automated transmission strategy, the anticipated enhanced revenue, earnings, and cash flows resulting from this joint venture may not be realized fully or may take longer to realize than expected.

As part of the purchase accounting associated with the formation of the joint venture, significant goodwill and intangible asset balances were recorded on the consolidated balance sheet. If cash flows from the joint venture fall short of our anticipated amounts, these assets could be subject to impairment charges, negatively impacting our earnings.
We are exposed to political, economic and other risks that arise from operating a multinational business.
Our business is subject to the political, economic and other risks that are inherent in operating in numerous countries. These risks include:
the difficulty of enforcing agreements and collecting receivables through foreign legal systems;
trade protection measures and import or export licensing requirements;
the imposition of taxes on foreign income and tax rates in certain foreign countries that exceed those in the U.S.;
the imposition of tariffs, exchange controls or other restrictions;
difficulty in staffing and managing widespread operations and the application of foreign labor regulations;
required compliance with a variety of foreign laws and regulations; and
changes in general economic and political conditions in countries where we operate, particularly in emerging markets.
As we continue to operate our business globally, our success will depend, in part, on our ability to anticipate and effectively manage these and other related risks. There can be no assurance that the consequences of these and other factors relating to our multinational operations will not have a material adverse effect upon us.
Our global operations are subject to laws and regulations that impose significant compliance costs and create reputational and legal risk.
Due to the international scope of our operations, we are subject to a complex system of commercial and trade regulations around the world. Recent years have seen an increase in the development and enforcement of laws regarding trade compliance and anti-corruption, such as the U.S. Foreign Corrupt Practices Act and similar laws from other countries.countries, as well as new regulatory requirements regarding data privacy, such as the European Union General Data Protection Regulation. Our numerous foreign subsidiaries, affiliates and joint venture partners are governed by laws, rules and business practices that differ from those of the U.S. The activities of these entities may not comply with U.S. laws or business practices or our Code of Business Conduct. Violations of these laws may result in severe criminal or civil sanctions, could disrupt our business, and result in an adverse effect on our reputation, business and results of operations or financial condition. We cannot predict the nature, scope or effect of future regulatory requirements to which our operations might be subject or the manner in which existing laws might be administered or interpreted.
We face the challenge of accurately aligning our capacity with our demand.
We can experience capacity constraints and longer lead times for certain products in times of growing demand while we can also experience idle capacity as economies slow or demand for certain products decline. Accurately forecasting our expected volumes and appropriately adjusting our capacity have been, and will continue to be, important factors in determining our results of operations. We cannot guarantee that we will be able to increase manufacturing capacity to a level that meets demand for our products, which could prevent us from meeting increased customer demand and could harm our business. However, ifIf we overestimate our demand and overbuild our capacity, we may have significantly underutilized assets and we may experience reduced margins. If we do not accurately align our manufacturing capabilities with demand it could have a material adverse effect on our results of operations.
Our business is exposed to risks ofpotential product liability claims.
We face an inherent business risk of exposure to product liability claims in the event that our products' failure to perform to specification results, or is alleged to result, in property damage, bodily injury and/or death. We may experience materialAt any given time, we are subject to various and multiple product liability lossesclaims, any one of which, if decided adversely to us, may have a material adverse effect on our reported results of operation in the future.period in which our liability with respect to any such claim is recognized. While we maintain insurance coverage with respect to certain product liability claims, we may not be able to obtain such insurance on acceptable terms in the future, if at all, and any such insurance may not provide adequate coverage against product liability claims. In addition, product liability claims can be expensive to defend and can divert the attention of management and other personnel for significant periods of time, regardless of the ultimate outcome. An unsuccessful defense of a significant product liability claim could have a material adverse effect upon us. In addition,Furthermore, even if we are successful in

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defending against a claim relating to our products, claims of this nature could cause our customers to lose confidence in our products and us.
We may need to write off significant investments in our new North American light-duty diesel engine platform if customer commitments deteriorate.
We began development of a new North American light-duty diesel engine platform in July 2006 to be used in a variety of on- and off-highway applications. Since that time, and as of December 31, 2014, we have capitalized investments of approximately $251 million. Market uncertainty due to the global recession resulted in some customers delaying or cancelling their vehicle programs, while others remained active. We reached an agreement to supply Nissan Motor Co. Ltd. with our light-duty diesel engine beginning in 2015, however, if customer expectations or volume projections deteriorate from our current expected levels and we do not identify new customers, we may need to recognize an impairment charge.
Our operations are subject to increasingly stringent environmental laws and regulations.
Our plants and operations are subject to increasingly stringent environmental laws and regulations in all of the countries in which we operate, including laws and regulations governing air emission, discharges to water and the generation, handling, storage, transportation, treatment and disposal of waste materials. While we believe that we are in compliance in all material respects with these environmental laws and regulations, there can be no assurance that we will not be adversely impacted by costs, liabilities or claims with respect to existing or subsequently acquired operations, under either present laws and regulations or those that may be adopted or imposed in the future. We are also subject to laws requiring the cleanup of contaminated property. If a release of hazardous substances occurs at or from any of our current or former properties or at a landfill or another location where we have disposed of hazardous materials, we may be held liable for the contamination and the amount of such liability could be material.

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TableFuture bans or limitations on the use of Contents

We are subjectdiesel-powered vehicles, in an effort to foreign currency exchange ratelimit greenhouse gas emissions, could materially adversely affect our business over the long term.
In an effort to limit greenhouse gas emissions, mayors of several large international cities announced that they plan to implement a ban on the use in their cities of diesel-powered vehicles by 2025. These cities include Athens, Madrid, Mexico City and other related risks.
We conduct operationsParis. Similarly, Germany adopted legislation to ban new internal combustion engine vehicles by 2030, and China is considering a ban on the production and sale of diesel-powered vehicles to be adopted in many areasthe near future. In addition, California government officials have called for the state to phase out sales of the world involving transactions denominated in a variety of currencies. We are subject to foreign currency exchange rate risk todiesel-powered vehicles by 2040. To the extent that our coststhese types of bans are denominatedactually implemented in currencies other than thosethe future on a broad basis, or in which we earn revenues. In addition, since our financial statements are denominated in U.S. dollars, changes in foreign currency exchange rates between the U.S. dollar and other currencies have had, and will continue to have, an impact on our results of operations. While we customarily enter into financial transactions that attempt to address these risks and manyone or more of our supply agreements with customers include foreign currency exchange rate adjustment provisions, there cankey markets, our business over the long-term could be no assurance that foreign currency exchange rate fluctuations will notmaterially adversely affect our results of operations. In addition, while the use of currency hedging instruments may provide us with some protection from adverse fluctuations in foreign currency exchange rates, by utilizing these instruments we potentially forego the benefits that might result from favorable fluctuations in foreign currency exchange rates.

We also face risks arising from the imposition of foreign exchange controls and currency devaluations. Foreign exchange controls may limit our ability to convert foreign currencies into U.S. dollars or to remit dividends and other payments by our foreign subsidiaries or businesses located in or conducted within a country imposing controls. Currency devaluations result in a diminished value of funds denominated in the currency of the country instituting the devaluation.affected.
We are exposed to risks arising from the price and availability of energy.
The level of demand for our products and services is influenced in multiple ways by the price and availability of energy. High energy costs generally drive greater demand for better fuel economy in almost all countries in which we operate. Some of our engine products have been developed with a primary purpose of offering fuel economy improvements, and if energy costs decrease or increase less than expected, demand for these products may likewise decrease. The relative unavailability of electricity in some emerging market countries also influences demand for our electricity generating products, such as our diesel generators. If these countries add energy capacity by expanding their power grids at a rate equal to or faster than the growth in demand for energy, the demand for our generating products could also decrease or increase less than would otherwise be the case.
Significant declines in future financial and stock market conditions could diminish our pension plan asset performance and adversely impact our results of operations, financial condition and cash flow.
We sponsor both funded and unfunded domestic and foreign defined benefit pension and other retirement plans. Our pension cost and the required contributions to our pension plans are directly affected by the value of plan assets, the projected and actual rates of return on plan assets and the actuarial assumptions we use to measure our defined benefit pension plan obligations, including the discount rate at which future projected and accumulated pension obligations are discounted to a present value. We could experience increased pension cost due to a combination of factors, including the decreased investment performance of pension plan assets, decreases in the discount rate and changes in our assumptions relating to the expected return on plan assets.



Significant declines in future financial and stock market conditions could cause material losses in our pension plan assets, which could result in increased pension cost in future years and adversely impact our results of operations, financial condition and cash flow. Depending upon the severity of market declines and government regulatory changes, we may be legally obligated to make pension payments in the U.S. and perhaps other countries and these contributions could be material.
We may be adversely impacted by work stoppages and other labor matters.
As ofAt December 31, 2014,2017, we employed approximately 54,60058,600 persons worldwide. Approximately 17,68020,830 of our employees worldwide are represented by various unions under collective bargaining agreements that expire between 20152018 and 2019.2022. While we have no reason to believe that we will be materially impacted by work stoppages or other labor matters, there can be no assurance that future issues with our labor unions will be resolved favorably or that we will not encounter future strikes, work stoppages, or other types of conflicts with labor unions or our employees. Any of these consequences may have an adverse effect on us or may limit our flexibility in dealing with our workforce. In addition, many of our customers and suppliers have

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unionized work forces. Work stoppages or slow-downsslowdowns experienced by our customers or suppliers could result in slow-downsslowdowns or closures that would have a material adverse effect on our results of operations, financial condition and cash flow.

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Our financial statements are subject to changes in accounting standards that could adversely impact our profitability or financial position.
Our financial statements are subject to the application of generally accepted accounting principles generally accepted(GAAP) in the United States of America, (GAAP), which are periodically revised and/or expanded. Accordingly, from time to time, we are required to adopt new or revised accounting standards issued by recognized authoritative bodies, including the Financial Accounting Standards Board. Recently, accounting standard setters issued new guidance which further interprets or seeks to revise accounting pronouncements related to revenue recognition and lease accounting as well as to issue new standards expanding disclosures. The impact of accounting pronouncements that have been issued but not yet implemented is disclosed in our annual and quarterly reports on Form 10-K and Form 10-Q. An assessment of proposed standards is not provided, as such proposals are subject to change through the exposure process and, therefore, their effects on our financial statements cannot be meaningfully assessed. It is possible that future accounting standards we are required to adopt could change the current accounting treatment that we apply to our consolidated financial statements and that such changes could have a material adverse effect on theour reported results of operations and financial position.
ITEM 1B.    Unresolved Staff Comments
None.


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ITEM 2.    Properties
Manufacturing Facilities
Our principal manufacturing facilities include our plants used by the following segments in the following locations:
Segment U.S. Facilities Facilities Outside the U.S.
Engine 
Indiana: Columbus Seymour
 
Brazil: Sao Paulo
  
Tennessee: MemphisNew York: Lakewood
 
India: Pune, Phaltan
  
New Mexico: ClovisNorth Carolina: Whitakers
 
Mexico: San Luis PotosiU.K.: Darlington
Components
Indiana: Columbus
Australia: Kilsyth
  
New York: LakewoodSouth Carolina: Charleston
 
U.K.: Darlington, Daventry, CumbernauldBrazil: Sao Paulo
  
North Carolina: Whitakers
Components
Indiana: ColumbusTennessee: Cookeville
 
Australia: KilsythChina: Beijing, Shanghai, Wuxi, Wuhan
  
South Carolina: CharlestonWisconsin: Mineral Point, Neillsville
 
Brazil: Sao Paulo
Tennessee: Cookeville
China: Beijing, Shanghai, Wuxi, Wuhan
Wisconsin: Mineral Point, Neillsville
France: Quimper
    
Germany: Marktheidenfeld
    
India: Pune, Dewas, Pithampur, Phaltan, Rudrapur
    
Mexico: Ciudad Juarez, San Luis Potosi
    
South Africa: Pietermaritzburg Johannesburg
    
South Korea: Suwon
    
Turkey: IsmirU.K.: Darlington, Huddersfield
Power Systems
Indiana: Elkhart, Seymour
Brazil: Sao Paulo
Minnesota: Fridley
China: Wuxi, Wuhan
New Mexico: Clovis
India: Pune, Ahmendnagar, Ranjangaon, Phaltan
    
U.K.: Darlington, Huddersfield
Power Generation
Indiana: Elkhart
Brazil: Sao Paulo
Minnesota: Fridley
China: Wuxi, WuhanMexico: San Luis Potosi
    
Germany: IngolstadtRomania: Craiova
    
India: Pirangut, Ahmendnagar, Ranjangaon, PhaltanU.K.: Daventry, Margate, Manston, Stamford
    
Mexico: San Luis Potosi
Romania: Craiova
U.K.: Margate, Manston, Stamford
Nigeria: Lagos
In addition, engines and engine components are manufactured by joint ventures or independent licensees at manufacturing plants in the U.S., China, India, South Korea, MexicoRussia, Japan, Sweden and Sweden.Mexico.

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Distribution Facilities
The principal distribution facilities used bythat serve all of our Distribution and Engine segments are located in the following locations:
SegmentU.S. Facilities Facilities Outside the U.S.
Distribution
Alaska: AnchorageCalifornia: Irvine
 
Australia: ScoresbyCanada: Vancouver
Arkansas: Little RockColorado: Henderson
 
Canada: Vancouver, MontrealChina: Beijing
Colorado: Commerce City, HendersonGeorgia: Atlanta
 
Germany: Gross GerauRussia: Moscow
Florida: OrlandoMichigan: New Hudson
 
India: PuneSingapore: Singapore
Georgia: AtlantaMinnesota: White Bear Lake
 
Japan: TokyoSouth Africa: Johannesburg
Illinois: Hodgkins
Korea: Cheonan
Kansas: Wichita
Panama: Panama City
Louisiana: Kenner
Russia: Moscow
Massachusetts: Dedham
Singapore: Singapore SG
Michigan: Grand Rapids
South Africa: Johannesburg
Minnesota: White Bear Lake
U.K.: Wellingborough
Missouri: Kansas City
United Arab Emirates: Dubai
Nebraska: Omaha
  
New Mexico: FarmingtonTennessee: Memphis
  
New York: BronxTexas: Dallas
  
Ohio: Hilliard
Oklahoma: Oklahoma City
Oregon: Portland
Pennsylvania: Bristol, Harrisburg
Texas: Dallas
Utah: Salt Lake City
Washington: Renton, Spokane
Engine
Tennessee: Memphis
Belgium: Rumst

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Headquarters and Other Offices
Our Corporate Headquarters are located in Columbus, Indiana. Additional marketing, and operational headquarters and supply chain facilities are in the following locations:
U.S. Facilities Facilities Outside the U.S.
Indiana: Columbus, Indianapolis
 
China: Beijing, Shanghai, WuhanBelgium: Rumst
Tennessee: NashvilleKentucky: Walton
 
India: PuneBrazil: Guarulhos
Tennessee: Memphis,Nashville
China: Beijing, Shanghai, Wuhan
Washington, D.C. 
India: Pune
Mexico: San Luis Potosi
Russia: Moscow
Singapore: Singapore
South Africa: Johannesburg
U.K.: Staines, Stockton
United Arab Emirates: Dubai

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ITEM 3.    Legal Proceedings
We are subject to numerous lawsuits and claims arising out of the ordinary course of our business, including actions related to product liability; personal injury; the use and performance of our products; warranty matters; product recalls; patent, trademark or other intellectual property infringement; contractual liability; the conduct of our business; tax reporting in foreign jurisdictions; distributor termination; workplace safety; and environmental matters. We also have been identified as a potentially responsible party at multiple waste disposal sites under U.S. federal and related state environmental statutes and regulations and may have joint and several liability for any investigation and remediation costs incurred with respect to such sites. We have denied liability with respect to many of these lawsuits, claims and proceedings and are vigorously defending such lawsuits, claims and proceedings. We carry various forms of commercial, property and casualty, product liability and other forms of insurance; however, such insurance may not be applicable or adequate to cover the costs associated with a judgment against us with respect to these lawsuits, claims and proceedings. We do not believe that these lawsuits are material individually or in the aggregate. While we believe we have also established adequate accruals pursuant to U.S. generally accepted accounting principles for our expected future liability with respect to pending lawsuits, claims and proceedings, where the nature and extent of any such liability can be reasonably estimated based upon then presently available information, there can be no assurance that the final resolution of any existing or future lawsuits, claims or proceedings will not have a material adverse effect on our business, results of operations, financial condition or cash flows.
The matters described under "Loss Contingency Charges" in Note 12, "COMMITMENTS AND CONTINGENCIES," to the Consolidated Financial Statements are incorporated herein by reference.
We conduct significant business operations in Brazil that are subject to the Brazilian federal, state and local labor, social security, tax and customs laws. While we believe we comply with such laws, they are complex, subject to varying interpretations and we are often engaged in litigation regarding the application of these laws to particular circumstances.
ITEM 4.    Mine Safety Disclosures
Not Applicable.


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PART II
ITEM 5.    Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
(a)   Our common stock is listed on the NYSE under the symbol "CMI." For information about the quoted market prices of our common stock, information regarding dividend payments and the number of common stock shareholders, see "Selected Quarterly Financial Data" in this report. For other matters related to our common stock and shareholders' equity, see Note 14,13, "SHAREHOLDERS' EQUITY," to the Consolidated Financial Statements.
(b)   Use of proceeds—not applicable.
(c)   The following information is provided pursuant to Item 703 of Regulation S-K:
  Issuer Purchases of Equity Securities
Period 
(a) Total
Number of
Shares
Purchased(1)
 
(b) Average
Price Paid
per Share
 
(c) Total Number of
Shares Purchased
as Part of Publicly
Announced
Plans or Programs
 
(d) Maximum
Number of Shares
that May Yet Be
Purchased Under the
Plans or Programs(2)
September 29 - November 2, 2014 315,011
 $129.26
 314,276
 81,701
November 3 - November 30, 2014 867
 144.83
 
 84,031
December 1 - December 31, 2014 180,614
 138.75
 180,214
 88,027
Total 496,492
 132.74
 494,490
  
  Issuer Purchases of Equity Securities
Period 
(a) Total
Number of
Shares
Purchased(1)
 
(b) Average
Price Paid
per Share
 
(c) Total Number of
Shares Purchased
as Part of Publicly
Announced
Plans or Programs
 
(d) Maximum
Number of Shares
that May Yet Be
Purchased Under the
Plans or Programs(2)
October 2 - November 5 538
 $173.90
 
 39,622
November 6 - December 3 349,637
 166.01
 348,837
 40,522
December 4 - December 31 15,584
 167.66
 12,020
 36,058
Total 365,759
 166.10
 360,857
  

(1) Shares purchased represent shares under our Key Employee Stock Investment Plan established in 1969 (there is no maximum repurchase limitation in this plan) and the 2012our Board of Directors authorized $1 billion share repurchase program.programs.
(2) These values reflect the sum of shares held in loan status under our Key Employee Stock Investment Plan. The repurchase programprograms authorized by the Board of Directors doesdo not limit the number of shares that may be purchased and waswere excluded from this column. The dollar value remaining available for future purchases under such programs as of December 31, 2017, was $1.0 billion.
In December 2012, the Board of Directors authorized the acquisition of $1 billion of our common stock upon completion of the 2011 repurchase program. In 2014, we acquired $670 million or 4.8 million shares of our common stock leaving $174 million available for purchase under the 2012 repurchase plan at December 31, 2014. In July 2014,2016, our Board of Directors authorized the acquisition of up to $1 billion of additional common stock upon the completion of the 20122015 repurchase plan. During the three months ended December 31, 2017, we repurchased $60 million of common stock under the 2015 Board of Directors authorized plan.
During the fourth quarter of 2014,three months ended December 31, 2017, we repurchased 2,0024,902 shares from employees in connection with the Key Employee Stock Investment Plan which allows certain employees, other than officers, to purchase shares of common stock on an installment basis up to an established credit limit. Loans are issued for five-year terms at a fixed interest rate established at the date of purchase and may be refinanced after itstheir initial five-year period for an additional five-year period. Participants must hold shares for a minimum of six months from date of purchase and afterpurchase. If the shares are sold before the loan is paid off, the employee must wait six months before another share purchase may be made. We hold participants’ shares as security for the loans and would, in effect repurchase shares if the participant defaulted in repayment of the loan. There is no maximum amount of shares that we may purchase under this plan.




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Performance Graph (Unaudited)
The following Performance Graph and related information shall not be deemed "soliciting material" or to be "filed" with the SEC, nor shall such information be incorporated by reference into any of our future filings under the Securities Act of 1933 or Securities Exchange Act of 1934, each as amended, except to the extent that we specifically incorporate it by reference into such filing.
The following graph compares the cumulative total shareholder return on our common stock for the last five years with the cumulative total return on the S&P 500 Index and an index of peer companies selected by us. In 2017 the Board of Directors updated their benchmark criteria for peer companies, re-evaluated our peer group based on the updated criteria and updated our group to include current companies that participate in similar end-markets and have similar businesses. Our peerrevised group includes BorgWarner Inc,Inc., Caterpillar, Inc., Daimler AG, Danaher Corporation, Deere & Company, Donaldson Company Inc., Eaton Corporation, Emerson Electric Co., Fortive Corporation, W.W. Grainger Inc., Honeywell International, Illinois Tool Works Inc., Ingersoll-Rand Company Ltd., Navistar, PACCAR, Parker-Hannifin Corporation, Textron Inc. and Volvo AB. Each of the measures of cumulative total return assumes reinvestment of dividends. The comparisons in this table are required by the SEC and are not intended to forecast or be indicative of possible future performance of our stock.


COMPARISON OF 5 YEAR CUMULATIVE TOTAL RETURN
AMONG CUMMINS INC., S&P 500 INDEX AND CUSTOM PEER GROUP


ASSUMES $100 INVESTED ON DEC. 31, 20092012
ASSUMES DIVIDENDS REINVESTED
FISCAL YEAR ENDING DEC. 31, 20142017




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ITEM 6.    Selected Financial Data
The selected financial information presented below for each of the last five years ended December 31, beginning with 2014,2017, was derived from our Consolidated Financial Statements. This information should be read in conjunction with our Consolidated Financial Statements and related notes and "Management's Discussion and Analysis of Financial Condition and Results of Operations."
In millions, except per share amounts 2014 2013 2012 2011 2010 2017 2016 2015 2014 2013
For the years ended December 31,                    
Net sales $19,221
 $17,301
 $17,334
 $18,048
 $13,226
 $20,428
 $17,509
 $19,110
 $19,221
 $17,301
U.S. percentage of sales 52% 48% 47% 41% 36% 54% 54% 56% 52% 48%
Non-U.S. percentage of sales 48% 52% 53% 59% 64% 46% 46% 44% 48% 52%
Gross margin(1)
 4,861
 4,280
 4,416
 4,589
 3,168
 5,090
 4,452
 4,947
 4,861
 4,280
Research, development and engineering expenses 754
 713
 728
 629
 414
 752
 636
 735
 754
 713
Equity, royalty and interest income from investees 370
 361
 384
 416
 351
 357
 301
 315
 370
 361
Interest expense(2)
 64
 41
 32
 44
 40
 81
 69
 65
 64
 41
Net income attributable to Cummins Inc.(3)(1)
 1,651
 1,483
 1,645
 1,848
 1,040
 999
 1,394
 1,399
 1,651
 1,483
Earnings per common share attributable to Cummins Inc.(2)                    
Basic $9.04
 $7.93
 $8.69
 $9.58
 $5.29
 $5.99
 $8.25
 $7.86
 $9.04
 $7.93
Diluted 9.02
 7.91
 8.67
 9.55
 5.28
 5.97
 8.23
 7.84
 9.02
 7.91
Cash dividends declared per share 2.81
 2.25
 1.80
 1.325
 0.875
 4.21
 4.00
 3.51
 2.81
 2.25
Net cash provided by operating activities $2,266
 $2,089
 $1,532
 $2,073
 $1,006
 $2,277
 $1,935
 $2,059
 $2,266
 $2,089
Capital expenditures 743
 676
 690
 622
 364
 506
 531
 744
 743
 676
At December 31,                    
Cash and cash equivalents $2,301
 $2,699
 $1,369
 $1,484
 $1,023
 $1,369
 $1,120
 $1,711
 $2,301
 $2,699
Total assets 15,776
 14,728
 12,548
 11,668
 10,402
 18,075
 15,011
 15,134
 15,764
 14,728
Long-term debt(2)(3)
 1,589
 1,672
 698
 658
 709
 1,588
 1,568
 1,576
 1,577
 1,672
Total equity(4)
 8,093
 7,870
 6,974
 5,831
 4,996
 8,164
 7,174
 7,750
 8,093
 7,870

(1)We revised For the classification of certain amounts for "Cost of sales" and "Selling, general and administrative expenses" for 2013 and 2012. The segment EBIT performance measure is unchanged, however, certain activities that were previously classified in "Selling, general and administrative expenses" are now classified as "Cost of sales". The reclassifications for the yearsyear ended December 31, 2013 and 2012, were $103 million and $92 million, respectively. The revision had no impact on reported2017, net income cash flows orattributable to Cummins Inc. was reduced by $777 million due to tax reform. For the balance sheet. The amounts for the yearsyear ended December 31, 20112016, net income attributable to Cummins Inc. included a $138 million charge for a loss contingency ($74 million net of favorable variable compensation impact and 2010,after-tax). For the year ended December 31, 2015, net income attributable to Cummins Inc. included $211 million for an impairment of light-duty diesel assets ($133 million after-tax), $90 million of restructuring actions and other charges ($61 million after-tax) and a $60 million charge for a loss contingency ($38 million after-tax). For the year ended December 31, 2014, net income attributable to Cummins Inc. included $32 million of restructuring and other charges ($21 million after-tax) for operating actions related to the Power Systems segment.
(2)For the year ended December 31, 2017, results for basic and diluted earnings per share were not reclassifiedreduced by $4.66 per share and $4.65 per share, respectively, due to be consistent withtax reform.
(3)In 2015, we adopted new rules related to balance sheet debt issuance costs, which resulted in the current presentation. See Note 1, "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES," toreclassification of our Consolidated Financial Statements for additional detail.
(2)December 31, 2014, debt balance, reducing our long-term debt by $12 million. In September 2013, we issued $1 billion of senior unsecured debt.
(3)(4) For the yearyears ended December 31, 2012, consolidated net income included $52 million of restructuring2017, 2016, 2015, 2014 and other charges ($35 million after-tax) and a $20 million charge ($12 million after-tax) related to legal matters. For the year ended December 31, 2011, consolidated net income included a $68 million gain ($37 million after-tax) related to the disposition of certain assets and liabilities of our exhaust business and a $53 million gain ($33 million after-tax) recorded for the disposition of certain assets and liabilities of our light-duty filtration business, both from the Components segment, and a $38 million gain ($24 million after-tax) related to flood damage recoveries from the insurance settlement related to a June 2008 flood in Southern Indiana. For the year ended December 31, 2010, consolidated net income included $32 million in Brazil tax recoveries ($21 million after-tax) and $2 million in flood damage expenses.
(4) In 2014, 2013, 2012, 2011 and 2010, we recorded non-cash charges (credits) to equity of ($28) million, $65 million, $63 million, $78 million $(102) million, $83 million, $96 million and $(125)($102) million, respectively, to record net actuarial losses (gains) losses associated with the valuation of our pension plans. These losses (gains) losses include the effects of market conditions on our pension trust assets and the effects of economic factors on the valuation of the pension liability. For the years ended December 31, 2017, 2016, 2015, 2014 and 2013, we recorded non-cash charges (credits) to equity of ($315) million, $431 million, $290 million, $227 million and $18 million, respectively, to record unrealized losses (gains) associated with the foreign currency translation adjustments.


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ITEM 7.    Management's Discussion and Analysis of Financial Condition and Results of Operations
ORGANIZATION OF INFORMATION
The following Management's Discussion and Analysis of Financial Condition and Results of Operations (MD&A) was prepared to provide the reader with a view and perspective of our business through the eyes of management and should be read in conjunction with our Consolidated Financial Statements and the accompanying notes to those financial statements. Our MD&A is presented in the following sections:
Executive Summary and Financial Highlights
20152018 Outlook
Results of Operations
Operating Segment Results
Liquidity and Capital Resources
Contractual Obligations and Other Commercial Commitments
Application of Critical Accounting Estimates
Recently Adopted and Recently Issued Accounting Pronouncements

EXECUTIVE SUMMARY AND FINANCIAL HIGHLIGHTS
We are a global power leader that designs, manufactures, distributes and services diesel and natural gas engines and engine-related component products, including filtration, aftertreatment, turbochargers, fuel systems, controls systems, air handling systems, transmissions and electric power generation systems. We sell our products to original equipment manufacturers (OEMs), distributors and other customers worldwide. We have long-standing relationships with many of the leading manufacturers in the markets we serve, including PACCAR Inc, Daimler Trucks North America, Chrysler Group, LLC (Chrysler), Volvo AB, Komatsu, Navistar International Corporation Aggreko plc, Ford Motor Company and MAN Nutzfahrzeuge AG.Fiat Chrysler Automobiles. We serve our customers through a network of approximately 600 company-owned500 wholly-owned and independent distributor locations and approximately 7,200over 7,500 dealer locations in more than 190 countries and territories.

Our reportable operating segments consist of the following: Engine, Distribution, Components and Power Generation.Systems. This reporting structure is organized according to the products and markets each segment serves. The Engine segment produces engines (15 liters and less in size) and associated parts for sale to customers in on-highway and various industrialoff-highway markets. Our engines are used in trucks of all sizes, buses and recreational vehicles, as well as in various industrial applications, including construction, mining, agriculture, marine, oilpower generation systems and gas, rail and military equipment.other off-highway applications. The Distribution segment includes wholly-owned and partially-owned distributorships engaged in wholesaling engines, generator sets and service parts, as well as performing service and repair activities on our products and maintaining relationships with various OEMs throughout the world. The Components segment sells filtration products, aftertreatment systems, turbochargers, fuel systems and fuel systems.transmissions. The Power GenerationSystems segment is an integrated power provider, of power systems, which designs, manufactures and sells engines (16 liters and larger) for industrial applications (including mining, oil and gas, marine and rail), standby and prime power generator sets, alternators and alternators.other power components.

Our financial performance depends, in large part, on varying conditions in the markets we serve, particularly the on-highway, construction and general industrial markets. Demand in these markets tends to fluctuate in response to overall economic conditions. Our sales may also be impacted by OEM inventory levels, and production schedules and stoppages. Economic downturns in markets we serve generally result in reduced sales of our products and can result in price reductions in certain products and/or markets. As a worldwide business, our operations are also affected by currency, political, economic and regulatory matters, including adoption and enforcement of environmental and emission standards, in the countries we serve. As part of our growth strategy, we invest in businesses in certain countries that carry high levels of these risks such as China, Brazil, India, Mexico, Russia and countries in the Middle East and Africa. At the same time, our geographic diversity and broad product and service offerings have helped limit the impact from a drop in demand in any one industry or customer or the economy of any single country on our consolidated results.

Worldwide revenues improved 1117 percent in 20142017 compared to 2013, primarily due to the improvements in North American on-highway demand and the consolidation of partially owned North American distributors.2016, with all operating segments reporting higher revenue. Revenue in the U.S. and Canada improved by 2015 percent primarily due to increased demand in the North American on-highway markets, driving salesincreased industrial demand (especially in both the Engineoil and Components segments, as well as improved Distribution segmentgas, construction and mining markets) and organic growth and higher sales related to the consolidationacquisition of partially-a North American distributor in the fourth quarter of 2016. International demand growth (excludes the U.S. and Canada) in 2017 improved revenues by 19 percent, with sales up in most of our markets,


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owned North American distributors since December 31, 2012. These increases were partially offset by
especially in China, Russia, India and the reducedU.K. The increase in international sales was primarily due to increased demand in the North American power generation markets primarily due to lower military sales. Amid the continued international economic uncertaintytruck market in 2014, our international revenues remained flat compared to 2013. International revenues increased in the Components segment, especially the emission solutions business in Western Europe and China, due to additional content as the result of new emission regulations while the Distribution segment revenues improved due to demand growth in AfricaIndia and Asia Pacific. These increases were offset by decreased international on-highway demand with decreased shipments of 7 percent and 11 percent in the heavy-duty and medium-duty truck markets, respectively, and decreasedincreased demand in international power generation markets.industrial markets (especially construction markets in China and mining markets in Europe).

On December 22, 2017, the U.S. enacted the Tax Cuts and Jobs Act (Tax Legislation).  Among other things, the Tax Legislation changed the U.S. statutory rate to 21 percent effective January 1, 2018.  The impact of the Tax Legislation resulted in a net incremental charge to our Consolidated Statements of Income of $777 million.  The components of the 2017 charge were as follows:
In millions
Impact of Tax Legislation(1)
Increase in income tax expense$781
Decrease in equity, royalty and other income from investees39
Increase in income attributable to noncontrolling interests(2)
(43)
Net impact of Tax Legislation$777

(1) See Note 2, "INCOME TAXES," Note 3, "INVESTMENTS IN EQUITY INVESTEES" and Note 16,
"NONCONTROLLING INTERESTS," to our Consolidated Financial Statements for additional information.
(2) Noncontrolling interest was reduced for withholding taxes on foreign earnings which reduced the income eliminated for non-
Cummins ownership interest attributable to Cummins India, Ltd.
The $781 million increase in tax expense is composed of three elements - the remeasurement of deferred taxes, a one-time transitional tax on unrepatriated earnings and withholding taxes on foreign earnings.
The following table contains sales and EBIT (defined as earnings before interest expense, taxesincome tax expense and noncontrolling interests)interests (EBIT) results by operating segment for the years ended December 31, 20142017 and 2013. Refer to2016. See the section titled "Operating Segment Results" for a more detailed discussion of net sales and EBIT by operating segment including the reconciliation of segment EBIT to net income before income taxes.

Operating Segmentsattributable to Cummins, Inc.
 
Operating Segments

 2014 2013 Percent change 2017 2016 Percent change
   
Percent
of Total
     
Percent
of Total
   2014 vs. 2013   
Percent
of Total
     
Percent
of Total
   2017 vs. 2016
In millions Sales EBIT Sales EBIT Sales EBIT Sales EBIT Sales EBIT Sales EBIT
Engine $10,962
 57 % $1,225
 $10,013
 58 % $1,041
 9 % 18 % $8,953
 44 % $959
 $7,804
 45 % $686
(1) 
15% 40 %
Distribution 5,174
 27 % 491
 3,749
 22 % 388
 38 % 27 % 7,058
 34 % 384
 6,181
 35 % 392
 14% (2)%
Components 5,118
 27 % 684
 4,342
 25 % 527
 18 % 30 % 5,889
 29 % 754
 4,836
 28 % 641
 22% 18 %
Power Generation 2,896
 15 % 168
 3,031
 18 % 218
 (4)% (23)%
Power Systems 4,058
 20 % 294
 3,517
 20 % 263
 15% 12 %
Intersegment eliminations (4,929) (26)% 
 (3,834) (23)% 
 29 % 
 (5,530) (27)% 
 (4,829) (28)% 
 15% 
Non-segment 
 
 (70) 
 
 (14) 
 NM
 
 
 55
 
 
 17
 
 NM
Total $19,221
 100 % $2,498
 $17,301
 100 % $2,160
 11 % 16 % $20,428
 100 % $2,446
 $17,509
 100 % $1,999
 17% 22 %

"NM" - not meaningful information

(1) The year ended December 31, 2016, included $138 million for loss contingency charges.See the "Results of Operations" section for additional information.
Net income attributable to Cummins Inc. for 20142017 was $1,651$999 million, or $9.02$5.97 per diluted share, on sales of $19.2$20.4 billion, compared to 20132016 net income attributable to Cummins Inc. of $1,483 million,$1.4 billion, or $7.91$8.23 per diluted share, on sales of $17.3$17.5 billion. The increasedecrease in net income attributable to Cummins Inc. and earnings per diluted share was driven by improved gross margin,a $777 million reduction for tax adjustments related to the Tax Legislation, increased selling, general and administrative expenses and higher research, development and engineering expenses, partially offset by higher selling, generalnet sales and administrative expenses.gross margin, lower charges for a loss contingency and higher equity, royalty and interest income from investees. The improvedincrease in gross margin was the result ofprimarily due to higher volumes, improved Distribution segment sales related to the consolidation of partially-owned North American distributors since December 31, 2012,leverage and lower material and commodity costs, and favorable mix, partially offset by unfavorable foreign currency fluctuations.higher warranty costs ($264 million primarily due to campaigns in the Engine, Components and Power Systems segments and changes in estimates in the Engine and Components segments) and increased variable compensation expense of $150 million. Diluted earnings per share for 2014 benefited $0.162017 was negatively impacted $4.65 per share due to the Tax Legislation, partially offset by a benefit of $0.04 per share from lowerfewer weighted-average shares outstanding, primarily due to purchases under the stock repurchase program. See Income Tax Expense section for additional information on the new Tax Legislation.


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Net income and diluted earnings per share attributable to Cummins, Inc., excluding special items were as follows:
              
   Years ended December 31,
   2017 2016 2015
In millions Net Income Diluted EPS Net Income Diluted EPS Net Income Diluted EPS
Net income attributable to Cummins Inc. $999
 $5.97
 $1,394
 $8.23
 $1,399
 $7.84
Add            
Impact of Tax Legislation(1)
 777
 4.65
 
 
 
 
Impairment of light-duty diesel assets, net of tax(2)
 
 
 
 
 133
 0.75
Restructuring actions and other charges, net of tax(3)
 
 
 
 
 61
 0.34
Net income attributable to Cummins Inc. excluding special items(4)
 $1,776
 $10.62
 $1,394
 $8.23
 $1,593
 $8.93

(1) See Note 2, "INCOME TAXES," to our Consolidated Financial Statements for additional information.
(2) See Note 19, "IMPAIRMENT OF LIGHT-DUTY DIESEL ASSETS," to our Consolidated Financial Statements for additional information.
(3) See Note 20, "RESTRUCTURING ACTIONS AND OTHER CHARGES," to our Consolidated Financial Statements for additional information.
(4) These measures are not in accordance with, or an alternative for, accounting principles generally accepted in the United States of America (GAAP) and
may not be consistent with measures used by other companies. It should be considered supplemental data.
We generated $2.3 billion of operating cash flows in 2014,2017, compared to $2.1$1.9 billion in 2013. Refer to2016. See the section titled "Operating Activities""Cash Flows" in the "Liquidity and Capital Resources""LIQUIDITY AND CAPITAL RESOURCES" section for a discussion of items impacting cash flows.
In September 2013,During 2017 we announced our intention to acquire the equity that we do not already own in mostrepurchased $451 million, or 2.9 million shares of our partially-owned United States and Canadian distributors over the next three to five years. During 2014, we spent $460 million on these acquisitions and the related debt retirements. We plan to spend an additional $170 million to $210 million on North American distributor acquisitions and the related debt retirements in 2015. Refer tocommon stock. See Note 2, "ACQUISITIONS,13, "SHAREHOLDERS' EQUITY," to the Consolidated Financial Statements for additional information.
During 2014,On July 31, 2017, we repurchased $670formed a joint venture with Eaton Corporation PLC by purchasing a 50 percent interest in the new venture named Eaton Cummins Automated Transmission Technologies (ECJV) for $600 million in cash. In addition, each partner contributed $20 million for working capital. The joint venture will design, assemble, sell and support medium-duty and heavy-duty automated transmissions for the commercial vehicle market, including new product launches. We consolidated the results of common stock under the 2012 Boardjoint venture in our Components segment as we have a majority voting interest in the venture by virtue of Directors authorized plan. In July 2014, our Boarda tie-breaking vote on the joint venture's board of Directors authorizeddirectors. See Note 18 "ACQUISITIONS," to the acquisition ofConsolidated Financial Statements for additional information.
On September 5, 2017, we entered into a 364-day credit facility that allows us to borrow up to $1 billion of additional common stock upon the completionunsecured funds at any time through September 2018. Revolving credit facilities are maintained primarily to provide backup liquidity for our commercial paper borrowings, letters of the 2012 repurchase plan.
In the fourth quarter of 2014, we exercised our option to extend the maturity date of our revolving credit agreement by one year from November 9, 2017, to November 9, 2018.
In December 2014, Moody's Investors Service, Inc. raised our rating to 'A2' and confirmed our outlook as stable.general corporate purposes.

In July 2014, the Board of Directors authorized a dividend increase of approximately 25 percent from $0.625 per share to $0.78 per share on a quarterly basis.

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Our debt to capital ratio (capital is(total capital defined as debt plus equity) at December 31, 2014,2017, was 17.319.7 percent, compared to 18.120.6 percent at December 31, 2013. As of the date of filing this Annual Report on Form 10-K,2016. At December 31, 2017, we had an 'A+' credit rating with a 'Stable' outlook from Standard & Poor’s Rating Services, an 'A' credit rating with a 'Stable' outlook from Fitch Ratings and an 'A2' credit rating with a 'Stable' outlook from Moody’s Investors Service, Inc. In addition to our $2.4$1.6 billion in cash and marketable securities on hand we have sufficientand access to our credit facilities, if necessary, to meet currently anticipated investment and funding needs. As of the date of filing this Annual Report on Form 10-K, our credit ratings were as follows:
Long-TermShort-Term
Credit Rating AgencySenior Debt RatingDebt RatingOutlook
Standard & Poor’s Rating ServicesA+A1Stable
Moody’s Investors Service, Inc.A2P1Stable
In July 2017, our Board of Directors authorized an increase to our quarterly dividend of 5.4 percent from $1.025 per share to $1.08 per share.
Our global pension plans, including our unfunded and non-qualified plans, were 108116 percent funded at December 31, 2014.2017. Our U.S. qualified plan,plans, which representsrepresent approximately 5655 percent of the worldwide pension obligation, was 119were 131 percent funded and our United Kingdom (U.K.) plan was 113U.K. plans were 118 percent funded. We expect to contribute $175approximately $38 million to our global pension plans in 2015. We anticipate2018. In addition, we expect our 2018 net periodic pension and other postretirement benefit cost in 2015 to increase by approximately $3 million pre-tax, or $0.01 per diluted share, when compared to 2014. The increase is due to lower discount rates and unfavorable demographics mostly offset by favorable expected return on asset performance. Refer toapproximate $79 million. See application of critical accounting estimates within MD&A and Note 11,10, "PENSION AND OTHER POSTRETIREMENT BENEFITS," to the Consolidated Financial Statements, for additional information concerning our pension and other post-retirement benefit plans.


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In the first quarter of 2018, we will expand our segment reporting and add an additional segment called Electrified Power. The segment will include Brammo Inc., a low voltage battery designer acquired in 2017, and our internally developed electrification business. We will begin reporting the new segment effective with our first quarter Form 10-Q.


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2015
Table of Contents


2018 OUTLOOK

Near-Term

We currently expectOur outlook reflects the following positive trends in 2015:
We expect the North American heavy-duty and medium-duty on-highway markets to increase in 2015 as compared to the market in 2014.
We expect the new ISG engine, which began production in the second quarter of 2014 with our Beijing Foton Cummins Engine Co., Ltd. joint venture, to continue to gain market share in China in its first full year of production.
We plan to continue acquiring our partially-owned North American distributors, which will increase our Distribution segment revenues.
Demand in some end markets in India are expected to begin to experience growth during the year.
We currently expect the following challenges to our business that may reducewe expect could impact our revenue and earnings potential in 2015:2018:
Power generationPositive Trends
North American heavy-duty truck demand is expected to improve.
North American medium-duty truck demand will remain strong.
Demand for pick up trucks in North America will remain strong.
Industry production of medium-duty trucks in North America will remain strong.
Market demand may continue to improve in global mining.
Global construction markets could continue to improve.
Economic conditions in Brazil may begin to improve, which could contribute to improved demand in our end-markets.
Challenges
Market demand in truck markets in China is expected to decline.
Marine markets are expected to remain weak.
Weak economic growth in Brazil could continue to negatively impact our on-highway and power generation businesses.
We do not anticipate end markets in China to improve.
Demand in certain European markets could remain weak due to continued political and economic uncertainty.
Growth in emerging markets could be negatively impacted if emission regulations are not strictly enforced.
Foreign currency volatility could continue to put pressure on revenue and earnings.
WeIn summary, we expect market demand to declineimprove or remain strong in the oil and gas markets as the result of the lower crude oil prices.
Domestic and international mining markets could continue to deteriorate if commodity prices weaken.
Long-Term
We believe that, over the longer term, there will be economic improvements in mostmany of our current markets and that our opportunities for long-term profitable growth will continue in the future as the result of the following four macroeconomic trends that will benefit our businesses:most important markets.
tightening emissions controls across the world;
infrastructure needs in emerging markets;
energy availability and cost issues; and
globalization of industries like ours.

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RESULTS OF OPERATIONS
       Favorable/(Unfavorable)       Favorable/(Unfavorable)
 Years ended December 31, 2014 vs. 2013 2013 vs. 2012 Years ended December 31, 2017 vs. 2016 2016 vs. 2015
In millions (except per share amounts) 2014 2013 2012 Amount Percent Amount Percent 2017 2016 2015 Amount Percent Amount Percent
NET SALES $19,221
 $17,301
 $17,334
 $1,920
 11 % $(33)  % $20,428
 $17,509
 $19,110
 $2,919
 17 % $(1,601) (8)%
Cost of sales 14,360
 13,021
 12,918
 (1,339) (10)% (103) (1)% 15,338
 13,057
 14,163
 (2,281) (17)% 1,106
 8 %
GROSS MARGIN 4,861
 4,280
 4,416
 581
 14 % (136) (3)% 5,090
 4,452
 4,947
 638
 14 % (495) (10)%
OPERATING EXPENSES AND INCOME          
   

          
   

Selling, general and administrative expenses 2,095
 1,817
 1,808
 (278) (15)% (9)  % 2,390
 2,046
 2,092
 (344) (17)% 46
 2 %
Research, development and engineering expenses 754
 713
 728
 (41) (6)% 15
 2 % 752
 636
 735
 (116) (18)% 99
 13 %
Equity, royalty and interest income from investees 370
 361
 384
 9
 2 % (23) (6)% 357
 301
 315
 56
 19 % (14) (4)%
Loss contingency charges 5
 138
 60
 133
 96 % (78) NM
Impairment of light-duty diesel assets 
 
 211
 
  % 211
 100 %
Restructuring actions and other charges 
 
 90
 
  % 90
 100 %
Other operating income (expense), net (17) (10) (10) (7) 70 % 
  % 65
 (5) (17) 70
 NM
 12
 71 %
OPERATING INCOME 2,365
 2,101
 2,254
 264
 13 % (153) (7)% 2,365
 1,928
 2,057
 437
 23 % (129) (6)%
Interest income 23
 27
 25
 (4) (15)% 2
 8 % 18
 23
 24
 (5) (22)% (1) (4)%
Interest expense 64
 41
 32
 (23) (56)% (9) (28)% 81
 69
 65
 (12) (17)% (4) (6)%
Other income (expense), net 110
 32
 24
 78
 NM
 8
 33 %
Other income, net 63
 48
 9
 15
 31 % 39
 NM
INCOME BEFORE INCOME TAXES 2,434
 2,119
 2,271
 315
 15 % (152) (7)% 2,365
 1,930
 2,025
 435
 23 % (95) (5)%
Income tax expense 698
 531
 533
 (167) (31)% 2
  % 1,371
 474
 555
 (897) NM
 81
 15 %
CONSOLIDATED NET INCOME 1,736
 1,588
 1,738
 148
 9 % (150) (9)% 994
 1,456
 1,470
 (462) (32)% (14) (1)%
Less: Net income attributable to noncontrolling interests 85
 105
 93
 20
 19 % (12) (13)%
Less: Net (loss) income attributable to noncontrolling interests (5) 62
 71
 67
 NM
 9
 13 %
NET INCOME ATTRIBUTABLE TO CUMMINS INC.
 $1,651
 $1,483
 $1,645
 $168
 11 % $(162) (10)% $999
 $1,394
 $1,399
 $(395) (28)% $(5)  %
Diluted earnings per common share attributable to Cummins Inc. $9.02
 $7.91
 $8.67
 $1.11
 14 % $(0.76) (9)% $5.97
 $8.23
 $7.84
 $(2.26) (27)% $0.39
 5 %

"NM" - not meaningful information

       Favorable/(Unfavorable)Percentage Points       Favorable/(Unfavorable) Percentage Points
Percent of sales 2014 2013 2012 2014 vs. 2013 2013 vs. 2012 2017 2016 2015 2017 vs. 2016 2016 vs. 2015
Gross margin 25.3% 24.7% 25.5% 0.6
 (0.8) 24.9% 25.4% 25.9% (0.5) (0.5)
Selling, general and administrative expenses 10.9% 10.5% 10.4% (0.4) (0.1) 11.7% 11.7% 10.9% 
 (0.8)
Research, development and engineering expenses 3.9% 4.1% 4.2% 0.2
 0.1
 3.7% 3.6% 3.8% (0.1) 0.2
20142017 vs. 20132016
Net Sales
Net sales increased $2.9 billion versus 20132016, primarily driven by the following:
Distribution segment sales increased by 38 percent primarily due to the acquisitions of North American distributors.
Engine segment sales increased by 9 percent due to higher demand in the North American on-highway markets.
Components segment sales increased by 1815 percent primarily due to higher demand in most North American on-highway markets and improved demand in most global construction markets.
Components segment sales increased 22 percent due to higher demand across all businesses, especially the emission solutions business, due to strong on-highway sales in India, North America Europe and China.
The increases were partially offset byDistribution segment sales increased 14 percent primarily due to an increase in organic sales and higher sales related to the following:acquisition of a North American distributor in the fourth quarter of 2016.
Power GenerationSystems segment sales decreased by 4increased 15 percent mainly due to lower volumes within power products, alternatorshigher demand in all product lines, especially in industrial markets, due to higher demand in global mining and power systems.North American oil and gas markets.
Foreign currency fluctuations unfavorably impacted sales by approximately 1 percent (primarily in Brazil and India).
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Sales to international markets (excluding the U.S. and Canada), based on location of customers, were 4442 percent of total net sales in 2014,2017, compared with 4842 percent of total net sales in 2013.2016.
A more detailed discussion of sales by segment is presented in the “OPERATING SEGMENT RESULTS”"Operating Segment Results" section.

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Gross Margin
Gross margin increased $638 million, primarily due to higher volumes, improved leverage and lower material costs, partially offset by $581higher warranty costs ($264 million primarily due to campaigns in the Engine, Components and Power Systems segments and changes in estimates in the Engine and Components segments) and increased variable compensation expense of $150 million. Gross margin decreased 0.5 points as a percentage of sales by 0.6 percentage points as higher volumes, improved Distribution segment sales relateddue to the consolidation of partially-owned North American distributors since December 31, 2012, lower material and commodityincreased warranty costs and favorable mix, were partially offset by unfavorable foreign currency fluctuations (primarily in Australia, Europe and Canada).increased variable compensation expense.
The provision for warranties issued, excluding campaigns, as a percentage of sales, was 2.01.8 percent in 20142017 and 2.11.7 percent in 2013.2016. A more detailed discussion of margin by segment is presented in the "OPERATING SEGMENT RESULTS""Operating Segment Results" section.
Selling, General and Administrative Expenses
Selling, general and administrative expenses increased $344 million, primarily due to higher compensation expenses ($257 million), especially variable compensation, and relatedhigher consulting expenses of $118 million and increased consulting fees of $28 million. These increases were significantly impacted by the acquisition of our partially owned North American distributors since December 31, 2012. Compensation and related expenses include salaries, fringe benefits and variable compensation.($52 million). Overall, selling, general and administrative expenses, as a percentage of sales, increased to 10.9remained flat at 11.7 percent in 2014 from 10.5 percent in 2013.2017 and 2016.
Research, Development and Engineering Expenses
Research, development and engineering expenses increased $116 million, primarily due to higherincreased compensation expense ($76 million), especially variable compensation, and related expenses of $44 million, partially offset by decreasedhigher consulting expenses of $7 million and increased expense recovery of $7 million. Compensation and related expenses include salaries, fringe benefits and variable compensation.($20 million). Overall, research, development and engineering expenses, as a percentage of sales, decreasedincreased to 3.93.7 percent in 20142017 from 4.13.6 percent in 2013.2016. Research activities continue to focus on development of new products to meet future emission standards around the world and improvements in fuel economy performance.
Equity, Royalty and Interest Income From Investees
Equity, royalty and interest income from investees increased $56 million, primarily due to the following:
In millions2014 vs. 2013 Increase/(Decrease)
Beijing Foton Cummins Engine Co., Ltd. (Light-duty)$11
Komatsu Cummins Chile, Ltda.4
Dongfeng Cummins Engine Company, Ltd.4
Chongqing Cummins Engine Company, Ltd.(7)
Beijing Foton Cummins Engine Co., Ltd. (Heavy-duty)(9)
North American distributors(22)
All other24
Cummins share of net income5
Royalty and interest income4
Equity, royalty and interest income from investees$9

The increases above were primarily due to increasedhigher earnings at Beijing Foton Cummins Engine Co., Ltd. (Light-duty), Komatsu Cummins Chile, Ltda. and Dongfeng Cummins Engine Company, Ltd., partially offset by the consolidationdespite $39 million of the partially-owned North American distributors since December 31, 2012 and losses at Beijing Foton Cummins Engine Co., Ltd. (Heavy-duty) as the result of increased expensesunfavorable impacts from Tax Legislation related to the production launchwithholding taxes on foreign earnings and remeasurement of the 2014 product in the second quarter of 2014.

As we execute our plan to acquire partially-owned distributors, we expect equity earnings for our North American distributors to decrease as the earnings will be included in our consolidated results.deferred taxes. See Note 2,, “ACQUISITIONS,” "INCOME TAXES," to our Consolidated Financial Statements for additional information.

Loss Contingency Charges
In 2017, we recorded a charge of $5 million in addition to the 2016 charge of $138 million for a loss contingency. See Note 12, "COMMITMENTS AND CONTINGENCIES," to theConsolidated Financial Statements for furtheradditional information.


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Other Operating Income (Expense), Net
Other operating income (expense), net was as follows:
 Years ended December 31, Years ended December 31,
In millions 2014 2013 2017 2016
Royalty income, net $50
 $28
Gain on sale of assets, net 20
 2
Loss on write off of assets $(23) $(14) (4) (18)
Amortization of intangible assets (16) (11) (12) (9)
Royalty expense (7) (4)
Legal matters (3) (2)
Royalty income 34
 20
Other, net (2) 1
 11
 (8)
Total other operating income (expense), net $(17) $(10) $65
 $(5)
Interest Income
Interest income decreased in 2014,$5 million primarily due to an interest income recovery of a loan previously deemed unrecoverablelower investment balances in the second quarter of 2013.China and Brazil.
Interest Expense
Interest expense increased as a result$12 million primarily due to higher weighted-average debt outstanding and hedge ineffectiveness on our interest rate swap.

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Table of the $1 billion debt issuance in September 2013.Contents


Other Income, (Expense), Net
Other income, (expense), net was as follows:
 Years ended December 31, Years ended December 31,
In millions 2014 2013 2017 2016
Gain on fair value adjustment for consolidated investee (1)
 $73
 $12
Change in cash surrender value of corporate owned life insurance 24
 12
 $50
 $18
Gain on marketable securities, net 14
 13
Rental income 7
 5
Dividend income 3
 5
 5
 5
Foreign currency loss, net (6) (27)
Gain on sale of equity investee (1)
 
 17
Gains on fair value adjustment for consolidated investees (2)
 
 15
Foreign currency, net (6) (12)
Bank charges (12) (10) (10) (9)
Other, net 14
 27
 17
 9
Total other income (expense), net $110
 $32
Total other income, net $63
 $48

(1) See Note 2, “ACQUISITIONS,3, "INVESTMENTS IN EQUITY INVESTEES," to the Consolidated Financial Statements for more details.additional information.
(2) See Note 18, "ACQUISITIONS," to the Consolidated Financial Statements for additional information.
Income Tax Expense
Our income tax rates are generally less than the 35 percent U.S. statutory income tax rate, primarily because of lower taxes on foreign earnings and research tax credits. On December 22, 2017, the U.S. enacted the Tax Cuts and Jobs Act (Tax Legislation). The Tax Legislation changed the U.S. statutory rate to 21 percent effective January 1, 2018. Our effective tax rate for 20142017 was 28.758.0 percent compared to 25.124.6 percent for 2013.2016. The 3.6 percent increase in the effective tax rate from 2013 to 2014 is partially due to a 1.2 percent net tax benefit for one-time items in 2013 that did not repeat in 2014. These 2013 one-time items consisted primarilyimpacts of the 2012 federal researchTax Legislation resulted in additional income tax credit that was reinstated during 2013. Theexpense of $781 million to our tax provision (excluding the noncontrolling interest and equity investee adjustments). See Note 2, "INCOME TAXES," to our Consolidated Financial Statements for additional 2.4 percent increase in tax rate from 2013 to 2014 is attributable primarily to the following unfavorable items that occurred in 2014: a tax law change in the U.K. resulting in a higher limitation on the deductibility of interest; unfavorable changes in the jurisdictional mix of pretax income; and increases in state valuation allowances.information.

We evaluate the recoverability of our deferred tax assets each quarter by assessing the likelihood of future profitability and available tax planning strategies that could be implemented to realize our net deferred tax assets. At December 31, 2014, we recorded net deferred tax assets of $184 million. These assets included $190 million for the value of tax loss and credit carryforwards. A valuation allowance of $144 million was recorded to reduce the tax assets to the net value management believed was more likely than not to be realized. In the event our operating performance deteriorates, future assessments could conclude that a larger valuation allowance will be needed to further reduce the deferred tax assets.


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We expect our 20152018 effective tax rate to be 29.523 percent, excluding any discrete items (including adjustments to provisional estimates) that may arise. The research tax credit expired December 31, 2014, and has not yet been renewed by Congress. If the research credit is reinstated during 2015, we would anticipate the 2015 effective tax rate to be reduced to 28.5 percent, consistent with the 2014 rate of 28.7 percent.
Noncontrolling Interests
Noncontrolling interests eliminate the income or loss attributable to non-Cummins ownership interests in our consolidated entities. Noncontrolling interests in income of consolidated subsidiaries decreased $67 million primarily due to a $23the $43 million decline fromimpact of Tax Legislation on Cummins India Ltd. regarding withholding taxes on foreign earnings, the acquisition of the remaining interest in previously consolidated North American distributors since December 31, 2012.Wuxi Cummins Turbo Technologies Co. Ltd. in the fourth quarter of 2016 and elimination of the net loss of ECJV.
Net Income Attributable to Cummins Inc. and Diluted Earnings Per Common Share Attributable to Cummins Inc.
Net income and diluted earnings per share attributable to Cummins Inc. increaseddecreased primarily due to higher gross margin, mainly driven by improved volumes and improved Distribution segment sales related to the consolidation$777 million impact of partially-owned North American distributors since December 31, 2012. These increases were partially offset by higherTax Legislation, increased selling, general and administrative expenses and higher research, development and engineering expenses, partially offset by higher net sales and gross margin, lower charges for a loss contingency and higher effective tax rate of 28.7 percent in 2014 versus 25.1 percent in 2013.equity, royalty and interest income from investees. Diluted earnings per share for 2014 benefited $0.162017 was negatively impacted $4.65 per share due to the Tax Legislation, partially offset by a benefit of $0.04 per share from lowerfewer weighted-average shares outstanding, primarily due to purchases under the stock repurchase program. See Note 2, "INCOME TAXES," to our Consolidated Financial Statements for additional information.
20132016 vs. 20122015
Net Sales
Net sales decreased slightly$1.6 billion versus 2012 and was2015, primarily driven by the following:
Engine segment sales decreased by 710 percent primarily due to lower demand in the power generation markets, weaker demand in the North American heavy-duty truckand medium-duty on-highway markets and continued weaknesslower demand in industrial demand, primarilymost North American off-highway markets, partially offset by increased sales in off-high-way mining markets.the light-duty automotive market.
Power GenerationSystems segment sales decreased by 714 percent primarily due to lower demand in all product lines and decreased sales in most regions with the power solutions business,largest declines in North America, Asia, China, Latin America, the Middle East, Africa and Western Europe.

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Components segment sales decreased 6 percent primarily in the U.K., anddue to lower demand in the power systems and the alternators businessesmost lines of business, principally in internationalNorth American on-highway markets, partially offset by improvementshigher demand in the North American power product business.China.
Foreign currency fluctuations unfavorably impacted sales by 1 percent.
The decreases were partially offset by the following:
Distribution segment sales increased by 14approximately 2 percent primarily duein the British pound, Chinese renminbi, Indian rupee, Brazilian real, South African rand, Canadian dollar and Australian dollar.
Sales to incrementalinternational markets (excluding the U.S. and Canada), based on location of customers, were 42 percent of total net sales in 2013 related to the consolidation2016, compared with 39 percent of partially-owned North American distributors since June 2012.
Components segmenttotal net sales increased by 8 percent due to higher sales within the emission solutions business, mainly related to improved on-highway OEM and aftermarket demand in North America, a full year of sales from Hilite which was acquired in the third quarter of 2012, 2013 pre-buy activity in anticipation of the Euro VI emission standards and growth in the medium-duty Brazilian truck market resulting in improved aftertreatment demand.2015.
A more detailed discussion of sales by segment is presented in the "OPERATING SEGMENT RESULTS""Operating Segment Results" section.
Sales to international markets (excluding the U.S. and Canada) were 48 percent of total net sales in 2013, compared with 49 percent of total net sales in 2012.
Gross Margin
Gross margin decreased by $125$495 million and 0.5 points as a percentage of sales, by 0.7 percentage points. The decrease in gross margin as a percentage of sales was primarily due to a declinelower volumes, unfavorable mix and unfavorable foreign currency fluctuations (primarily in demand for high-horsepower enginesthe Brazilian real, South African rand and gensets,Canadian dollar), partially offset by improved price realization, lower material and commodity costs, improved Distribution segment margins related to the acquisition of North American distributors since December 31, 2014 and the absence of 2012 restructuring charges of $29 million.lower warranty expense.
The provision for warranties issued, excluding campaigns, as a percentage of sales was 2.11.7 percent in both 20132016 and 2012.1.8 percent in 2015. A more detailed discussion of margin by segment is presented in the "OPERATING SEGMENT RESULTS""Operating Segment Results" section.

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Selling, General and Administrative Expenses
Selling, general and administrative expenses increaseddecreased $46 million, primarily due to incremental costs in 2013 related to the acquisition of partially owned North American distributors since June 2012. These costs primarily contributed to increasedlower compensation and related expenses of $57$56 million partially offset by lower consultingas a result of $24 million,restructuring actions taken in the absencefourth quarter of 2012 restructuring charges of $20 million and reduced discretionary spending. Higher compensation expense was primarily due to increased headcount to support our strategic growth initiatives.2015. Compensation and related expenses include salaries, fringe benefits and variable compensation. Overall, selling, general and administrative expenses, as a percentage of sales, increased to 11.111.7 percent in 20132016 from 11.010.9 percent in 2012.2015.
Research, Development and Engineering Expenses
Research, development and engineering expenses decreased $99 million, primarily due to reduced project spending in most of our segments, decreased compensation expenses as a result of restructuring actions taken in the fourth quarter of 2015, and lower consulting of $30 million and decreased engineering program spending of $23 million, partially offset by increases of $52 million in compensation related expenses. Higher compensation expense was primarily due to increased headcount to support our strategic growth initiatives. Compensation and related expenses include salaries and fringe benefits. Overall, research, development and engineering expenses, as a percentage of sales, decreased to 4.13.6 percent in 20132016 from 4.23.8 percent in 2012.2015. Research activities continue to focus on development of new products to meet future emission standards around the world and improvements in fuel economy performance.
Equity, Royalty and Interest Income From Investees
Equity, royalty and interest income from investees decreased primarily due to the following:
In millions2013 vs. 2012 Increase/(Decrease)
North American distributors$(18)
Cummins Westport, Inc.(10)
Beijing Foton Cummins Engine Co., Ltd. (Heavy-duty)(8)
Tata Cummins, Ltd.(6)
Dongfeng Cummins Engine Company, Ltd.11
Beijing Foton Cummins Engine Co., Ltd. (Light-duty)12
All other(3)
Cummins share of net income(22)
Royalty and interest income(1)
Equity, royalty and interest income from investees$(23)
The decreases above were$14 million, primarily due to the consolidation of the partially-owned North American distributors acquired in 2013, unfavorable warranty accruals at Cummins Westport, Inc., an impaired equity investment within Power Generationof $12 million and additional start-up costslower earnings at Beijing Foton Cummins Engine Co., Ltd. (Heavy-duty),of$10 million, partially offset by increased demandhigher earnings at Beijing Foton Cummins Engine Co., Ltd (Light-duty)other joint ventures.

Loss Contingency Charges
In 2016, we recorded charges of $138 million in addition to the 2015 charge of $60 million for a loss contingency. See Note 12, "COMMITMENTS AND CONTINGENCIES," to the Consolidated Financial Statements for additional information.
Impairment of Light-duty Diesel Assets
In 2015, we recognized an impairment charge of $211 million on our light-duty diesel assets. See Note 19, "IMPAIRMENT OF LIGHT-DUTY DIESEL ASSETS," to the Consolidated Financial Statements for additional information.
Restructuring Actions and Dongfeng Cummins Engine Company, Ltd.Other Charges
In 2015, we incurred a charge of $90 million, which included $86 million for the severance costs related to both voluntary and involuntary terminations and $4 million for asset impairments and other charges. See Note 20, "RESTRUCTURING ACTIONS AND OTHER CHARGES," to the Consolidated Financial Statements for additional information.

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Other Operating Income (Expense), Net
Other operating income (expense), net was as follows:
 Years ended December 31, Years ended December 31,
In millions 2013 2012 2016 2015
Loss on write off of assets $(14) $(6) $(18) $(15)
Amortization of intangible assets (11) (8) (9) (18)
Royalty expense (4) (3)
Legal matters (2) (20)
Royalty income 20
 18
Gain on sale of business 
 6
Royalty income, net 28
 20
Other, net 1
 3
 (6) (4)
Total other operating income (expense), net $(10) $(10) $(5) $(17)

Interest Income
Interest income was relatively flat compared to 2012.2015.

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Interest Expense
Interest expense increased $4 million versus the comparable period in 2015, primarily due to the $1 billionan increase in total weighted-average debt issuance in September 2013.outstanding.
Other Income, (Expense), Net
Other income, (expense), net was as follows:
 Years ended December 31, Years ended December 31,
In millions 2013 2012 2016 2015
Gain on marketable securities, net $13
 $3
Gain on fair value adjustment for consolidated investee (1)
 12
 7
Change in cash surrender value of corporate owned life insurance 12
 5
 $18
 $(3)
Gain on sale of equity investee (1)
 17
 
Gains on fair value adjustment for consolidated investees (2)
 15
 18
Dividend income 5
 7
 5
 3
Gain on sale of equity investment 
 13
Bank charges (10) (15) (9) (9)
Foreign currency loss, net (27) (14)
Foreign currency, net (12) (18)
Other, net 27
 18
 14
 18
Total other income (expense), net $32
 $24
Total other income, net $48
 $9

(1) See Note 2, “ACQUISITIONS,3, "INVESTMENTS IN EQUITY INVESTEES," to the Consolidated Financial Statements for more details.additional information.
(2) See Note 18, "ACQUISITIONS," to the Consolidated Financial Statements for additional information.
Income Tax Expense
Our income tax rates are generally less than the 35 percent U.S. statutory income tax rate primarily because of lower taxes on foreign earnings and research tax credits. Our effective tax rate for 20132016 was 25.124.6 percent compared to 23.527.4 percent for 2012. As a result of a restructuring of our foreign operations2015. The 2.8 percent decrease in 2013, our 2013 effective tax rate was approximately 1 percent less than it would have been without restructuring. On January 2, 2013, the American Taxpayer Relief Act of 2012 was signed into law and reinstated the research tax credit back to 2012. As tax law changes are accounted for in the period of enactment, we recognized a $28 million discrete tax benefit in the first quarter of 2013. We also recognized a discrete tax expense of $17 million in the first quarter which primarily related to the write-off of a deferred tax asset deemed unrecoverable. Also included in 2013 was a third quarter discrete net tax expense of $7 million primarily related to U.S. federal tax return true-up adjustments and the third quarter enactment of U.K tax law changes. Additionally, our effective tax rate for 2013 also included a fourth quarter discrete net tax benefit of $21 millionfrom 2015 to 2016 was primarily due to favorable changes in the releasejurisdictional mix of U.S. deferred tax liabilities related to prior years unremitted income of certain Indian and Mexican subsidiaries now considered to be permanently reinvested, as well as adjustments to our income tax accounts principally based on our 2012 state tax return filings. Our 2012 income tax provision included a one-time $134 million tax benefit which resulted from tax planning strategies and tax return elections made with respect to our U.K. operations.

We evaluate the recoverability of our deferred tax assets each quarter by assessing the likelihood of future profitability and available tax planning strategies that could be implemented to realize our net deferred tax assets. At December 31, 2013, we recorded net deferred tax assets of $177 million. These assets included $187 million for the value of tax loss and credit carryforwards. A valuation allowance of $101 million was recorded to reduce the tax assets to the net value management believed was more likely than not to be realized. In the event our operating performance deteriorates, future assessments could conclude that a larger valuation allowance will be needed to further reduce the deferred tax assets.pre-tax income.
Noncontrolling Interests
Noncontrolling interests in income of consolidated subsidiaries increased reflecting our minority's share of higher profits of $7decreased $9 million at Cummins Western Canada LP, $6 million at Wuxi Cummins Turbo Technologies Co. Ltd. and $4 millionprimarily due to lower earnings as a result of the acquisitionconsolidation of a majority interest in Cummins Central Power LLC (Central Power) in the third quarter of 2012. The increases were partially offset by a total decrease of $8 millionNorth American distributors since December 31, 2014 and lower earnings at Cummins India Ltd.

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Net Income Attributable to Cummins Inc. and Diluted Earnings Per Common Share Attributable to Cummins Inc.
Net income and diluted earnings per share attributable to Cummins Inc. decreased primarily due towas relatively flat as significantly lower gross margin as a percentage of sales, mainly driven by unfavorable product mix and lower volumes, particularly in the Engine segment and Power Generation segment, a higher effective tax rate of 25.1 percent versus 23.5 percent in 2012, lower equity, royalty and interest income from investees, mainly due to the acquisition of the North American distributors, and higher selling, generalloss contingency charges were mostly offset by the absence of 2015 impairment and administrative expenses. These decreases were partially offset byrestructuring charges, in addition to lower research, development and engineering expenses.expenses, a lower effective tax rate, lower selling, general and administrative expenses and favorable changes to corporate owned life insurance. Diluted earnings per share for 20132017 benefited $0.06$0.26 per share from lower shares outstanding, primarily due to purchases under the stock repurchase program.

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Comprehensive Income - Foreign Currency Translation Adjustment
The foreign currency translation adjustment was a net gain (loss) of $335 million, $(448) million and $(305) million for the years ended December 31, 2017, 2016 and 2015, respectively, and was driven by the following:
  Years ended December 31,
  2017 2016 2015
In millions Translation adjustment Primary currency driver vs. U.S. dollar Translation adjustment Primary currency driver vs. U.S. dollar Translation adjustment Primary currency driver vs. U.S. dollar
Wholly-owned subsidiaries $255
 British pound, Chinese renminbi, Indian rupee $(397) British pound, Chinese renminbi, offset by Brazilian real $(261) British pound, Brazilian real, Chinese renminbi
Equity method investments 60
 Chinese renminbi, Russian ruble, Indian rupee (34) Chinese renminbi, Indian rupee, offset by Mexican peso (29) Chinese renminbi, Indian rupee
Consolidated subsidiaries with a noncontrolling interest 20
 Indian rupee (17) Chinese renminbi, Indian rupee (15) Indian rupee, Chinese renminbi
Total $335
   $(448)   $(305)  


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OPERATING SEGMENT RESULTS
Our reportable operating segments which consist of the Engine, Distribution, Components and Power Generation segments,Systems segments. This reporting structure is organized according to the products and markets each segment serves. We use segment EBIT (defined as earnings before interest expense, taxes and noncontrolling interests) as a primary basis for the chief operating decision-makerChief Operating Decision Maker to evaluate the performance of each of our operating segments. Segment amounts exclude certain expenses not specifically identifiable to segments.
The accounting policies of our operating segments are See Note 21, "OPERATING SEGMENTS," to the same as those applied in our Consolidated Financial Statements. We prepared the financial results of our operating segments on a basis that is consistent with the manner in which we internally disaggregate financial information to assist in making internal operating decisions. We have allocated certain common costs and expenses, primarily corporate functions, among segments differently than we would for stand-alone financial information prepared in accordance with accounting principles generally accepted in the United States of America (GAAP). These include certain costs and expenses of shared services, such as information technology, human resources, legal and finance. We also do not allocate debt-related items, actuarial gains or losses, prior service costs or credits, changes in cash surrender value of corporate owned life insurance or income taxes to individual segments. Segment EBIT may not be consistent with measures used by other companies.additional information.
Following is a discussion of operating results for each of our businessoperating segments.
Engine Segment Results
Financial data for the Engine segment was as follows:
       Favorable/(Unfavorable)       Favorable/(Unfavorable)
 Years ended December 31, 2014 vs. 2013 2013 vs. 2012 Years ended December 31, 2017 vs. 2016 2016 vs. 2015
In millions 2014 2013 2012 Amount Percent Amount Percent 2017 2016 2015 Amount Percent Amount Percent
External sales(1) $8,437
 $8,270
 $9,101
 $167
 2 % $(831) (9)% $6,661
 $5,774
 $6,733
 $887
 15 % $(959) (14)%
Intersegment sales(1) 2,525
 1,743
 1,632
 782
 45 % 111
 7 % 2,292
 2,030
 1,937
 262
 13 % 93
 5 %
Total sales 10,962
 10,013
 10,733
 949
 9 % (720) (7)% 8,953
 7,804
 8,670
 1,149
 15 % (866) (10)%
Depreciation and amortization 207
 205
 192
 (2) (1)% (13) (7)% 184
 163
 187
 (21) (13)% 24
 13 %
Research, development and engineering expenses 438
 416
 433
 (22) (5)% 17
 4 % 279
 226
 263
 (53) (23)% 37
 14 %
Equity, royalty and interest income from investees 147
 136
 127
 11
 8 % 9
 7 % 219
 148
 146
 71
 48 % 2
 1 %
Interest income 12
 16
 11
 (4) (25)% 5
 45 % 6
 10
 11
 (4) (40)% (1) (9)%
Loss contingency charges (2)
 5
 138
 60
 133
 96 % (78) NM
Impairment of light-duty diesel assets (2)
 
 
 202
 
  % 202
 100 %
Restructuring actions and other charges (2)
 
 
 17
 
  % 17
 100 %
Segment EBIT 1,225
 1,041
 1,248
 184
 18 % (207) (17)% 959
 686
 636
 273
 40 % 50
 8 %
                            
       Percentage Points Percentage Points       Percentage Points Percentage Points
Segment EBIT as a percentage of total sales 11.2% 10.4% 11.6%   0.8
   (1.2) 10.7% 8.8% 7.3%   1.9
   1.5

"NM" - not meaningful information
40

Table(1)Due to the acquisitions of ContentsNorth American distributors, sales previously recognized as external sales are now included in intersegment sales.
(2)See respective sections of "Results of Operations" for additional information.

Sales for our Engine segment sales by market were as follows:
       Favorable/(Unfavorable)       Favorable/(Unfavorable)
 Years ended December 31, 2014 vs. 2013 2013 vs. 2012 Years ended December 31, 2017 vs. 2016 2016 vs. 2015
In millions 2014 2013 2012 Amount Percent Amount Percent 2017 2016 2015 Amount Percent Amount Percent
Heavy-duty truck $3,139
 $2,705
 $2,964
 $434
 16 % $(259) (9)% $2,840
 $2,443
 $3,116
 $397
 16% $(673) (22)%
Medium-duty truck and bus 2,530
 2,185
 2,091
 345
 16 % 94
 4 % 2,513
 2,272
 2,507
 241
 11% (235) (9)%
Light-duty automotive and RV 1,436
 1,300
 1,279
 136
 10 % 21
 2 %
Light-duty automotive 1,727
 1,581
 1,475
 146
 9% 106
 7 %
Total on-highway 7,105
 6,190
 6,334
 915
 15 % (144) (2)% 7,080
 6,296
 7,098
 784
 12% (802) (11)%
Industrial 3,040
 2,996
 3,233
 44
 1 % (237) (7)%
Stationary power 817
 827
 1,166
 (10) (1)% (339) (29)%
Off-highway 1,873
 1,508
 1,572
 365
 24% (64) (4)%
Total sales $10,962

$10,013
 $10,733
 $949
 9 % $(720) (7)% $8,953

$7,804
 $8,670
 $1,149
 15% $(866) (10)%

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Unit shipments by engine classification (including unit shipments to Power Generation)Systems and off-highway engine units included in their respective classification) were as follows:
       Favorable/(Unfavorable)       Favorable/(Unfavorable)
 Years ended December 31, 2014 vs. 2013 2013 vs. 2012 Years ended December 31, 2017 vs. 2016 2016 vs. 2015
 2014 2013 2012 Amount Percent Amount Percent 2017 2016 2015 Amount Percent Amount Percent
Midrange 471,200
 446,000
 440,500
 25,200
 6% 5,500
 1 %
Heavy-duty 122,100
 105,400
 119,100
 16,700
 16% (13,700) (12)% 95,900
 79,000
 114,400
 16,900
 21% (35,400) (31)%
High-horsepower 14,800
 14,800
 19,800
 
 % (5,000) (25)%
Medium-duty 268,100
 229,100
 247,100
 39,000
 17% (18,000) (7)%
Light-duty 257,500
 228,600
 209,300
 28,900
 13% 19,300
 9 %
Total unit shipments 608,100

566,200

579,400
 41,900
 7% (13,200) (2)% 621,500

536,700

570,800
 84,800
 16% (34,100) (6)%
20142017 vs. 20132016
Sales
Engine segment sales increased $1.1 billion versus 2013.2016. The following arewere the primary drivers by market:
Heavy-duty truck engine sales increased $397 million primarily due to higher demand in North American heavy-duty truck markets with increased shipments of 20 percent.
Off-highway sales increased $365 million primarily due to improved demand in the North American heavy-duty truck marketglobal industrial markets, especially in international construction markets, with higher engineincreased unit shipments of 29 percent.54 percent primarily in China and Western Europe.
Medium-duty truck and bus sales increased $241 million primarily due to market share gainshigher demand in the North American medium-duty truck markets with increased engine shipments of 20 percent.
Light-duty automotive sales increased $146 million primarily due to higher sales to Chrysler and bus markets,higher sales of light commercial vehicles, partially offset by weaker international demand.
Light-duty automotive and RVlower sales increased primarily due to a 9 percent increase in units shipped to Chrysler.
The increases above were partially offset by unfavorable foreign currency fluctuations (primarily in Brazil and India).Nissan.
Total on-highway-related sales for 20142017 were 6579 percent of total engine segment sales, compared to 6281 percent in 2013.2016.
Segment EBIT
Engine segment EBIT increased $273 million versus 2013,2016, primarily due to higherimproved gross margin, lower loss contingency charges and higherincreased equity, royalty and interest income from investees, partially offset by higher selling, general and administrative expenses and higher research, development and engineering expenses. Major components of EBIT and related changes to segment EBIT and EBIT as a percentage of sales were as follows:
 Year ended December 31, 2014 vs. 2013 Year ended December 31, 2017 vs. 2016
 Favorable/(Unfavorable) Change Favorable/(Unfavorable) Change
In millions Amount Percent 
Percentage point change
as a percent of sales
 Amount Percent 
Percentage point change
as a percent of sales
Gross margin $274
 13 % 0.6
 $195
 13 % (0.2)
Selling, general and administrative expenses (67) (8)% 0.1
 (89) (16)% 
Research, development and engineering expenses (22) (5)% 0.2
 (53) (23)% (0.2)
Equity, royalty and interest income from investees 11
 8 % (0.1) 71
 48 % 0.5
Loss contingency charge(1)
 133
 96 % 1.7

__________________________________________________________________________
(1) See Note 12 , "COMMITMENTS AND CONTINGENCIES," to the Consolidated Financial Statements for additional information.

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The increase in gross margin versus 20132016 was primarily due to higher volumes, favorable mix, decreased materialpartially offset by increased warranty costs for campaigns, changes in estimates and commodityhigher variable compensation expense. Gross margin as a percentage of sales declined primarily due to the increased warranty costs and improved pricing.increased variable compensation expense. The increase in selling, general and administrative expenses was primarily due to increased headcounthigher compensation expense, especially variable compensation expense, and higher variable compensation expense.consulting expenses. The increase in research, development and engineering expenses was primarily due to lowerhigher compensation expense, recovery, increased consulting, increasedespecially higher variable compensation expense, and increased investment to support new product initiatives.higher consulting expenses. The increase in equity, royalty and interest income from investees was primarily due to higher earnings at Beijing Foton Cummins Engine Co. and Dongfeng Cummins Engine Company, Ltd., Ltd. (Light-duty).despite unfavorable impacts from Tax Legislation related to withholding taxes on foreign earnings and remeasurement of deferred taxes of $23 million.
20132016 vs. 20122015
Sales
Engine segment sales decreased $866 million versus 20122015. The following were the primary drivers by market:
Heavy-duty truck sales decreased $673 million primarily due to lower demand in stationary power,the North American heavy-duty truck market with decreased engine shipments of 38 percent.
Medium-duty truck and industrial businesses, partially offset by the medium-duty truck business. The following are the primary drivers by market:
Stationary power enginebus sales decreased $235 million primarily due to lower demand in power generation markets.most global medium-duty truck markets with decreased engine shipments of 17 percent, primarily in North America, Brazil and Mexico.
Heavy-duty truck engineOff-highway sales decreased due to weaker demand in North American on-highway markets during the first half of the year compared to the recovery experienced in the first half of 2012 as trucking companies replaced aging fleets.
Industrial market sales decreased$64 million primarily due to a 36 percent reduction in global mining shipments as a result of lower commodity prices and a 37 percent decline indecreased engine shipments toin several North American oil and gasindustrial markets, partially offset by increased unit shipments to the Western Europeanof 25 percent in international construction markets as a result of the pre-buy activity in 2013 ahead of the Tier IV emission regulations beginning in the first quarter of 2014.
Foreign currency fluctuations unfavorably impacted sales.markets.
The decreases above were partially offset by the following:
Medium-duty truck enginean increase in light-duty automotive sales increased due to market share gains in the North American medium-duty truck market and improved demand in the Brazilian and European truck markets. The improved sales in Brazil wereof $106 million primarily due to lowernew sales for the Nissan pickup truck platform launched in the firstsecond half of 2012 as the result of the implementation of the Euro V emission regulations beginning in the first quarter of 2012.2015.
Total on-highway-related sales for 20132016 were 6281 percent of total engine segment sales, compared to 5982 percent in 2012.2015.
Segment EBIT
In 2016, we recorded additional charges of $138 million for an existing loss contingency in addition to the $60 million recorded in 2015. In 2015, we also incurred an impairment charge of $202 million for our light-duty diesel assets and incurred a restructuring charge of $17 million for actions primarily in the form of professional voluntary and involuntary employee separation programs in response to the continued deterioration in our global markets.
Engine segment EBIT decreasedincreased $50 million versus 2012,2015, primarily due to an impairment of light-duty diesel assets in 2015, lower gross margin, partially offset byselling, general and administrative expenses, lower research, development and engineering expenses and restructuring actions and other charges in 2015, partially offset by lower gross margin and higher loss contingency charges in 2016. Major components of EBIT and related changes to segment EBIT and EBIT as a percentage of sales were as follows:

  Year ended December 31, 2016 vs. 2015
  Favorable/(Unfavorable) Change
In millions Amount Percent 
Percentage point change
as a percent of sales
Gross margin $(210) (13)% (0.6)
Selling, general and administrative expenses 72
 11 % 0.1
Research, development and engineering expenses 37
 14 % 0.1
Equity, royalty and interest income from investees 2
 1 % 0.2
Impairment of light-duty diesel assets (1)
 202
 100 % 2.3
Restructuring actions and other charges (1)
 17
 100 % 0.2
Loss contingency charge (2)
 (78) NM
 1.1
__________________________________________________________________________
"NM" - not meaningful information
(1) See respective sections of "Results of Operations" for additional information.
(2) See Note 12 , "COMMITMENTS AND CONTINGENCIES," to the Consolidated Financial Statements for additional information.

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The decrease in gross margin versus 2015 was primarily due to lower volumes and unfavorable mix, partially offset by lower material and commodity costs and favorable product coverage. The decrease in selling, general and administrative expenses was primarily due to lower compensation expenses as the result of restructuring actions taken in the fourth quarter of 2015, and lower consulting expenses. The decrease in research, development and engineering expenses was primarily due to lower compensation expenses as a result of restructuring actions taken in the fourth quarter of 2015 and higher expense recovery from customers and external parties.
Distribution Segment Results
Financial data for the Distribution segment was as follows:
        Favorable/(Unfavorable)
  Years ended December 31, 2017 vs. 2016 2016 vs. 2015
In millions 2017 2016 2015 Amount Percent Amount Percent
External sales $7,029
 $6,157
 $6,198
 $872
 14 % $(41) (1)%
Intersegment sales 29
 24
 31
 5
 21 % (7) (23)%
Total sales 7,058

6,181

6,229
 877
 14 % (48) (1)%
Depreciation and amortization 116
 116
 105
 
  % (11) (10)%
Research, development and engineering expenses 19
 13
 10
 (6) (46)% (3) (30)%
Equity, royalty and interest income from investees 44
 70
 78
 (26) (37)% (8) (10)%
Interest income 6
 4
 4
 2
 50 % 
  %
Restructuring actions and other charges (1)
 
 
 23
 
  % 23
 100 %
Segment EBIT (2)
 384
 392
 412
 (8) (2)% (20) (5)%
               
        Percentage Points Percentage Points
Segment EBIT as a percentage of total sales (3)
 5.4% 6.3% 6.6%   (0.9)   (0.3)

(1)
See Restructuring Actions and Other Charges section of "Results of Operations" for additional information.
(2)
Segment EBIT for 2016 and 2015 included gains of $15 million and $18 million, respectively, resulting from acquisitions of controlling interests in North American distributors. See Note 18, "ACQUISITIONS," to the Consolidated Financial Statements for additional information.
(3)
North American distributor acquisitions are dilutive to segment EBIT as a percentage of sales.
In the first quarter of 2017, our Distribution segment reorganized its regions to align with how the segment is managed. All prior year amounts have been reclassified to conform to our new regional structure. Sales for our Distribution segment by region were as follows:
        Favorable/(Unfavorable)
  Years ended December 31, 2017 vs. 2016 2016 vs. 2015
In millions 2017 2016 2015 Amount Percent Amount Percent
North America $4,733
 $3,973
 $3,957
 $760
 19 % $16
  %
Asia Pacific 767
 720
 763
 47
 7 % (43) (6)%
Europe 440
 440
 426
 
  % 14
 3 %
Africa and Middle East 327
 366
 431
 (39) (11)% (65) (15)%
China 267
 235
 224
 32
 14 % 11
 5 %
India 190
 175
 165
 15
 9 % 10
 6 %
Russia 167
 123
 108
 44
 36 % 15
 14 %
Latin America 167
 149
 155
 18
 12 % (6) (4)%
Total sales $7,058
 $6,181
 $6,229
 $877
 14 % $(48) (1)%

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Sales for our Distribution segment by product line were as follows:
        Favorable/(Unfavorable)
  Years ended December 31, 2017 vs. 2016 2016 vs. 2015
In millions 2017 2016 2015 Amount Percent Amount Percent
Parts $3,040
 $2,627
 $2,423
 $413
 16% $204
 8 %
Engines 1,369
 1,100
 1,294
 269
 24% (194) (15)%
Power generation 1,337
 1,239
 1,290
 98
 8% (51) (4)%
Service 1,312
 1,215
 1,222
 97
 8% (7) (1)%
Total sales $7,058

$6,181

$6,229
 $877
 14% $(48) (1)%
2017 vs. 2016
Sales
Distribution segment sales increased $877 million versus 2016, primarily due to an increase in organic sales of $684 million (primarily in North America) and $267 million of sales related to the acquisition of a North American distributor in the fourth quarter of 2016.
Segment EBIT
Distribution segment EBIT decreased $8 million versus 2016, primarily due to higher selling, general and administrative expenses, higher research development and engineering expenses, lower equity, royalty and interest income from investees. Engine segment EBIT for 2012 included restructuringinvestees and other chargesthe absence of $20 milliona gain from the acquisition of controlling interests in the fourth quarter of 2012.a North American distributor in 2016, partially offset by higher gross margin. Major components of EBIT and related changes to segment EBIT and EBIT as a percentage of sales were as follows:
 Year ended December 31, 2013 vs. 2012 Year ended December 31, 2017 vs. 2016
 Favorable/(Unfavorable) Change Favorable/(Unfavorable) Change
In millions Amount Percent 
Percentage point change
as a percent of sales
 Amount Percent 
Percentage point change
 as a percent of sales
Gross margin $(237) (10)% (0.7) $112
 10 % (0.5)
Selling, general and administrative expenses 1
  % (0.5) (111) (15)% 
Research, development and engineering expenses 17
 4 % (0.2) (6) (46)% (0.1)
Equity, royalty and interest income from investees 9
 7 % 0.2
 (26) (37)% (0.5)
Gain on sale of assets (15) (100)% NM
__________________________________________________________________________
"NM" - not meaningful information
The decreaseincrease in gross margin versus 20122016 was primarily due to unfavorable product mixhigher organic volumes and lower high-horsepower volumes,the acquisition of a North American distributor in the fourth quarter of 2016, partially offset by improved price realization, decreased material and commodity costs and favorable foreign currency fluctuations.increased variable compensation expense. Gross margin as a percentage of sales declined primarily due to the increase in variable compensation expense. The decreaseincrease in selling, general and administrative expenses was primarily due to lower discretionary spending and the absence of restructuring charges incurred in 2012, partially offset byhigher variable compensation expense, increased headcount. The decrease in research, development and engineering expenses was primarily due to lower discretionary spending in 2013, partially offset by increases in new product development spending and increased headcount to support our strategic growth initiatives. The increase in equity, royalty and interest income from investees was primarily due to higher earnings at Beijing Foton Cummins Engine Co., Ltd. within the light-duty business and Dongfeng Cummins Engine Company, Ltd., partially offset by lower earnings at Beijing Foton Engine Company, Ltd. (Heavy-duty) in anticipation of production in the second quarter of 2014.

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Distribution Segment Results
Financial data for the Distribution segment was as follows:
        Favorable/(Unfavorable)
  Years ended December 31, 2014 vs. 2013 2013 vs. 2012
In millions 2014 2013 2012 Amount Percent Amount Percent
External sales $5,135
 $3,726
 $3,261
 $1,409
 38 % $465
 14 %
Intersegment sales 39
 23
 16
 16
 70 % 7
 44 %
Total sales 5,174

3,749

3,277
 1,425
 38 % 472
 14 %
Depreciation and amortization 86
 54
 34
 (32) (59)% (20) (59)%
Research, development and engineering expenses 9
 6
 6
 (3) (50)% 
  %
Equity, royalty and interest income from investees 148
 165
 188
 (17) (10)% (23) (12)%
Interest income 4
 2
 2
 2
 100 % 
  %
Segment EBIT (1)
 491
 388
 369
 103
 27 % 19
 5 %
               
        Percentage Points Percentage Points
Segment EBIT as a percentage of total sales (2)
 9.5% 10.3% 11.3%   (0.8)   (1.0)

(1)
Segment EBIT for 2014 and 2013 included gains of $73 million and $12 million, respectively, resulting from acquisitions of controlling interests in North American distributors. See Note 2, "ACQUISITIONS," to the Consolidated Financial Statements for further information.
(2)
North American distributor acquisitions will increase Distribution segment EBIT, however the acquisitions will be dilutive to EBIT as a percentage of sales.
Sales for our Distribution segment by region were as follows:
        Favorable/(Unfavorable)
  Years ended December 31, 2014 vs. 2013 2013 vs. 2012
In millions 2014 2013 2012 Amount Percent Amount Percent
North & Central America $2,765
 $1,470
 $901
 $1,295
 88 % $569
 63 %
Europe, CIS and China 908
 862
 890
 46
 5 % (28) (3)%
Asia Pacific 794
 758
 820
 36
 5 % (62) (8)%
Middle East 208
 198
 193
 10
 5 % 5
 3 %
Africa 187
 142
 154
 45
 32 % (12) (8)%
India 157
 170
 181
 (13) (8)% (11) (6)%
South America 155
 149
 138
 6
 4 % 11
 8 %
Total sales $5,174
 $3,749
 $3,277
 $1,425
 38 % $472
 14 %
Sales for our Distribution segment by product were as follows:
        Favorable/(Unfavorable)
  Years ended December 31, 2014 vs. 2013 2013 vs. 2012
In millions 2014 2013 2012 Amount Percent Amount Percent
Parts and filtration $1,924
 $1,465
 $1,235
 $459
 31% $230
 19%
Power generation 1,163
 931
 807
 232
 25% 124
 15%
Engines 1,061
 713
 665
 348
 49% 48
 7%
Service 1,026
 640
 570
 386
 60% 70
 12%
Total sales $5,174

$3,749

$3,277
 $1,425
 38% $472
 14%

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2014 vs. 2013
Sales
Distribution segment sales increased versus 2013 primarily due to $1.2 billion of segment sales related to the consolidation of partially-owned North American distributors since December 31, 2012, $290 million of organic sales growth primarily in North America, Asia Pacific, Africa, Europe and the Middle East and $56 million of segment salescompensation expense related to the acquisition of international distributors. These increases were partially offset by unfavorable foreign currency fluctuations and decreased demand in India.
Segment EBIT
Distribution segment EBIT increased versus 2013, primarily due to the acquisitions ofa North American distributors, partially offset by unfavorable foreign currency fluctuations (primarily in Australiadistributor and Canada), higher selling, general and administrative expenses and lower equity, royalty and interest income from investees. The acquisitions resulted in gains of $73 million and $12 million for 2014 and 2013, respectively, related to the remeasurement of our pre-existing ownership interests in accordance with GAAP, which were partially offset by $36 million and $14 million of amortization of intangible assets in 2014 and 2013, respectively, for acquisitions since December 31, 2012.consulting expenses. The decrease in equity, royalty and interest income from investees was the result of the acquisition of a North American distributor in 2016 and unfavorable impacts from Tax Legislation related to withholding taxes on foreign earnings of $4 million.
2016 vs. 2015
Sales
Distribution segment sales decreased $48 million versus 2015, primarily due to a decline in organic sales of $295 million principally in North America, Asia Pacific and the Middle East and unfavorable foreign currency fluctuations (primarily in the South African rand, Canadian dollar, Chinese renminbi, Indian rupee, Australian dollar and British pound), partially offset by $344 million of segment sales related to the acquisition of North American distributors since December 31, 2012.2014.
Segment EBIT
In 2015, we incurred a restructuring charge of $23 million for actions primarily in the form of professional voluntary and involuntary employee separation programs in response to the continued deterioration in our global markets.

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Distribution segment EBIT decreased $20 million versus 2015, primarily due to higher selling, general and administrative expenses (mainly related to the acquisition of North American distributors since December 31, 2014), partially offset by higher gross margin and the absence of restructuring actions and other charges in 2015. The acquisitions resulted in $11 million and $24 million of additional amortization of intangible assets, partially offset by gains of $15 million and $18 million related to the remeasurement of our pre-existing ownership interests for North American distributor acquisitions in 2016 and 2015, respectively. Major components of EBIT and related changes to segment EBIT and EBIT as a percentage of sales were as follows:
 Year ended December 31, 2014 vs. 2013 Year ended December 31, 2016 vs. 2015
 Favorable/(Unfavorable) Change Favorable/(Unfavorable) Change
In millions Amount Percent 
Percentage point change
 as a percent of sales
 Amount Percent 
Percentage point change
 as a percent of sales
Gross margin $208
 31 % (0.9) $37
 4 % 0.7
Selling, general and administrative expenses (144) (32)% 0.6
 (68) (10)% (1.2)
Equity, royalty and interest income from investees (17) (10)% (1.5) (8) (10)% (0.2)
Restructuring actions and other charges (1)
 23
 NM
 0.4
2013 vs. 2012__________________________________________________________________________
Sales"NM" - not meaningful information
Distribution segment sales increased(1) See Restructuring Actions and Other Charges section of "Results of Operations" for additional information.
The increase in gross margin versus 20122015 was primarily due to $507 millionthe acquisitions of incremental sales in 2013 related to the acquisition of partially-owned North American distributors since June 2012. These increases were partially offset by decreased engine product sales, primarily due to a significant slowdown in the North American oilDecember 31, 2014 and gas markets, and by unfavorable foreign currency fluctuations. Excluding acquisition related sales, all other changes were relatively flat versus 2012.
Segment EBIT
Distribution segment EBIT increased versus 2012, primarily due to higher gross margin as a result of the acquisition and consolidation of partially owned North American distributors in 2013. This increase wasimproved pricing, partially offset by unfavorable foreign currency fluctuations higher(primarily in the South African rand, Canadian dollar and Australian dollar) and lower volumes. The increase in selling, general and administrative expenses was primarily due to higher compensation expenses related to the acquisitions of North American distributors and lowerhigher consulting expenses. The decrease in equity, royalty and interest income from investees as awas the result of the acquisitions. Amortizationacquisitions of intangible assets related to these acquisitions also negatively impacted EBIT for 2013. These acquisitions resulted in a $12 million gain related to the remeasurement of our pre-existing ownership interest in 2013, compared to a $7 million gain related to the remeasurement of our pre-existing 35 percent ownership in Central Power in 2012. Distribution segment EBIT also included restructuring and other charges of $14 million in 2012. Major components of EBIT and related changes to segment EBIT and EBIT as a percentage of sales were as follows:North American distributors.
  Year ended December 31, 2013 vs. 2012
  Favorable/(Unfavorable) Change
In millions Amount Percent 
Percentage point change
 as a percent of sales
Gross margin $75
 13 % (0.3)
Selling, general and administrative expenses (30) (7)% 0.8
Equity, royalty and interest income from investees (23) (12)% (1.3)


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Components Segment Results
Financial data for the Components segment was as follows:
       Favorable/(Unfavorable)       Favorable/(Unfavorable)
 Years ended December 31, 2014 vs. 2013 2013 vs. 2012 Years ended December 31, 2017 vs. 2016 2016 vs. 2015
In millions 2014 2013 2012 Amount Percent Amount Percent 2017 2016 2015 Amount Percent Amount Percent
External sales(1) $3,791
 $3,151
 $2,809
 $640
 20 % $342
 12 % $4,363
 $3,514
 $3,745
 $849
 24 % $(231) (6)%
Intersegment sales(1) 1,327
 1,191
 1,203
 136
 11 % (12) (1)% 1,526
 1,322
 1,427
 204
 15 % (105) (7)%
Total sales 5,118
 4,342
 4,012
 776
 18 % 330
 8 % 5,889
 4,836
 5,172
 1,053
 22 % (336) (6)%
Depreciation and amortization 106
 96
 82
 (10) (10)% (14) (17)% 163
 133
 109
 (30) (23)% (24) (22)%
Research, development and engineering expenses 230
 218
 213
 (12) (6)% (5) (2)% 240
 208
 236
 (32) (15)% 28
 12 %
Equity, royalty and interest income from investees 36
 28
 29
 8
 29 % (1) (3)% 40
 41
 35
 (1) (2)% 6
 17 %
Interest income 4
 3
 3
 1
 33 % 
  % 3
 4
 4
 (1) (25)% 
  %
Impairment of light-duty diesel assets (2)
 
 
 9
 
  % 9
 100 %
Restructuring actions and other charges (2)
 
 
 13
 
  % 13
 100 %
Segment EBIT 684
 527
 426
 157
 30 % 101
 24 % 754
 641
 727
 113
 18 % (86) (12)%
                            
       Percentage Points Percentage Points       Percentage Points Percentage Points
Segment EBIT as a percentage of total sales 13.4% 12.1% 10.6%  
 1.3
   1.5
 12.8% 13.3% 14.1%  
 (0.5)   (0.8)

(1)Due to the acquisitions of North American distributors, sales previously recognized as external sales are now included in intersegment sales.
(2)See respective sections of "Results of Operations" for additional information.
In the first quarter of 2017, our Components segment reorganized its reporting structure to move the electronics business out of the emission solutions business and into the fuel systems business to enhance operational, administrative and product development efficiencies. Prior year sales were reclassified to conform with this change. We changed the name of our fuel systems business to electronics and fuel systems.

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In the third quarter of 2017, we formed the Eaton Cummins Automated Transmission Technologies joint venture (ECJV), which was consolidated and included in our Components segment as the automated transmissions business. See Note 18, "ACQUISITIONS", in the Consolidated Financial Statements for additional information.
Sales for our Components segment by business were as follows:
        Favorable/(Unfavorable)
  Years ended December 31, 2017 vs. 2016 2016 vs. 2015
In millions 2017 2016 2015 Amount Percent Amount Percent
Emission solutions $2,675
 $2,238
 $2,449
 $437
 20% $(211) (9)%
Turbo technologies 1,179
 1,036
 1,141
 143
 14% (105) (9)%
Filtration 1,153
 1,010
 1,010
 143
 14% 
  %
Electronics and fuel systems 718
 552
 572
 166
 30% (20) (3)%
Automated transmissions 164
 
 
 164
 NM
 
  %
Total sales $5,889

$4,836

$5,172
 $1,053
 22% $(336) (6)%
____________________________________
        Favorable/(Unfavorable)
  Years ended December 31, 2014 vs. 2013 2013 vs. 2012
In millions 2014 2013 2012 Amount Percent Amount Percent
Emission solutions $2,343
 $1,791
 $1,415
 $552
 31% $376
 27 %
Turbo technologies 1,222
 1,115
 1,106
 107
 10% 9
 1 %
Filtration 1,075
 1,028
 1,048
 47
 5% (20) (2)%
Fuel systems 478
 408
 443
 70
 17% (35) (8)%
Total sales $5,118

$4,342

$4,012
 $776
 18% $330
 8 %
"NM" - not meaningful information
2014
2017 vs. 20132016
Sales
Components segment sales increased versus 2013 in$1.1 billion across all lines of business and across most markets.versus 2016. The following were the primary drivers by business:
Emission solutions business sales increased $437 million primarily due to improved demand in the North American on-highway markets and increased demand for oursales of products in Europe and China to meet new emission requirements. The increases were partially offset by lowerstandards in India and stronger market demand for trucks in North America and China.
Electronics and fuel systems sales increased $166 million primarily due to higher demand in Brazil.China, Mexico and India.
Automated transmissions contributed North American sales of $164 million following the consolidation of the ECJV during the third quarter of 2017.
Turbo technologies business sales increased as a result of improved on-highway$143 million primarily due to higher demand in China and North America.
Filtration sales increased $143 million primarily due to higher demand in North America, Australia and Europe, partially offset by lower demand in Brazil.
Fuel systems business sales increased due to improved demand in the North American on-highway markets, the new Beijing Foton ISG engine that went into production during the second quarter of 2014 in China and increased aftermarket demand.
The increases above were partially offset by unfavorable foreign currency fluctuations primarily in Brazil and South Africa, partially offset by Europe.China.
Segment EBIT
Components segment EBIT increased $113 million versus 2013,2016, primarily due to higher gross margin, and higher equity, royalty and interest income from investees, partially offset by higherincreased selling, general and administrative expenses and higher research, development and engineering expenses. Major components of EBIT and related changes to segment EBIT and EBIT as a percentage of sales were as follows:

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 Year ended December 31, 2014 vs. 2013 Year ended December 31, 2017 vs. 2016
 Favorable/(Unfavorable) Change Favorable/(Unfavorable) Change
In millions Amount Percent 
Percentage point change
as a percent of sales
 Amount Percent 
Percentage point change
as a percent of sales
Gross margin $191
 19 % 0.3 $218
 19 % (0.5)
Selling, general and administrative expenses (51) (19)%  (99) (28)% (0.4)
Research, development and engineering expenses (12) (6)% 0.5 (32) (15)% 0.2
Equity, royalty and interest income from investees 8
 29 % 0.1 (1) (2)% (0.1)

The increase in gross margin was primarily due to higher volumes, mainly in the emission solutions business and lower material costs and commodity costs,improved leverage, partially offset by higher warranty costs driven by campaigns and changes in estimates, unfavorable pricing and unfavorable foreign currency adjustments (primarily in Europe).increased variable compensation expense. The increase in selling, general and administrative expenses was primarily due to higher headcountcompensation expense, especially variable compensation expense, and expenses related to support business growth.the new ECJV. The increase in research, development and engineering expenses was primarily due to higher headcountcompensation expense, especially variable compensation expense, higher consulting expenses and expenses related to support our strategic growth initiatives,the new ECJV. The decrease in equity, royalty and interest income from investees was primarily due to unfavorable impacts from Tax Legislation related to withholding taxes on foreign earnings

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of $12 million, partially offset by increased expense recovery.earnings at Dongfeng Cummins Emission Solutions Co., Ltd. and Shanghai Fleetguard Filter Co.
20132016 vs. 20122015
Sales
Components segment sales increaseddecreased $336 million across most lines of business versus 2012 primarily due to increased2015. The following were the primary drivers by business:
Emission solutions sales within the emission solutions business, mainly related to the following:
Improved on-highway OEM and aftermarket demand in North America.
The impact of our 2012 acquisition of Hilite experienced in Western Europe, which resulted in $77decreased $211 million of related incremental sales in 2013 compared to 2012.
Western European pre-buy activity in anticipation of the Euro VI emission standards beginning in the first quarter of 2014.
Growth in the medium-duty Brazilian truck market which resulted in improved aftertreatment demand.
The increases above were partially offset by the following:
Foreign currency fluctuations unfavorably impacted sales results.
Fuel systems business sales decreased primarily due to lower demand in North American on-highway markets, andpartially offset by higher demand in China.
Turbo technologies sales decreased $105 million primarily due to lower demand in Europe,North American on-highway markets, partially offset by increased aftermarket demand.higher demand in China.
Foreign currency fluctuations unfavorably impacted sales results primarily in the Chinese renminbi, British pound and Brazilian real.
Electronics and fuel systems sales decreased $20 million primarily due to lower demand in North American on-highway markets, partially offset by higher demand in China.
Segment EBIT
In 2015, we incurred a restructuring charge of $13 million for actions primarily in the form of professional voluntary and involuntary employee separation programs in response to the continued deterioration in our global markets. We also incurred an impairment charge of $9 million for our light-duty diesel assets.
Components segment EBIT increaseddecreased $86 million versus 2012,2015, primarily due to lower gross margin and higher gross margin. Components segment EBIT for 2012 includedselling, general and administrative expenses, partially offset by lower research, development and engineering expenses and the absence of restructuring actions and other charges of $6 millionand impairment charges in the fourth quarter.2016. Major components of EBIT and related changes to segment EBIT and EBIT as a percentage of sales were as follows:
 Year ended December 31, 2013 vs. 2012 Year ended December 31, 2016 vs. 2015
 Favorable/(Unfavorable) Change Favorable/(Unfavorable) Change
In millions Amount Percent 
Percentage point change
as a percent of sales
 Amount Percent 
Percentage point change
as a percent of sales
Gross margin $112
 13 % 0.9
 $(111) (9)% (0.6)
Selling, general and administrative expenses 7
 3 % 0.7
 (33) (10)% (1.1)
Research, development and engineering expenses (5) (2)% 0.3
 28
 12 % 0.3
Equity, royalty and interest income from investees (1) (3)% (0.1) 6
 17 % 0.1
Impairment of light-duty diesel assets (1)
 9
 NM
 0.2
Restructuring actions and other charges (1)
 13
 NM
 0.3
__________________________________________________________________________
"NM" - not meaningful information
(1) See respective sections of "Results of Operations" for additional information.
The increasedecrease in gross margin was primarily due to higherlower volumes, in the emission solutions business and lower material and commodity costs in several businesses, partially offset by increased warranty costsunfavorable pricing, unfavorable mix and unfavorable foreign currency fluctuations.fluctuations (primarily in the Chinese renminbi and Brazilian real), partially offset by lower material costs. The decreaseincrease in selling, general and administrative expenses was primarily due to lower discretionary spending in 2013,higher consulting and compensation expenses as a result of absorbing a greater share of corporate costs under the new allocation methodology adopted during 2016, partially offset by increased compensation and variable compensation expense.savings from restructuring actions taken in the fourth quarter of 2015. The increasedecrease in research, development and engineering expenses was primarily due to higher headcount to support our strategic growth initiatives and new product developmentreduced project spending, partially offset by lower consulting expenses.expenses and lower compensation expenses from restructuring actions taken in the fourth quarter of 2015.



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Power GenerationSystems Segment Results
Financial data for the Power GenerationSystems segment was as follows:
       Favorable/(Unfavorable)       Favorable/(Unfavorable)
 Years ended December 31, 2014 vs. 2013 2013 vs. 2012 Years ended December 31, 2017 vs. 2016 2016 vs. 2015
In millions 2014 2013 2012 Amount Percent Amount Percent 2017 2016 2015 Amount Percent Amount Percent
External sales(1) $1,858
 $2,154
 $2,163
 $(296) (14)% $(9)  % $2,375
 $2,064
 $2,434
 $311
 15 % $(370) (15)%
Intersegment sales(1) 1,038
 877
 1,105
 161
 18 % (228) (21)% 1,683
 1,453
 1,633
 230
 16 % (180) (11)%
Total sales 2,896

3,031

3,268
 (135) (4)% (237) (7)% 4,058

3,517

4,067
 541
 15 % (550) (14)%
Depreciation and amortization 53
 50
 47
 (3) (6)% (3) (6)% 117
 115
 110
 (2) (2)% (5) (5)%
Research, development and engineering expenses 77
 73
 76
 (4) (5)% 3
 4 % 214
 189
 226
 (25) (13)% 37
 16 %
Equity, royalty and interest income from investees 39
 32
 40
 7
 22 % (8) (20)% 54
 42
 56
 12
 29 % (14) (25)%
Interest income 3
 6
 9
 (3) (50)% (3) (33)% 3
 5
 5
 (2) (40)% 
  %
Restructuring actions and other charges (2)
 
 
 26
 
  % 26
 100 %
Segment EBIT 168
 218
 285
 (50) (23)% (67) (24)% 294
 263
 335
 31
 12 % (72) (21)%
                            
       Percentage Points Percentage Points       Percentage Points Percentage Points
Segment EBIT as a percentage of total sales 5.8% 7.2% 8.7%   (1.4)   (1.5) 7.2% 7.5% 8.2%   (0.3)   (0.7)

(1)Due to the acquisitions of North American distributors, sales previously recognized as external sales are now included in intersegment sales.
(2) See Restructuring Actions and Other Charges section of "Results of Operations" for additional information.
In the first quarter of 2017, our Power Systems segment reorganized its product lines to better reflect how the segment is managed. Prior year sales were reclassified to reflect these changes. Sales for our Power GenerationSystems segment by businessproduct line were as follows:
        Favorable/(Unfavorable)
  Years ended December 31, 2014 vs. 2013 2013 vs. 2012
In millions 2014 2013 2012 Amount Percent Amount Percent
Power products $1,669
 $1,725
 $1,654
 $(56) (3)% $71
 4 %
Power systems 631
 656
 757
 (25) (4)% (101) (13)%
Alternators 449
 496
 566
 (47) (9)% (70) (12)%
Power solutions 147
 154
 291
 (7) (5)% (137) (47)%
Total sales $2,896
 $3,031
 $3,268
 $(135) (4)% $(237) (7)%
        Favorable/(Unfavorable)
  Years ended December 31, 2017 vs. 2016 2016 vs. 2015
In millions 2017 2016 2015 Amount Percent Amount Percent
Power generation $2,305
 $2,256
 $2,588
 $49
 2% $(332) (13)%
Industrial 1,399
 941
 1,121
 458
 49% (180) (16)%
Generator technologies 354
 320
 358
 34
 11% (38) (11)%
Total sales $4,058
 $3,517
 $4,067
 $541
 15% $(550) (14)%
2014High-horsepower unit shipments by engine classification were as follows:
        Favorable/(Unfavorable)
  Years ended December 31, 2017 vs. 2016 2016 vs. 2015
  2017 2016 2015 Amount Percent Amount Percent
Power generation 8,200
 7,900
 8,600
 300
 4% (700) (8)%
Industrial 6,400
 4,400
 5,200
 2,000
 45% (800) (15)%
Total units 14,600
 12,300
 13,800
 2,300
 19% (1,500) (11)%
2017 vs. 20132016
Sales
Power GenerationSystems segment sales decreased inincreased $541 million across all product lines of business and across most markets versus 2013,2016. The following were the primary drivers:
Industrial sales increased $458 million primarily due to lower industrial activity. The following are the primary drivers by business:higher demand in global mining markets, especially in Europe, North America and China, and oil and gas markets in North America.
Power products
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Power generation sales increased $49 million primarily due to higher demand in Western Europe, North America and China, partially offset by lower demand in the Middle East, Africa and Eastern Europe.
Generator technologies sales decreasedincreased $34 million primarily due to lower demand in North America driven by declining military sales and lower demand in India, Mexico and Russia, partially offset by increases in China, Africa and Western Europe.
Alternators sales decreased due to lower demand in Western Europe, India and Asia, partially offset by increased demand in the U.K. and China.
Power systems sales decreased primarily due to reduced demand in North America and Western Europe, partially offset by higher demand in Latin America and Brazil.Europe.
Foreign currency fluctuations unfavorably impacted sales (primarily in India and Brazil).
Operating Actions
Power Generation took multiple actions in the fourth quarter of 2014 to reduce its future cost structure. Costs associated with these actions were $32 million and are primarily related to the closure of a plant in Germany. We also initiated other targeted actions throughout the business including various headcount reductions to better align capacity with the current levels of demand. These actions resulted in a Power Generation headcount reduction of approximately 250 employees and unfavorable impacts to gross margin of $22 million, selling, general and administrative expense of $6 million and research and development expenses of $4 million. The majority of these costs were accrued as of December 31, 2014, and will be paid in 2015.


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Segment EBIT
Power GenerationSystems segment EBIT decreasedincreased $31 million versus 2013,2016, primarily due to lowerhigher gross margin, higher selling, generalfavorable foreign currency fluctuations and administrative expenses and higher research, development and engineering expenses, partially offset by higher equity, royalty and interest income from investees.investees, partially offset by increased selling, general and administrative expenses, higher research, development and engineering expenses and the absence of a $17 million gain on the sale of an equity investee recorded in 2016. Major components of EBIT and related changes to segment EBIT and EBIT as a percentage of sales were as follows:
 Year ended December 31, 2014 vs. 2013 Year ended December 31, 2017 vs. 2016
 Favorable/(Unfavorable) Change Favorable/(Unfavorable) Change
In millions Amount Percent 
Percentage point change
as a percent of sales
 Amount Percent 
Percentage point change
as a percent of sales
Gross margin $(32) (6)% (0.2) $107
 14 % (0.3)
Selling, general and administrative expenses (16) (5)% (1.0) (45) (11)% 0.4
Research, development and engineering expenses (4) (5)% (0.3) (25) (13)% 0.1
Equity, royalty and interest income from investees 7
 22 % 0.2
 12
 29 % 0.1
Gain on sale of an equity investee (17) (100)% 0.5


The decreaseincrease in gross margin versus 20132016 was primarily due to lower volume, operating actions taken in the fourth quarter of 2014 and unfavorable foreign currency fluctuations (primarily in Europe),increased volumes, partially offset by higher warranty costscost related to a campaign accrual and favorable mix.higher variable compensation expense. The increase in selling, general and administrative expenses was primarily due to higher variable compensation expense and higher consulting expenses. The increase in research, development and engineering expenses was primarily due to operating actions taken in the fourth quarter of 2014higher variable compensation expense, increased project spending and higher compensation expenses.consulting expenses. The favorable increase in equity, royalty and interest income from investees was primarily due to an $8 millionthe absence of a joint venture asset impairment chargerecorded in 2016. The decrease in the gain on sale of an equity method investmentinvestee was due to the absence of a $17 million gain recorded in 2013.the fourth quarter of 2016 for Cummins Olayan Energy.
20132016 vs. 20122015
Sales
Power GenerationSystems segment sales decreased $550 million across all product lines versus 2012,2015. The following were the primary drivers:
Power generation sales decreased $332 million, in most regions, with the largest declines in demand primarily in Asia, the Middle East, North America, Latin America, China, Western Europe, Africa and Mexico.
Industrial sales decreased $180 million primarily due to lower demand in North America (mainly oil and gas and mining markets, partially offset by rail markets), Asia (mainly marine and mining markets), China (mainly marine and mining markets) and Africa.
Foreign currency fluctuations unfavorably impacted sales results primarily in the power solutionsBritish pound, Indian rupee and power systems businesses. The following are the primary drivers by business:Chinese renminbi.
Power solutionsGenerator technologies sales decreased $38 million primarily due to lower volumes in the U.K., partially offset by increased sales in Asia.
Power systems sales decreased primarily due to reduced demand in India, the Middle East, China Asia and Russia, partially offset by increased sales in Western Europe.
Alternators sales decreased primarily due to demand reductions in Europe, the U.K. and India.
The decreases above were partially offset by power products as sales increased primarily due to higher volumes in North America and improved price realization. These increases were partially offset by demand reductions in India and Asia and unfavorable foreign currency fluctuations.America.
Segment EBIT
In 2015, we incurred a restructuring charge of $26 million for actions primarily in the form of professional voluntary and involuntary employee separation programs in response to the continued deterioration in our global markets.
Power GenerationSystems segment EBIT decreased $72 million versus 2012,2015, primarily due to lower gross margin, partially offset by lower selling, general and administrative expenses. Power Generation segment EBIT for 2013 included an $8 million legal settlementexpenses, favorable foreign currency fluctuations (primarily the British pound), lower research, development and an $8 million impairment charge forengineering expenses, the write-offabsence of restructuring actions and other charges and a gain from the divestiture of an equity method investment, while segment EBIT for 2012 included restructuring and other charges of $12 million.investee. Major components of EBIT and related changes to segment EBIT and EBIT as a percentage of sales were as follows:

  Year ended December 31, 2013 vs. 2012
  Favorable/(Unfavorable) Change
In millions Amount Percent 
Percentage point change
as a percent of sales
Gross margin $(70) (11)% (0.9)
Selling, general and administrative expenses 14
 4 % (0.3)
Research, development and engineering expenses 3
 4 % (0.1)
Equity, royalty and interest income from investees (8) (20)% (0.1)

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  Year ended December 31, 2016 vs. 2015
  Favorable/(Unfavorable) Change
In millions Amount Percent 
Percentage point change
as a percent of sales
Gross margin $(215) (21)% (2.3)
Selling, general and administrative expenses 75
 16 % 0.3
Research, development and engineering expenses 37
 16 % 0.2
Equity, royalty and interest income from investees (14) (25)% (0.2)
Restructuring actions and other charges (1)
 26
 100 % 0.6
Gain on sale of an equity investee 17
 100 % 0.5
__________________________________________________________________________
(1) See Restructuring Actions and Other Charges section of "Results of Operations" for additional information.
The decrease in gross margin versus 20122015 was primarily due to lower volumes partially offset by improved price realization and favorable foreign currency fluctuations.increased project costs. The decreasesdecrease in selling, general and administrative expenses was primarily due to lower compensation expenses as the result of restructuring actions taken in the fourth quarter of 2015 and lower consulting expenses. The decrease in research, development and engineering expenses werewas primarily due to reduced project spending, lower consulting expenses and lower compensation expenses as the absenceresult of restructuring charges incurredactions taken in the fourth quarter of 2013 and lower discretionary spending to align with slowing demand in key markets.2015. The decrease in equity, royalty and interest income from investees was primarily due to the impact of an $8 million asset impairment chargeincurred by one of an equity method investmentour joint ventures. In 2016, we sold our remaining 49 percent interest in 2013.Cummins Olayan Energy for $61 million and recognized a gain of $17 million.
Reconciliation of Segment EBIT to Net Income Before Income TaxesAttributable to Cummins Inc.

The table below reconciles the segment information to the corresponding amounts in the Consolidated Statements of Income.
 Years ended December 31, Years ended December 31,
In millions 2014 2013 2012 2017 2016 2015
Total segment EBIT $2,568
 $2,174
 $2,328
TOTAL SEGMENT EBIT $2,391
 $1,982
 $2,110
Non-segment EBIT (1)
 (70) (14) (25) 55
 17
 (20)
Total EBIT 2,498

2,160

2,303
TOTAL EBIT 2,446

1,999

2,090
Less: Interest expense 64
 41
 32
 81
 69
 65
Income before income taxes $2,434
 $2,119
 $2,271
INCOME BEFORE INCOME TAXES 2,365
 1,930
 2,025
Less: Income tax expense 1,371
 474
 555
CONSOLIDATED NET INCOME 994
 1,456
 1,470
Less: Net (loss) income attributable to noncontrolling interest (5) 62
 71
NET INCOME ATTRIBUTABLE TO CUMMINS INC. $999
 $1,394
 $1,399

(1) Includes intersegment sales, andintersegment profit in inventory eliminations and unallocated corporate expenses. The year ended December 31, 2012,2015, included a $20an $11 million charge ($12 million after-tax) related to legal matters. The gains and losses have been excluded from segment results as theycorporate restructuring charge. There were not considered in our evaluation of operating resultsno significant unallocated corporate expenses for the yearyears ended December 31, 2012.2017 and 2016.




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LIQUIDITY AND CAPITAL RESOURCES
Management's AssessmentKey Working Capital and Balance Sheet Data
We fund our working capital with cash from operations and short-term borrowings, including commercial paper, when necessary. Various assets and liabilities, including short-term debt, can fluctuate significantly from month to month depending on short-term liquidity needs. As a result, working capital is a prime focus of management attention. Working capital and balance sheet measures are provided in the following table:
Dollars in millions December 31,
2017
 December 31,
2016
Working capital (1)
 $3,251
 $3,382
Current ratio 1.57
 1.78
Accounts and notes receivable, net $3,618
 $3,025
Days’ sales in receivables 59
 61
Inventories $3,166
 $2,675
Inventory turnover 5.0
 4.7
Accounts payable (principally trade) $2,579
 $1,854
Days' payable outstanding 53
 51
Total debt $2,006
 $1,856
Total debt as a percent of total capital 19.7% 20.6%

(1)Working capital includes cash and cash equivalents.
Cash Flows
Cash and cash equivalents were impacted as follows:
  Years ended December 31, Change
In millions 2017 2016 2015 2017 vs. 2016 2016 vs. 2015
Net cash provided by operating activities $2,277
 $1,939
 $2,065
 $338
 $(126)
Net cash used in investing activities (1,052) (917) (918) (135) 1
Net cash used in financing activities (1,074) (1,413) (1,650) 339
 237
Effect of exchange rate changes on cash and cash equivalents 98
 (200) (87) 298
 (113)
Net increase (decrease) in cash and cash equivalents $249
 $(591) $(590) $840
 $(1)
2017 vs. 2016
Net cash provided by operating activities increased $338 million versus 2016, primarily due to improved earnings of $358 million, excluding the non-cash impact of Tax Legislation of $820 million and lower working capital levels of $352 million, partially offset by higher pension contributions of $109 million, a decrease in deferred tax expense of $104 million, lower loss contingency charges of $117 million and higher equity earnings of $77 million. The lower working capital requirements in 2017 resulted in a cash inflow of $90 million compared to a cash outflow of $262 million in 2016.
Net cash used in investing activities increased $135 million versus 2016, primarily due to higher acquisitions of businesses, net of cash acquired of $568 million and the absence of $60 million in proceeds from the sale of of equity investees in 2016, partially offset by lower net investments in marketable securities of $244 million, higher cash flows from derivatives not designated as hedges of $178 million and higher proceeds from the disposal of property, plant and equipment of $96 million.
Net cash used in financing activities decreased $339 million versus 2016, primarily due to lower repurchases of common stock of $327 million.
The effect of exchange rate changes on cash and cash equivalents increased $298 million versus 2016, primarily due to the British pound, which increased cash and cash equivalents $249 million.
2016 vs. 2015
Net cash provided by operating activities decreased $126 million versus 2015, primarily due to the absence of the 2015 impairment of light-duty diesel assets of $211 million and a $123 million year over year impact related to restructuring, partially offset by an increase in deferred income taxes of $158 million and higher loss contingency charges of $62 million resulting in lower cash net income in 2016.

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Net cash used in investing activities decreased $1 million versus 2015, primarily due to lower capital expenditures of $213 million and proceeds from the sale of equity investees of $60 million, partially offset by higher net investments in marketable securities of $160 million and changes in cash flows from derivatives not designated as hedges of $110 million.
Net cash used in financing activities decreased $237 million versus 2015, primarily due to higher net borrowings of commercial paper of $212 million, lower common stock repurchases of $122 million and higher proceeds from borrowings of $67 million, partially offset by higher acquisitions of noncontrolling interests of $88 million and higher payments on borrowings and capital lease obligations of $87 million.
The effect of exchange rate changes on cash and cash equivalents decreased $113 million versus 2015, primarily due to the British pound, which decreased cash and cash equivalents $112 million.
Sources of Liquidity
Our financial condition and liquidity remain strong. Our solid balance sheet and credit ratings enable us to have ready access to credit and the capital markets.
We assess our liquidity in terms of our ability to generate adequate cash to fund our operating, investing and financing activities. We generate significant ongoing cash flow, which has been used, in part, to fund repurchases of common stock, capital expenditures, dividends on our common stock and acquisitions.flow. Cash provided by operations is our principal source of liquidity. As ofliquidity with $2.3 billion provided in 2017.
At December 31, 2014, other2017, our sources of liquidity included:
cash and cash equivalents of $2.3 billion, of which approximately 41 percent was located in the U.S. and 59 percent was located outside the U.S., primarily in the U.K., China, Singapore and Belgium,
revolving credit facility with $1.73 billion available, net of letters of credit,
  December 31, 2017
In millions Total U.S. International Primary location of international balances
Cash and cash equivalents $1,369
 $360
 $1,009
 U.K., Singapore, China, Belgium, Australia, Canada
Marketable securities (1)
 198
 49
 149
 India
Total $1,567
 $409
 $1,158
  
Available credit capacity        
Revolving credit facility (2)
 $2,452
      
International and other uncommitted domestic credit facilities $240
      

international and other domestic short-term credit facilities with $261 million available and
marketable securities of $93 million, of which 65 percent is located in India, 29 percent is located in the U.S., and 6 percent is located in Brazil and the(1) The majority of whichmarketable securities could be liquidated into cash within a few days.

Our revolving(2) The five-year credit agreement provides us with afacility for $1.75 billion unsecuredand the 364-day credit facility for $1.0 billion, maturing November 2020 and September 2018, respectively, are maintained primarily to provide backup liquidity for our commercial paper borrowings and general corporate purposes. At December 31, 2017, we had $298 million of commercial paper outstanding, which effectively reduced the $1.75 billion available capacity under our five-year revolving credit facility the proceeds of which are to be used for our general corporate purposes. In the fourth quarter of 2014, we exercised our option to extend the maturity date of our revolving credit agreement by one year from November 9, 2017, to November 9, 2018. See Note 9, "DEBT," to our Consolidated Financial Statements for further information. The credit agreement includes one financial covenant: a leverage ratio. The required leverage ratio, which measures the sum of total debt plus securitization financing to consolidated earnings before interest, taxes, depreciation$1.45 billion.
Cash, Cash Equivalents and amortization (EBITDA) for the four fiscal quarters may not exceed 3.25 to 1.0. At December 31, 2014, our leverage ratio was 0.6 to 1.0.Marketable Securities
We have a current shelf registration filed with the Securities and Exchange Commission under which we may offer, from time to time, debt securities, common stock, preferred and preference stock, depositary shares, warrants, stock purchase contracts and stock purchase units.
We believe our liquidity provides us with the financial flexibility needed to fund working capital, common stock repurchases, capital expenditures, dividend payments, acquisitions of our North American distributors, projected pension obligations and debt service obligations. We continue to generate cash from operations in the U.S. and maintain access to $1.7 billion of our revolver as noted above.
A significant portion of our cash flowflows is generated outside the U.S. As of December 31, 2014, the total of cash, cash equivalents and marketable securities held by foreign subsidiaries was $1.4 billion, the vast majority of which was located in the U.K., China, Singapore, Belgium and India. The geographic location of our cash and marketable securities aligns well with our business growth strategy. We manage our worldwide cash requirements considering available funds among the many subsidiaries through which we conduct our business and the cost effectiveness with which those funds can be accessed. As a result, we do not anticipate any local liquidity restrictions to preclude us from funding our targeted expansion or operating needs with local resources.
If we distribute ourThe Tax Legislation made significant changes to U.S. tax law, including a one-time transition tax on accumulated foreign cash balances to the U.S. or to other foreign subsidiaries, we could be required to accrue and pay U.S. taxes. For example, we would be required to accrue and pay additional U.S. taxes if we repatriated cash from certain foreign subsidiaries whose earnings we have asserted are permanently reinvested outside of the U.S. Foreign earnings for which we assert permanent reinvestment outside the U.S. consist primarily of earnings of our China and U.K. domiciled subsidiaries. At present, we do not foresee$298 million with a need to repatriate anycash impact of $338 million. The payments associated with this deemed repatriation will be paid over eight years. The unrepatriated foreign earnings from these subsidiaries for which we have asserted permanent reinvestment. However, to help fund cash needs of the U.S. or other international subsidiaries as they arise, we repatriate available cash from certain foreign subsidiaries whose earnings are not permanently reinvested when it is cost effective to do so. Earnings generated after 2011 from our China operations are considered permanently reinvested, while earnings generated prior to 2012, for which U.S. deferred tax liabilities have been recorded, are expected to be repatriated in future years.
The maturity schedule of our existing long-term debt does not require significant cash outflows in the intermediate term. Required annual principal payments range from $11 million to $28 million over each of the next five years.

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Working Capital Summary
We fund our working capital with cash from operations and short-term borrowings when necessary. Various assets and liabilities, including short-term debt, can fluctuate significantly from month to month depending on short-term liquidity needs. As a result, working capital is a prime focus of management attention.
      Change 2014 vs. 2013
In millions 2014 2013 Amount Percent
Cash and cash equivalents $2,301
 $2,699
 $(398) (15)%
Marketable securities 93
 150
 (57) (38)%
Accounts and notes receivable, net 2,946
 2,649
 297
 11 %
Inventories 2,866
 2,381
 485
 20 %
Prepaid expenses and other current assets 849
 760
 89
 12 %
Current assets 9,055
 8,639
 416
 5 %
         
Current maturity of long-term debt, accounts and loans payable 1,990
 1,625
 365
 22 %
Current portion of accrued product warranty 363
 360
 3
 1 %
Accrued compensation, benefits and retirement costs 508
 433
 75
 17 %
Taxes payable (including taxes on income) 70
 99
 (29) (29)%
Other accrued expenses 1,090
 851
 239
 28 %
Current liabilities 4,021
 3,368
 653
 19 %
         
Working capital $5,034
 $5,271
  
  
         
Current ratio 2.25
 2.57
  
  
Days’ sales in receivables 53
 54
  
  
Inventory turnover 5.3
 5.4
  
  
Current assets increased 5 percent compared to 2013, primarily due to increases in inventories and accounts and notes receivable principally due to the acquisitions of North American distributors in 2014. The increases were partially offset by a decrease in cash and marketable securities, primarily due to lower proceeds from borrowings and $670 million of share repurchases in 2014.
Current liabilities increased 19 percent compared to 2013, primarily due to an increase in trade accounts payable and an increase in other accrued expenses.
Inventory turnover decreased 0.1 turns compared to 2013. The decrease was primarily due to higher inventory balances related to the consolidation of six North American distributors in 2014, which added $379 million of inventory at December 31, 2014.2017, will be repatriated as needed to fund cash needs. The estimated accrued withholding taxes of $331 million on foreign earnings that we plan to repatriate in the foreseeable future will be paid as cash is repatriated. See Note 2, "INCOME TAXES," to our Consolidated Financial Statements for additional information.
Cash FlowsDebt Facilities and Other Sources of Liquidity
CashOn November 13, 2015, we entered into an amended and cash equivalents decreased $398 million during 2014, comparedrestated five-year revolving credit agreement with a syndicate of lenders, which provides us with a $1.75 billion senior unsecured revolving credit facility and expires on November 13, 2020. On September 5, 2017, we entered into a 364-day credit facility that allows us to an increaseborrow up to $1 billion of $1,330 million during the comparable period in 2013. The changes impacting cashadditional unsecured funds at any time through September 2018. We have access to both credit facilities which total $2.75 billion of borrowing capacity. We intend to maintain credit facilities of a similar aggregate amount by renewing or replacing these facilities before expiration. Revolving credit facilities are maintained primarily to provide backup liquidity for our commercial paper borrowings, letters of credit and cash equivalents were as follows:general corporate purposes.



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Operating Activities

  Years ended December 31, Change
In millions 2014 2013 2012 2014 vs. 2013 2013 vs. 2012
Consolidated net income $1,736
 $1,588
 $1,738
 $148
 $(150)
Depreciation and amortization 455
 407
 361
 48
 46
Gain on fair value adjustment for consolidated investees (73) (12) (7) (61) (5)
Deferred income taxes 31
 100
 116
 (69) (16)
Equity in income of investees, net of dividends (100) (62) (15) (38) (47)
Pension contributions in excess of expense (148) (82) (68) (66) (14)
Other post-retirement benefits payments in excess of expense (27) (25) (21) (2) (4)
Stock-based compensation expense 36
 37
 36
 (1) 1
Translation and hedging activities (13) 17
 
 (30) 17
Changes in current assets and liabilities, net of acquisitions       

 

Accounts and notes receivable (89) (148) 87
 59
 (235)
Inventories (256) (46) (32) (210) (14)
Other current assets 1
 212
 (60) (211) 272
Accounts payable 244
 163
 (256) 81
 419
Accrued expenses 168
 (246) (514) 414
 268
Changes in other liabilities and deferred revenue 282
 211
 214
 71
 (3)
Other, net 19
 (25) (47) 44
 22
Net cash provided by operating activites $2,266
 $2,089
 $1,532
 $177
 $557

2014 vs. 2013
Net cash provided by operating activities increased versus 2013 primarily dueWe can issue up to higher consolidated net income and favorable working capital fluctuations, partially offset by unfavorable deferred income taxes and higher pension contributions in excess$1.75 billion of expense. During 2014, the lower working capital resulted in a cash inflow of $68 million compared to a cash outflow of $65 million in 2013. This change of $133 million was primarily driven by an increase in accrued expenses and accounts payable, partially offset by an increase in other current assets and inventories in 2014, versus the comparable period in 2013. The increase in accrued expenses was primarily due to higher income taxes payable, while the change in other current assets was largely due to the receipt of an income tax refund in 2013.
Pensions
The funded status of our pension plans is dependent upon a variety of variables and assumptions including return on invested assets, market interest rates and levels of voluntary contributions to the plans. In 2014, the investment return on our U.S. pension trust was 13.3 percent while our U.K. pension trust return was 16.8 percent. Approximately 78 percent of our pension plan assets are held in highly liquid investments such as fixed income and equity securities. The remaining 22 percent of our plan assets are held in less liquid, but market valued investments, including real estate, private equity and insurance contracts. We made $205 million of pension contributions in 2014, including $111 million of voluntary contributions. Claims and premiums for other postretirement benefits approximated $45 million, net of reimbursements, in 2014. These contributions and payments include transfers from our funds either to increase pension plan assets or to make direct payments to plan participants. We anticipate making total contributions of $175 millionunsecured short-term promissory notes ("commercial paper") pursuant to our defined benefit pension plans in 2015. Expected contributionsboard authorized commercial paper programs. The programs facilitate the private placement of unsecured short-term debt through third party brokers. We intend to our defined benefit pension plans in 2015 will meet or exceeduse the current funding requirements.
2013 vs. 2012
Net cash provided by operating activities increased versus 2012 primarily due to favorable working capital fluctuations, partially offset by lower consolidated net income and lower dividends received from equity investees. During 2013, the net increase in working capital resulted in a cash outflow of $65 million compared to a cash outflow of $775 million in 2012. This change of $710 million was primarily driven by an increase in accounts payable due to timing differences, lower net tax payments of $311 million due to the receipt of income tax refunds in 2013, which were partially offset by tax payments, and a smaller decrease in accrued expenses, partially offset by an increase in accounts and notes receivable in 2013 as a result of higher sales in the fourth quarter of 2013 versus 2012.


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Investing Activities
  Years ended December 31, Change
In millions 2014 2013 2012 2014 vs. 2013 2013 vs. 2012
Capital expenditures $(743) $(676) $(690) $(67) $14
Investments in internal use software (55) (64) (87) 9
 23
Investments in and advances to equity investees (60) (42) (70) (18) 28
Acquisitions of businesses, net of cash acquired (436) (147) (215) (289) 68
Investments in marketable securities—acquisitions (275) (418) (561) 143
 143
Investments in marketable securities—liquidations 336
 525
 585
 (189) (60)
Purchases of other investments 
 (40) 
 40
 (40)
Cash flows from derivatives not designated as hedges (14) 1
 12
 (15) (11)
Other, net 13
 15
 44
 (2) (29)
Net cash used in investing activities $(1,234) $(846) $(982) $(388) $136
2014 vs. 2013
Net cash used in investing activities increased versus 2013 primarily due to higher cash investment for the acquisition of businesses in 2014 and higher capital expenditures, partially offset by reduced purchases of corporate owned life insurance.
In 2014, we spent $436 million, net of cash acquired, on acquisitions of businesses in the Distribution segment. We plan to spend an additional $170 million to $210 million on North American distributor acquisitions and related debt retirements in 2015.
Capital expenditures were $743 million in 2014 compared to $676 million in 2013. Despite the challenging international economies, we continue to invest in new product lines and targeted capacity expansions. We plan to spend between $750 million and $850 million in 2015 as we continue with product launches, facility improvements and prepare for future emission standards. Approximately 50 percent of our capital expenditures are expected to be invested outside of the U.S. in 2015.
2013 vs. 2012
Net cash used in investing activities decreased versus 2012 primarily due to lower net investments in marketable securities, lower cash investments in acquisitions of businesses and lower investments in and advances to equity investees, partially offset by purchases of corporate owned life insurance.
Financing Activities
  Years ended December 31, Change
In millions 2014 2013 2012 2014 vs. 2013 2013 vs. 2012
Proceeds from borrowings $55
 $1,004
 $64
 $(949) $940
Payments on borrowings and capital lease obligations (94) (90) (145) (4) 55
Distributions to noncontrolling interests (83) (75) (62) (8) (13)
Dividend payments on common stock (512) (420) (340) (92) (80)
Repurchases of common stock (670) (381) (256) (289) (125)
Other, net (39) 14
 45
 (53) (31)
Net cash (used in) provided by financing activities $(1,343) $52
 $(694) $(1,395) $746
2014 vs. 2013
Net cash used in financing activities increased versus 2013 primarily due to lower proceeds from borrowings. In September 2013, we issued $1 billion aggregate principal amount of senior notes consisting of $500 million aggregate principal amount of 3.65% senior unsecured notes due in 2023 and $500 million aggregate principal amount of 4.875% senior unsecured notes due in 2043. Net proceeds from the issuance were $979 million.commercial paper borrowings for general corporate purposes.
OurThe total combined borrowing capacity under the revolving credit facility and commercial paper program should not exceed $2.75 billion. See Note 9, "DEBT," to our Consolidated Financial Statements for additional information.

As a well-known seasoned issuer, we filed an automatic shelf registration for an undetermined amount of debt was $1.7 billion at December 31, 2014, comparedand equity securities with $1.7 billion at December 31, 2013. Totalthe Securities and Exchange Commission (SEC) on February 16, 2016. Under this shelf registration we may offer, from time to time, debt as a percent of our total capital (total capital defined as debt plus equity) was 17.3 percent at December 31, 2014, compared with 18.1 percent at December 31, 2013.


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2013 vs. 2012
Net cash provided by financing activities increased versus 2012 primarily due to proceeds from the issuance of senior notes and lower payments on borrowings and capital lease obligations, partially offset by higher repurchases ofsecurities, common stock, preferred and higher dividend payments.preference stock, depositary shares, warrants, stock purchase contracts and stock purchase units.
Our total debt was $1.7 billion asUses of December 31, 2013, compared with $775 million as of December 31, 2012. Total debt as a percent of our total capital was 18.1 percent at December 31, 2013, compared with 10.0 percent at December 31, 2012.Cash
Repurchase of Common Stock
We repurchased $670 million of common stock under the 2012 Board of Directors authorized plan during 2014. Quarterly purchases were as follows:
In millions (except per share amounts)
For each quarter ended
 
Shares
Purchased
 
Average Cost
Per Share
 
Total Cost of
Repurchases
 
Remaining
Authorized
Capacity (1)
March 30 3.0
 $139.70
 $419
 $425
June 29 0.1
 148.11
 11
 415
September 28 1.2
 139.76
 175
 240
December 31 0.5
 132.66
 65
 174
Total 4.8
 $139.12
 $670
 $174

(1)The remaining authorized capacity is calculated based on the cost to purchase the shares, but excludes commission expenses according to the Board of Directors authorization. Repurchases
In July 2014,December 2016, our Board of Directors authorized the acquisition of up to $1 billion of additional common stock upon the completion of the 20122015 repurchase plan. In 2017, we made the following purchases under the 2015 repurchase program:
Quarterly
In millions (except per share amounts)
For each quarter ended
 
Shares
Purchased
 
Average Cost
Per Share
 
Total Cost of
Repurchases
 
Remaining
Authorized
Capacity (1)
April 2 0.3
 $151.32
 $51
 $445
July 2 0.5
 153.95
 69
 376
October 1 1.7
 155.05
 271
 105
December 31 0.4
 166.00
 60
 46
Total 2.9
 $155.81
 $451
 

(1)The remaining authorized capacity under the 2015 plan was calculated based on the cost to purchase the shares but excludes commission expenses in accordance with the authorized plan.
We intend to repurchase outstanding shares from time to time during 2018 to enhance shareholder value and to offset the dilutive impact of employee stock based compensation plans.
Dividends
Total dividends paid to common shareholders in 2014, 20132017, 2016 and 20122015 were $512$701 million, $420$676 million and $340$622 million, respectively. Declaration and payment of dividends in the future depends upon our income and liquidity position, among other factors, and is subject to declaration by our Board of Directors, who meet quarterly to consider our dividend payment. We expect to fund dividend payments with cash from operations.
In July 2014, the2017, our Board of Directors authorized aan increase to our quarterly dividend increase of approximately 255.4 percent from $0.625$1.025 per share to $0.78$1.08 per share on a quarterly basis.share. In July 2013, the2016, our Board of Directors authorized a 25 percentan increase to our quarterly cash dividend on our common stockof 5.1 percent from $0.50$0.975 per share to $0.625$1.025 per share. In July 2012, the2015, our Board of Directors authorized a 25 percentan increase to our quarterly cash dividend on our common stockof 25 percent from $0.40$0.78 per share to $0.50$0.975 per share. Cash dividends per share paid to common shareholders for the last three years were as follows:
 Quarterly Dividends Quarterly Dividends
 2014 2013 2012 2017 2016 2015
First quarter $0.625
 $0.50
 $0.40
 $1.025
 $0.975
 $0.78
Second quarter 0.625
 0.50
 0.40
 1.025
 0.975
 0.78
Third quarter 0.78
 0.625
 0.50
 1.08
 1.025
 0.975
Fourth quarter 0.78
 0.625
 0.50
 1.08
 1.025
 0.975
Total $2.81
 $2.25
 $1.80
 $4.21
 $4.00
 $3.51
Acquisitions
On July 31, 2017, we formed a joint venture with Eaton Corporation PLC by purchasing a 50 percent interest in the new venture named Eaton Cummins Automated Transmission Technologies (ECJV) for $600 million in cash. In addition, each partner contributed $20 million for working capital. See Note 18 "ACQUISITIONS," to the Consolidated Financial Statements for additional information.

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On November 1, 2017, we acquired Brammo Inc., an engineerer and manufacturer of lithium ion batteries primarily related to the utility vehicle markets, for $68 million. See Note 18 "ACQUISITIONS," to the Consolidated Financial Statements for additional information.
Capital Expenditures
Capital expenditures, including spending on internal use software, were $587 million in 2017, compared to $594 million in 2016. We continue to invest in new product lines and targeted capacity expansions. We plan to spend between $730 million and $760 million in 2018 on capital expenditures as we continue with product launches and facility improvements. Approximately 50 percent of our capital expenditures are expected to be invested outside of the U.S. in 2018.
Pensions
The funded status of our pension plans is dependent upon a variety of variables and assumptions including return on invested assets, market interest rates and levels of voluntary contributions to the plans. In 2017, the investment return on our U.S. pension trust was 12.9 percent while our U.K. pension trust return was 4.4 percent. Approximately 77 percent of our pension plan assets are held in highly liquid investments such as fixed income and equity securities. The remaining 23 percent of our plan assets are held in less liquid, but market valued investments, including real estate, private equity, venture capital, opportunistic credit and insurance contracts.
We sponsor funded and unfunded domestic and foreign defined benefit pension plans. Contributions to these plans were as follows:
  Years ended December 31,
In millions 2017 2016 2015
Defined benefit pension plans  
  
  
Voluntary contribution $233
 $133
 $82
Mandatory contribution 10
 1
 108
Defined benefit pension contributions 243
 134
 190
       
Defined contribution pension plans $84
 $68
 $74
We anticipate making total contributions of approximately $38 million to our defined benefit pension plans in 2018. Expected contributions to our defined benefit pension plans in 2018 will meet or exceed the current funding requirements.
Current Maturities of Short and Long-Term Debt
We had $298 million of commercial paper outstanding at December 31, 2017, that matures in less than one year. The maturity schedule of our existing long-term debt does not require significant cash outflows in the intermediate term. Required annual principal payments range from $6 million to $63 million over the next five years. See Note 9 "DEBT"to the Consolidated Financial Statements for additional information.


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Credit Ratings
A numberOur ratings and outlook from each of our contractual obligations and financing agreements, suchthe credit rating agencies as our revolving credit facility, have restrictive covenants and/or pricing modifications that may be triggeredof the date of filing are shown in the event of downward revisions to our corporate credit rating. There were no downgrades of our credit ratings in 2014 that have impacted these covenants or pricing modifications. In December 2014, Moody's Investors Service, Inc. raised our rating to 'A2' and confirmed our outlook as stable. In October 2014, Fitch Ratings reaffirmed our rating and outlook. In August 2014, Standard & Poor's Ratings Services raised our rating to 'A+' and confirmed our outlook as stable.table below.

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Long-TermShort-Term
Credit Rating Agency (1)
Senior Debt RatingDebt RatingOutlook
Standard & Poor’s Rating ServicesA+A1Stable
Moody’s Investors Service, Inc.A2P1Stable

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(1) Credit ratings are not recommendations to buy, are subject to change and each rating should be evaluated independently of any other rating. In addition, we undertake no obligation to update disclosures concerning our credit ratings, whether as a result of new information, future events or otherwise.
Management's Assessment of Liquidity
Our financial condition and liquidity remain strong. Our solid balance sheet and credit ratings enable us to have ready access to credit and outlookthe capital markets. We assess our liquidity in terms of our ability to generate adequate cash to fund our operating, investing and financing activities. We believe our operating cash flow and liquidity provides us with the financial flexibility needed to fund working capital, common stock repurchases, acquisitions, capital expenditures, dividend payments, projected pension obligations and debt service obligations. While we expect more efficient access to overseas earnings as a result of Tax Legislation, we continue to generate cash from each of the credit rating agencies as of the date of filing are shownoperations in the table below.U.S. and maintain access to our revolving credit facility as noted above.

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Credit Rating Agency
Senior L-T
Debt Rating
Outlook
Standard & Poor’s Rating ServicesA+Stable
Fitch RatingsAStable
Moody’s Investors Service, Inc.A2Stable

CONTRACTUAL OBLIGATIONS AND OTHER COMMERCIAL COMMITMENTS
A summary of payments due for our contractual obligations and other commercial commitments, as ofat December 31, 2014, is2017, are as follows:
Contractual Cash Obligations           Payments Due by Period  
In millions 2015 2016-2017 2018-2019 After 2019 Total 2018 2019-2020 2021-2022 After 2022 Total
Loans payable $86
 $
 $
 $
 $86
 $57
 $
 $
 $
 $57
Long-term debt and capital lease obligations(1)
 121
 225
 194
 3,010
 3,550
 169
 254
 180
 2,817
 3,420
Operating leases 152
 223
 152
 105
 632
 140
 188
 104
 70
 502
Capital expenditures 218
 53
 
 
 271
 280
 30
 
 
 310
Purchase commitments for inventory 644
 
 
 
 644
 789
 
 
 
 789
Other purchase commitments 378
 85
 16
 11
 490
 262
 17
 7
 16
 302
Pension funding(2)
 87
 
 
 
 87
Transitional tax liability 57
 54
 77
 150
 338
Other postretirement benefits 40
 74
 64
 230
 408
 29
 55
 51
 108
 243
International and other domestic letters of credit 90
 57
 
 2
 149
Performance and excise bonds 26
 14
 61
 1
 102
Guarantees, indemnifications and other commitments 31
 3
 7
 10
 51
Total $1,726

$660

$426

$3,356
 $6,168
 $1,930

$672

$487

$3,174
 $6,263

___________________________________________________________
(1) 
Includes principal payments and expected interest payments based on the terms of the obligations.  
(2)
We are contractually obligated in the U.K. to fund $87 million in 2015; however, our expected total pension contributions for 2015, including the U.K., are approximately $175 million.
The contractual obligations reported above exclude our unrecognized tax benefits of $174$41 million as of December 31, 2014.2017. We are not able to reasonably estimate the period in which cash outflows relating to uncertain tax contingencies could occur. See Note 4,2, "INCOME TAXES," to the Consolidated Financial Statements for further details.
Our other commercial commitments as of December 31, 2014, are as follows
additional information.
Other Commercial Commitments          
In millions 2015 2016-2017 2018-2019 After 2019 Total
Standby letters of credit under revolving credit agreements $23
 $1
 $
 $
 $24
International and other domestic letters of credit 46
 30
 
 7
 83
Performance and excise bonds 70
 6
 
 
 76
Guarantees, indemnifications and other commitments 4
 1
 
 
 5
Total $143
 $38
 $
 $7
 $188
APPLICATION OF CRITICAL ACCOUNTING ESTIMATES
A summary of our significant accounting policies is included in Note 1, "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES," of our Consolidated Financial Statements which discusses accounting policies that we have selected from acceptable alternatives.
Our Consolidated Financial Statements are prepared in accordance with GAAPgenerally accepted accounting principles in the U.S. (GAAP) which often requires management to make judgments, estimates and assumptions regarding uncertainties that affect the reported amounts presented and disclosed in the financial statements. Management reviews these estimates and assumptions based on historical experience, changes in business conditions and other relevant factors they believe to be reasonable under the circumstances. In any given reporting period, our actual results may differ from the estimates and assumptions used in preparing our Consolidated Financial Statements.

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Critical accounting estimates are defined as follows: the estimate requires management to make assumptions about matters that were highly uncertain at the time the estimate was made; different estimates reasonably could have been used; or if changes in the estimate are reasonably likely to occur from period to period and the change would have a material impact on our financial condition or results of operations. Our senior management has discussed the development and selection of our accounting policies, related accounting estimates and the disclosures set forth below with the Audit Committee of our Board of Directors. We believe our critical accounting estimates include those addressing the estimation of liabilities for warranty programs, accounting for income taxes and pension benefits.

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Warranty Programs
We estimate and record a liability for base warranty programs at the time our products are sold. Our estimates are based on historical experience and reflect management's best estimates of expected costs at the time products are sold and subsequent adjustment to those expected costs when actual costs differ. As a result of the uncertainty surrounding the nature and frequency of product recall programs, the liability for such programs is recorded when we commit to a recall action or when a recall becomes probable and estimable, which generally occurs when it is announced. Our warranty liability is generally affected by component failure rates, repair costs and the point of failure within the product life cycle. Future events and circumstances related to these factors could materially change our estimates and require adjustments to our liability. New product launches require a greater use of judgment in developing estimates until historical experience becomes available. Product specific experience is typically available four or five quarters after product launch, with a clear experience trend evident eight quarters after launch. We generally record warranty expense for new products upon shipment using a preceding product's warranty history and a multiplicative factor based upon preceding similar product experience and new product assessment until sufficient new product data is available for warranty estimation. We then use a blend of actual new product experience and preceding product historical experience for several subsequent quarters, and new product specific experience thereafter. Note 10,8, "PRODUCT WARRANTY LIABILITY," to our Consolidated Financial Statements contains a summary of the activity in our warranty liability account for 20142017, 2016 and 20132015 including adjustments to pre-existing warranties.
Accounting for Income Taxes
We determine our income tax expense using the asset and liability method. Under this method, deferred tax assets and liabilities are recognized for the future tax effects of temporary differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Future tax benefits of taxnet operating loss and credit carryforwards are also recognized as deferred tax assets. We evaluate the recoverability of our deferred tax assets each quarter by assessing the likelihood of future profitability and available tax planning strategies that could be implemented to realize our net deferred tax assets. At December 31, 2014,2017, we recorded net deferred tax assetsliabilities of $184$85 million. TheseThe assets included $190$359 million for the value of taxnet operating loss and credit carryforwards. A valuation allowance of $144$347 million was recorded to reduce the tax assets to the net value management believed was more likely than not to be realized. In the event our operating performance deteriorates, future assessments could conclude that a larger valuation allowance will be needed to further reduce the deferred tax assets.
On December 22, 2017, the U.S. enacted the Tax Cuts and Jobs Act (Tax Legislation). We have not completed our accounting for the tax effects of enactment of the Tax Legislation. We made provisional estimates of the effects on our existing deferred tax balances, the one-time transition tax, and the withholding tax accrued on those earnings not permanently reinvested at December 31, 2017. The final transition impacts of the Tax Legislation may differ from our estimates, possibly materially, due to, among other things, changes in interpretations for the Tax Legislation, any legislative action to address questions that arise because of the Tax Legislation, any changes in accounting standards for income taxes or related interpretations in response to the Tax Legislation, or any updates or changes to estimates the company has utilized to calculate the transition impacts. Final calculations will be completed within the one year measurement period ending December 22, 2018, as required under the rules issued by the SEC. Any change of provisional amounts will be reported in income from continuing operations in the period in which the initial estimates are revised. In addition, we operate within multiple taxing jurisdictions and are subject to tax audits in these jurisdictions. These audits can involve complex issues, which may require an extended period of time to resolve. We accrue for the estimated additional tax and interest that may result from tax authorities disputing uncertain tax positions wepositions. We have taken and we believe we have made adequate provisionprovisions for income taxes for all years that are subject to audit based upon the latest information available. A more complete description of our income taxes and the future benefits of our taxnet operating loss and credit carryforwards is disclosed in Note 4,2, "INCOME TAXES," to our Consolidated Financial Statements.
Pension Benefits
We sponsor a number of pension plans primarily in the U.S. and the U.K. and to a lesser degree in various other countries. In the U.S. and the U.K., we have several major defined benefit plans that are separately funded. We account for our pension programs in accordance with employers' accounting for defined benefit pension and other postretirement plans under GAAP. GAAP requires that amounts recognized in financial statements be determined using an actuarial basis. As a result, our pension benefit programs are based on a number of statistical and judgmental assumptions that attempt to anticipate future events and are used in calculating the expense and liability related to our plans each year at December 31. These assumptions include discount rates used to value liabilities, assumed rates of return on plan assets, future compensation increases, employee turnover rates, actuarial assumptions relating to retirement age, mortality rates and participant withdrawals. The actuarial assumptions we use may differ significantly from actual results due to changing economic conditions, participant life span and withdrawal rates. These differences may result in a material impact to the amount of net periodic pension cost to be recorded in our Consolidated Financial Statements in the future.


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The expected long-term return on plan assets is used in calculating the net periodic pension cost. We considered several factors in developing our expected rate of return on plan assets. The long-term rate of return considers historical returns and expected returns on current and projected asset allocations and is generally applied to a five-year average market value of return.allocations. Projected returns are based primarily on broad, publicly traded passive fixed income and equity indices and forward-looking estimates of the value added by active portfolio and investment management. As ofAt December 31, 2014,2017, based upon our target asset allocations, it is anticipated that our U.S. investment policy will generate an average annual return over the 10-year projection period equal to or in excess of 7.56.5 percent approximately 2032 percent of the time while returns of 8.07.0 percent or greater are anticipated 1521 percent of the time. We expecttime, including the additional positive returns expected from active investment management. The 2014 one-year return
Our plan assets have averaged annualized returns of 13.310.5 percent combined withover the very favorable returns since 2010, hasprior eight years, and resulted in approximately $470$418 million of actuarial gains in accumulated other comprehensive income overin the past five years.same period. Based on the historical returns and forward-looking return expectations, we believe an investment return assumption of 7.56.5 percent per year in 20152018 for U.S. pension assets is reasonable.
The methodology used to determine the rate of return on pension plan assets in the U.K. was based on establishing an equity-risk premium over current long-term bond yields adjusted based on target asset allocations. As ofAt December 31, 2014,2017, based upon our target asset allocations, it is anticipated that our U.K. investment policy will generate an average annual return over the 20-year projection period equal to or in excess of 5.24.1 percent approximately 50 percent of the time while returns of 6.14.8 percent or greater are anticipated 25 percent of the time. We expect modest additional positive returns from active investment management. The one-year return for our U.K. planplans was 16.84.4 percent for 2014,2017, and similar to our U.S. plan,plans, the strong returns over the past five yearssince 2010 have resulted in approximately $285$383 million of actuarial gains in accumulated other comprehensive income. Our strategy with respect to our investments in pension plan assets is to be invested with a long-term outlook. Therefore, the risk and return balance of our asset portfolio should reflect a long-term horizon. Based on the historical returns and forward-looking return expectations as the plan assets continue to be de-risked, we believe an investment return assumption of 5.84.0 percent in 20152018 for U.K. pension assets is reasonable. Our pension plan asset allocations at December 31, 20142017 and 20132016 and target allocation for 20152018 are as follows:
  U.S. Plans U.K. Plans
  Target Allocation Percentage of Plan Assets at December 31, Target Allocation Percentage of Plan Assets at December 31,
Investment description 2015 2014 2013 20152014 2013
Fixed income 64.0% 65.7% 57.4% 50.0% 56.0% 46.9%
Equity securities 22.0% 22.9% 30.5% 25.5% 32.0% 39.5%
Real estate/other 14.0% 11.4% 12.1% 24.5% 12.0% 13.6%
Total 100.0% 100.0% 100.0% 100.0% 100.0% 100.0%
  U.S. Plans U.K. Plans
  Target Allocation Percentage of Plan Assets at December 31, Target Allocation Percentage of Plan Assets at December 31,
Investment description 2018 2017 2016 20182017 2016
Liability matching 68.0% 68.3% 57.8% 56.5% 56.1% 54.6%
Risk seeking 32.0% 31.7% 42.2% 43.5% 43.9% 45.4%
Total 100.0% 100.0% 100.0% 100.0% 100.0% 100.0%
The differences between the actual return on plan assets and expected long-term return on plan assets are recognized in the asset value used to calculate net periodic cost over five years. The table below sets forth the expected return assumptions used to develop our pension cost for the period 2012-20142015-2017 and our expected rate of return for 2015.2018.
 Long-term Expected Return Assumptions Long-term Expected Return Assumptions
 2015 2014 2013 2012 2018 2017 2016 2015
U.S. plans 7.50% 7.50% 8.00% 8.00% 6.50% 7.25% 7.50% 7.50%
U.K. plans 5.80% 5.80% 5.80% 6.50% 4.00% 4.50% 4.70% 5.80%
A lower expected rate of return will increase our net periodic pension cost and reduce profitability.
GAAP for pensions offers various acceptable alternatives to account for the differences that eventually arise between the estimates used in the actuarial valuations and the actual results. It is acceptable to delay or immediately recognize these differences. Under the delayed recognition alternative, changes in pension obligationobligations (including those resulting from plan amendments) and changes in the value of assets set aside to meet those obligations are not recognized in net periodic pension cost as they occur but are recognized initially in accumulated other comprehensive incomeloss and subsequently amortized as components of net periodic pension cost systematically and gradually over future periods. In addition to this approach, GAAP also allows immediate recognition of actuarial gains or losses. Immediate recognition introduces volatility in financial results. We have chosen to delay recognition and amortize actuarial differences over future periods. If we adopted the immediate recognition approach, we would record a loss of $897$864 million ($614680 million after-tax) from cumulative actuarial net losses for our U.S. and U.K. pension plans.


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The difference between the expected return and the actual return on plan assets is deferred from recognition in our results of operations and under certain circumstances such as when the difference exceeds 10 percent of the market value of plan assets or the projected benefit obligation, (PBO), amortized over future years of service. This is also true of changes to actuarial assumptions. As of December 31, 2014, we had net pension actuarial losses of $611 million and $286 million for the U.S. and U.K. pension plans, respectively. Under GAAP, the actuarial gains and losses are recognized and recorded in accumulated other comprehensive loss. NetAt December 31, 2017, we had net pension actuarial losses decreased our shareholders' equity by $78of $649 million (after-tax) in 2014. The losses were due to liability losses from lower U.S. and U.K. discount rates, partially offset by improved plan asset performance$207 million for both the U.S. and U.K. plans.pension plans, respectively. As these amounts exceed 10 percent of our PBO,their respective plan assets, the excess is amortized over the average remaining service lives of participating employees. Net actuarial losses decreased our shareholders' equity by $28 millionafter-tax in 2017. The loss is due to lower discount rates in the U.S. and U.K. and unfavorable foreign currency, partially offset by strong asset performance in the U.S. and the U.K.
The table below sets forth the net periodic pension cost for the period 2012-2014years ended December 31 and our expected cost for 2015.2018.
In millions 2015 2014 2013 2012 2018 2017 2016 2015
Net periodic pension cost $58
 $57
 $87
 $64
 $79
 $82
 $42
 $63
We expect 20152018 net periodic pension cost to remain flat whendecrease compared to 2014,2017, primarily due to reduced loss amortization in the U.S. and U.K., which resulted from strong asset performance, partially offset by lower expected asset returns in the U.S. and U.K. as we de-risk plan trust assets. The increase in net periodic pension cost in 2017 compared to 2016 was primarily due to onboarding North American distributors to Cummins pension benefits, a lower expected rate of return in the U.S. and U.K. and lower discount rates in the U.S. and U.K. and unfavorable mortality demographics in the U.S., offset by favorable expected return on asset performance in both the U.S. and U.K. The decrease in net periodic pension cost in 20142016 compared to 20132015 was due to reduced loss amortizations resulting from improvedin the U.S. asset performance and aU.K. and higher discount rate. The increaserates in periodic pension cost in 2013 compared to 2012 was due to unfavorable impacts of higher service cost due to increased headcount, decreased discount ratesthe U.S. and U.K., partially offset by lower expected asset returns for ourin the U.K. plan as we de-riskde-risked plan trust assets moving toward more conservative investments.assets. Another key assumption used in the development of the net periodic pension cost is the discount rate. The weighted averageweighted-average discount rates used to develop our net periodic pension cost are set forth in the table below.
 Discount Rates Discount Rates
 2015 2014 2013 2012 2018 2017 2016 2015
U.S. plans 4.07% 4.83% 3.97% 4.82% 3.66% 4.12% 4.47% 4.07%
U.K. plans 3.80% 4.60% 4.70% 5.20% 2.55% 2.70% 3.95% 3.80%
Changes in the discount rate assumptions will impact the interest cost component of the net periodic pension cost calculation.
The discount rate enables us to state expected future cash payments for benefits as a present value on the measurement date. The guidelines for setting this rate are discussed in GAAP which suggests the use of a high-quality corporate bond rate. We used bond information provided by Moody's Investor Services, Inc. and Standard & Poor's Rating Services. All bonds used to develop our hypothetical portfolio in the U.S. and U.K. were deemed high-quality, non-callable bonds (Aa or better) as ofat December 31, 2014,2017, by at least one of the bond rating agencies. The average yield of this hypothetical bond portfolio was used as the benchmark for determining the discount rate to be used to value the obligations of the plans subject to GAAP for pensions and other postretirement benefits.
Our model called for projected payments until near extinction for the U.S. and the U.K. For both countries, our model matches the present value of the plan's projected benefit payments to the market value of the theoretical settlement bond portfolio. A single equivalent discount rate is determined to align the present value of the required cash flow with the value of the bond portfolio. The resulting discount rate is reflective of both the current interest rate environment and the plan's distinct liability characteristics.
The table below sets forth the estimated impact on our 20152018 net periodic pension cost relative to a change in the discount rate and a change in the expected rate of return on plan assets.
In millionsImpact on Pension Cost Increase/(Decrease)Impact on Pension Cost Increase/(Decrease)
Discount rate used to value liabilities  
0.25 percent increase$(13)$(16)
0.25 percent decrease13
17
Expected rate of return on assets  
1 percent increase(41)(48)
1 percent decrease41
48


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The above sensitivities reflect the impact of changing one assumption at a time. A higher discount rate decreases the plan obligations and decreases our net periodic pension cost. A lower discount rate increases the plan obligations and increases our net periodic pension cost. It should be noted that economic factors and conditions often affect multiple assumptions simultaneously and the effects of changes in key assumptions are not necessarily linear. Note 11,10, "PENSION AND OTHER POSTRETIREMENT BENEFITS," to our Consolidated Financial Statements provides a summary of our pension benefit plan activity, the funded status of our plans and the amounts recognized in our Consolidated Financial Statements.
RECENTLY ADOPTED AND RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS
Accounting Pronouncements Recently Adopted
In February 2013,See Note 1, "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES", to the Financial Accounting Standards Board (FASB) amended its standards on comprehensive income by requiring disclosure in the footnotes of information about amounts reclassified out of accumulated other comprehensive income by component. Specifically, the amendment requires disclosure of the line items on net income in which the item was reclassified only if it is reclassified to net income in its entirety in the same reporting period. The new rules became effective for us beginning January 1, 2013 and were adopted prospectively in accordance with the standard. The standard resulted in new disclosures in NOTE 15, "ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)."
Accounting Pronouncements Issued But Not Yet Effective
In May 2014, the FASB amended its standards related to revenue recognition. This amendment replaces all existing revenue recognition guidance and provides a single, comprehensive revenue recognition model for all contracts with customers. The standard contains principles that we will apply to determine the measurement of revenue and timing of when it is recognized. The underlying principle is that we will recognize revenue in a manner that depicts the transfer of goods or services to customers at an amount that we expect to be entitled to in exchange for those goods or services. The standard allows either full or modified retrospective adoption. Early adoption is not permitted. The guidance provides a five-step analysis of transactions to determine when and how revenue is recognized. Other major provisions include capitalization of certain contract costs, consideration of time value of money in the transaction price and allowing estimates of variable consideration to be recognized before contingencies are resolved in certain circumstances. The amendment also requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to fulfill a contract. The new rules will become effective for annual and interim periods beginning January 1, 2017. We are in the process of evaluating the impact the amendment will have on our Consolidated Financial Statements, and we are further considering the impact of each method of adoption.for additional information.
ITEM 7A.    Quantitative and Qualitative Disclosures About Market Risk
We are exposed to financial risk resulting from volatility in foreign exchange rates, interest rates and commodity prices and interest rates.prices. This risk is closely monitored and managed through the use of financial derivative instruments including foreign currency forward contracts, interest rate swaps, commodity zero-cost collars and interest rate swaps.physical forward contracts. These instruments, as further described below, are accounted for as cash flow or fair value hedges or as economic hedges not designated as hedges for accounting purposes. Financial derivatives are used expressly for hedging purposes and under no circumstances are they used for speculative purposes. When material, we adjust the estimated fair value of our derivative contracts for counter-partycounterparty or our credit risk. None of our derivative instruments are subject to collateral requirements. Substantially all of our derivative contracts are subject to master netting arrangements which provide us with the option to settle certain contracts on a net basis when they settle on the same day with the same currency. In addition, these arrangements provide for a net settlement of all contracts with a given counterparty in the event that the arrangement is terminated due to the occurrence of default or a termination event.
We also enter into physical forward contracts with certain suppliers to purchase minimum volumes of commodities at contractually stated prices for various periods. These arrangements, as further described below, enable us to fix the prices of portions of our normal purchases of these commodities, which otherwise are subject to market volatility.
The following describes our risk exposures and provides the results of a sensitivity analysis performed as ofat December 31, 2014.2017. The sensitivity analysis assumes instantaneous, parallel shifts in foreign currency exchange rates and commodity prices.
Foreign Exchange RatesRate Risk
As a result of our international business presence, we are exposed to foreign currency exchange rate risks. We transact business in foreign currencies and, as a result, our income experiences some volatility related to movements in foreign currency exchange rates. To help manage our exposure to exchange rate volatility, we use foreign currency forward contracts on a regular basis to hedge forecasted intercompany and third-party sales and purchases denominated in non-functional currencies. Our internal policy allows for managing anticipated foreign currency cash flows for up to one year.18 months. These foreign currency forward contracts are designated and qualify as foreign currency cash flow hedges under GAAP. For the years ended December 31, 20142017 and 2013,2016, there were no circumstances that would have resulted in the discontinuance of a foreign currency cash flow hedge.

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To minimize the income volatility resulting from the remeasurement of net monetary assets and payables denominated in a currency other than the functional currency, we enter into foreign currency forward contracts, which are considered economic hedges. The objective is to offset the gain or loss from remeasurement with the gain or loss from the fair market valuation of the forward contract. These derivative instruments are not designated as hedges under GAAP.
As ofAt December 31, 2014,2017, the potential gain or loss in the fair value of our outstanding foreign currency contracts, assuming a hypothetical 10 percent fluctuation in the currencies of such contracts, would be approximately $21$101 million. The sensitivity analysis of the effects of changes in foreign currency exchange rates assumes the notional value to remain constant for the next 12 months. The analysis ignores the impact of foreign exchange movements on our competitive position and potential changes in sales levels. Any change in the value of the contracts, real or hypothetical, would be significantly offset by an inverse change in the value of the underlying hedged items.

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Interest Rate Risk
We are exposed to market risk from fluctuations in interest rates. We manage our exposure to interest rate fluctuations through the use of interest rate swaps. The objective of the swaps is to more effectively balance our borrowing costs and interest rate risk.
In February 2014, we settled our November 2005 interest rate swap which previously converted our $250 million debt issue, due in 2028, from a fixed rate of 7.125 percent to a floating rate based on LIBOR plus a spread. Also, in February 2014, we entered intoWe have a series of interest rate swaps to effectively convert our September 2013, $500 million debt issue, due in 2023, from a fixed rate of 3.65 percent to a floating rate equal to the one-month LIBOR plus a spread. The terms of the swaps mirror those of the debt, with interest paid semi-annually. The swaps were designated, and will be accounted for, as fair value hedges under GAAP. The gain or loss on these derivative instruments, as well as the offsetting gain or loss on the hedged item attributable to the hedged risk, are recognized in current income as “Interest expense.” The net swap settlements that accrue each period are also reported in interest expense.
The following table summarizes these gains and losses for the years presented below:
 Years ended December 31, Years ended December 31,
In millions 2014 2013 2012 2017 2016 2015
Income Statement Classification Gain/(Loss) on
Swaps
 Gain/(Loss) on
Borrowings
 Gain/(Loss) on
Swaps
 Gain/(Loss) on
Borrowings
 Gain/(Loss) on
Swaps
 Gain/(Loss) on
Borrowings
 Gain/(Loss) on Swaps Gain/(Loss) on Borrowings Gain/(Loss) on Swaps Gain/(Loss) on Borrowings Gain/(Loss) on
Swaps
 Gain/(Loss) on
Borrowings
Interest expense (1)
 $23
 $(19) $(39) $39
 $6
 $(6) $(7) $8
 $(8) $12
 $6
 $(2)

(1) The difference between the gain/(loss) on swaps and borrowings represents hedge ineffectiveness.
Commodity Price Risk
We are exposed to fluctuations in commodity prices due to contractual agreements with component suppliers. In order to protect ourselves against future price volatility and, consequently, fluctuations in gross margins, we periodically enter into commodity zero-cost collar contracts with designated banks to fix the cost of certain raw material purchases with the objective of minimizing changes in inventory cost due to market price fluctuations. We haveThese commodity zero-cost collar contracts that represent an economic hedge, but are not designated for hedge accounting and are marked to market through earnings. Our internal policy allows for managing our cash flow hedges for up to three years.
As ofAt December 31, 2014,2017, the potential gain or loss related to the outstanding commodity zero-cost collar contracts, assuming a hypothetical 10 percent fluctuation in the price of such commodities, was $2would be approximately $3 million. The sensitivity analysis of the effects of changes in commodity prices assumes the notional value to remain constant for the next 12 months. The analysis ignores the impact of commodity price movements on our competitive position and potential changes in sales levels. Any change in the value of the zero-cost collar contracts, real or hypothetical, would be significantly offset by an inverse change in the value of the underlying hedged items.

We also limit our exposure to commodity price risk by entering into purchasing arrangements to fix the price of certain volumes of platinum and palladium expected to be used in our products. We enter into physical forward contracts with suppliers of platinum and palladium to purchase some volumes of the commodities at contractually stated prices for various periods, generally not exceeding one year. These arrangements enable us to fix the prices of a portion of our purchases of these commodities, which otherwise are subject to market volatility.

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ITEM 8.    Financial Statements and Supplementary Data
Index to Financial Statements
Management's Report to Shareholders
Report of Independent Registered Public Accounting Firm
Consolidated Statements of Incomefor the years ended December 31, 2014, 2013 and 2012
Consolidated Statements of Comprehensive Incomefor the years ended December 31, 2014, 2013 and 2012
Consolidated Balance Sheetsat December 31, 2014 and 2013
Consolidated Statements of Cash Flowsfor the years ended December 31, 2014, 2013 and 2012
Consolidated Statements of Changes in Equityfor the years ended December 31, 2014, 2013 and 2012
Consolidated Statements of Incomefor the years ended December 31, 2017, 2016 and 2015
Consolidated Statements of Comprehensive Incomefor the years ended December 31, 2017, 2016 and 2015
Consolidated Balance Sheetsat December 31, 2017 and 2016
Consolidated Statements of Cash Flowsfor the years ended December 31, 2017, 2016 and 2015
Consolidated Statements of Changes in Equityfor the years ended December 31, 2017, 2016 and 2015
Notes to Consolidated Financial Statements
NOTE 1 SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
NOTE 2 ACQUISITIONSINCOME TAXES
NOTE 3 INVESTMENTS IN EQUITY INVESTEES
NOTE 4 INCOME TAXESMARKETABLE SECURITIES
NOTE 5 MARKETABLE SECURITIESINVENTORIES
NOTE 6INVENTORIES
NOTE 7 PROPERTY, PLANT AND EQUIPMENT
NOTE 87 GOODWILL AND OTHER INTANGIBLE ASSETS
NOTE 8PRODUCT WARRANTY LIABILITY
NOTE 9 DEBT
NOTE 10 PRODUCT WARRANTY LIABILITY
NOTE 11PENSION AND OTHER POSTRETIREMENT BENEFITS
NOTE 1211 OTHER LIABILITIES AND DEFERRED REVENUE
NOTE 1312 COMMITMENTS AND CONTINGENCIES
NOTE 1413 SHAREHOLDERS' EQUITY
NOTE 1514 ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)LOSS
NOTE 1615 STOCK INCENTIVE AND STOCK OPTION PLANS
NOTE 1716 NONCONTROLLING INTERESTS
NOTE 1817 EARNINGS PER SHARE
NOTE 18ACQUISITIONS
NOTE 19IMPAIRMENT OF LIGHT-DUTY DIESEL ASSETS
NOTE 20RESTRUCTURING ACTIONS AND OTHER CHARGES
NOTE 21 OPERATING SEGMENTS

Selected Quarterly Financial Data (Unaudited)




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MANAGEMENT'S REPORT TO SHAREHOLDERS
Management's Report on Financial Statements and Practices
The accompanying Consolidated Financial Statements of Cummins Inc. were prepared by management, which is responsible for their integrity and objectivity. The statements were prepared in accordance with generally accepted accounting principles and include amounts that are based on management's best judgments and estimates. The other financial information included in the annual report is consistent with that in the financial statements.
Management also recognizes its responsibility for conducting our affairs according to the highest standards of personal and corporate conduct. This responsibility is characterized and reflected in key policy statements issued from time to time regarding, among other things, conduct of its business activities within the laws of the host countries in which we operate, within The Foreign Corrupt Practices Act and potentially conflicting interests of its employees. We maintain a systematic program to assess compliance with these policies.
To comply with the requirements of Section 404 of the Sarbanes-Oxley Act of 2002, we designed and implemented a structured and comprehensive compliance process to evaluate our internal control over financial reporting across the enterprise.
Management's Report on Internal Control Over Financial Reporting
The management of Cummins Inc. is responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and preparation of our Consolidated Financial Statements for external purposes in accordance with accounting principles generally accepted in the United States of America.
Management assessed the effectiveness of our internal control over financial reporting and concluded it was effective as of December 31, 2014.2017. In making its assessment, management utilized the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission in Internal Control—Integrated Framework (2013).
The effectiveness of our internal control over financial reporting as of December 31, 2014,2017, has been audited by PricewaterhouseCoopers LLP, an independent registered public accounting firm, as stated in their report which appears herein.
Officer Certifications
Please refer to Exhibits 31(a) and 31(b) attached to this report for certifications required under Section 302 of the Sarbanes-Oxley Act of 2002.
/s/ N. THOMAS LINEBARGER /s/ PATRICK J. WARD
Chairman and Chief Executive Officer Vice President and Chief Financial Officer


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Report of Independent Registered Public Accounting Firm

To the Board of Directors and Shareholders of Cummins Inc.:

Opinions on the Financial Statements and Internal Control over Financial Reporting

We have audited the accompanying consolidated balance sheets of Cummins Inc. and its subsidiaries as of December 31, 2017 and 2016, and the related consolidated statements of income, comprehensive income, cash flows, and changes in equity for each of the three years in the period ended December 31, 2017, including the related notes (collectively referred to as the “consolidated financial statements”). We also have audited the Company's internal control over financial reporting as of December 31, 2017, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”).

In our opinion, the consolidated financial statements listed in the accompanying indexreferred to above present fairly, in all material respects, the financial position of Cummins Inc. and its subsidiaries atthe Company as of December 31, 20142017 and 2013,2016, and the results of their operations and their cash flows for each of the three years in the period ended December 31, 20142017 in conformity with accounting principles generally accepted in the United States of America. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2014,2017, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). COSO.

Basis for Opinions

The Company's management is responsible for these consolidated financial statements, for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying "Management'sManagement's Report on Internal Control Overover Financial Reporting." Our responsibility is to express opinions on thesethe Company’s consolidated financial statements and on the Company's internal control over financial reporting based on our integrated audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) ("PCAOB") and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States).PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud, and whether effective internal control over financial reporting was maintained in all material respects.

Our audits of the consolidated financial statements included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence supportingregarding the amounts and disclosures in the consolidated financial statements, assessingstatements. Our audits also included evaluating the accounting principles used and significant estimates made by management, andas well as evaluating the overall presentation of the consolidated financial statement presentation.statements. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.


Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.



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Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.




/s/ PricewaterhouseCoopers LLP
Indianapolis, IndianaIN
February 17, 201514, 2018


We have served as the Company’s auditor since 2002.

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CUMMINS INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF INCOME
 Years ended December 31, Years ended December 31,
In millions, except per share amounts  2014 2013 2012 2017 2016 2015
NET SALES (a)
 $19,221
 $17,301
 $17,334
 $20,428
 $17,509
 $19,110
Cost of sales (Note 1) 14,360
 13,021
 12,918
Cost of sales 15,338
 13,057
 14,163
GROSS MARGIN 4,861
 4,280
 4,416
 5,090
 4,452
 4,947
      
OPERATING EXPENSES AND INCOME            
Selling, general and administrative expenses (Note 1) 2,095
 1,817
 1,808
Selling, general and administrative expenses 2,390
 2,046
 2,092
Research, development and engineering expenses 754
 713
 728
 752
 636
 735
Equity, royalty and interest income from investees (Note 3) 370
 361
 384
 357
 301
 315
Loss contingency (Note 12) 5
 138
 60
Impairment of light-duty diesel assets (Note 19) 
 
 211
Restructuring actions and other charges (Note 20) 
 
 90
Other operating income (expense), net (17) (10) (10) 65
 (5) (17)
OPERATING INCOME 2,365
 2,101
 2,254
 2,365
 1,928
 2,057
      
Interest income 23
 27
 25
 18
 23
 24
Interest expense (Note 9) 64
 41
 32
 81
 69
 65
Other income (expense), net 110
 32
 24
Other income, net 63
 48
 9
INCOME BEFORE INCOME TAXES 2,434
 2,119
 2,271
 2,365
 1,930
 2,025
      
Income tax expense (Note 4) 698
 531
 533
Income tax expense (Note 2) 1,371
 474
 555
CONSOLIDATED NET INCOME 1,736
 1,588
 1,738
 994
 1,456
 1,470
      
Less: Net income attributable to noncontrolling interests 85
 105
 93
Less: Net (loss) income attributable to noncontrolling interests (Note 16) (5) 62
 71
NET INCOME ATTRIBUTABLE TO CUMMINS INC. $1,651
 $1,483
 $1,645
 $999
 $1,394
 $1,399
            
EARNINGS PER COMMON SHARE ATTRIBUTABLE TO CUMMINS INC. (Note 18)      
EARNINGS PER COMMON SHARE ATTRIBUTABLE TO CUMMINS INC. (Note 17)      
Basic $9.04
 $7.93
 $8.69
 $5.99
 $8.25
 $7.86
Diluted $9.02
 $7.91
 $8.67
 $5.97
 $8.23
 $7.84

(a) 
Includes sales to nonconsolidated equity investees of $2,063$1,174 million, $2,319$1,028 million and $2,427$1,209 million for the years ended December 31, 2014, 20132017, 2016 and 2012,2015, respectively.
The accompanying notes are an integral part of our Consolidated Financial Statements.

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CUMMINS INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
 Years ended December 31, Years ended December 31,
In millions 2014 2013 2012 2017 2016 2015
CONSOLIDATED NET INCOME $1,736
 $1,588
 $1,738
 $994
 $1,456
 $1,470
Other comprehensive (loss) income, net of tax (Note 15)      
Other comprehensive income (loss), net of tax (Note 14)      
Change in pension and other postretirement defined benefit plans (4) (31) 15
Foreign currency translation adjustments (234) (46) 29
 335
 (448) (305)
Unrealized (loss) gain on derivatives (1) (1) 20
Change in pension and other postretirement defined benefit plans (58) 183
 (70)
Unrealized (loss) gain on marketable securities (12) 1
 2
Total other comprehensive (loss) income, net of tax (305) 137
 (19)
Unrealized gain (loss) on marketable securities 2
 1
 (1)
Unrealized gain (loss) on derivatives 5
 (12) 6
Total other comprehensive income (loss), net of tax 338
 (490) (285)
COMPREHENSIVE INCOME 1,431
 1,725
 1,719
 1,332
 966
 1,185
Less: Comprehensive income attributable to noncontrolling interests 74
 76
 86
 15
 45
 56
COMPREHENSIVE INCOME ATTRIBUTABLE TO CUMMINS INC. $1,357
 $1,649
 $1,633
 $1,317
 $921
 $1,129
The accompanying notes are an integral part of our Consolidated Financial Statements.


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CUMMINS INC. AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
  December 31,
In millions, except par value 2014 2013
ASSETS    
Current assets    
Cash and cash equivalents $2,301
 $2,699
Marketable securities (Note 5) 93
 150
Total cash, cash equivalents and marketable securities 2,394
 2,849
Accounts and notes receivable, net    
Trade and other 2,744
 2,362
Nonconsolidated equity investees 202
 287
Inventories (Note 6) 2,866
 2,381
Prepaid expenses and other current assets 849
 760
Total current assets 9,055
 8,639
Long-term assets    
Property, plant and equipment, net (Note 7) 3,686
 3,156
Investments and advances related to equity method investees (Note 3) 981
 931
Goodwill (Note 8) 479
 461
Other intangible assets, net (Note 8) 343
 357
Prepaid pensions (Note 11) 637
 514
Other assets 595
 670
Total assets $15,776

$14,728
     
LIABILITIES    
Current liabilities    
Loans payable (Note 9) $86
 $17
Accounts payable (principally trade) 1,881
 1,557
Current maturities of long-term debt (Note 9) 23
 51
Current portion of accrued product warranty (Note 10) 363
 360
Accrued compensation, benefits and retirement costs 508
 433
Deferred revenue 401
 285
Taxes payable (including taxes on income) 70
 99
Other accrued expenses 689
 566
Total current liabilities 4,021
 3,368
Long-term liabilities    
Long-term debt (Note 9) 1,589
 1,672
Pensions (Note 11) 289
 232
Postretirement benefits other than pensions (Note 11) 369
 356
Other liabilities and deferred revenue (Note 12) 1,415
 1,230
Total liabilities $7,683
 $6,858
Commitments and contingencies (Note 13) 

 

     
EQUITY    
Cummins Inc. shareholders’ equity (Note 14)    
Common stock, $2.50 par value, 500 shares authorized, 222.3 and 222.3 shares issued $2,139
 $2,099
Retained earnings 9,545
 8,406
Treasury stock, at cost, 40.1 and 35.6 shares (2,844) (2,195)
Common stock held by employee benefits trust, at cost, 1.1 and 1.3 shares (13) (16)
Accumulated other comprehensive loss (Note 15)    
Defined benefit postretirement plans (669) (611)
Other (409) (173)
Total accumulated other comprehensive loss (1,078) (784)
Total Cummins Inc. shareholders’ equity 7,749
 7,510
Noncontrolling interests (Note 17) 344
 360
Total equity $8,093
 $7,870
Total liabilities and equity $15,776
 $14,728
The accompanying notes are an integral part of our Consolidated Financial Statements.

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CUMMINS INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS
  Years ended December 31,
In millions 2014 2013 2012
CASH FLOWS FROM OPERATING ACTIVITIES      
Consolidated net income $1,736
 $1,588
 $1,738
Adjustments to reconcile consolidated net income to net cash provided by operating activities      
Depreciation and amortization 455
 407
 361
Gain on fair value adjustment for consolidated investees (Note 2) (73) (12) (7)
Deferred income taxes (Note 4) 31
 100
 116
Equity in income of investees, net of dividends (100) (62) (15)
Pension contributions in excess of expense (Note 11) (148) (82) (68)
Other post-retirement benefits payments in excess of expense (Note 11) (28) (25) (21)
Stock-based compensation expense 36
 37
 36
Translation and hedging activities (13) 17
 
Changes in current assets and liabilities, net of acquisitions      
Accounts and notes receivable (89) (148) 87
Inventories (256) (46) (32)
Other current assets 1
 212
 (60)
Accounts payable 244
 163
 (256)
Accrued expenses 168
 (246) (514)
Changes in other liabilities and deferred revenue 282
 211
 214
Other, net 20
 (25) (47)
Net cash provided by operating activites 2,266
 2,089
 1,532
CASH FLOWS FROM INVESTING ACTIVITIES      
Capital expenditures (743) (676) (690)
Investments in internal use software (55) (64) (87)
Investments in and advances to equity investees (60) (42) (70)
Acquisitions of businesses, net of cash acquired (Note 2) (436) (147) (215)
Investments in marketable securities—acquisitions (Note 5) (275) (418) (561)
Investments in marketable securities—liquidations (Note 5) 336
 525
 585
Purchases of other investments 
 (40) 
Cash flows from derivatives not designated as hedges (14) 1
 12
Other, net 13
 15
 44
Net cash used in investing activities (1,234) (846) (982)
CASH FLOWS FROM FINANCING ACTIVITIES      
Proceeds from borrowings (Note 9) 55
 1,004
 64
Payments on borrowings and capital lease obligations (94) (90) (145)
Distributions to noncontrolling interests (83) (75) (62)
Dividend payments on common stock (Note 14) (512) (420) (340)
Repurchases of common stock (Note 15) (670) (381) (256)
Other, net (39) 14
 45
Net cash (used in) provided by financing activities (1,343) 52
 (694)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS (87) 35
 29
Net (decrease) increase in cash and cash equivalents (398) 1,330

(115)
Cash and cash equivalents at beginning of year 2,699
 1,369
 1,484
CASH AND CASH EQUIVALENTS AT END OF PERIOD $2,301
 $2,699
 $1,369
  December 31,
In millions, except par value 2017 2016
ASSETS    
Current assets    
Cash and cash equivalents $1,369
 $1,120
Marketable securities (Note 4) 198
 260
Total cash, cash equivalents and marketable securities 1,567
 1,380
Accounts and notes receivable, net    
Trade and other 3,311
 2,803
Nonconsolidated equity investees 307
 222
Inventories (Note 5) 3,166
 2,675
Prepaid expenses and other current assets 577
 627
Total current assets 8,928
 7,707
Long-term assets    
Property, plant and equipment, net (Note 6) 3,927
 3,800
Investments and advances related to equity method investees (Note 3) 1,156
 946
Goodwill (Note 7) 1,082
 480
Other intangible assets, net (Note 7) 973
 332
Pension assets (Note 10) 1,043
 731
Other assets 966
 1,015
Total assets $18,075

$15,011
     
LIABILITIES    
Current liabilities    
Accounts payable (principally trade) $2,579
 $1,854
Loans payable (Note 9) 57
 41
Commercial paper (Note 9) 298
 212
Accrued compensation, benefits and retirement costs 811
 412
Current portion of accrued product warranty (Note 8) 454
 333
Current portion of deferred revenue 500
 468
Other accrued expenses 915
 970
Current maturities of long-term debt (Note 9) 63
 35
Total current liabilities 5,677
 4,325
Long-term liabilities    
Long-term debt (Note 9) 1,588
 1,568
Postretirement benefits other than pensions (Note 10) 289
 329
Pensions (Note 10) 330
 326
Other liabilities and deferred revenue (Note 11) 2,027
 1,289
Total liabilities $9,911
 $7,837
     
Commitments and contingencies (Note 12) 


 


     
EQUITY    
Cummins Inc. shareholders’ equity (Note 13)    
Common stock, $2.50 par value, 500 shares authorized, 222.4 and 222.4 shares issued $2,210
 $2,153
Retained earnings 11,464
 11,040
Treasury stock, at cost, 56.7 and 54.2 shares (4,905) (4,489)
Common stock held by employee benefits trust, at cost, 0.5 and 0.7 shares (7) (8)
Accumulated other comprehensive loss (Note 14) (1,503) (1,821)
Total Cummins Inc. shareholders’ equity 7,259
 6,875
Noncontrolling interests (Note 16) 905
 299
Total equity $8,164
 $7,174
Total liabilities and equity $18,075
 $15,011
The accompanying notes are an integral part of our Consolidated Financial Statements.


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CUMMINS INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CHANGES IN EQUITYCASH FLOWS
In millionsCommon
Stock
 Additional
paid-in
Capital
 Retained
Earnings
 Accumulated
Other
Comprehensive
Loss
 Treasury
Stock
 Common
Stock
Held in
Trust
 Total
Cummins Inc.
Shareholders’
Equity
 Noncontrolling
Interests
 Total
Equity
BALANCE AT DECEMBER 31, 2011$555
 $1,446
 $6,038
 $(938) $(1,587) $(22) $5,492
 $339
 $5,831
Net income 
  
 1,645
  
  
  
 1,645
 93
 1,738
Other comprehensive income (loss) 
  
  
 (12)  
  
 (12) (7) (19)
Issuance of shares1
 6
  
  
  
  
 7
 
 7
Employee benefits trust activity 
 27
  
  
  
 4
 31
 
 31
Acquisition of shares 
  
  
  
 (256)  
 (256) 
 (256)
Cash dividends on common stock 
  
 (340)  
  
  
 (340) 
 (340)
Distributions to noncontrolling interests 
  
  
  
  
  
 
 (76) (76)
Stock based awards 
    
  
 13
  
 13
 
 13
Other shareholder transactions

 23
 

  
  
  
 23
 22
 45
BALANCE AT DECEMBER 31, 2012$556
 $1,502
 $7,343
 $(950) $(1,830) $(18) $6,603
 $371
 $6,974
Net income 
  
 1,483
  
  
  
 1,483
 105
 1,588
Other comprehensive income (loss) 
  
  
 166
  
  
 166
 (29) 137
Issuance of shares  8
  
  
  
  
 8
 
 8
Employee benefits trust activity 
 24
  
  
  
 2
 26
 
 26
Acquisition of shares 
  
  
  
 (381)  
 (381) 
 (381)
Cash dividends on common stock 
  
 (420)  
  
  
 (420) 
 (420)
Distributions to noncontrolling interests 
  
  
  
  
  
 
 (75) (75)
Stock based awards 
 1
  
  
 16
  
 17
 
 17
Other shareholder transactions 
 8
  
  
  
  
 8
 (12) (4)
BALANCE AT DECEMBER 31, 2013$556
 $1,543
 $8,406
 $(784) $(2,195) $(16) $7,510
 $360
 $7,870
Net income 
  
 1,651
  
  
  
 1,651
 85
 1,736
Other comprehensive income (loss) 
  
  
 (294)  
  
 (294) (11) (305)
Issuance of shares

 9
  
  
  
  
 9
 
 9
Employee benefits trust activity 
 24
  
  
  
 3
 27
 
 27
Acquisition of shares 
  
  
  
 (670)  
 (670) 
 (670)
Cash dividends on common stock 
  
 (512)  
  
  
 (512) 
 (512)
Distributions to noncontrolling interests 
  
  
  
  
  
 
 (83) (83)
Stock based awards 
 (5)  
  
 21
  
 16
 
 16
Other shareholder transactions 
 12
  
  
  
  
 12
 (7) 5
BALANCE AT DECEMBER 31, 2014$556
 $1,583
 $9,545
 $(1,078) $(2,844) $(13) $7,749
 $344
 $8,093

  Years ended December 31,
In millions 2017 2016 2015
CASH FLOWS FROM OPERATING ACTIVITIES      
Consolidated net income $994
 $1,456
 $1,470
Adjustments to reconcile consolidated net income to net cash provided by operating activities      
Impact of tax legislation, net (Note 2) 820
 
 
Depreciation and amortization 583
 530
 514
Gains on fair value adjustment for consolidated investees (Note 18) 
 (15) (18)
Deferred income taxes (Note 2) (54) 50
 (108)
Equity in income of investees, net of dividends (Note 3) (123) (46) (36)
Pension contributions in excess of expense (Note 10) (161) (92) (127)
Other post retirement benefits payments in excess of expense (Note 10) (5) (25) (23)
Stock-based compensation expense (Note 15) 41
 32
 24
Loss contingency charges, net of payments (Note 12) 5
 122
 60
Impairment of light-duty diesel assets (Note 19) 
 
 211
Restructuring charges and other actions, net of cash payments (Note 20) 
 (59) 64
Proceeds from corporate owned life insurance (52) (22) 6
Translation and hedging activities 71
 (55) 26
Changes in current assets and liabilities, net of acquisitions      
Accounts and notes receivable (508) (265) 103
Inventories (407) (4) 150
Other current assets (12) 14
 (151)
Accounts payable 639
 188
 (130)
Accrued expenses 378
 (195) (226)
Changes in other liabilities and deferred revenue 241
 200
 292
Other, net (173) 125
 (36)
Net cash provided by operating activities 2,277
 1,939
 2,065
CASH FLOWS FROM INVESTING ACTIVITIES      
Capital expenditures (506) (531) (744)
Investments in internal use software (81) (63) (55)
Proceeds from disposals of property, plant and equipment 110
 14
 25
Investments in and advances to equity investees (66) (41) (7)
Acquisitions of businesses, net of cash acquired (Note 18) (662) (94) (117)
Investments in marketable securities—acquisitions (Note 4) (194) (478) (282)
Investments in marketable securities—liquidations (Note 4) 266
 306
 270
Proceeds from sale of equity investees (Note 3) 
 60
 
Cash flows from derivatives not designated as hedges 76
 (102) 8
Other, net 5
 12
 (16)
Net cash used in investing activities (1,052) (917) (918)
CASH FLOWS FROM FINANCING ACTIVITIES      
Proceeds from borrowings 6
 111
 44
Net borrowings of commercial paper 86
 212
 
Payments on borrowings and capital lease obligations (60) (163) (76)
Net borrowings (payments) under short-term credit agreements 12
 19
 (41)
Distributions to noncontrolling interests (29) (65) (49)
Dividend payments on common stock (Note 13) (701) (676) (622)
Repurchases of common stock (Note 13) (451) (778) (900)
Acquisitions of noncontrolling interests (Note 18) 
 (98) (10)
Other, net 63
 25
 4
Net cash used in financing activities (1,074) (1,413) (1,650)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS 98
 (200) (87)
Net increase (decrease) in cash and cash equivalents 249
 (591)
(590)
Cash and cash equivalents at beginning of year 1,120
 1,711
 2,301
CASH AND CASH EQUIVALENTS AT END OF PERIOD $1,369
 $1,120
 $1,711
The accompanying notes are an integral part of our Consolidated Financial Statements.


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CUMMINS INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY
In millionsCommon
Stock
 Additional
Paid-in
Capital
 Retained
Earnings
 Treasury
Stock
 Common
Stock
Held in
Trust
 Accumulated
Other
Comprehensive
Loss
 Total
Cummins Inc.
Shareholders’
Equity
 Noncontrolling
Interests
 Total
Equity
BALANCE AT DECEMBER 31, 2014$556
 $1,583
 $9,545
 $(2,844) $(13) $(1,078) $7,749
 $344
 $8,093
Net income 
  
 1,399
  
  
  
 1,399
 71
 1,470
Other comprehensive income (loss), net of tax (Note 14) 
  
  
  
  
 (270) (270) (15) (285)
Issuance of common stock

 9
  
  
  
  
 9
 
 9
Employee benefits trust activity (Note 13) 
 25
  
  
 2
  
 27
 
 27
Repurchases of common stock (Note 13) 
  
  
 (900)  
  
 (900) 
 (900)
Cash dividends on common stock (Note 13) 
  
 (622)  
  
  
 (622) 
 (622)
Distributions to noncontrolling interests 
  
  
  
  
  
 
 (49) (49)
Stock based awards 
 (4)  
 9
  
  
 5
 
 5
Acquisition of noncontrolling interests (Note 18)  (3)         (3) (7) (10)
Other shareholder transactions

 12
 

  
  
  
 12
 
 12
BALANCE AT DECEMBER 31, 2015$556
 $1,622
 $10,322
 $(3,735) $(11) $(1,348) $7,406
 $344
 $7,750
Net income 
  
 1,394
  
  
   1,394
 62
 1,456
Other comprehensive income (loss), net of tax (Note 14) 
  
  
  
  
 (473) (473) (17) (490)
Issuance of common stock 

 6
  
  
  
  
 6
 
 6
Employee benefits trust activity (Note 13) 
 23
  
  
 3
  
 26
 
 26
Repurchases of common stock (Note 13) 
  
  
 (778)  
  
 (778) 
 (778)
Cash dividends on common stock (Note 13) 
  
 (676)  
  
  
 (676) 
 (676)
Distributions to noncontrolling interests 
  
  
  
  
  
 
 (65) (65)
Stock based awards 
 (5)  
 24
  
  
 19
 
 19
Acquisition of noncontrolling interests (Note 18)  (73)         (73) (25) (98)
Other shareholder transactions 
 24
  
  
  
  
 24
 
 24
BALANCE AT DECEMBER 31, 2016$556
 $1,597
 $11,040
 $(4,489) $(8) $(1,821) $6,875
 $299
 $7,174
Impact of tax legislation (Note 2)    126
       126
 
 126
Net income 
  
 999
  
  
  
 999
 (5) 994
Other comprehensive income (loss), net of tax (Note 14) 
  
 

  
  
 318
 318
 20
 338
Issuance of common stock 

 6
  
  
  
  
 6
 
 6
Employee benefits trust activity (Note 13) 
 17
  
  
 1
  
 18
 
 18
Repurchases of common stock (Note 13) 
  
  
 (451)  
  
 (451) 
 (451)
Cash dividends on common stock (Note 13) 
  
 (701)  
  
  
 (701) 
 (701)
Distributions to noncontrolling interests 
  
  
  
  
  
 
 (29) (29)
Stock based awards 
 3
  
 35
  
  
 38
 
 38
Acquisition of business (Note 18)  

         
 600
 600
Other shareholder transactions 
 31
  
  
  
  
 31
 20
 51
BALANCE AT DECEMBER 31, 2017$556
 $1,654
 $11,464
 $(4,905) $(7) $(1,503) $7,259
 $905
 $8,164

The accompanying notes are an integral part of our Consolidated Financial Statements.

70

CUMMINS INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS




NOTE 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Nature of Operations
Cummins Inc. wasWe were founded in 1919 as Cummins Engine Company, a corporation in Columbus, Indiana asand one of the first diesel engine manufacturers. In 2001, we changed our name to Cummins Inc. We are a global power leader that designs, manufactures, distributes and services diesel and natural gas engines and engine-related component products, including filtration, aftertreatment, turbochargers, fuel systems, controls systems, air handling systems, transmissions and electric power generation systems. We sell our products to original equipment manufacturers (OEMs), distributors and other customers worldwide. We serve our customers through a network of approximately 600 company-owned500 wholly-owned and independent distributor locations and approximately 7,200over 7,500 dealer locations in more than 190 countries and territories.
Principles of Consolidation
Our Consolidated Financial Statements include the accounts of all wholly-owned and majority-owned domestic and foreign subsidiaries where our ownership is more than 50 percent of outstanding equity interests except for majority-owned subsidiaries that are considered variable interest entities (VIEs) where we are not deemed to have a controlling financial interest. In addition, we also consolidate, regardless of our ownership percentage, VIEs for which we are deemed to have a controlling financial interest. Intercompany balances and transactions are eliminated in consolidation. Where our ownership interest is less than 100 percent, the noncontrolling ownership interests are reported in our Consolidated Balance Sheets. The noncontrolling ownership interest in our income, net of tax, is classified as "Net (loss) income attributable to noncontrolling interests" in our Consolidated Statements of Income.
Certain amounts for 2013 and 2012 have been reclassified to conform to the current classifications.
We have variable interests in several businesses accounted for under the equity method of accounting that are deemed to be VIEs and are subject to the provisions ofgenerally accepted accounting principles generally accepted in the United States of America (GAAP) for variable interest entities. Most of these VIEs are unconsolidated.
Reclassification AdjustmentsReclassifications
We revised the classification of certainCertain amounts for "Cost of sales"2016 and "Selling, general and administrative expenses" for 2013 and 2012. In connection with2015 have been reclassified to conform to the integration of recently acquired North American distributors and anticipating the future acquisition and integration of the entire North American channel, our Distribution segment has developed a framework against which Distribution management intends to measure the performance of the distribution channel. The segment EBIT (defined as earnings before interest expense, taxes and noncontrolling interests) performance measure is unchanged, however, certain activities that were previously classified in "Selling, general and administrative expenses" are now classified as "Cost of sales" to align with the new framework and allow for consistent treatment across the channel. We revised the expense presentation of our Consolidated Statements of Income for the periods presentedto follow the new cost framework. The reclassifications for the years ended December 31, 2013 and 2012, were$103 million and $92 million, respectively. The revision had no impact on reported net income, cash flows or the balance sheet.current year presentation.
Investments in Equity Investees
We use the equity method to account for our investments in joint ventures, affiliated companies and alliances in which we have the ability to exercise significant influence, generally represented by equity ownership or partnership equity of at least 20 percent but not more than 50 percent.percent. Generally, under the equity method, original investments in these entities are recorded at cost and subsequently adjusted by our share of equity in income or losses after the date of acquisition. Investment amounts in excess of our share of an investee's net assets are amortized over the life of the related asset creating the excess. If the excess is goodwill, then it is not amortized. Equity in income or losses of each investee is recorded according to our level of ownership; if losses accumulate, we record our share of losses until our investment has been fully depleted. If our investment has been fully depleted, we recognize additional losses only when we are the primary funding source. We eliminate (to the extent of our ownership percentage) in our Consolidated Financial Statements the profit in inventory held by our equity method investees that has not yet been sold to a third-party. Our investments are classified as "Investments and advances related to equity method investees" in our Consolidated Balance Sheets. Our share of the results from joint ventures, affiliated companies and alliances is reported in our Consolidated Statements of Income as "Equity, royalty and interest income from investees," and is reported net of all applicable income taxes.

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Our foreign equity investees are presented net of applicable foreign income taxes in our Consolidated Statements of Income. Our remaining United States (U.S.) equity investees are partnerships (non-taxable), thus there is no difference between gross or net of tax presentation as the investees are not taxed. See NOTE 3, "INVESTMENTS IN EQUITY INVESTEES," for additional information.
Use of Estimates in the Preparation of the Financial Statements
Preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect reported amounts presented and disclosed in our Consolidated Financial Statements. Significant estimates and assumptions in these Consolidated Financial Statementsrequire the exercise of judgment and are used for, but not limited to, allowance for doubtful accounts, estimates of future cash flows and other assumptions associated with goodwill and long-lived asset impairment tests, useful lives for depreciation and amortization, warranty programs, determination of discount rate and

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other assumptions for pension and other postretirement benefit costs, restructuring costs, income taxes and deferred tax valuation allowances, lease classification and contingencies. Due to the inherent uncertainty involved in making estimates, actual results reported in future periods may be different from these estimates.
Revenue Recognition
We recognize revenue, net of estimated costs of returns, allowances and sales incentives, when it is realized or realizable, which generally occurs when:
Persuasive evidence of an arrangement exists;
The product has been shipped and legal title and all risks of ownership have been transferred;
The sales price is fixed or determinable; and
Payment is reasonably assured.
Products are generally sold on open account under credit terms customary to the geographic region of distribution. We perform ongoing credit evaluations of our customers and generally do not require collateral to secure our accounts receivable. For engines, service parts, service tools and other items sold to independent distributors and to partially-owned distributors accounted for under the equity method, revenues are recorded when title and risk of ownership transfers. This transfer is based on the agreement in effect with the respective distributor, which in the U.S. and most international locations, generally occurs when the products are shipped. To the extent of our ownership percentage, margins on sales to distributors accounted for under the equity method are deferred until the distributor sells the product to unrelated parties.
We provide various sales incentives to both our distribution network and our OEM customers. These programs are designed to promote the sale of our product in the channel or encourage the usage of our products by OEM customers. Sales incentives primarily fall into three categories:
Volume rebates;
Market share rebates; and
Aftermarket rebates.
For volume rebates, we provide certain customers with rebate opportunities for attaining specified volumes during a particular quarter or year. We accrue for the expected amount of these rebates at the time of the original sale and update our accruals quarterly based on our best estimate of the volume levels the customer will reach during the measurement period. For market share rebates, we provide certain customers with rebate opportunities based on the percentage of their production that utilizes our product. These rebates are typically measured either quarterly or annually and are accrued at the time of the original sale based on the current market shares, with adjustments made as the level changes. For aftermarket rebates, we provide incentives to promote sales to certain dealers and end-markets. These rebates are typically paid on a quarterly, or more frequent, basis and estimates are made at the end of each quarter as to the amount yet to be paid. These estimates are based on historical experience with the particular program. The incentives are classified as a reduction in sales in our Consolidated Statements of Income.
We classify shipping and handling billed to customers as sales in our Consolidated Statements of Income. Substantially all shipping and handling costs are included in "Cost of sales."
Rights of return do not exist for the majority of our sales, other than for quality issues. We do offer certain return rights in our aftermarket business, where some aftermarket customers are permitted to return small amounts of parts and filters each year and in our power generationsystems business, which sells portable generators to retail customers. An estimate of future returns is accrued at the time of sale based on historical return rates.

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Foreign Currency Transactions and Translation
We translate assets and liabilities of foreign entities to U.S. dollars, where the local currency is the functional currency, at year-end exchange rates. We translate income and expenses to U.S. dollars using weighted-average exchange rates for the year. We record adjustments resulting from translation in a separate component of accumulated other comprehensive income (loss)loss (AOCL) and include the adjustments in net income only upon sale, loss of controlling financial interest or liquidation of the underlying foreign investment.

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Foreign currency transaction gains and losses are included in current net income. For foreign entities where the U.S. dollar is the functional currency, including those operating in highly inflationary economies when applicable, we remeasure non-monetary balances and the related income statement using historical exchange rates. We include in income the resulting gains and losses, including the effect of derivatives in our Consolidated Statements of Income, which combined with transaction gains and losses amounted to a net loss of $6 million, in 2014, net loss$12 million and $18 million for the years ended December 31, 2017, 2016 and 2015, respectively.
Fair Value Measurements
A three-level valuation hierarchy, based upon the observable and unobservable inputs, is used for fair value measurements. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect market assumptions based on the best evidence available. These two types of $27 million in 2013 and net loss of $14 million in 2012.inputs create the following fair value hierarchy:
Level 1 - Quoted prices for identical instruments in active markets;
Level 2 - Quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active and model-derived valuations whose significant inputs are observable; and
Level 3 - Instruments whose significant inputs are unobservable.
Derivative Instruments
We make use of derivative instruments in foreign exchange, commodity price and interest rate hedging programs. Derivatives currently in use are foreign currency forward contracts, commodity zero-cost collarsphysical forward contracts, options and interest rate swaps. These contracts are used strictly for hedging and not for speculative purposes.
We are exposed to market risk from fluctuations in interest rates. We manage our exposure to interest rate fluctuations through the use of interest rate swaps. The objective of the swaps is to more effectively balance our borrowing costs and interest rate risk. The gain or loss on these derivative instruments as well as the offsetting gain or loss on the hedged item attributable to the hedged risk are recognized in current income as “Interest"Interest expense." For more detail on our interest rate swaps, see NOTE 9, "DEBT."
Due to our international business presence, we are exposed to foreign currency exchange risk. We transact in foreign currencies and have assets and liabilities denominated in foreign currencies. Consequently, our income experiences some volatility related to movements in foreign currency exchange rates. In order to benefit from global diversification and after considering naturally offsetting currency positions, we enter into foreign currency forward contracts to minimize our existing exposures (recognized assets and liabilities) and hedge forecasted transactions. Foreign currency forward contracts are designated and qualify as foreign currency cash flow hedges under GAAP. The effective portion of the unrealized gain or loss on the forward contract is deferred and reported as a component of “Accumulated other comprehensive loss” (AOCL).AOCL. When the hedged forecasted transaction (sale or purchase) occurs, the unrealized gain or loss is reclassified into income in the same line item associated with the hedged transaction in the same period or periods during which the hedged transaction affects income. Foreign
To minimize the income volatility resulting from the remeasurement of net monetary assets and payables denominated in a currency other than the functional currency, we enter into foreign currency forward contracts, have been deemed immaterial for additional disclosure.which are considered economic hedges. The objective is to offset the gain or loss from remeasurement with the gain or loss from the fair market valuation of the forward contract. These derivative instruments are not designated as hedges under GAAP.
We are exposed to fluctuations in commodity prices due to contractual agreements with component suppliers. In order to protect ourselves against future price volatility and, consequently, fluctuations in gross margins, we periodically enter into commodity physical forward contracts and zero-cost collar contracts with designated banks and other counterparties to fix the cost of certain raw material purchases with the objective of minimizing changes in inventory cost due to market price fluctuations. We haveThe physical forward contracts qualify for the normal purchases scope exceptions and are treated as purchase commitments. The commodity zero-cost collar contracts that represent an economic hedge, but are not designated for hedge accounting, and are marked to market through earnings. Commodity swap contracts have been deemed immaterial for additional disclosure.
Income Tax Accounting
We determine our income tax expense using the asset and liability method. Under this method, deferred tax assets and liabilities are recognized for the future tax effects of temporary differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Future tax benefits of taxnet operating loss and credit carryforwards are also recognized as deferred tax assets. We evaluate the recoverability of our deferred tax assets each quarter by assessing the likelihood of future profitability and available tax planning strategies that could be implemented to realize our net deferred tax assets. A valuation allowance is recorded to reduce the tax assets to the net value management believes is more likely than not to be realized. In the event our operating performance deteriorates, future assessments could conclude that a larger valuation

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allowance will be needed to further reduce the deferred tax assets. In addition, we operate within multiple taxing jurisdictions and are subject to tax audits in these jurisdictions. These audits can involve complex issues, which may require an extended period of time to resolve. We accrue for the estimated additional tax and interest that may result from tax authorities disputing uncertain tax positions wepositions. We have taken and we believe we have made adequate provisionprovisions for income taxes for all years that are subject to audit based upon the latest information available. A more complete description of our income taxes and the future benefits of our taxnet operating loss and credit carryforwards is disclosed in NOTE 4,2, "INCOME TAXES."

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Cash and Cash Equivalents
Cash equivalents are defined as short-term, highly liquid investments with an original maturity of 90 days or less at the time of purchase. The carrying amounts reflected in our Consolidated Balance Sheets for cash and cash equivalents approximate fair value due to the short-term maturity of these investments.
  Years ended December 31,
In millions 2017 2016 2015
Cash payments for income taxes, net of refunds $622
 $430
 $732
Cash payments for interest, net of capitalized interest 82
 68
 65
  Years ended December 31,
In millions 2014 2013 2012
Cash payments for income taxes, net of refunds $659
 $380
 $691
Cash payments for interest, net of capitalized interest 65
 30
 32


Marketable Securities
We account for marketable securities in accordance with GAAP for investments in debt and equity securities. We determine the appropriate classification of all marketable securities as "held-to-maturity," "available-for-sale" or "trading" at the time of purchase, and re-evaluate such classifications at each balance sheet date. At December 31, 20142017 and 2013,2016, all of our investments were classified as available-for-sale.
Available-for-sale (AFS) securities are carried at fair value with the unrealized gain or loss, net of tax, reported in other comprehensive income. Unrealized losses considered to be "other-than-temporary" are recognized currently in income. The cost of securities sold is based on the specific identification method. The fair value of most investment securities is determined by currently available market prices. Where quoted market prices are not available, we use the market price of similar types of securities that are traded in the market to estimate fair value. See NOTE 5,4, "MARKETABLE SECURITIES," for a detailed description of our investments in marketable securities.
Accounts Receivable and Allowance for Doubtful Accounts
Trade accounts receivable are recorded at the invoiced amount, which approximates net realizable value, and generally do not bear interest. The allowance for doubtful accounts is our best estimate of the amount of probable credit losses in our existing accounts receivable. We determine the allowance based on our historical collection experience and by performing an analysis of our accounts receivable in light of the current economic environment. We review our allowance for doubtful accounts on a regular basis. In addition, when necessary, we provide an allowance for the full amount of specific accounts deemed to be uncollectible. Account balances are charged off against the allowance in the period in which we determine that it is probable the receivable will not be recovered. The allowance for doubtful accounts balances for the years ended December 31, 20142017 and 20132016 were $12$16 million and $14$16 million, respectively.
Inventories
Our inventories are stated at the lower of cost or market. For the years ended December 31, 20142017 and 2013,2016, approximately 1412 percent and 1413 percent, respectively, of our consolidated inventories (primarily heavy-duty and high-horsepower engines and parts) were valued using the last-in, first-out (LIFO) cost method. The cost of other inventories is generally valued using the first-in, first-out (FIFO) cost method. Our inventories at interim and year-end reporting dates include estimates for adjustments related to annual physical inventory results and for inventory cost changes under the LIFO cost method. Due to significant movements of partially-manufactured components and parts between manufacturing plants, we do not internally measure, nor do our accounting systems provide, a meaningful segregation between raw materials and work-in-process. See NOTE 6,5, "INVENTORIES," for additional information.
Property, Plant and Equipment
We record property, plant and equipment, inclusive of assets under capital leases, at cost. We depreciate the cost of the majority of our property, plant and equipment using the straight-line method with depreciable lives ranging from 20 to 40 years for buildings and 3 to 2015 years for machinery, equipment and fixtures. Capital lease amortization is recorded in depreciation expense. We expense normal maintenance and repair costs as incurred. Depreciation expense totaled $351$467 million, $318$434 million and $287$419 million for the years ended December 31, 2014, 20132017, 2016 and 2012,2015, respectively. See NOTE 7,6, "PROPERTY, PLANT AND EQUIPMENT," for additional information.


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Impairment of Long-Lived Assets
We review our long-lived assets for possible impairment whenever events or circumstances indicate that the carrying value of an asset or asset group may not be recoverable. We assess the recoverability of the carrying value of the long-lived assets at the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities. An impairment of a long-lived asset or asset group exists when the expected future pre-tax cash flows (undiscounted and without interest charges) estimated to be generated by the asset or asset group is less than its carrying value. If these cash flows are less than the carrying value of such asset or asset group, an impairment loss is measured based on the difference between the estimated fair value and carrying value of the asset or asset group. Assumptions and estimates used to estimate cash flows in the evaluation of impairment and the fair values used to determine the impairment are subject to a degree of judgment and complexity. Any changes to the assumptions and estimates resulting from changes in actual results or market conditions from those anticipated may affect the carrying value of long-lived assets and could result in a future impairment charge. See NOTE 19, "IMPAIRMENT OF LIGHT-DUTY DIESEL ASSETS," for additional information.
Goodwill
Under GAAP for goodwill, we have the option to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying value as a basis for determining whether it is necessary to perform an annual two-step goodwill impairment test. We have elected this option on certain reporting units.Theunits. The two-step impairment test is now only required if an entity determines through this qualitative analysis that it is more likely than not that the fair value of the reporting unit is less than its carrying value. In addition, the carrying value of goodwill must be tested for impairment on an interim basis in certain circumstances where impairment may be indicated. When we are required or opt to perform the two-step impairment test, the fair value of each reporting unit is estimated by discounting the after tax future cash flows less requirements for working capital and fixed asset additions. Our reporting units are generally defined as one level below an operating segment. However, there are two situations where we have aggregated two or more componentsreporting units which share similar economic characteristics and thus are aggregated into a single reporting unit for testing purposes. These two situations are described further below. This analysis has resulted in the following reporting units for our goodwill testing:below:
Within our Components segment, our emission solutions and filtration businesses have been aggregated into a single reporting unit.
Our Distribution segment is considered a single reporting unit as it is managed geographically and all regions share similar economic characteristics and provide similar products and services.
Also within our Components segment, our turbo technologies business is considered a separate reporting unit.
Within our Power Generation segment, our alternators business is considered a separate reporting unit.
Within our Engine segment, our new and recon parts business is considered a separate reporting unit. This reporting unit is in the business of selling new parts and remanufacturing and reconditioning engines and certain engine components.
Our Distribution segment is considered a single reporting unit as it is managed geographically and all regions share similar economic characteristics and provide similar products and services.
No other reporting units have goodwill. Our valuation method requires us to make projections of revenue, operating expenses, working capital investment and fixed asset additions for the reporting units over a multi-year period. Additionally, management must estimate a weighted-average cost of capital, which reflects a market rate, for each reporting unit for use as a discount rate. The discounted cash flows are compared to the carrying value of the reporting unit and, if less than the carrying value, a separate valuation of the goodwill is required to determine if an impairment loss has occurred. In addition, we also perform a sensitivity analysis to determine how much our forecasts can fluctuate before the fair value of a reporting unit would be lower than its carrying amount. We performed the required procedures as of the end of our fiscal third quarter and determined that our goodwill was not impaired. At December 31, 2014,2017, our recorded goodwill was $479$1,082 million, approximately 8236 percent of which resided in the aggregated emission solutions plusand filtration reporting unit. For this reporting unit, the fair value exceeded its carrying value by a substantial margin whenmargin. Approximately 50 percent and 4 percent of goodwill resides in our new automated transmissions reporting unit and our Brammo Inc. acquisition (not yet allocated to a segment), respectively. Since these businesses were just acquired in the second half of 2017, we performed step onedid not perform an additional quantitative test as of the two-step impairment test inend of our third fiscal quarter. See NOTE 18, "ACQUISITIONS," for additional information on the current year.acquisition related goodwill recorded at the respective acquisition dates. Changes in our projections or estimates, a deterioration of our operating results and the related cash flow effect or a significant increase in the discount rate could decrease the estimated fair value of our reporting units and result in a future impairment of goodwill. See NOTE 8,7, "GOODWILL AND OTHER INTANGIBLE ASSETS,"for additional information.

Other Intangible Assets
We capitalize other intangible assets, such as trademarks, patents, and customer relationships, that have been acquired either individually or with a group of other assets.  These intangible assets are amortized on a straight-line basis over their estimated useful lives generally ranging from 3 to 25 years. Intangible assets are reviewed for impairment when events or circumstances indicate that the carrying value may not be recoverable over the remaining lives of the assets. See NOTE 7, "GOODWILL AND OTHER INTANGIBLE ASSETS," for additional information.

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Software
We capitalize certain costs for software that areis developed or obtained for internal use. Software costs are amortized on a straight-line basis over their estimated useful lives generally ranging from 3 to 12 years. Software assets are reviewed for impairment when events or circumstances indicate that the carrying value may not be recoverable over the remaining lives of the assets. Upgrades and enhancements are capitalized if they result in significant modifications that enable the software to perform tasks it was previously incapable of performing. Software maintenance, training, data conversion and business process reengineering costs are expensed in the period in which they are incurred. See NOTE 8,7, "GOODWILL AND OTHER INTANGIBLE ASSETS," for additional information.
Warranty
We charge the estimated costs of warranty programs, other than product recalls, to cost of sales at the time products are sold and revenue is recognized. We use historical experience to develop the estimated liability for our various warranty programs. As a result of the uncertainty surrounding the nature and frequency of product recall programs, the liability for such programs is recorded when we commit to a recall action or when a recall becomes probable and estimable, which generally occurs when it is announced. The liability for these programs is reflected in the provision for warranties issued. We review and assess the liability for these programs on a quarterly basis. We also assess our ability to recover certain costs from our suppliers and record a receivable when we believe a recovery is probable. In addition to costs incurred on warranty and recall programs, from time to time we also incur costs related to customer satisfaction programs for items not covered by warranty. We accrue for these costs when agreement is reached with a specific customer. These costs are not included in the provision for warranties, but are included in cost of sales.
In addition, we sell extended warranty coverage on most of our engines. The revenue collected is initially deferred and is recognized as revenue in proportion to the costs expected to be incurred in performing services over the contract period. We compare the remaining deferred revenue balance quarterly to the estimated amount of future claims under extended warranty programs and provide an additional accrual when the deferred revenue balance is less than expected future costs. See NOTE 10,8, "PRODUCT WARRANTY LIABILITY," for additional information.
Research and Development
Our research and development program is focused on product improvements, product extensions, innovations and cost reductions for our customers. Research and development expenditures include salaries, contractor fees, building costs, utilities, testing, technical IT, administrative expenses and allocation of corporate costs and are expensed, net of contract reimbursements, when incurred. From time to time, we enter into agreements with customers and government agencies to fund a portion of the research and development costs of a particular project. We generally account for these reimbursements as an offset to the related research and development expenditure. Research and development expenses, net of contract reimbursements, were $737$734 million in 2014, $7002017, $616 million in 20132016 and $721$718 million in 2012.2015. Contract reimbursements were $121$137 million in 2014, $762017, $131 million in 20132016 and $86$98 million in 2012.2015.
Related Party Transactions
In accordance with the provisions of various joint venture agreements, we may purchase products and components from our joint ventures, sell products and components to our joint ventures and our joint ventures may sell products and components to unrelated parties. Joint venture transfer prices may differ from normal selling prices. Certain joint venture agreements transfer product at cost, some transfer product on a cost-plus basis, and others transfer product at market value. Our related party sales are presented on the face of our Consolidated Statements of Income. Our related party purchases were not material to our financial position or results of operations.
RECENTLY ADOPTED AND RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS
Accounting Pronouncements Recently Adopted
In February 2013,2018, the Financial Accounting Standards Board (FASB) amended its standardsstandard on comprehensive income by requiring disclosureto provide an option for an entity to reclassify the stranded tax effects of the Tax Cuts and Jobs Act (Tax Legislation) that was passed in the footnotesDecember of information about amounts reclassified out of2017 from accumulated other comprehensive income by component. Specifically,(AOCI) directly to retained earnings.  The stranded tax effects result from the remeasurement of deferred tax assets and liabilities which were originally recorded in comprehensive income but whose remeasurement is reflected in the income statement.  This is a one-time amendment requires disclosure ofapplicable only to the line itemschanges resulting from the Tax Legislation.  The standard is effective for us on net incomeJanuary 1, 2019, and may be reflected retroactively to any period in which the item wasimpacts of the Tax Legislation are recognized.  The standard permits early adoption for any financial statements that have not been released as of the date of the revised standard. We elected to early adopt this standard in our 2017 financial statements using specific identification and as a result reclassified only if it$126 million from

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AOCI to retained earnings which is reclassified to net income in its entiretyreflected in the same reporting period. The new rulesrollforward of AOCI. This reclassification relates only to the change in the statutory tax rate. See NOTE 14, "ACCUMULATED OTHER COMPREHENSIVE LOSS," for additional information.
In March 2016, the FASB amended its standards related to accounting for stock compensation, which became effective for us beginning January 1, 20132017. The amendment replaced the requirement to record excess tax benefits and werecertain tax deficiencies in additional paid-in capital by recording all excess tax benefits and tax deficiencies as income tax expense / benefit in the Consolidated Statements of Income and was adopted prospectivelyprospectively. In addition, the standard impacted our Consolidated Statements of Cash Flow retrospectively, as excess tax benefits are now required to be presented as an operating activity and the cash paid to tax authorities is required to be presented as a financing activity. This resulted in a net reclassification of $4 million and $6 million from operating to financing activities for the year ended December 31, 2016 and 2015, respectively. Finally, in accordance with the standard.standard, we elected to continue our historical approach of estimating forfeitures during the award's vesting period and adjusting our estimate when it is no longer probable that the employee will fulfill the service condition. The adoption of the standard resulted in new disclosures in NOTE 15, "ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)."was not material to our Consolidated Financial Statements.


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Accounting Pronouncements Issued But Not Yet Effective
In August 2017, the FASB amended its standards related to accounting for derivatives and hedging. These amendments allow the initial hedge effectiveness assessment to be performed by the end of the first quarter in which the hedge is designated rather than concurrently with entering into the hedge transaction. The changes also expand the use of a periodic qualitative hedge effectiveness assessment in lieu of an ongoing quantitative assessment performed throughout the life of the hedge. The revision removes the requirement to record ineffectiveness on cash flow hedges through the income statement when a hedge is considered highly effective, instead deferring all related hedge gains and losses in "Other comprehensive income" until the hedged item impacts earnings. The modifications permit hedging the contractually-specified price of a component of a commodity purchase and revises certain disclosure requirements. The amendments are effective January 1, 2019 and early adoption is permitted in any interim period or fiscal year prior to the effective date. The revised standard is required to be adopted on a modified retrospective basis for any cash flow or net investment hedge relationships that exist on the date of adoption and prospectively for disclosures. We do not expect the amendments to have a material effect on our Consolidated Financial Statements and are still evaluating early adoption.
In March 2017, the FASB amended its standards related to the presentation of pension and other postretirement benefit costs in the financial statements beginning January 1, 2018. Under the new standard, we will be required to separate service costs from all other elements of pension costs and reflect the other elements of pension costs outside of operating income in our Consolidated Statements of Income. In addition, the standard will limit the amount eligible for capitalization (into inventory or self-constructed assets) to the amount of service cost. This portion of the standard will be applied on a prospective basis. The remainder of the new standard is effective for us on a retrospective basis. The retroactive adoption of this standard will result in a reduction in operating income and a corresponding increase in other income (primarily related to the return on pension assets) of $31 million and $48 million for the years ended December 31, 2017 and 2016, respectively.
In August 2016, the FASB amended its standards related to the classification of certain cash receipts and cash payments. The new standard will make eight targeted changes to how cash receipts and cash payments are presented and classified in the statement of cash flows. The standard is effective for fiscal years beginning after December 15, 2017 and interim periods within those fiscal years. The new standard will require adoption on a retrospective basis unless it is impracticable to apply, in which case it would be required to apply the amendments prospectively as of the earliest date practicable. We do not expect adoption of this standard to have a material impact on our Consolidated Statements of Cash Flows.
In June 2016, the FASB amended its standards related to accounting for credit losses on financial instruments. This amendment introduces new guidance for accounting for credit losses on instruments including trade receivables and held-to-maturity debt securities. The new rules are effective for annual and interim periods beginning after December 15, 2019. Early adoption is permitted for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. We do not expect adoption of this standard to have a material impact on our Consolidated Financial Statements.
In February 2016, the FASB amended its standards related to the accounting for leases. Under the new standard, lessees will now be required to recognize substantially all leases on the balance sheet as both a right-of-use-asset and a liability. The standard will continue to have two types of leases for income statement recognition purposes: operating leases and finance leases. Operating leases will result in the recognition of a single lease expense on a straight-line basis over the lease term similar to the treatment for operating leases under today's standards. Finance leases will result in an accelerated expense similar to the accounting for capital leases under today's standards. The determination of a lease classification as operating or finance will occur in a manner similar to today's standard. The new standard also contains amended guidance regarding the identification of embedded leases in service contracts and the identification of lease and non-lease components of an arrangement. The new standard is effective on January 1, 2019, with early adoption permitted. We are still evaluating the impact the standard could have on our Consolidated Financial Statements, including our internal controls over financial

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reporting. While we have not yet quantified the amount, we do expect the standard will have a material impact on our Consolidated Balance Sheets due to the recognition of additional assets and liabilities for operating leases.
In January 2016, the FASB amended its standards related to the accounting for certain financial instruments. This amendment addresses certain aspects of recognition, measurement, presentation and disclosure. The new rules will become effective for annual and interim periods beginning after December 15, 2017. Early adoption is not permitted. We do not expect the standard to have a material impact on our Consolidated Financial Statements.
In May 2014, the FASB amended its standards related to revenue recognition. This amendmentrecognition which replaces all existing revenue recognition guidance and provides a single, comprehensive revenue recognition model for all contracts with customers. The revised standard contains principles that we will apply to determine the measurement of revenue and timing of when it is recognized. The underlying principle is that we will recognize revenue in a manner that depictsto depict the transfer of goods or services to customers at an amount that we expect to be entitled to in exchange for those goods or services. The standard allows either full or modified retrospective adoption. Early adoption is not permitted. The guidance provides a five-step analysis of transactions to determine when and how revenue is recognized. Other major provisions include capitalization of certain contract costs, consideration of the time value of money in the transaction price and allowing estimatesestimation of variable consideration to be recognized before contingencies are resolved in certain circumstances. The amendment also requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in those judgments andas well as assets recognized from costs incurred to fulfill a contract. these contracts.

The new rules will becomestandard allows either full or modified retrospective adoption effective for annual and interim periods beginning January 1, 2017.2018.
We arewill adopt the standard using the modified retrospective approach.

We identified a change
in the processmanner in which we will account for certain license income. We license certain technology to our unconsolidated joint ventures that meet the definition of evaluatingfunctional under the standard, which requires that revenue be recognized at a point in time rather than the current requirement of recognizing it over the license term. Using the modified retrospective adoption method, we will record an adjustment to our opening equity balance at January 1, 2018, to account for the differences between existing revenue recorded and what would have been recorded under the new standard for contracts for which we started recognizing revenue prior to the adoption date. We expect to record a credit to equity of approximately
$30 million before taxes. We do not expect a material impact on any individual year from this change.

We also identified transactions where revenue recognition is currently limited to
the amendment will haveamount of billings not contingent on our
Consolidated Financial Statements, and future performance. With the allocation provisions of the new model, we are further consideringexpect to accelerate the timing of revenue recognition for amounts related to satisfied performance obligations that would be delayed under the current guidance. We do not expect the impact of each method of adoption.

75


NOTE 2. ACQUISITIONS
In September 2013, we announced our intentionthis change to acquire the equity thatbe material.

On an ongoing basis,
we do not already ownexpect this amendment to have a material impact on our Consolidated Financial Statements, including our internal controls over financial reporting. The revenue recognition disclosures will significantly expand under the new standard, specifically around the quantitative and qualitative information about performance obligations, changes in mostcontract assets and liabilities and disaggregation of revenue.
NOTE 2. INCOME TAXES
The following table summarizes income before income taxes:
 
Years ended December 31,
In millions
2017
2016
2015
U.S. income
$1,237

$995

$1,275
Foreign income
1,128

935

750
Income before income taxes
$2,365

$1,930

$2,025


78



Income tax expense (benefit) consists of the following:
  Years ended December 31,
In millions 2017 2016 2015
Current      
U.S. federal and state $355
 $211
 $516
Foreign 289
 213
 147
Impact of tax legislation
 349
 
 
Total current 993
 424
 663
Deferred      
U.S. federal and state (42) 57
 (151)
Foreign (12) (7) 43
Impact of tax legislation
 432
 
 
Total deferred 378
 50
 (108)
Income tax expense $1,371
 $474
 $555

A reconciliation of the statutory U.S. federal income tax rate to the effective tax rate was as follows:
  Years ended December 31,
  2017 2016 2015
Statutory U.S. federal income tax rate 35.0 % 35.0 % 35.0 %
State income tax, net of federal effect 0.6
 0.8
 1.2
Differences in rates and taxability of foreign subsidiaries and joint ventures (6.4) (7.2) (6.6)
Research tax credits (1.4) (1.7) (1.4)
Impact of tax legislation 33.1
 
 
Other, net (2.9) (2.3) (0.8)
Effective tax rate 58.0 % 24.6 % 27.4 %

Our income tax rates are generally less than the 35 percent U.S. statutory income tax rate primarily because of lower taxes on foreign earnings and research tax credits. On December 22, 2017, the U.S. enacted the Tax Cuts and Jobs Act (Tax Legislation), which changed the U.S. statutory rate to 21 percent effective January 1, 2018 and requires companies to pay a one-time transition tax on certain previously undistributed earnings of certain foreign subsidiaries and foreign joint ventures that were tax deferred. Our effective tax rate for 2017 was 58.0 percent compared to 24.6 percent for 2016. The impacts of the Tax Legislation resulted in additional tax expense of $781 million.
The Securities and Exchange Commission (SEC) issued guidance which addressed the uncertainty in the application of GAAP to the Tax Legislation where certain income tax effects cannot be finalized at December 31, 2017. This guidance allows entities to record provisional amounts based on current estimates that are updated on a quarterly basis. As a result, our accounting for the effects of the Tax Legislation are not considered complete at this time. The final transition impacts of the Tax Legislation may differ from our estimates, possibly materially, due to, among other things, changes in interpretations of the Tax Legislation, any legislative action to address questions that arise because of the Tax Legislation, any changes in accounting standards for income taxes or related interpretations in response to the Tax Legislation, or any updates or changes to estimates the company has utilized to calculate the transition impacts. The SEC requires final calculations to be completed within the one year measurement period ending December 22, 2018, and reflect any additional guidance issued throughout the year. Any adjustments of provisional amounts will be reported in continuing operations in the period in which the estimates change. We have made provisional estimates of the effects of the Tax Legislation in three primary areas: (1) our existing deferred tax balances; (2) the one-time transition tax and (3) the withholding tax accrued on those earnings no longer considered permanently reinvested at December 31, 2017. Each of these items is described in more detail below.
Deferred tax assets and liabilities
We remeasured certain deferred tax assets and liabilities based on the rates at which they are expected to reverse in the future, which is generally 21 percent. We are still analyzing certain aspects of the Tax Legislation and refining our calculations, which could potentially affect the measurement of these balances. The provisional amount related to the remeasurement of our partially-owned United States and Canadian distributors overdeferred tax balance is an incremental tax expense of $152 million. See NOTE 3, "INVESTMENTS IN EQUITY INVESTEES," for the next threeimpact to five years.our equity investees.

79



One-time transition tax
The Distribution segment joint venture acquisitionsone-time transition tax is based on our total post-1986 unrepatriated earnings and profits not previously subject to U.S. income tax. The recorded provisional amount for our one-time transition tax is a tax expense of $298 million with a cash impact of $338 million .
Withholding tax
Withholding tax is an additional cost associated with the distribution of earnings from some jurisdictions. As a result of the Tax Legislation, we reconsidered previous assertions regarding earnings that were considered permanently reinvested, which requires us to record withholding taxes on earnings likely to be distributed in the foreseeable future. The assertion as to which earnings are permanently reinvested for purposes of calculating withholding tax is provisional as we refine the underlying calculations of the amount of earnings subject to the tax and the rate at which it will be taxed. The recorded provisional amount for the withholding tax resulted in an incremental tax expense of $331 million. See NOTE 3, "INVESTMENTS IN EQUITY INVESTEES," and NOTE 16, "NONCONTROLLING INTERESTS," for the impact of withholding taxes to our equity investees and noncontrolling interests.
Carryforward tax benefits and the tax effect of temporary differences between financial and tax reporting that give rise to net deferred tax (liabilities) assets were as follows:
  December 31,
In millions 2017 2016
Deferred tax assets    
U.S. state carryforward benefits $200
 $159
Foreign carryforward benefits 159
 154
Employee benefit plans 274
 401
Warranty expenses 300
 405
Accrued expenses 95
 107
Other 70
 64
Gross deferred tax assets 1,098
 1,290
Valuation allowance (347) (307)
Total deferred tax assets 751
 983
Deferred tax liabilities    
Property, plant and equipment (250) (319)
Unremitted income of foreign subsidiaries and joint ventures (331) (59)
Employee benefit plans (224) (213)
Other (31) (48)
Total deferred tax liabilities (836) (639)
Net deferred tax (liabilities) assets $(85) $344

Our 2017 U.S. carryforward benefits include $200 million of state credit and net operating loss carryforward benefits that begin to expire in 2018. Our foreign carryforward benefits include $159 million of net operating loss carryforwards that begin to expire in 2018. A valuation allowance is recorded to reduce the gross deferred tax assets to an amount we believe is more likely than not to be realized. The valuation allowance was $347 million and increased in 2017 by a net $40 million. The valuation allowance is primarily attributable to the uncertainty regarding the realization of a portion of the U.S. state and foreign net operating loss and tax credit carryforward benefits.

80



Our Consolidated Balance Sheets contain the following tax related items:
  December 31,
In millions 2017 2016
Prepaid and other current assets    
Refundable income taxes $152
 $192
Other assets    
Deferred income tax assets 306
 420
Long-term refundable income taxes 6
 22
Accrued expenses    
Income tax payable 77
 48
Other liabilities and deferred revenue    
Income tax payable 281
 
Deferred income tax liabilities 391
 76


A reconciliation of unrecognized tax benefits for the years ended December 31, 2014, 20132017, 2016 and 2012 were as follows:
Entity Acquired (Dollars in millions) Date of Acquisition Additional Percent Interest Acquired Payments to Former Owners Acquisition Related Debt Retirements Total Purchase Consideration 
Type of Acquisition(1)
 
Gain Recognized(1)
 Goodwill Acquired 
Intangibles Recognized(2)
 
Net Sales Previous Fiscal Year Ended(3)
2014                    
Cummins Bridgeway LLC (Bridgeway)(4)
 11/03/14 54% $22
 $45
 $77
(5) 
COMB $13
 $4
 $15
 $331
Cummins Npower LLC (Npower) 09/29/14 50% 33
 34
 73
(5) 
COMB 15
 7
 8
 374
Cummins Power South LLC (Power South) 09/29/14 50% 17
 16
 35
(5) 
COMB 7
 8
 1
 239
Cummins Eastern Canada LP (Eastern Canada) 08/04/14 50% 29
 32
 62
(5) 
COMB 18
 5
 4
 228
Cummins Power Systems LLC (Power Systems) 05/05/14 30% 14
 
 14
 EQUITY 
 
 
 
Cummins Southern Plains LLC (Southern Plains) 03/31/14 50% 43
 48
 92
(5) 
COMB 13
 1
 11
 433
Cummins Mid-South LLC (Mid-South) 02/14/14 62.2% 55
 61
 118
(5) 
COMB 7
 4
 8
 368
2013                    
Cummins Western Canada LP (Western Canada) 12/31/13 35% $32
 $
 $32
 EQUITY $
 $
 $
 $
Cummins Rocky Mountain LLC (Rocky Mountain) 05/06/13 67% 62
 74
 136
 COMB 5
 10
 8
 384
Cummins Northwest LLC (Northwest) 07/01/13 20.01% 4
 
 4
 EQUITY 
 
 
 
Cummins Northwest LLC (Northwest)(6)
 01/31/13 50% 18
 
 18
 COMB 7
 3
 2
 137
2012                    
Cummins Central Power LLC (Central Power)(7)
 07/02/12 45% $26
 $
 $26
 COMB $7
 $
 $4
 $209

(1)
All results from acquired entities were included in Distribution segment results subsequent to the acquisition date. Previously consolidated entities were accounted for as equity transactions (EQUITY). Newly consolidated entities were accounted for as business combinations (COMB) with gains recognized based on the requirement to remeasure our pre-existing ownership to fair value in accordance with GAAP and are included in the Consolidated Statements of Income as "Other income (expense), net."
(2)
Intangible assets acquired in business combinations were mostly customer related, the majority of which will be amortized over a period of up to five years from the date of the acquisition.
(3)
Sales amounts are not fully incremental to our consolidated sales as the amount would be reduced by the elimination of sales to the previously unconsolidated entity.
(4) Purchase accounting for this acquisition is preliminary awaiting customary adjustment to purchase price in accordance with the purchase agreements.
(5)
The "Total Purchase Consideration" represents the total amount that will or is estimated to be paid to complete the acquisition. In some instances a portion of the acquisition payment has not yet been made and will be paid in future periods in accordance with the purchase contract. The total outstanding consideration at December 31, 2014, was $22 million.
(6)
Prior to our decision to acquire the remaining interest in our North American and Canadian distributors, we acquired the remaining ownership interest in Northwest and immediately formed a new partnership with a new distributor principal and sold 20.01 percent to the new distributor principal. We retained a new ownership in Northwest of 79.99 percent. We subsequently repurchased the remaining outstanding interest under the new contract in July 2013.
(7)
After the acquisition, Cummins owned a 79.99 percent interest in Central Power.

76


The final purchase allocations for the largest acquisitions for 2014 and 2013 were as follows:
In millions Southern Plains Mid-South Rocky Mountain
Accounts receivable $63
 $71
 $48
Inventory 59
 70
 100
Fixed assets 47
 37
 34
Intangible assets 11
 8
 8
Goodwill 1
 4
 10
Other current assets 8
 10
 8
Current liabilities (53) (43) (41)
Other long-term liability 
 (4) 
Total business valuation 136
 153
 167
Fair value of pre-existing interest (44) (35) (31)
Total purchase consideration $92
 $118
 $136
North American distributor acquisitions excluded from the table were deemed immaterial individually and in the aggregate for additional disclosure.
Hilite Germany GmbH
In July 2012, we purchased the doser technology and business assets from Hilite Germany GmbH (Hilite) in a cash transaction. Dosers are products that enable compliance with emission standards in certain aftertreatment systems and complement our current product offerings. The purchase price was $176 million and is summarized below. There was no contingent consideration associated with this transaction. During 2012, we expensed approximately $4 million of acquisition related costs.
The acquisition of Hilite was accounted for as a business combination with the results of the acquired entity and the goodwill included in the Components operating segment beginning in the third quarter of 2012. The majority of the purchase price was allocated to technology and customer related intangible assets and goodwill.
Intangible assets by asset class, including weighted average amortization life, were as follows:
Dollars in millions 
Purchase price
allocation
 
Weighted average
amortization life
in years
Technology $52
 10.6
Customer 23
 4.5
License arrangements 8
 6.0
Total intangible assets $83
 8.5
The purchase allocation2015 was as follows:
  December 31,
In millions 2017 2016 2015
Balance at beginning of year $59
 $135
 $174
Additions to current year tax positions 11
 10
 8
Additions to prior years' tax positions 9
 18
 24
Reductions to prior years' tax positions (3) 
 
Reductions for tax positions due to settlements with taxing authorities (35) (104) (71)
Balance at end of year $41
 $59
 $135

In millions  
Inventory $5
Fixed assets 5
Intangible assets 83
Goodwill 91
Liabilities (8)
Total purchase consideration $176
Included in the December 31, 2017, 2016 and 2015, balances are $32 million, $31 million and $78 million, respectively, related to tax positions that, if recognized, would favorably impact the effective tax rate in future periods. Also, we had accrued interest expense related to the unrecognized tax benefits of $4 million, $3 million and $8 million as of December 31, 2017, 2016 and 2015, respectively. We recognize potential accrued interest and penalties related to unrecognized tax benefits in income tax expense. For the years ended December 31, 2017, 2016 and 2015, we recognized $3 million, $2 million and $5 million in net interest expense, respectively.
Net salesAudit outcomes and the timing of audit settlements are subject to significant uncertainty. Although we believe that adequate provision has been made for Hilite were $104 millionsuch issues, there is the possibility that the ultimate resolution of such issues could have an adverse effect on our earnings. Conversely, if these issues are resolved favorably in the future, the related provision would be reduced, thus having a positive impact on earnings.
As a result of our global operations, we file income tax returns in various jurisdictions including U.S. federal, state and foreign jurisdictions. We are routinely subject to examination by taxing authorities throughout the world, including Australia, Belgium, Brazil, Canada, China, France, India, Mexico, the U.K. and the U.S. With few exceptions, our U.S. federal, major state and foreign jurisdictions are no longer subject to income tax assessments for 2012, of which $46 million was included in our Consolidated Statements of Income.years before 2013. The U.S. examinations related to tax years 2013-2015 concluded during 2017.






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NOTE 3. INVESTMENTS IN EQUITY INVESTEES
Investments in and advances related to equity method investees and our ownership percentage was as follows:
    December 31,
In millions Ownership % 2017 2016
Beijing Foton Cummins Engine Co., Ltd. 50% $223
 $163
Komatsu alliances 20-50% 219
 197
Dongfeng Cummins Engine Company, Ltd. 50% 146
 111
Cummins-Scania XPI Manufacturing, LLC 50% 87
 82
Chongqing Cummins Engine Company, Ltd. 50% 84
 73
Tata Cummins, Ltd. 50% 59
 63
Other Various 338
 257
Investments and advances related to equity method investees   $1,156
 $946

    December 31,
In millions Ownership % 2014 2013
Komatsu alliances 20-50% $160
 $132
Dongfeng Cummins Engine Company, Ltd. 50% 136
 135
Beijing Foton Cummins Engine Co., Ltd. (1)
 50% 117
 103
Chongqing Cummins Engine Company, Ltd. 50% 92
 67
Cummins-Scania XPI Manufacturing, LLC 50% 85
 71
Tata Cummins, Ltd. 50% 57
 50
North American distributors (2)
 49-50% 41
 114
Other Various 293
 259
Total   $981
 $931

(1) Includes both the light-duty and the heavy-duty businesses.
(2) Current ownership percentage of North American distributor investments as ofWe have approximately $614 million in our investment account at December 31, 2014.2017, that represents cumulative undistributed income in our equity investees. Dividends received from our unconsolidated equity investees were $219 million, $212 million and $248 million in 2017, 2016 and 2015, respectively.
Equity, royalty and interest income from investees, net of applicable taxes, was as follows:
  Years ended December 31,
In millions 2017 2016 2015
Distribution entities      
Komatsu Cummins Chile, Ltda. $30
 $34
 $31
North American distributors 
 21
 33
All other distributors (1) 
 3
Manufacturing entities      
Beijing Foton Cummins Engine Co., Ltd. 94
 52
 62
Dongfeng Cummins Engine Company, Ltd. 73
 46
 51
Chongqing Cummins Engine Company, Ltd. 41
 38
 41
Dongfeng Cummins Emission Solutions Co., Ltd. 13
 9
 6
Shanghai Fleetguard Filter Co., Ltd. 12
 10
 10
Cummins Westport, Inc. 9
(1) 
11
 18
All other manufacturers 37
(1) 
39
 18
Cummins share of net income 308
 260
 273
Royalty and interest income 49
 41
 42
Equity, royalty and interest income from investees $357
 $301
 $315

  Years ended December 31,
In millions 2014 2013 2012
Distribution Entities      
North American distributors $107
 $129
 $147
Komatsu Cummins Chile, Ltda. 29
 25
 26
All other distributors 4
 1
 4
Manufacturing Entities      
Dongfeng Cummins Engine Company, Ltd. 67
 63
 52
Chongqing Cummins Engine Company, Ltd. 51
 58
 61
Beijing Foton Cummins Engine Co., Ltd. (Light-duty) 28
 17
 5
Beijing Foton Cummins Engine Co., Ltd. (Heavy-duty) (30) (21) (13)
All other manufacturers 74
 53
 65
Cummins share of net income 330
 325
 347
Royalty and interest income 40
 36
 37
Equity, royalty and interest income from investees $370
 $361
 $384
(1) U.S. tax legislation passed in December 2017 decreased our equity earnings at certain equity investees, including a $7 million unfavorable impact to Cummins Westport, Inc. due to the remeasurement of deferred taxes and a $32 million unfavorable impact to "All other manufacturers" due to withholding tax adjustments on foreign earnings. See Note 2, "INCOME TAXES," to our Consolidated Financial Statements for additional information.
Distribution Entities
We have an extensive worldwide distributor and dealer network through which we sell and distribute our products and services. Generally, our distributors are divided by geographic region with some of our distributors being wholly-owned by Cummins, some partially-owned and the majoritysome independently owned. We consolidate all wholly-owned distributors and partially-owned distributors where we are the primary beneficiary and account for other partially-owned distributors using the equity method of accounting.
Komatsu Cummins Chile, Ltda. - Komatsu Cummins Chile, Ltda. is a joint venture with Komatsu America Corporation. The joint venture is a distributor that offers the full range of our products and services to customers and end-users in Chile and Peru.
North American Distributors - During 2016, we acquired the remaining interest in the final unconsolidated North American distributor joint venture.
North American Distributors - As of December 31, 2014, our distribution channel in North America included three unconsolidated partially-owned distributors. Our equity interests in these nonconsolidated entities ranged from 49 percent to 50 percent. We also had more than a 50 percent ownership interest in two partially owned distributors which we consolidate. While each distributor is a separate legal entity, the business of each is substantially the same as that of our wholly-owned distributors based in other parts of the world. All of our distributors, irrespective of their legal structure or ownership, offer the full range of our products and services to customers and end-users in their respective markets.

Komatsu Cummins Chile, Ltda. - Komatsu Cummins Chile, Ltda. is a joint venture with Komatsu America Corporation. The joint venture is a distributor that offers the full range of our products and services to customers and end-users in the Chilean and Peruvian markets.
We also have 50 percent equity interests in five other international distributors.

7882



We are contractually obligated to repurchase new engines, parts and components, special tools and signage from our North American distributors following an ownership transfer or termination of the distributor.
In addition, in certain cases where we own a partial interest in a distributor, we aremay be obligated to purchase the other equity holders' interests if certain events occur (such as the death or resignation of the distributor principal or a change in control of Cummins Inc.). The purchase consideration of the equity interests ismay be determined based on the fair valuevale of the distributor's assets. Outside of North America, repurchaseRepurchase obligations and practices vary by geographic region.
All distributors that are partially-owned are considered to be related parties in our Consolidated Financial Statements.
Manufacturing Entities
Our manufacturing joint ventures have generally been formed with customers and generally are intended to allow us to increase our market penetration in geographic regions, reduce capital spending, streamline our supply chain management and develop technologies. Our largest manufacturing joint ventures are based in China and are included in the list below. Our engine manufacturing joint ventures are supplied by our Components segment in the same manner as it supplies our wholly-owned Engine segment and Power GenerationSystems segment manufacturing facilities. Our Components segment joint ventures and wholly owned entities provide fuel systems, filtration, aftertreatment systems, and turbocharger products and transmissions that are used inwith our engines as well as some competitors' products. The results and investments in our joint ventures in which we have 50 percent or less ownership interest are included in “Equity, royalty and interest income from investees” and “Investments and advances related to equity method investees” in our Consolidated Statements of Income and Consolidated Balance Sheets, respectively.
Beijing Foton Cummins Engine Co., Ltd. - Beijing Foton Cummins Engine Co., Ltd. is a joint venture in China with Beiqi Foton Motor Co., Ltd., a commercial vehicle manufacturer, which consists of two distinct lines of business, a light-duty business and a heavy-duty business. The light-duty business produces our families of ISF 2.8 liter to 4.5 liter high performance light-duty diesel engines in Beijing. These engines are used in light-duty commercial trucks, pickup trucks, buses, multipurpose and sport utility vehicles with main markets in China, Brazil and Russia. Certain types of marine, small construction equipment and industrial applications are also served by these engine families. The heavy-duty business produces ISG 10.5 liter and ISG 11.8 liter families of our high performance heavy-duty diesel engines in Beijing. These engines are used in heavy-duty commercial trucks in China and will be used by Cummins either directly sourced from China and/or locally assembled in other markets. Certain types of construction equipment and industrial applications are also served by these engine families.
Dongfeng Cummins Engine Company, Ltd. - Dongfeng Cummins Engine Company, Ltd. (DCEC) is a joint venture in China with Dongfeng Automotive Co. Ltd., a subsidiary of Dongfeng Motor Corporation, one of the largest medium-duty and heavy-duty truck manufacturers in China. DCEC produces Cummins 3.9 to 13-liter mechanical engines, full-electric diesel engines, with a power range from 80 to 680 horsepower, and natural gas engines.
Chongqing Cummins Engine Company, Ltd. - Chongqing Cummins Engine Company, Ltd. is a joint venture in China with Chongqing Machinery and Electric Co. Ltd. This joint venture manufactures several models of our heavy-duty and high-horsepower diesel engines, primarily serving the industrial and stationary power markets in China.
Dongfeng Cummins Emission Solutions Co., Ltd. -Dongfeng Cummins Emission Solutions Co. Ltd. is a joint venture in China with Dongfeng Industrial Company, a subsidiary of Dongfeng Motor Group Company Limited, a manufacturer of numerous on-highway vehicles. This joint venture produces, purchases and sells advanced diesel engine aftertreatment solutions to support the full line of Dongfeng's commercial vehicles.
Shanghai Fleetguard Filter Co., Ltd. -Shanghai Fleetguard Filter Co. Ltd. is a joint venture in China with Dongfeng Motor Co., Ltd., a manufacturer of numerous on-highway vehicles. This joint venture produces and sells filters and filter parts to support the full line of Dongfeng's commercial vehicles.
Cummins Westport, Inc. -Cummins Westport Inc. is a joint venture in Canada with Westport Innovations Inc. to market and sell automotive spark-ignited natural gas engines worldwide and to participate in joint technology projects on low-emission technologies.

Dongfeng Cummins Engine Company, Ltd. - Dongfeng Cummins Engine Company, Ltd. (DCEC) is a joint venture in China with Dongfeng Automotive Co. Ltd., a subsidiary of Dongfeng Motor Corporation (Dongfeng), one of the largest medium-duty and heavy-duty truck manufacturers in China. DCEC produces Cummins 4- to 13-liter mechanical engines, full-electric diesel engines, with a power range from 125 to 545 horsepower, and natural gas engines.
Chongqing Cummins Engine Company, Ltd. - Chongqing Cummins Engine Company, Ltd. (CCEC) is a joint venture in China with Chongqing Machinery and Electric Co. Ltd. This joint venture manufactures several models of our heavy-duty and high-horsepower diesel engines, primarily serving the industrial and stationary power markets in China.
Beijing Foton Cummins Engine Co., Ltd. - Beijing Foton Cummins Engine Co., Ltd. is a joint venture in China with Beiqi Foton Motor Co., Ltd., a commercial vehicle manufacturer, which consists of two distinct lines of business, a light-duty business and a heavy-duty business. The light-duty business produces ISF2.8 literand ISF3.8 liter families of our high performance light-duty diesel engines in Beijing. These engines are used in light-duty commercial trucks, pickup trucks, buses, multipurpose and sport utility vehicles with main markets in China, Brazil and Russia. Certain types of marine, small construction equipment and industrial applications are also served by these engine families. The heavy-duty business has been in the development stage for the past several years but started production of ISG 10.5 literand ISG11.8 liter families of our high performance heavy-duty diesel engines in the second quarter of 2014 in Beijing. These engines are used in heavy-duty commercial trucks in China and will be used in world wide markets. Certain types of construction equipment and industrial applications will also be served by these engine families in the future.

7983




Equity Investee Financial Summary
We have approximately $489 million in our investment account at December 31, 2014, that represents cumulative undistributed income in our equity investees. Dividends received from our unconsolidated equity investees were $227 million, $271 million and $329 million in 2014, 2013 and 2012, respectively. Summary financial information for our equity investees was as follows:
  For the years ended and at December 31,
In millions 2017 2016 2015
Net sales $7,050
 $5,654
 $5,946
Gross margin 1,422
 1,182
 1,265
Net income 680
 499
 521
       
Cummins share of net income $308
 $260
 $273
Royalty and interest income 49
 41
 42
Total equity, royalty and interest from investees $357
 $301
 $315
       
Current assets $3,416
 $2,602
  
Non-current assets 1,379
 1,377
  
Current liabilities (2,567) (1,938)  
Non-current liabilities (237) (232)  
Net assets $1,991
 $1,809
  
       
Cummins share of net assets $1,116
 $927
  

  As of and for the years ended December 31,
In millions 2014 2013 2012
Net sales $7,426
 $7,799
 $8,296
Gross margin 1,539
 1,719
 1,870
Net income 630
 690
 747
       
Cummins share of net income $330
 $325
 $347
Royalty and interest income 40
 36
 37
Total equity, royalty and interest from investees $370
 $361
 $384
       
Current assets $2,476
 $2,742
  
Non-current assets 1,667
 1,794
  
Current liabilities (1,875) (2,090)  
Non-current liabilities (420) (541)  
Net assets $1,848
 $1,905
  
       
Cummins share of net assets $956
 $967
  
NOTE 4. INCOME TAXESSale of Equity Investee
  Years ended December 31,
In millions 2014 2013 2012
Income before income taxes      
U.S. income $1,407
 $1,058
 $998
Foreign income 1,027
 1,061
 1,273
Total $2,434
 $2,119
 $2,271
Income tax expense consistsIn the fourth quarter of the following:
  Years ended December 31,
In millions 2014 2013 2012
Current      
U.S. federal and state $470
 $239
 $118
Foreign 197
 192
 299
Total current 667
 431
 417
Deferred      
U.S. federal and state 39
 67
 108
Foreign (8) 33
 8
Total deferred 31
 100
 116
Income tax expense $698
 $531
 $533

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A reconciliation of the statutory U.S. federal income tax rate to the effective tax rate was as follows:
  Years ended December 31,
  2014 2013 2012
Statutory U.S. federal income tax rate 35.0 % 35.0 % 35.0 %
State income tax, net of federal effect 1.1
 0.2
 1.0
Differences in rates and taxability of foreign subsidiaries and joint ventures (5.7) (6.0) (12.1)
Research tax credits (1.5) (3.7) (0.4)
Other, net (0.2) (0.4) 
Effective tax rate 28.7 % 25.1 % 23.5 %

Our income tax rates are generally less than the 35 percent U.S. statutory income tax rate primarily because of lower taxes on foreign earnings and research tax credits. Our effective tax rate for 2014 was 28.7 percent compared to 25.1 percent for 2013. The 3.6 percent increase in the effective tax rate from 2013 to 2014 is partially due to a 1.2 percent net tax benefit for one-time items in 2013 that did not repeat in 2014. These 2013 one-time items consisted primarily of the 2012 federal research tax credit that was reinstated during 2013. The additional 2.4 percent increase in tax rate from 2013 to 2014 is attributable primarily to the following unfavorable items that occurred in 2014: a tax law change in the United Kingdom (U.K.) resulting in a higher limitation on the deductibility of interest; unfavorable changes in the jurisdictional mix of pretax income; and increases in state valuation allowances.
Retained earnings of our U.K. domiciled subsidiaries and certain Singapore, German, Indian and Mexican subsidiaries are considered to be permanently reinvested. During 2013,2016, we released $12 million of U.S. deferred tax liabilities related to prior years unremitted income of certain Indian and Mexican subsidiaries considered to be permanently reinvested starting in 2013. In addition, earnings of our China operations generated after December 31, 2011, are considered to be permanently reinvested. U.S. deferred tax is not provided on these permanently reinvested earnings. Our permanently reinvested foreign earnings are expected to be used for items such as capital expenditures and to fund joint ventures outside of the U.S. The total permanently reinvested retained earnings and related cumulative translation adjustment balances for these entities were $3.8 billion, $3.1 billion and $2.3 billion for the years ended December 31, 2014, 2013, and 2012, respectively. These amounts were determined primarily based on book retained earnings balances for these subsidiaries translated at historical rates. The determination of the deferred tax liability related to these retained earnings and cumulative translation adjustment balances which are considered to be permanently reinvested outside the U.S. is not practicable.
Forsold our remaining subsidiary companies and joint ventures outside the U.S., we provide49 percent interest in Cummins Olayan Energy for the additional taxes that would be due upon the dividend distribution of the income of those foreign subsidiaries and joint ventures assuming the full utilization of foreign tax credits. Deferred tax liabilities on unremitted earnings of foreign subsidiaries and joint ventures, including those in China generated in years prior to 2012, were $204 million and $201 million at December 31, 2014 and 2013, respectively. We have $661 million of retained earnings and related cumulative translation adjustments in our China operations generated prior to December 31, 2011, for which we have provided a U.S. deferred tax liability of $155 million. We anticipate that these earnings will be distributed to the U.S. within the next five years.
Income before income taxes included equity income of foreign joint ventures of $212 million, $203 million and $192 million for the years ended December 31, 2014, 2013 and 2012, respectively. This equity income is recorded net of foreign taxes. Additional U.S. income taxes of $14 million, $13 million and $9 million for the years ended December 31, 2014, 2013 and 2012, respectively, were provided for the additional U.S. taxes that will ultimately be due upon the distribution of the foreign joint venture equity income.

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Carryforward tax benefits and the tax effect of temporary differences between financial and tax reporting that give rise to net deferred tax assets were as follows:
  December 31,
In millions 2014 2013
Deferred tax assets    
U.S. state carryforward benefits $124
 $124
Foreign carryforward benefits 66
 63
Employee benefit plans 367
 328
Warranty expenses 354
 332
Accrued expenses 89
 70
Other 45
 51
Gross deferred tax assets 1,045
 968
Valuation allowance (144) (101)
Total deferred tax assets 901
 867
Deferred tax liabilities    
Property, plant and equipment (329) (304)
Unremitted income of foreign subsidiaries and joint ventures (204) (201)
Employee benefit plans (161) (158)
Other (23) (27)
Total deferred tax liabilities (717) (690)
Net deferred tax assets $184
 $177
Our 2014 U.S. carryforward benefits include $124 million of state credit and net operating loss carryforward benefits that begin to expire in 2015. Our foreign carryforward benefits include $66 million of net operating loss carryforwards that begin to expire in 2015. A valuation allowance is recorded to reduce the gross deferred tax assets to an amount we believe is more likely than not to be realized. The valuation allowance increased in 2014 by a net $43$61 million and increased in 2013 byrecognized a net $6gain of $17 million. The valuation allowance is primarily attributable toWe received cash of $58 million with the uncertainty regarding the realization of a portion of the U.S. state and foreign net operating loss and tax credit carryforward benefits. Prepaid and other current assets include deferred tax assets of $274 million and $232 million for the years ended December 31, 2014 and 2013, respectively. In addition, prepaid and other current assets include refundable income taxes of $170 million and $152 million for the years ended December 31, 2014 and 2013, respectively. Other assets include deferred tax assets of $40 million and $61 million for the years ended December 31, 2014 and 2013, respectively. In addition, other assets include $24 million and $59 million of long-term refundable income taxes for the years ended December 31, 2014 and 2013, respectively. Other liabilities and deferred revenue included deferred tax liabilities of $130 million and $116 million for the years ended December 31, 2014 and 2013, respectively.

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A reconciliation of unrecognized tax benefits for the years ended December 31, 2014, 2013 and 2012 was as follows:
In millions  
Balance at December 31, 2011 $86
Additions based on tax positions related to the current year 4
Additions based on tax positions related to the prior years 57
Reductions for tax positions related to prior years (2)
Balance at December 31, 2012 145
Additions based on tax positions related to the current year 10
Additions based on tax positions related to the prior years 21
Reductions for tax positions related to prior years (6)
Reductions for tax positions relating to lapse of statute of limitations (1)
Balance at December 31, 2013 169
Additions based on tax positions related to the current year 8
Additions based on tax positions related to the prior years 5
Reductions for tax positions related to prior years (2)
Reductions for tax positions relating to settlements with taxing authorities (5)
Reductions for tax positions relating to lapse of statute of limitations (1)
Balance at December 31, 2014 $174
Included in the December 31, 2014 and 2013, balances are $114 million and $107 million related to tax positions that, if recognized, would favorably impact the effective tax rateremaining balance receivable in future periods. Also, we had accrued interest expense related to the unrecognized tax benefits of $7 million, $3 million and $2 million as of December 31, 2014, 2013 and 2012, respectively. We recognize potential accrued interest and penalties related to unrecognized tax benefits in income tax expense. For the years ended December 31, 2014, 2013 and 2012, we recognized $4 million, $1 million and $(3) million in net interest expense, respectively.
Audit outcomes and the timing of audit settlements are subject to significant uncertainty. Although we believe that adequate provision has been made for such issues, there is the possibility that the ultimate resolution of such issues could have an adverse effect on our earnings. Conversely, if these issues are resolved favorably in the future, the related provision would be reduced, thus having a positive impact on earnings.
In January 2015, we resolved tax matters related primarily to certain tax credits that were under examination. We estimate that unrecognized tax benefits will decrease in an amount ranging from $60 million to $70 million in the first quarter of 2015 due to the resolution of these issues. We expect this resolution to result in a tax benefit ranging from $10 million to $20 million in the first quarter of 2015. We do not expect any other significant changes in our unrecognized tax benefits in the next 12 months.
As a result of our global operations, we file income tax returns in various jurisdictions including U.S. federal, state and foreign jurisdictions. We are routinely subject to examination by taxing authorities throughout the world, including Australia, Belgium, Brazil, Canada, China, France, India, Mexico, the U.K. and the U.S. With few exceptions, our U.S. federal, major state and foreign jurisdictions are no longer subject to income tax assessments for years before 2011. The U.S. examinations related to tax years 2011-2012 commenced during 2014.


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NOTE 5.4. MARKETABLE SECURITIES
A summary of marketable securities, all of which are classified as current, was as follows:
  December 31,
  2017 2016
In millions Cost Gross unrealized
gains/(losses)
 Estimated
fair value
 Cost Gross unrealized
gains/(losses)
 Estimated
fair value
Available-for-sale (1)
  
  
  
  
  
  
Debt mutual funds $170
 $
 $170
 $132
 $
 $132
Bank debentures 
 
 
 114
 
 114
Equity mutual funds 12
 3
 15
 12
 
 12
Certificates of deposit 12
 
 12
 
 
 
Government debt securities 1
 
 1
 2
 
 2
Total marketable securities $195
 $3
 $198
 $260
 $
 $260
  December 31,
  2014 2013
In millions Cost Gross unrealized
gains/(losses)
 Estimated
fair value
 Cost Gross unrealized
gains/(losses)
 Estimated
fair value
Available-for-sale  
  
  
  
  
  
Level 1(1) (2)
            
Equity securities(3)
 $
 $
 $
 $10
 $13
 $23
Total Level 1 
 
 
 10
 13
 23
Level 2(2) (4)
            
Debt mutual funds 75
 1
 76
 99
 2
 101
Equity mutual funds 9
 
 9
 
 
 
Bank debentures 6
 
 6
 2
 
 2
Certificates of deposit 
 
 
 22
 
 22
Government debt securities 2
 
 2
 3
 (1) 2
Total Level 2 92
 1
 93
 126
 1
 127
Total marketable securities $92
 $1
 $93
 $136
 $14
 $150

(1) The fair value of Level 1 All marketable securities is estimated primarily by referencing quoted prices in active markets for identical assets.
(2) We revised 2013 balances to classify $72 millionare classified as Level 2 assets instead of Level 1.
(3) In the first quarter of 2013, we realized a $9 million gain on the sale of equity securities.
(4)The fair value of Level 2 securities is estimated primarily using actively quoted prices for similar instruments from brokers and observable inputs where available, including market transactions and third-party pricing services.services, or net asset values provided to investors. We do not currently have any Level 3 securities and there were no transfers between Level 2 or 3 during 2014 and 2013.2017 or 2016.  
Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (exit price). We utilize market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market corroborated, or generally unobservable. We primarily apply the market approach for recurring fair value measurements and utilize the best available information. Accordingly, we utilize valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs. We are able to classify fair value balances based on the observability of those inputs. The fair value hierarchy prioritizes the inputs used to measure fair value giving the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurement) and the lowest priority to unobservable inputs (Level 3 measurement). At December 31, 2014, we did not have any Level 1 or Level 3 financial assets or liabilities.
A description of the valuation techniques and inputs used for our Level 2 fair value measures was as follows:
Debt mutual funds— The fair value measure for the vast majority of these investments is the daily net asset value published on a regulated governmental website. Daily quoted prices are available from the issuing brokerage and are used on a test basis to corroborate this Level 2 input.
Bank debentures and Certificates of deposit— These investments provide us with a contractual rate of return and generally range in maturity from three months to five years. The counterparties to these investments are reputable financial institutions with investment grade credit ratings. Since these instruments are not tradable and must be settled directly by us with the respective financial institution, our fair value measure is the financial institutions’ month-end statement.
Debt mutual funds— Assets in Level 2 consist of exchange traded mutual funds that lack sufficient trading volume to be classified at Level 1. The fair value measure for these investments is the daily net asset value published on a regulated governmental website. Daily quoted prices are available from the issuing brokerage and are used on a test basis to corroborate this Level 2 input.
Bank debentures and Certificates of deposit— These investments provide us with a fixed rate of return and generally range in maturity from six months to five years. The counter-parties to these investments are reputable financial institutions with investment grade credit ratings. Since these instruments are not tradable and must be settled directly by us with the respective financial institution, our fair value measure is the financial institutions’ month-end statement.
Government debt securities-non-U.S. and Corporate debt securities— The fair value measure for these securities are broker quotes received from reputable firms. These securities are infrequently traded on a national stock exchange and these values are used on a test basis to corroborate our Level 2 input measure.

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Equity mutual funds— The fair value measure for these investments is the net asset value published by the issuing brokerage. Daily quoted prices are available from reputable third party pricing services and are used on a test basis to corroborate this Level 2 input measure.
Government debt securities— The fair value measure for these securities is broker quotes received from reputable firms. These securities are infrequently traded on a national stock exchange and these values are used on a test basis to corroborate our Level 2 input measure.
The proceeds from sales and maturities of marketable securities and gross realized gains from the sale of AFSavailable-for-sale (AFS) securities were as follows:
 Years ended December 31, Years ended December 31,
In millions 2014 2013 2012 2017 2016 2015
Proceeds from sales and maturities of marketable securities $336
 $525
 $585
 $266
 $306
 $270
Gross realized gains from the sale of available-for-sale securities(1)
 14
 14
 3
 
 
 1

(1) Gross realized losses from the sale of available-for-sale securities were immaterial.
At December 31, 2014,2017, the fair value of available-for-saleAFS investments in debt securities that utilize a Level 2 fair value measure is shown by contractual maturity below:
Maturity date (in millions)
1 year or less $182
1 - 5 years 1
Total $183

Maturity date(in millions)
1 year or less$77
1 - 5 years6
5 - 10 years1
Total$84
NOTE 6.5. INVENTORIES
Inventories are stated at the lower of cost or market. Inventories included the following:
 December 31,
In millions2017 2016
Finished products$2,078
 $1,779
Work-in-process and raw materials1,216
 1,005
Inventories at FIFO cost3,294
 2,784
Excess of FIFO over LIFO(128) (109)
Total inventories$3,166
 $2,675

 December 31,
In millions2014 2013
Finished products$1,859
 $1,487
Work-in-process and raw materials1,129
 1,005
Inventories at FIFO cost2,988
 2,492
Excess of FIFO over LIFO(122) (111)
Total inventories$2,866
 $2,381
NOTE 7.6. PROPERTY, PLANT AND EQUIPMENT
Details of our property, plant and equipment balance were as follows:
 December 31,
In millions2017 2016
Land and buildings$2,332
 $2,075
Machinery, equipment and fixtures5,285
 4,898
Construction in process441
 662
Property, plant and equipment, gross8,058
 7,635
Less: Accumulated depreciation(4,131) (3,835)
Property, plant and equipment, net$3,927
 $3,800

 December 31,
In millions2014 2013
Land and buildings$1,822
 $1,427
Machinery, equipment and fixtures4,722
 4,174
Construction in process (1)
579
 809
Property, plant and equipment, gross7,123
 6,410
Less: Accumulated depreciation(3,437) (3,254)
Property, plant and equipment, net$3,686
 $3,156

(1)
Construction in process included $14 million in 2014 and $188 million in 2013 related to our light-duty diesel engine platform.



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Table of Contents



NOTE 8.7. GOODWILL AND OTHER INTANGIBLE ASSETS
The following table summarizes the changes in the carrying amount of goodwill for the years ended December 31, 20142017 and 2013:2016:
In millionsComponents Distribution Power Systems Engine Total 
Balance at December 31, 2015$391
 $75
 $10
 $6
 $482
 
Acquisitions
 4
 
 
 4
 
Translation and other(5) 
 (1) 
 (6) 
Balance at December 31, 2016386
 79
 9
 6
 480
 
Acquisitions544
(1) 

 
 
 544
 
Translation and other10
 
 1
 
 11
 
Balance at December 31, 2017$940
 $79
 $10
 $6
 $1,035
 
     Goodwill not yet allocated to segments        47
(2) 
         $1,082
 

In millionsComponents Distribution Power Generation Engine Total
Balance at December 31, 2012$408
 $19
 $12
 $6
 $445
Acquisitions
 13
 
 
 13
Translation and other3
 (1) 1
 
 3
Balance at December 31, 2013411
 31
 13
 6
 461
Acquisitions
 31
 
 
 31
Translation and other(11) 
 (2) 
 (13)
Balance at December 31, 2014$400
 $62
 $11
 $6
 $479

(1)
Acquisition goodwill relates to Eaton Cummins Automated Transmission Technologies. See Note 18, "ACQUISITIONS," for additional information.
(2)
Goodwill associated with the Brammo Inc. acquisition was presented as a reconciling item as it had not yet been assigned to a reportable segment at December 31, 2017. Effective January 1, 2018, Brammo Inc. will be assigned to a new reportable segment called Electrified Power. See Note 18, "ACQUISITIONS," for additional information.
Intangible assets that have finite useful lives are amortized over their estimated useful lives. The following table summarizes our other intangible assets with finite useful lives that are subject to amortization:
 December 31,
In millions2017 2016
Software$718
 $617
Less: Accumulated amortization(386) (330)
Software, net332
 287
Trademarks, patents, customer relationships and other786
 164
Less: Accumulated amortization(145) (119)
Trademarks, patents, customer relationships and other, net641
 45
Total other intangible assets, net$973
 $332
 December 31,
In millions2014 2013
Software$472
 $494
Less: Accumulated amortization(218) (218)
Net software254
 276
Trademarks, patents and other164
 135
Less: Accumulated amortization(75) (54)
Net trademarks, patents and other89
 81
Total$343
 $357

Amortization expense for software and other intangibles totaled $99$112 million, $86$92 million and $64$90 million for the years ended December 31, 2014, 20132017, 2016 and 2012,2015, respectively. Internal and external software costs (excluding those related to research, re-engineering and training), trademarks and patents are amortized generally over a 3 to 12 year period. The projected amortization expense of our intangible assets, assuming no further acquisitions or dispositions, is as follows:
In millions2018 2019 2020 2021 2022
Projected amortization expense$130
 $116
 $101
 $76
 $55

In millions2015 2016 2017 2018 2019
Projected amortization expense$86
 $75
 $56
 $36
 $25

NOTE 9. DEBT
Loans Payable
Loans payable at December 31, 2014 and 2013 were $86 million and $17 million, respectively, and consisted primarily of notes payable to financial institutions. The weighted-average interest rate for notes payable, bank overdrafts and current maturities of long-term debt at December 31, 2014, 2013 and 2012, was as follows:
 2014 2013 2012
Weighted average interest rate3.70% 2.59% 3.21%
Interest
For the years ended December 31, 2014, 2013 and 2012, total interest incurred was $71 million, $48 million and $39 million, respectively, and interest capitalized was $7 million, $7 million and $7 million, respectively.
Revolving Credit Facility
On November 9, 2012, we entered into a five-year revolving credit agreement with a syndicate of lenders. The credit agreement provides us with a $1.75 billion senior unsecured revolving credit facility, the proceeds of which are to be used for working capital or other general corporate purposes. In the fourth quarter of 2014, we exercised our option to extend the maturity date of our revolving credit agreement by one year from November 9, 2017, to November 9, 2018.

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Amounts payable under our revolving credit facility will rank pro rata with all of our unsecured, unsubordinated indebtedness. Up to $200 million under our credit facility is available for swingline loans denominated in U.S. dollars. Advances under the facility bear interest at (i) a base rate or (ii) a rate equal to the LIBOR rate plus an applicable margin based on the credit ratings of our outstanding senior unsecured long-term debt. Based on our current long-term debt ratings, the applicable margin on LIBOR rate loans was 0.875 percent per annum as of December 31, 2014. Advances under the facility may be prepaid without premium or penalty, subject to customary breakage costs.
The credit agreement includes various covenants, including, among others, maintaining a leverage ratio of no more than 3.25 to 1.0. As of December 31, 2014, we were in compliance with the covenants.
There were no outstanding borrowings under this facility at December 31, 2014. A reconciliation of the maximum capacity of our revolver to the amount available under the facility was as follows:

In millionsDecember 31, 2014
Maximum credit capacity of the revolving credit facility$1,750
Less: Letters of credit against revolving credit facility24
Amount available for borrowing under the revolving credit facility$1,726

As of December 31, 2014, we also had $261 million available for borrowings under our international and other domestic credit facilities. Borrowings against the other domestic and international short-term facilities were $86 million as of December 31, 2014 and $17 million at the end of 2013.
Long-term Debt
 December 31,
In millions2014 2013
Long-term debt   
Senior notes, 3.65%, due 2023$500
 $500
Debentures, 6.75%, due 202758
 58
Debentures, 7.125%, due 2028250
 250
Senior notes, 4.875%, due 2043500
 500
Debentures, 5.65%, due 2098 (effective interest rate 7.48%)165
 165
Credit facilities related to consolidated joint ventures3
 92
Other debt31
 65
Unamortized discount(47) (48)
Fair value adjustments due to hedge on indebtedness65
 49
Capital leases87
 92
Total long-term debt1,612
 1,723
Less: Current maturities of long-term debt(23) (51)
Long-term debt$1,589
 $1,672

Principal payments required on long-term debt during the next five years are as follows:
In millions2015 2016 2017 2018 2019
Principal payments$23
 $28
 $12
 $16
 $11
As a well-known seasoned issuer, we filed an automatic shelf registration for an undetermined amount of debt and equity securities with the Securities and Exchange Commission on September 16, 2013. Under this shelf registration we may offer, from time to time, debt securities, common stock, preferred and preference stock, depositary shares, warrants, stock purchase contracts and stock purchase units.

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In September 2013, we issued $1 billion aggregate principal amount of senior notes consisting of $500 millionaggregate principal amount of 3.65% senior unsecured notes due in 2023 and $500 millionaggregate principal amount of 4.875% senior unsecured notes due in 2043.We received net proceeds of $979 million. The senior notes pay interest semi-annually on April 1 and October 1, commencing on April 1, 2014. The indenture governing the senior notes contains covenants that, among other matters, limit (i) our ability to consolidate or merge into, or sell, assign, convey, lease, transfer or otherwise dispose of all or substantially all of our and our subsidiaries' assets to another person, (ii) our and certain of our subsidiaries' ability to create or assume liens and (iii) our and certain of our subsidiaries' ability to engage in sale and leaseback transactions.
Interest on the 6.75% debentures is payable on February 15 and August 15 each year.
Interest on the $250 million 7.125% debentures and $165 million 5.65% debentures is payable on March 1 and September 1 of each year. The debentures are unsecured and are not subject to any sinking fund requirements. We can redeem the 7.125% debentures and the 5.65% debentures at any time prior to maturity at the greater of par plus accrued interest or an amount designed to ensure that the debenture holders are not penalized by the early redemption.
Our debt agreements contain several restrictive covenants. The most restrictive of these covenants applies to our revolving credit facility which will upon default, among other things, limit our ability to incur additional debt or issue preferred stock, enter into sale-leaseback transactions, sell or create liens on our assets, make investments and merge or consolidate with any other person. In addition, we are subject to a maximum debt-to-EBITDA ratio financial covenant. As of December 31, 2014, we were in compliance with all of the covenants under our borrowing agreements.
Interest Rate Risk
We are exposed to market risk from fluctuations in interest rates. We manage our exposure to interest rate fluctuations through the use of interest rate swaps. The objective of the swaps is to more effectively balance our borrowing costs and interest rate risk.
In February 2014, we settled our November 2005 interest rate swap which previously converted our $250 million debt issue, due in 2028, from a fixed rate to a floating rate based on LIBOR spread. We are amortizing the $52 million gain realized upon settlement over the remaining 14-year term of related debt.
Also, in February 2014, we entered into a series of interest rate swaps to effectively convert our September 2013, $500 million debt issue, due in 2023, from a fixed rate of 3.65 percent to a floating rate equal to the one-month LIBOR plus a spread. The terms of the swaps mirror those of the debt, with interest paid semi-annually. The swaps were designated, and will be accounted for, as fair value hedges under GAAP. The gain or loss on these derivative instruments, as well as the offsetting gain or loss on the hedged item attributable to the hedged risk, are recognized in current income as “Interest expense.” The net swap settlements that accrue each period are also reported in interest expense.
The following table summarizes these gains and losses for the years presented below:
  Years ended December 31,
In millions 2014 2013 2012
Income Statement Classification Gain/(Loss) on
Swaps
 Gain/(Loss) on
Borrowings
 Gain/(Loss) on
Swaps
 Gain/(Loss) on
Borrowings
 Gain/(Loss) on
Swaps
 Gain/(Loss) on
Borrowings
Interest expense (1)
 $23
 $(19) $(39) $39
 $6
 $(6)

(1) The difference between the gain/(loss) on swaps and borrowings represents hedge ineffectiveness.

Fair Value of Debt
Based on borrowing rates currently available to us for bank loans with similar terms and average maturities, considering our risk premium, the fair value and carrying value of total debt, including current maturities, was as follows:
In millions December 31, 2014 December 31, 2013
Fair value of total debt(1)
 $1,993
 $1,877
Carrying value of total debt 1,698
 1,740

(1) The fair value of debt is derived from Level 2 inputs.

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NOTE 10.8. PRODUCT WARRANTY LIABILITY
A tabular reconciliation of the product warranty liability, including the deferred revenue related to our extended warranty coverage and accrued recall programs was as follows:
  December 31,
In millions  2017 2016 2015
Balance, beginning of year $1,414
 $1,404
 $1,283
Provision for warranties issued 557
 334
 391
Deferred revenue on extended warranty contracts sold 240
 231
 290
Payments (398) (385) (389)
Amortization of deferred revenue on extended warranty contracts (219) (201) (179)
Changes in estimates for pre-existing warranties 85
 44
 20
Foreign currency translation 8
 (13) (12)
Balance, end of year $1,687
 $1,414
 $1,404

  December 31,
In millions  2014 2013
Balance, beginning of year $1,129
 $1,088
Provision for warranties issued 411
 431
Deferred revenue on extended warranty contracts sold 263
 189
Payments (404) (427)
Amortization of deferred revenue on extended warranty contracts (148) (115)
Changes in estimates for pre-existing warranties 41
 (35)
Foreign currency translation (9) (2)
Balance, end of year $1,283
 $1,129
Warranty related deferred revenue, supplier recovery receivablesrevenues and the long-term portion of the warranty liabilityliabilities on our Consolidated Balance Sheets were as follows:
  December 31,  
In millions 2017 2016 Balance Sheet Location
Deferred revenue related to extended coverage programs      
Current portion $231
 $218
 Current portion of deferred revenue
Long-term portion 536
 527
 Other liabilities and deferred revenue
Total $767
 $745
  
       
Long-term portion of warranty liability $466
 $336
 Other liabilities and deferred revenue

NOTE 9. DEBT
Loans Payable and Commercial Paper
Loans payable at December 31, 2017 and 2016 were $57 million and $41 million, respectively, and consisted primarily of notes payable to financial institutions. The weighted-average interest rate for notes payable, bank overdrafts and current maturities of long-term debt at December 31 was as follows:
  2017 2016 2015
Weighted-average interest rate 3.01% 4.20% 3.65%


87



We can issue up to $1.75 billion of unsecured short-term promissory notes ("commercial paper") pursuant to our board authorized commercial paper programs. The programs facilitate the private placement of unsecured short-term debt through third party brokers. We intend to use the net proceeds from the commercial paper borrowings for general corporate purposes. We had $298 million in outstanding borrowings under our commercial paper programs at December 31, 2017, with a weighted-average interest rate of 1.56 percent.
Revolving Credit Facilities
On November 13, 2015, we entered into an amended and restated five-year revolving credit agreement with a syndicate of lenders, which provides us with a $1.75 billion senior unsecured revolving credit facility and expires on November 13, 2020. Amounts payable under our revolving credit facility will rank pro rata with all of our unsecured, unsubordinated indebtedness. Up to $300 million under our credit facility is available for swingline loans. Advances under the facility bear interest at (i) a base rate or (ii) a rate equal to the LIBOR rate plus an applicable margin based on the credit ratings of our outstanding senior unsecured long-term debt. Based on our current long-term debt ratings, the applicable margin on LIBOR rate loans was 0.75 percent per annum at December 31, 2017. Advances under the facility may be prepaid without premium or penalty, subject to customary breakage costs.
On September 5, 2017, we entered into a 364-day credit facility that allows us to borrow up to $1 billion of additional unsecured funds at any time through September 2018.
These credit agreements include various covenants, including, among others, maintaining a leverage ratio of no more than 3.5 to 1.0. At December 31, 2017, we were in compliance with the covenants.
There were no outstanding borrowings under these facilities at December 31, 2017. We intend to maintain credit facilities of a similar aggregate amount by renewing or replacing these facilities before expiration. Revolving credit facilities are maintained primarily to provide backup liquidity for our commercial paper borrowings, letters of credit and general corporate purposes. At December 31, 2017, we had $298 million of commercial paper outstanding, which effectively reduced the $1.75 billion available capacity under our five-year revolving credit facility to $1.45 billion. At December 31, 2017, we also had $1 billion available under our 364-day facility.
At December 31, 2017, we also had $240 million available for borrowings under our international and other domestic credit facilities.

Long-term Debt
 December 31,
In millions2017 2016
Long-term debt   
Senior notes, 3.65%, due 2023$500
 $500
Debentures, 6.75%, due 202758
 58
Debentures, 7.125%, due 2028250
 250
Senior notes, 4.875%, due 2043500
 500
Debentures, 5.65%, due 2098 (effective interest rate 7.48%)165
 165
Other debt76
 51
Unamortized discount(54) (56)
Fair value adjustments due to hedge on indebtedness35
 47
Capital leases121
 88
Total long-term debt1,651
 1,603
Less: Current maturities of long-term debt63
 35
Long-term debt$1,588
 $1,568

Principal payments required on long-term debt during the next five years are as follows:
In millions2018 2019 2020 2021 2022
Principal payments$63
 $50
 $12
 $6
 $6


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Interest on the $500 million aggregate principal amount of 3.65% senior unsecured notes due in 2023 and the $500 million aggregate principal amount of 4.875% senior unsecured notes due in 2043 pay interest semi-annually on April 1 and October 1 of each year.
Interest on the 6.75% debentures is payable on February 15 and August 15 of each year.
Interest on the $250 million 7.125% debentures and $165 million 5.65% debentures is payable on March 1 and September 1 of each year. The debentures are unsecured and are not subject to any sinking fund requirements. We can redeem the 7.125% debentures and the 5.65% debentures at any time prior to maturity at the greater of par plus accrued interest or an amount designed to ensure that the debenture holders are not penalized by the early redemption.
Our debt agreements contain several restrictive covenants. The most restrictive of these covenants applies to our revolving credit facility which will upon default, among other things, limit our ability to incur additional debt or issue preferred stock, enter into sale-leaseback transactions, sell or create liens on our assets, make investments and merge or consolidate with any other entity. In addition, we are subject to a maximum debt-to-EBITDA ratio financial covenant. At December 31, 2017, we were in compliance with all of the covenants under our borrowing agreements.
Shelf Registration
As a well-known seasoned issuer, we filed an automatic shelf registration for an undetermined amount of debt and equity securities with the SEC on February 16, 2016. Under this shelf registration we may offer, from time to time, debt securities, common stock, preferred and preference stock, depositary shares, warrants, stock purchase contracts and stock purchase units.
Interest
For the years ended December 31, 2017, 2016 and 2015, total interest incurred was $85 million, $75 million and $68 million, respectively, and interest capitalized was $4 million, $6 million and $3 million, respectively.
Interest Rate Risk
We are exposed to market risk from fluctuations in interest rates. We manage our exposure to interest rate fluctuations through the use of interest rate swaps. The objective of the swaps is to more effectively balance our borrowing costs and interest rate risk.
We have a series of interest rate swaps to effectively convert our September 2013, $500 million debt issue, due in 2023, from a fixed rate of 3.65 percent to a floating rate equal to the one-month LIBOR plus a spread. The terms of the swaps mirror those of the debt, with interest paid semi-annually. The swaps were designated, and will be accounted for, as fair value hedges under GAAP. The gain or loss on these derivative instruments, as well as the offsetting gain or loss on the hedged item attributable to the hedged risk, are recognized in current income as “Interest expense.” The net swap settlements that accrue each period are also reported in interest expense.
The following table summarizes these gains and losses for the years presented below:
  December 31,  
In millions 2014 2013 Balance Sheet Location
Deferred revenue related to extended coverage programs      
Current portion $170
 $145
 Deferred revenue
Long-term portion 438
 349
 Other liabilities and deferred revenue
Total $608
 $494
  
Receivables related to estimated supplier recoveries      
Current portion $12
 $5
 Trade and other receivables
Long-term portion 4
 5
 Other assets
Total $16
 $10
  
Long-term portion of warranty liability $312
 $275
 Other liabilities and deferred revenue
  Years ended December 31,
In millions 2017 2016 2015
Income Statement Classification Gain/(Loss) on Swaps Gain/(Loss) on Borrowings Gain/(Loss) on Swaps Gain/(Loss) on Borrowings Gain/(Loss) on
Swaps
 Gain/(Loss) on
Borrowings
Interest expense (1)
 $(7) $8
 $(8) $12
 $6
 $(2)

(1) The difference between the gain/(loss) on swaps and borrowings represents hedge ineffectiveness.

Fair Value of Debt
Based on borrowing rates currently available to us for bank loans with similar terms and average maturities, considering our risk premium, the fair values and carrying values of total debt, including current maturities, were as follows:
  December 31,
In millions 2017 2016
Fair values of total debt (1)
 $2,301
 $2,077
Carrying values of total debt 2,006
 1,856

(1) The fair value of debt is derived from Level 2 inputs.

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NOTE 11.10. PENSION AND OTHER POSTRETIREMENT BENEFITS
Pension Plans
We sponsor several contributory and noncontributory pension plans covering substantially all employees. Generally, hourly employee pension benefits are earned based on years of service and compensation during active employment while future benefits for salaried employees are determined using a cash balance formula. However, the level of benefits and terms of vesting may vary among plans. Pension plan assets are administered by trustees and are principally invested in fixed income securities and equity securities. It is our policy to make contributions to our various qualified plans in accordance with statutory and contractual funding requirements and any additional contributions we determine are appropriate.
Obligations, Assets and Funded Status
Benefit obligation balances presented below reflect the projected benefit obligation (PBO) for our pension plans. The changes in the benefit obligations, the various plan assets, the funded status of the plans and the amounts recognized in our Consolidated Balance Sheets for our significant pension plans at December 31 were as follows:

89
  Qualified and Non-Qualified Pension Plans
  U.S. Plans U.K. Plans
In millions 2017 2016 2017 2016
Change in benefit obligation        
Benefit obligation at the beginning of the year $2,661
 $2,533
 $1,451
 $1,390
Service cost 107
 90
 26
 21
Interest cost 106
 109
 40
 50
Actuarial loss 61
 111
 53
 316
Benefits paid from fund (155) (175) (54) (55)
Benefits paid directly by employer (15) (16) 
 
Plan amendments 
 9
 
 
Exchange rate changes 
 
 146
 (271)
Benefit obligation at end of year $2,765
 $2,661
 $1,662
 $1,451
Change in plan assets        
Fair value of plan assets at beginning of year $2,751
 $2,636
 $1,753
 $1,712
Actual return on plan assets 351
 200
 78
 402
Employer contributions 219
 90
 9
 28
Benefits paid (155) (175) (54) (55)
Exchange rate changes 
 
 174
 (334)
Fair value of plan assets at end of year $3,166
 $2,751
 $1,960
 $1,753
Funded status (including underfunded and nonfunded plans) at end of year $401
 $90
 $298
 $302
Amounts recognized in consolidated balance sheets        
Pension assets - long-term $745
 $429
 $298
 $302
Accrued compensation, benefits and retirement costs - current liabilities (14) (13) 
 
Pensions - long-term liabilities (330) (326) 
 
Net amount recognized $401
 $90
 $298
 $302
Amounts recognized in accumulated other comprehensive loss        
Net actuarial loss $649
 $770
 $207
 $172
Prior service cost 8
 9
 
 
Net amount recognized $657
 $779
 $207
 $172



  Qualified and Non-Qualified Pension Plans
  U.S. Plans U.K. Plans
In millions 2014 2013 2014 2013
Change in benefit obligation        
Benefit obligation at the beginning of the year $2,261
 $2,454
 $1,429
 $1,269
Service cost 66
 70
 24
 21
Interest cost 105
 93
 63
 57
Actuarial loss (gain) 301
 (193) 139
 96
Benefits paid from fund (143) (150) (48) (50)
Benefits paid directly by employer (11) (13) 
 
Exchange rate changes 
 
 (85) 37
Other 
 
 
 (1)
Benefit obligation at end of year $2,579
 $2,261
 $1,522
 $1,429
Change in plan assets        
Fair value of plan assets at beginning of year $2,445
 $2,327
 $1,516
 $1,324
Actual return on plan assets 311
 168
 254
 142
Employer contributions 100
 100
 94
 56
Benefits paid (143) (150) (48) (50)
Exchange rate changes 
 
 (92) 44
Fair value of plan assets at end of year $2,713
 $2,445
 $1,724
 $1,516
Funded status (including underfunded and nonfunded plans) at end of year $134
 $184
 $202
 $87
Amounts recognized in consolidated balance sheets        
Prepaid pensions - long-term assets $435
 $427
 $202
 $87
Accrued compensation, benefits and retirement costs - current liabilities (12) (11) 
 
Pensions - long-term liabilities (289) (232) 
 
Net amount recognized $134
 $184
 $202
 $87
Amounts recognized in accumulated other comprehensive loss consist of:        
Net actuarial loss $611
 $478
 $286
 $361
Prior service credit (1) (1) 
 
Net amount recognized $610
 $477
 $286
 $361
In addition to the pension plans in the above table, we also maintain less significant defined benefit pension plans primarily in 14 other countries outside of the U.S. and the U.K. that comprise approximately 3 percent and 54 percent of our pension plan assets and obligations, respectively.respectively at December 31, 2017. These plans are reflected in "Other liabilities and deferred revenue" on our Consolidated Balance Sheets. In 2017, we made $11 million of contributions to these plans.

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The following table presents information regarding total accumulated benefit obligation, PBO's and underfunded pension plans that are included in the preceding table:
  Qualified and Non-Qualified Pension Plans
  U.S. Plans U.K. Plans
In millions 2017 2016 2017 2016
Total accumulated benefit obligation $2,745
 $2,625
 $1,569
 $1,366
Plans with accumulated benefit obligation in excess of plan assets        
Accumulated benefit obligation 323
 304
 
 
Plans with projected benefit obligation in excess of plan assets        
Projected benefit obligation 344
 339
 
 

  Qualified and Non-Qualified Pension Plans
  U.S. Plans U.K. Plans
In millions 2014 2013 2014 2013
Total accumulated benefit obligation $2,539
 $2,231
 $1,402
 $1,309
Plans with accumulated benefit obligation in excess of plan assets        
Accumulated benefit obligation 261
 212
 
 
Plans with projected benefit obligation in excess of plan assets        
Projected benefit obligation 301
 243
 
 

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Components of Net Periodic Pension Cost
The following table presents the net periodic pension cost under our plans:plans for the years ended December 31:
  Qualified and Non-Qualified Pension Plans
  U.S. Plans U.K. Plans
In millions 2017 2016 2015 2017 2016 2015
Service cost $107
 $90
 $80
 $26
 $21
 $27
Interest cost 106
 109
 102
 40
 50
 56
Expected return on plan assets (204) (201) (189) (70) (71) (91)
Amortization of prior service cost 
 
 (1) 
 
 
Recognized net actuarial loss 37
 29
 45
 40
 15
 34
Net periodic pension cost $46
 $27
 $37
 $36
 $15
 $26
  Qualified and Non-Qualified Pension Plans
  U.S. Plans U.K. Plans
In millions 2014 2013 2012 2014 2013 2012
Service cost $66
 $70
 $58
 $24
 $21
 $21
Interest cost 105
 93
 103
 63
 57
 59
Expected return on plan assets (173) (167) (157) (84) (72) (81)
Amortization of prior service (credit) cost (1) (1) (1) 
 
 1
Recognized net actuarial loss 31
 62
 47
 26
 24
 14
Net periodic pension cost $28
 $57
 $50
 $29
 $30
 $14

Other changes in benefit obligations and plan assets recognized in other comprehensive income in 2014, 2013 and 2012for the years ended December 31 were as follows:
In millions 2017 2016 2015
Amortization of prior service credit $
 $
 $1
Recognized net actuarial loss (77) (44) (79)
Incurred actuarial (gain) loss (40) 107
 105
Foreign exchange translation adjustments 30
 (28) (7)
Total recognized in other comprehensive income $(87) $35
 $20
       
Total recognized in net periodic pension cost and other comprehensive income $(5) $77
 $83
In millions 2014 2013 2012
Amortization of prior service (cost) credit $1
 $1
 $(1)
Recognized actuarial loss (57) (86) (61)
Incurred prior service cost 
 
 1
Incurred actuarial (gain) loss 133
 (168) 124
Foreign exchange translation adjustments (18) 10
 16
Total recognized in other comprehensive income $59
 $(243) $79
       
Total recognized in net periodic pension cost and other comprehensive income $116
 $(156) $143

The amount in accumulated other comprehensive loss expected to be recognized as a component of net periodic pension cost during the next fiscal year is a net actuarial loss of $71$62 million.
Assumptions
The table below presents various assumptions used in determining the pension benefit obligationPBO for each year and reflects weighted-average percentages for the various plans as follows:
  Qualified and Non-Qualified Pension Plans
  U.S. Plans U.K. Plans
  2017 2016 2017 2016
Discount rate 3.66% 4.12% 2.55% 2.70%
Compensation increase rate 2.99% 4.87% 3.75% 3.75%


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  Qualified and Non-Qualified Pension Plans
  U.S. Plans U.K. Plans
  2014 2013 2014 2013
Discount rate 4.07% 4.83% 3.80% 4.60%
Compensation increase rate 4.88% 4.91% 4.25% 4.50%

The table below presents various assumptions used in determining the net periodic pension cost and reflects weighted-average percentages for the various plans as follows:
  Qualified and Non-Qualified Pension Plans
  U.S. Plans U.K. Plans
  2017 2016 2015 2017 2016 2015
Discount rate 4.12% 4.47% 4.07% 2.70% 3.95% 3.80%
Expected return on plan assets 7.25% 7.50% 7.50% 4.50% 4.70% 5.80%
Compensation increase rate 4.87% 4.87% 4.88% 3.75% 3.75% 4.25%

  Qualified and Non-Qualified Pension Plans
  U.S. Plans U.K. Plans
  2014 2013 2012 2014 2013 2012
Discount rate 4.83% 3.97% 4.82% 4.60% 4.70% 5.20%
Expected return on plan assets 7.50% 8.00% 8.00% 5.80% 5.80% 6.50%
Compensation increase rate 4.91% 4.91% 4.00% 4.50% 4.00% 4.25%

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Plan Assets
Our investment policies in the U.S. and U.K. provide for the rebalancing of assets to maintain our long-term strategic asset allocation. We are committed to itsthis long-term strategy and do not attempt to time the market given empirical evidence that asset allocation is more critical than individual asset or investment manager selection. Rebalancing of the assets has and continues to occur. The rebalancing is critical to having the proper weighting of assets to achieve the expected total portfolio returns. We believe that our portfolio is highly diversified and does not have any significant exposure to concentration risk. The plan assets for our defined benefit pension plans do not include any of our common stock.
U.S. Plan Assets
For the U.S. qualified pension plans, our assumption for the expected return on assets was 7.57.25 percent in 2014.2017. Projected returns are based primarily on broad, publicly traded equity and fixed income indices and forward-looking estimates of active portfolio and investment management. We expect additional positive returns from this active investment management. Based on the historical returns and forward-looking return expectations in a rising interest rate environment, we have elected to continue usingreduce our assumption of 7.5to 6.50 percent in 2015.2018.
The primary investment objective is to exceed, on a net-of-fee basis, the rate of return of a policy portfolio comprised of the following:
Asset Class Target Range
U.S. equities 9.010.0% +/-5.0%2.0/-8.0%
Non-U.S. equities 3.02.0% +/-3.0%3.0/-2.0%
Global equities 10.08.0% +/-3.0%1.0/-5.0%
Total equities 22.020.0%  
Real estate 7.06.0% +3.0/-7.0%4.0/-6.0%
Private equityequity/venture capital 7.04.0% +3.0/-7.0%6.0/-4.0%
Opportunistic credit2.0%+8.0/-2.0%
Fixed income 64.068.0% +/-5.0%
Total 100.0%  

The fixed income component is structured to represent a custom bond benchmark that will closely hedge the change in the value of our liabilities. This component is structured in such a way that its benchmark covers approximately 95100 percent of the plan's exposure to changes in its discount rate (AA corporate bond yields). In order to achieve a hedge on more than the targeted 6468 percent of plan assets invested in fixed income securities, our Benefits Policy Committee (BPC) permits the fixed income managers, other managers or the custodian/trustee to utilize derivative securities, as part of a liability driven investment strategy to further reduce the plan's risk of declining interest rates. However, all managers hired to manage assets for the trust are prohibited from using leverage unless specifically discussed with the BPC and approved in their guidelines.
U.K. Plan Assets
For the U.K. qualified pension plans, our assumption for the expected return on assets was 5.84.5 percent in 2014.2017. The methodology used to determine the rate of return on pension plan assets in the U.K. was based on establishing an equity-risk premium over current long-term bond yields adjusted based on target asset allocations. Our strategy with respect to our investments in these assets is to be invested in a suitable mixture of return-seeking assets (equities andsuch as equities, real estate)estate and liability matching assets (bonds) with a long-term outlook.such as group annuity insurance contracts and duration matched bonds. Therefore, the risk and return balance of our U.K. asset portfolio should reflect a long-term horizon. To achieve these objectives we have established the following targets:

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Asset Class Target
Global equities 25.523.0%
Real estateestate/private markets 7.55.0%
Re-insurance 5.0%
Private equity7.58.0%
Corporate credit instruments 4.57.5%
Fixed income 50.056.5%
Total 100.0%

As part of our strategy in the U.K. we have not prohibited the use of any financial instrument, including derivatives. As in the U.S. plan, derivatives may be used to better match liability duration and are not used in a speculative way. The 56.5 percent fixed income component is structured in a way that covers approximately 79 percent of the plan's exposure to changes in its discount rate. Based on the above discussion, we have elected to continue using ouran assumption of 5.84.00 percent in 2015.2018.

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Fair Value of U.S. Plan Assets
The fair values of U.S. pension plan assets by asset category were as follows:
  Fair Value Measurements at December 31, 2017
In millions Quoted prices in active
markets for identical assets
(Level 1)
 Significant other
observable inputs
(Level 2)
 Significant
unobservable inputs
(Level 3)
 Total
Equities        
U.S. $102
 $
 $
 $102
Non-U.S. 56
 
 
 56
Fixed income       
Government debt 
 691
 
 691
Corporate debt       
U.S. 
 590
 
 590
Non-U.S. 
 73
 
 73
Asset/mortgaged backed securities 
 78
 
 78
Net cash equivalents(1)
 50
 25
 
 75
Derivative instruments(2)
 
 3
 
 3
Private equity and real estate(3)
 
 
 246
 246
Net plan assets subject to leveling $208
 $1,460
 $246
 $1,914
Pending trade/purchases/sales  
  
  
 (96)
Accruals(4)
  
  
  
 12
Investments measured at net asset value       1,336
Net plan assets  
  
  
 $3,166


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  Fair Value Measurements as of December 31, 2014
In millions Quoted prices in active
markets for identical assets
(Level 1)
 Significant other
observable inputs
(Level 2)
 Significant
unobservable inputs
(Level 3)
 Total
Equities        
U.S. $103
 $297
 $
 $400
Non-U.S. 137
 82
 
 219
Fixed Income       
Government debt 
 886
 
 886
Corporate debt       
U.S. 
 724
 
 724
Non-U.S. 
 87
 
 87
Asset/mortgaged backed securities 
 45
 
 45
Net cash equivalents(1)
 28
 2
 
 30
Derivative instruments(2)
 
 2
 
 2
Private equity and real estate(3)
 
 
 306
 306
Total $268
 $2,125
 $306
 $2,699
Pending trade/purchases/sales  
  
  
 5
Accruals(4)
  
  
  
 9
Total  
  
  
 $2,713

 Fair Value Measurements as of December 31, 2013 Fair Value Measurements at December 31, 2016
In millions 
Quoted prices in active
markets for identical assets
(Level 1)
(5)
 
Significant other
observable inputs
(Level 2)
(5)
 Significant
unobservable inputs
(Level 3)
 Total Quoted prices in active
markets for identical assets
(Level 1)
 Significant other
observable inputs
(Level 2)
 Significant
unobservable inputs
(Level 3)
 Total
Equities  
  
    
  
  
    
U.S. $96
 $387
 $
 $483
 $145
 $
 $
 $145
Non-U.S. 143
 126
 
 269
 125
 
 
 125
Fixed Income       

Fixed income       

Government debt 
 780
 
 780
 
 570
 
 570
Corporate debt       

       

U.S. 
 523
 
 523
 
 497
 
 497
Non-U.S. 
 64
 
 64
 
 84
 
 84
Asset/mortgaged backed securities 
 12
 
 12
 
 58
 
 58
Net cash equivalents(1)
 33
 3
 
 36
 18
 20
 
 38
Derivative instruments (2)
 
 2
 
 2
 
 9
 
 9
Private equity and real estate (3)
 
 
 296
 296
 
 
 212
 212
Total $272
 $1,897
 $296
 $2,465
Net plan assets subject to leveling $288
 $1,238
 $212
 $1,738
Pending trade/purchases/sales  
  
  
 (28)  
  
  
 (83)
Accruals(4)
  
  
  
 8
  
  
  
 12
Total  
  
  
 $2,445
Investments measured at net asset value       1,084
Net plan assets  
  
  
 $2,751

(1)
Cash equivalents include commercial paper, short-term government/agency, mortgage and credit instruments.
(2)
Derivative instruments include interest rate swaps and credit default swaps.
(3)
The instruments in private equity, and real estate and insurance funds, for which quoted market prices are not available, are valued at their estimated fair value as determined by applicable investment managers or by audited financial statementstatements of the funds.
(4)
InterestAccruals include interest or dividends that hadwere not been settled as of the year endedat December 31.
Certain of our assets are valued based on their respective net asset value (NAV) (or its equivalent), as an alternative to estimated fair value due to the absence of readily available market prices. The fair value of each such investment category was as follows:
U.S. and Non-U.S. Equities ($428 million and $511 million at December 31, 2017 and 2016, respectively)- These commingled funds have observable NAVs provided to investors and provide for liquidity either immediately or within a couple of days.
(5)
We revised 2013 balances
Government Debt ($347 million and $178 million at December 31, 2017 and 2016, respectively) - These commingled funds have observable NAVs provided to classify $683 million as Level 2 assets insteadinvestors and provide for liquidity either immediately or within a couple of Level 1.days.

U.S. and Non-U.S. Corporate Debt ($321 million and $265 million at December 31, 2017 and 2016, respectively) - These commingled funds have observable NAVs provided to investors and provide for liquidity either immediately or within a couple of days.
Real Estate ($137 million and $129 million at December 31, 2017 and 2016, respectively) - This asset type represents different types of real estate including development property, industrial property, individual mortgages, office property, property investment companies, and retail property. These funds are valued using NAVs and allow quarterly or more frequent redemptions.
Asset/Mortgage Backed Securities ($103 million and $1 million at December 31, 2017 and 2016, respectively) - This asset type represents investments in fixed- and floating-rate loans. These funds are valued using NAVs and allow quarterly or more frequent redemptions.

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The reconciliation of Level 3 assets was as follows:
  Fair Value Measurements
Using Significant Unobservable Inputs (Level 3)
In millions Private Equity Real Estate Total
Balance at December 31, 2015 $143
 $60
 $203
Actual return on plan assets      
Unrealized gains on assets still held at the reporting date 6
 6
 12
Purchases, sales and settlements, net (1) (2) (3)
Balance at December 31, 2016 148
 64
 212
Actual return on plan assets      
Unrealized gains on assets still held at the reporting date 24
 5
 29
Purchases, sales and settlements, net 8
 (3) 5
Balance at December 31, 2017 $180
 $66
 $246
  Fair Value Measurements as of December 31,
Using Significant Unobservable Inputs (Level 3)
In millions Private Equity Real Estate Total
Balance at December 31, 2012 $156
 $130
 $286
Actual return on plan assets      
Unrealized (losses) gains on assets still held at the reporting date 20
 10
 30
Purchases, sales and settlements, net (23) 3
 (20)
Balance at December 31, 2013 153
 143
 296
Actual return on plan assets      
Unrealized (losses) gains on assets still held at the reporting date 22
 11
 33
Purchases, sales and settlements, net (27) 4
 (23)
Balance at December 31, 2014 $148
 $158
 $306

Fair Value of U.K. Plan Assets
In July 2012, the U.K. pension plan purchased an insurance contract that will guarantee payment of specified pension liabilities. The contract defers payment for 10 years. This and is included in the table below in Level 3 for years ended December 31, 20142017 and 20132016 at a value of $462$477 million and $440$439 million,, respectively.
The fair values of U.K. pension plan assets by asset category were as follows:
  Fair Value Measurements at December 31, 2017
In millions Quoted prices in active
markets for identical assets
(Level 1)
 Significant other
observable inputs
(Level 2)
 Significant
unobservable inputs
(Level 3)
 Total
Equities        
U.S. $
 $63
 $
 $63
Non-U.S. 
 91
 
 91
Fixed income        
Net cash equivalents (1)
 29
 
 
 29
Private equity, real estate and insurance (2)
 
 
 671
 671
Net plan assets subject to leveling $29
 $154
 $671
 $854
Investments measured at net asset value       1,106
Net plan assets  
  
  
 $1,960
  Fair Value Measurements as of December 31, 2014
In millions Quoted prices in active
markets for identical assets
(Level 1)
 Significant other
observable inputs
(Level 2)
 Significant
unobservable inputs
(Level 3)
 Total
Equities        
U.S. $
 $153
 $
 $153
Non-U.S. 
 399
 
 399
Fixed Income        
Corporate debt        
U.S. 
 321
 
 321
Non-U.S. 
 158
 
 158
Net cash equivalents(1)
 24
 
 
 24
Re-insurance 
 65
 
 65
Private equity, real estate & insurance(2)
 
 
 604
 604
Total $24
 $1,096
 $604
 $1,724

  Fair Value Measurements as of December 31, 2013
In millions Quoted prices in active
markets for identical assets
(Level 1)
 Significant other
observable inputs
(Level 2)
 Significant
unobservable inputs
(Level 3)
 Total
Equities        
U.S. $
 $270
 $
 $270
Non-U.S. 
 328
 
 328
Fixed Income       
Government debt 
 120
 
 120
Corporate debt non-U.S. 
 138
 
 138
Net cash equivalents(1)
 13
 
 
 13
Derivative instruments(3)
 
 24
 
 24
Re-insurance 
 66
 
 66
Private equity, real estate & insurance(2)
 
 
 557
 557
Total $13
 $946
 $557
 $1,516
  Fair Value Measurements at December 31, 2016
In millions Quoted prices in active
markets for identical assets
(Level 1)
 Significant other
observable inputs
(Level 2)
 Significant
unobservable inputs
(Level 3)
 Total
Equities        
U.S. $
 $174
 $
 $174
Non-U.S. 
 193
 
 193
Fixed income       
Net cash equivalents (1)
 24
 
 
 24
Private equity, real estate and insurance (2)
 
 
 613
 613
Net plan assets subject to leveling $24
 $367
 $613
 $1,004
Investments measured at net asset value       749
Net plan assets  
  
  
 $1,753

(1) 
Cash equivalents include commercial paper, short-term government/agency, mortgage and credit instruments.

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(2) 
The instruments in private equity, and real estate and insurance funds, for which quoted market prices are not available, are valued at their estimated fair value as determined by applicable investment managers or by audited financial statement of the funds.

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Certain of our assets are valued based on their respective NAV (or its equivalent), as an alternative to estimated fair value due to the absence of readily available market prices. The fair value of each such investment category was as follows:
(3)
Derivative instruments consist
U.S. and Non-U.S. Corporate Debt ($822 million and $655 million at December 31, 2017 and 2016, respectively) - These commingled funds have observable NAVs provided to investors and provide for liquidity either immediately or within a couple of interest rate swaps.days.

U.S. and Non-U.S. Equities ($144 million and zero dollars at December 31, 2017 and 2016, respectively)- These commingled funds have observable NAVs provided to investors and provide for liquidity either immediately or within a couple of days.
Re-insurance ($86 million and $56 million at December 31, 2017 and 2016, respectively) - This commingled fund has a NAV that is determined on a monthly basis and the investment may be sold at that value.
Managed Futures Funds ($54 million and $38 million at December 31, 2017 and 2016, respectively) - These commingled funds invest in commodities, fixed income and equity securities. They have observable NAVs provided to investors and provide for liquidity either immediately or within a couple of days.
The reconciliation of Level 3 assets was as follows:
  Fair Value Measurements
Using Significant Unobservable Inputs (Level 3)
In millions Insurance Real Estate Private Equity Total
Balance at December 31, 2015 $445
 $57
 $99
 $601
Actual return on plan assets        
Unrealized (losses) gains on assets still held at the reporting date (6) (7) 15
 2
Purchases, sales and settlements, net 
 7
 3
 10
Balance at December 31, 2016 439
 57
 117
 613
Actual return on plan assets        
Unrealized gains on assets still held at the reporting date 38
 10
 28
 76
Purchases, sales and settlements, net 
 (8) (10) (18)
Balance at December 31, 2017 $477
 $59
 $135
 $671
  Fair Value Measurements as of December 31,
Using Significant Unobservable Inputs (Level 3)
In millions Insurance Real Estate Private Equity Total
Balance at December 31, 2012 $424
 $34
 $28
 $486
Actual return on plan assets        
Unrealized (losses) gains on assets still held at the reporting date 29
 2
 5
 36
Purchases, sales and settlements, net (13) 33
 15
 35
Balance at December 31, 2013 440
 69
 48
 557
Actual return on plan assets        
Unrealized (losses) gains on assets still held at the reporting date 42
 (3) 11
 50
Purchases, sales and settlements, net (20) (5) 22
 (3)
Balance at December 31, 2014 $462
 $61
 $81
 $604

Level 3 Assets
The investments in an insurance contract, venture capital, private equity, opportunistic credit and real estate funds, for which quoted market prices are not available, are valued at their estimated fair value as determined by applicable investment managers or by quarterly financial statements of the funds. These financial statements are audited at least annually. In conjunction with our investment consultant, we monitor the fair value of the insurance contract as periodically reported by our insurer and their counterparty risk. The fair value of all real estate properties, held in the partnerships, are valued at least once per year by an independent professional real estate valuation firm. Fair value generally represents the fund's proportionate share of the net assets of the investment partnerships as reported by the general partners of the underlying partnerships. Some securities with no readily available market are initially valued at cost, utilizing independent professional valuation firms as well as market comparisons with subsequent adjustments to values which reflect either the basis of meaningful third-party transactions in the private market or the fair value deemed appropriate by the general partners of the underlying investment partnerships. In such instances, consideration is also given to the financial condition and operating results of the issuer, the amount that the investment partnerships can reasonably expect to realize upon the sale of the securities and any other factors deemed relevant. The estimated fair values are subject to uncertainty and therefore may differ from the values that would have been used had a ready market for such investments existed and such differences could be material.

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Estimated Future Contributions and Benefit Payments
We plan to contribute approximately $175$38 million to our defined benefit pension plans in 2015.2018. The table below presents expected future benefit payments under our pension plans:
  Qualified and Non-Qualified Pension Plans
In millions 2018 2019 2020 2021 2022 2023 - 2027
Expected benefit payments $239
 $237
 $242
 $248
 $253
 $1,320
  Qualified and Non-Qualified Pension Plans
In millions 2015 2016 2017 2018 2019 2020 - 2024
Expected benefit payments $231
 $232
 $238
 $243
 $247
 $1,283

Other Pension Plans
We also sponsor defined contribution plans for certain hourly and salaried employees. Our contributions to these plans were $73$84 million, $66$68 million and $74 million for the years ended December 31, 2014, 20132017, 2016 and 2012.2015.
Other Postretirement Benefits
Our other postretirement benefit plans provide various health care and life insurance benefits to eligible employees, who retire and satisfy certain age and service requirements, and their dependents. The plans are contributory and contain cost-sharing features such as caps, deductibles, coinsurance and spousal contributions. Employer contributions are limited by formulas in each plan. Retiree contributions for health care benefits are adjusted annually, and we reserve the right to change benefits covered under these plans. There were no plan assets for the postretirement benefit plans as our policy is to fund benefits and expenses for these plans as claims and premiums are incurred.

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Obligations and Funded Status
Benefit obligation balances presented below reflect the accumulated postretirement benefit obligations (APBO) for our other postretirement benefit plans. The changes in the benefit obligations, the funded status of the plans and the amounts recognized in our Consolidated Balance Sheets for our significant other postretirement benefit plans were as follows:
In millions 2017 2016
Change in benefit obligation    
Benefit obligation at the beginning of the year $364
 $385
Interest cost 14
 16
Plan participants' contributions 24
 14
Actuarial (gain) loss (35) 9
Benefits paid directly by employer (49) (60)
Benefit obligation at end of year $318
 $364
     
Funded status at end of year $(318) $(364)
     
Amounts recognized in consolidated balance sheets    
Accrued compensation, benefits and retirement costs - current liabilities $(29) $(35)
Postretirement benefits other than pensions-long-term liabilities (289) (329)
Net amount recognized $(318) $(364)
     
Amounts recognized in accumulated other comprehensive loss:    
Net actuarial loss $27
 $69
Prior service credit (4) (5)
Net amount recognized $23
 $64

In millions 2014 2013
Change in benefit obligation    
Benefit obligation at the beginning of the year $398
 $478
Interest cost 17
 17
Plan participants' contributions 10
 10
Actuarial loss (gain) 38
 (49)
Benefits paid directly by employer (55) (58)
Benefit obligation at end of year $408
 $398
     
Funded status at end of year $(408) $(398)
     
Amounts recognized in consolidated balance sheets    
Accrued compensation, benefits and retirement costs - current liabilities $(39) $(42)
Postretirement benefits other than pensions-long-term liabilities (369) (356)
Net amount recognized $(408) $(398)
     
Amounts recognized in accumulated other comprehensive loss consist of:    
Net actuarial loss $65
 $27
Prior service credit (5) (5)
Net amount recognized $60
 $22
In addition to the other postretirement plans in the above table, we also maintain less significant postretirement plans in four other countries outside the U.S. that comprise less than 7approximately 6 percent and 5 percent of our postretirement obligations.obligations at December 31, 2017 and 2016, respectively. These plans are reflected in "Other liabilities and deferred revenue" in our Consolidated Balance Sheets.

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Components of Net Periodic Other Postretirement Benefits Cost
The following table presents the net periodic other postretirement benefits cost under our plans:
  Years ended December 31,
In millions 2017 2016 2015
Interest cost $14
 $16
 $15
Recognized net actuarial loss 6
 5
 5
Net periodic other postretirement benefit cost $20
 $21
 $20
In millions 2014 2013 2012
Interest cost $17
 $17
 $21
Amortization of prior service credit 
 
 (5)
Recognized net actuarial loss 
 6
 3
Other 
 
 1
Net periodic other postretirement benefit cost $17
 $23
 $20

Other changes in benefit obligations recognized in other comprehensive income in 2014, 2013 and 2012for the years ended December 31 were as follows:
  Years ended December 31,
In millions 2017 2016 2015
Recognized net actuarial loss $(6) $(6) $(5)
Incurred actuarial (gain) loss (35) 9
 6
Total recognized in other comprehensive income $(41) $3
 $1
       
Total recognized in net periodic other postretirement benefit cost and other comprehensive income $(21) $24
 $21

In millions 2014 2013 2012
Amortization of prior service credit $
 $
 $5
Recognized actuarial loss 
 (6) (3)
Incurred actuarial (gain) loss 38
 (49) 20
Incurred prior service credit 
 
 (4)
Other 
 
 (1)
Total recognized in other comprehensive income $38
 $(55) $17
       
Total recognized in net periodic other postretirement benefit cost and other comprehensive income $55
 $(32) $37

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The amount in accumulated other comprehensive loss expected to be recognized as a component of net periodic other postretirement benefit cost during the next fiscal year is $5 million.approximately zero.
Assumptions
The table below presents assumptions used in determining the other postretirement benefit obligation for each year and reflects weighted-average percentages for our other postretirement plans as follows:
  2017 2016
Discount rate 3.55% 4.00%
  2014 2013
Discount rate 3.90% 4.55%

The table below presents assumptions used in determining the net periodic other postretirement benefits cost and reflects weighted-average percentages for the various plans as follows:
  2017 2016 2015
Discount rate 4.00% 4.35% 3.90%

  2014 2013 2012
Discount rate 4.55% 3.70% 4.70%
Our consolidated other postretirement benefit obligation is determined by application of the terms of health care and life insurance plans, together with relevant actuarial assumptions and health care cost trend rates. For measurement purposes, a 7.00an 8.00 percent annual rate of increase in the per capita cost of covered health care benefits was assumed in 2014.2017. The rate is assumed to decrease on a linear basis to 5.00 percent through 20192026 and remain at that level thereafter. An increase in the health care cost trends of 1 percent would increase our APBO by $22$16 million as of at December 31, 20142017 and the net periodic other postretirement benefit cost for 20152018 by $1 million.$1 million. A decrease in the health care cost trends of 1 percent would decrease our APBO by $18$14 million as of at December 31, 20142017 and the net periodic other postretirement benefit cost for 20152018 by $1 million.$1 million.
Estimated Benefit Payments
The table below presents expected benefit payments under our other postretirement benefit plans:
In millions 2018 2019 2020 2021 2022 2023 - 2027
Expected benefit payments $29
 $28
 $27
 $26
 $25
 $108


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In millions 2015 2016 2017 2018 2019 2020 - 2024
Expected benefit payments $40
 $38
 $36
 $33
 $31
 $134

NOTE 12.11. OTHER LIABILITIES AND DEFERRED REVENUE
Other liabilities and deferred revenue included the following:
 December 31,
In millions2017 2016
Deferred revenue$604
 $589
Accrued warranty466
 336
Deferred income taxes391
 76
Income tax payable(1)
281
 
Accrued compensation151
 151
Other long-term liabilities134
 137
Other liabilities and deferred revenue$2,027
 $1,289

(1) Long-term income taxes payable are the result of Tax Legislation and relate to the non-current portion of
  December 31,
In millions 2014 2013
Deferred revenue $513
 $414
Accrued warranty 312
 275
Accrued compensation 215
 184
Other long-term liabilities 375
 357
Other liabilities and deferred revenue $1,415
 $1,230
the one-time transition tax on accumulated foreign earnings. See Note 2, "INCOME TAXES," to our

Consolidated Financial Statements for additional information.
NOTE 13.12. COMMITMENTS AND CONTINGENCIES
We are subject to numerous lawsuits and claims arising out of the ordinary course of our business, including actions related to product liability; personal injury; the use and performance of our products; warranty matters; product recalls; patent, trademark or other intellectual property infringement; contractual liability; the conduct of our business; tax reporting in foreign jurisdictions; distributor termination; workplace safety; and environmental matters. We also have been identified as a potentially responsible party at multiple waste disposal sites under U.S. federal and related state environmental statutes and regulations and may have joint and several liability for any investigation and remediation costs incurred with respect to such sites. We have denied liability with respect to many of these lawsuits, claims and proceedings and are vigorously defending such lawsuits, claims and proceedings. We carry various forms of commercial, property and casualty, product liability and other forms of insurance; however, such insurance may not be applicable or adequate to cover the costs associated with a judgment against us with respect to these lawsuits, claims and proceedings. We do not believe that these lawsuits are material individually or in the aggregate. While we believe we have also established adequate accruals pursuant to GAAP for our expected future liability with respect to pending lawsuits, claims and proceedings, where the nature and extent of any such liability can be reasonably estimated based upon then presently available information, there can be no assurance that the final resolution of any existing or future lawsuits,

97


claims or proceedings will not have a material adverse effect on our business, results of operations, financial condition or cash flows.
We conduct significant business operations in Brazil that are subject to the Brazilian federal, state and local labor, social security, tax and customs laws. While we believe we comply with such laws, they are complex, subject to varying interpretations and we are often engaged in litigation regarding the application of these laws to particular circumstances.
Loss Contingencies
Third Party Aftertreatment
Engine systems sold in the U.S. Distributor Commitmentsmust be certified to comply with the Environmental Protection Agency (EPA) and California Air Resources Board (CARB) emission standards. EPA and CARB regulations require that in-use testing be performed on vehicles by the emission certificate holder and reported to the EPA and CARB in order to ensure ongoing compliance with these emission standards. We are the holder of this emission certificate for our engines, including engines installed in certain vehicles with one customer for which we did not also manufacture or sell the emission aftertreatment system. During 2015, a quality issue in certain of these third party aftertreatment systems caused some of our inter-related engines to fail in-use emission testing. In the fourth quarter of 2015, the vehicle manufacturer made a request that we assist in the design and bear the financial cost of a field campaign (Campaign) to address the technical issue purportedly causing some vehicles to fail the in-use testing.
Our distribution agreementsAs the certificate holder, we recorded a charge of $60 million in 2015 for the expected cost of the proposed voluntary Campaign. The Campaign design was finalized with independentour original equipment manufacturer (OEM) customer, reviewed with the EPA and partially-owned distributors generallysubmitted for final approval in 2016. We concluded based upon additional in-use emission testing performed in 2016 that the Campaign should be expanded to include a larger population of vehicles manufactured by this one OEM. We recorded additional charges of $138 million in 2016 to reflect the estimated cost of our overall participation in the Campaign.

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In late 2016, litigation arose with our OEM customer regarding cost allocation for this Campaign. In January 2018, a settlement was reached with our customer to fully resolve this matter, which resulted in an incremental charge of $5 million recorded in the fourth quarter of 2017.
These charges are reflected in a separate line item on our Consolidated Statements of Income.
Engine System
During 2017, the CARB and U.S. EPA selected certain of our pre-2013 model year engine systems for additional emissions testing. Some of these engine systems failed CARB and EPA's tests as a result of degradation of an aftertreatment component. We have not been issued an official notice from the CARB or EPA regarding these particular engine systems. We are working with the agencies and will meet with them beginning in the first quarter of 2018, to develop a resolution of these matters. We are developing and testing a variety of solutions to address the technical issues, which could include a combination of calibration changes, service practices and hardware changes. We recorded a charge of $29 million to "cost of sales" in our Consolidated Statements of Income in the third quarter of 2017 for the expected cost of field campaigns to repair some of these engine systems.
In addition, we continue to evaluate other engine systems for model years 2010 through 2015 that could potentially be subject to similar aftertreatment component degradation issues.  At the close of 2017, we had not yet determined the impact to other model years or engine systems or the percentage of the engine system populations that could be affected.
Since there are many unresolved variables with respect to these degradation issues, we are not yet able to estimate the financial impact of these matters. It is possible that they could have a renewable three-year termmaterial impact on our results of operations in the periods in which these degradation issues are resolved and are restricteda solution is determined.
We do not currently expect any fines or penalties from the EPA or CARB related to specified territories. Our distributors develop and maintain a network of dealers with which we have no direct relationship. Our distributors are permitted to sell other, noncompetitive products only with our consent. We license all of our distributors to use our name and logo in connection with the sale and service of our products, with no right to assign or sublicense the trademarks, except to authorized dealers, without our consent. Products are sold to the distributors at standard domestic or international distributor net prices, as applicable. Net prices are wholesale prices we establish to permit our distributors an adequate margin on their sales. Subject to local laws, we can generally refuse to renew these agreements upon expiration or terminate them upon written notice for inadequate sales, change in principal ownership and certain other reasons. Distributors also have the right to terminate the agreements upon 60-day notice without cause, or 30-day notice for cause. Upon termination or failure to renew, we are required to purchase the distributor’s current inventory, signage and special tools and may, at our option purchase other assets of the distributor, but are under no obligation to do so.this matter.
Other Guarantees and Commitments
In addition to the matters discussed above, from time to timePeriodically, we enter into other guarantee arrangements, including guarantees of non-U.S. distributor financings, residual value guarantees on equipment under operating leases and other miscellaneous guarantees of joint ventures or third-party obligations. As ofAt December 31, 2014,2017, the maximum potential loss related to these other guarantees was $5$51 million.
We have arrangements with certain suppliers that require us to purchase minimum volumes or be subject to monetary penalties. The penalty amounts are less than our purchase commitments and essentially allow the supplier to recover their tooling costs in most instances. As ofAt December 31, 2014,2017, if we were to stop purchasing from each of these suppliers, the aggregate amount of the penalty would be approximately $79$84 million, of which $41$23 million relates to a contract with an engine partsa components supplier that extends to 2016. These2018 and $19 million relates to a contract with a power systems supplier that extends to 2019. Most of these arrangements enable us to secure critical components. We do not currently anticipate paying any penalties under these contracts.
During the second quarter of 2014, we began enteringWe enter into physical forward contracts with suppliers of platinum, palladium and palladiumcopper to purchase minimum volumes of the commodities at contractually stated prices for various periods, not to exceed two years. As ofAt December 31, 2014,2017, the total commitments under these contracts were $96$17 million. These arrangements enable us to fix the prices of these commodities, which otherwise are subject to market volatility.
We have guarantees with certain customers that require us to satisfactorily honor contractual or regulatory obligations, or compensate for monetary losses related to nonperformance. These performance bonds and other performance-related guarantees were $76$102 million and $66 million as ofat December 31, 2014 and 2013, respectively.2017.
Indemnifications
Periodically, we enter into various contractual arrangements where we agree to indemnify a third-party against certain types of losses. Common types of indemnities include:
product liability and license, patent or trademark indemnifications;
asset sale agreements where we agree to indemnify the purchaser against future environmental exposures related to the asset sold; and
any contractual agreement where we agree to indemnify the counter-party for losses suffered as a result of a misrepresentation in the contract.
product liability and license, patent or trademark indemnifications;
asset sale agreements where we agree to indemnify the purchaser against future environmental exposures related to the asset sold; and
any contractual agreement where we agree to indemnify the counterparty for losses suffered as a result of a misrepresentation in the contract.
We regularly evaluate the probability of having to incur costs associated with these indemnities and accrue for expected losses that are probable. Because the indemnifications are not related to specified known liabilities and due to their uncertain nature, we are unable to estimate the maximum amount of the potential loss associated with these indemnifications.


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Leases
We lease certain manufacturing equipment, facilities, warehouses, office space and equipment, aircraft and automobiles for varying periods under lease agreements. Most of the leases are non-cancelable operating leases with fixed rental payments, expire over the next 10 years and contain renewal provisions. Rent expense under these leases was as follows:
  Years ended December 31,
In millions 2017 2016 2015
Rent expense $215
 $210
 $205
  Years ended December 31,
In millions 2014 2013 2012
Rent expense $195
 $186
 $176

The following is a summary of the leased property under capital leases by major classes:
  December 31,
In millions 2017 2016
Building $158
 $113
Equipment 94
 109
Land 16
 15
Less: Accumulated depreciation (137) (133)
Total $131
 $104
  December 31,
In millions 2014 2013
Building $105
 $103
Equipment 98
 97
Other 15
 16
Less: Accumulated depreciation (105) (96)
Total $113
 $120

Following is a summary of the future minimum lease payments due under capital and operating leases including leases in our rental business, with terms of more than one year at December 31, 2014,2017, together with the net present value of the minimum payments due under capital leases:
In millions Capital Leases Operating Leases
2018 $30
 $140
2019 26
 108
2020 14
 80
2021 9
 60
2022 9
 44
After 2022 75
 70
Total minimum lease payments $163
 $502
Interest (42)  
Present value of net minimum lease payments $121
  

In millions Capital Leases Operating Leases
2015 $23
 $152
2016 22
 119
2017 13
 104
2018 11
 81
2019 8
 71
After 2019 41
 105
Total minimum lease payments $118
 $632
Interest (31)  
Present value of net minimum lease payments $87
  
In addition, we have subleased certain facilities under operating leases to third parties. The future minimum lease payments due from lessees under those arrangements are less than $2 million per year for the years 2015 through 2018.
NOTE 14.13. SHAREHOLDERS' EQUITY
Preferred and Preference Stock
We are authorized to issue one million shares each of zero par value preferred and preference stock with preferred shares being senior to preference shares. We can determine the number of shares of each series, and the rights, preferences and limitations of each series. At December 31, 2014,2017, there was no preferred or preference stock outstanding.


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Common Stock
Changes in shares of common stock, treasury stock and common stock held in trust for employee benefit plans arewere as follows:
In millions Common
Stock
 Treasury
Stock
 Common Stock
Held in Trust
Balance at December 31, 2014 222.3
 40.1
 1.1
Shares acquired 
 7.2
 
Shares issued 0.1
 (0.1) (0.2)
Balance at December 31, 2015 222.4
 47.2
 0.9
Shares acquired 
 7.3
 
Shares issued 
 (0.3) (0.2)
Balance at December 31, 2016 222.4
 54.2
 0.7
Shares acquired 
 2.9
 
Shares issued 
 (0.4) (0.2)
Balance at December 31, 2017 222.4
 56.7
 0.5
In millions Common
Stock
 Treasury
Stock
 Common Stock
Held in Trust
Balance at December 31, 2011 222.2
 30.2
 1.8
Shares acquired 
 2.6
 
Shares issued 0.4
 (0.2) (0.3)
Other shareholder transactions (0.2) 
 
Balance at December 31, 2012 222.4
 32.6
 1.5
Shares acquired 
 3.3
 
Shares issued 0.1
 (0.3) (0.2)
Other shareholder transactions (0.2) 
 
Balance at December 31, 2013 222.3
 35.6
 1.3
Shares acquired 
 4.8
 
Shares issued 0.1
 (0.3) (0.2)
Other shareholder transactions (0.1) 
 
Balance at December 31, 2014 222.3
 40.1
 1.1

Treasury Stock
Shares of common stock repurchased by us are recorded at cost as treasury stock and result in a reduction of shareholders' equity in our Consolidated Balance Sheets. Treasury shares may be reissued as part of our stock-based compensation programs. When shares are reissued, we use the weighted-average cost method for determining cost. The gains between the cost of the shares and the issuance price are added to additional paid-in-capital. The losses are deducted from additional paid-in capital to the extent of the gains. Thereafter, the losses are deducted from retained earnings. Treasury stock activity for the three-year period ended December 31, 2014,2017, consisting of shares issued and repurchased is presented in our Consolidated Statements of Changes in Equity.
In December 2012, the Board of Directors authorized the acquisition of up to $1 billion of our common stock upon completion of the 2011 repurchase program. In 2014, quarterly purchases under the repurchase program were as follows:
In millions (except per share amounts)
For each quarter ended
 2014 Shares Purchased 
Average Cost
Per Share
 
Total Cost of
Repurchases
 
Remaining
Authorized
Capacity (1)
December 2012, $1 billion repurchase program        
March 30 3.0
 $139.70
 $419
 $425
June 29 0.1
 148.11
 11
 415
September 28 1.2
 139.76
 175
 240
December 31 0.5
 132.66
 65
 174
Total 4.8
 139.12
 $670
 174

(1)The remaining authorized capacity is calculated based on the cost to purchase the shares, but excludes commission expenses according to the Board of Directors authorization.
In July 2014,2016, our Board of Directors authorized the acquisition of up to $1 billion of additional common stock upon the completion of the 20122015 repurchase plan. In 2017, we made the following purchases under the 2015 purchase programs:
In millions (except per share amounts)
For each quarter ended
 2017 Shares Purchased 
Average Cost
Per Share
 
Total Cost of
Repurchases
 
Remaining
Authorized
Capacity (1)
April 2 0.3
 $151.32
 $51
 $445
July 2 0.5
 153.95
 69
 376
October 1 1.7
 155.05
 271
 105
December 31 0.4
 166.00
 60
 46
Total 2.9
 $155.81
 $451
 


(1)The remaining authorized capacity under the 2015 plan was calculated based on the cost to purchase the shares but excludes commission expenses in accordance with the authorized plan.
In 2016, we entered into an accelerated share repurchase agreement with a third party financial institution to repurchase $500 million of our common stock under our previously announced share repurchase plans and received 4.7 million shares at an average purchase price of $105.50 per share.
We repurchased $451 million, $778 million and $900 million of our common stock in the years ended December 31, 2017, 2016 and 2015 respectively.
Quarterly Dividends
Total dividends paid to common shareholders in 2014, 20132017, 2016 and 20122015 were $512$701 million, $420$676 million and $340$622 million, respectively. Declaration and payment of dividends in the future depends upon our income and liquidity position, among other factors, and is subject to declaration by our Board of Directors, who meet quarterly to consider our dividend payment. We expect to fund dividend payments with cash from operations.


100102




In July 2014,2017, the Board of Directors authorized an increase to our quarterly dividend of 5.4 percent from $1.025 per share to $1.08. In July 2016, the Board of Directors authorized a dividend increase of 25 percent from $0.625 per share to $0.78 per share on a quarterly basis effective in the third quarter. In July 2013, the Board of Directors authorized a 255.1 percent increase to our quarterly cash dividend on our common stock from $0.50$0.975 per share to $0.625$1.025 per share. In July 2012,2015, the Board of Directors approved a 25 percent increase to our quarterly cash dividend on our common stock from $0.40$0.780 per share to $0.50$0.975 per share. Cash dividends per share paid to common shareholders for the last three years were as follows:
  Quarterly Dividends
  2017 2016 2015
First quarter $1.025
 $0.975
 $0.78
Second quarter 1.025
 0.975
 0.78
Third quarter 1.08
 1.025
 0.975
Fourth quarter 1.08
 1.025
 0.975
Total $4.21
 $4.00
 $3.51
  Quarterly Dividends
  2014 2013 2012
First quarter $0.625
 $0.50
 $0.40
Second quarter 0.625
 0.50
 0.40
Third quarter 0.78
 0.625
 0.50
Fourth quarter 0.78
 0.625
 0.50
Total $2.81
 $2.25
 $1.80

Employee Benefits Trust
In 1997, we established the Employee Benefits Trust (EBT) funded with common stock for use in meeting our future obligations under employee benefit and compensation plans. The primary sources of cash for the EBT are dividends received on unallocated shares of our common stock held by the EBT. The EBT may be used to fund matching contributions to employee accounts in the 401(k) Retirement Savings Plan (RSP) made in proportion to employee contributions under the terms of the RSP. In addition, we may direct the trustee to sell shares of the EBT on the open market to fund other non-qualified employee benefit plans. Matching contributions charged to income for the years ended December 31, 2014, 20132017, 2016 and 20122015 were $24$17 million, $24$23 million and $27$25 million, respectively.




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NOTE 15.14. ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)LOSS
Following are the changes in accumulated other comprehensive income (loss) by component:
In millions 
Change in
pensions and
other
postretirement
defined benefit
plans
 
Foreign
currency
translation
adjustment
 
Unrealized gain
(loss) on
marketable
securities
 
Unrealized gain
(loss) on
derivatives
 
Total
attributable to
Cummins Inc.
 
Noncontrolling
interests
 Total
Balance at December 31, 2014 $(669) $(406) $(1) $(2) $(1,078)  
  
Other comprehensive income before reclassifications  
  
  
  
  
  
  
Before tax amount (81) (366) 
 17
 (430) $(15) $(445)
Tax (expense) benefit 35
 76
 
 (1) 110
 
 110
After tax amount (46) (290) 
 16
 (320) (15) (335)
Amounts reclassified from accumulated other comprehensive income(1)(2)
 61
 
 (1) (10) 50
 
 50
Net current period other comprehensive income (loss) 15
 (290) (1) 6
 (270) $(15) $(285)
Balance at December 31, 2015 $(654) $(696) $(2) $4
 $(1,348)  
  
Other comprehensive income before reclassifications  
  
  
  
  
  
  
Before tax amount (111) (469) 1
 (38) (617) $(17) $(634)
Tax benefit (expense) 44
 38
 
 6
 88
 
 88
After tax amount (67) (431) 1
 (32) (529) (17) (546)
Amounts reclassified from accumulated other comprehensive income(1)(2)
 36
 
 
 20
 56
 
 56
Net current period other comprehensive income (loss) (31) (431) 1
 (12) (473) $(17) $(490)
Balance at December 31, 2016 $(685) $(1,127) $(1) $(8) $(1,821)  
  
Other comprehensive income before reclassifications  
  
  
  
  
  
  
Before tax amount 73
 335
 2
 (12) 398
 $20
 $418
Tax benefit (expense) (36) (20) 
 5
 (51) 
 (51)
After tax amount 37
 315
 2
 (7) 347
 20
 367
Amounts reclassified from accumulated other comprehensive income(1)(2)
 62
 
 
 12
 74
 
 74
Impact of tax legislation (Note 2) (103)
(3) 

 
 
 (103) 
 (103)
Net current period other comprehensive income (loss) (4) 315
 2
 5
 318
 $20
 $338
Balance at December 31, 2017 $(689) $(812) $1
 $(3) $(1,503)  
  
In millions 
Change in
pensions and
other
postretirement
defined benefit
plans
 
Foreign
currency
translation
adjustment
 
Unrealized gain
(loss) on
marketable
securities
 
Unrealized gain
(loss) on
derivatives
 
Total
attributable to
Cummins Inc.
 
Noncontrolling
interests
 Total
Balance at December 31, 2011 $(724) $(198) $4
 $(20) $(938)  
  
Other comprehensive income before reclassifications  
  
  
  
  
  
  
Before tax amount (164) 51
 6
 16
 (91) $(8) $(99)
Tax (expense) benefit 54
 (14) (2) (4) 34
 
 34
After tax amount (110) 37
 4
 12
 (57) (8) (65)
Amounts reclassified from accumulated other comprehensive income(1)
 40
 
 (3) 8
 45
 1
 46
Net current period other comprehensive income (loss) (70) 37
 1
 20
 (12) $(7) $(19)
Balance at December 31, 2012 $(794) $(161) $5
 $
 $(950)  
  
Other comprehensive income before reclassifications  
  
  
  
  
  
  
Before tax amount 206
 (31) 16
 (6) 185
 $(28) $157
Tax (expense) benefit (87) 13
 (9) 3
 (80) 
 (80)
After tax amount 119
 (18) 7
 (3) 105
 (28) 77
Amounts reclassified from accumulated other comprehensive income(1)(2)
 64
 
 (5) 2
 61
 (1) 60
Net current period other comprehensive income (loss) 183
 (18) 2
 (1) 166
 $(29) $137
Balance at December 31, 2013 $(611) $(179) $7
 $(1) $(784)  
  
Other comprehensive income before reclassifications  
  
  
  
  
  
  
Before tax amount (196) (241) 2
 2
 (433) $(7) $(440)
Tax (expense) benefit 92
 14
 (1) (1) 104
 
 104
After tax amount (104) (227) 1
 1
 (329) (7) (336)
Amounts reclassified from accumulated other comprehensive income(1)(2)
 46
 
 (9) (2) 35
 (4) 31
Net current period other comprehensive income (loss) (58) (227) (8) (1) (294) $(11) $(305)
Balance at December 31, 2014 $(669) $(406) $(1) $(2) $(1,078)  
  

(1)Amounts are net of tax.  
(2)See reclassifications out of accumulated other comprehensive income (loss) disclosure below for further details.


102


Following are the items reclassified Reclassifications out of accumulated other comprehensive income (loss) and the related tax effects:
In millions Years ended December 31,  
(Gain)/Loss Components 2014 2013 Statement of Income Location
Realized (gain) loss on marketable securities $(14) $(13) Other income (expense), net
Income tax expense 1
 7
 Income tax expense
Net realized (gain) loss on marketable securities $(13) $(6)  
       
Realized (gain) loss on derivatives  
    
Foreign currency forward contracts $(5) $2
 Net sales
Commodity swap contracts 2
 1
 Cost of sales
Total before taxes (3) 3
  
Income tax expense (benefit) 1
 (1) Income tax expense
Net realized (gain) loss on derivatives $(2) $2
  
       
Change in pension and other postretirement defined benefit plans  
    
Recognized actuarial loss $63
 $95
 
(1) 
Total before taxes 63
 95
  
Income tax expense (benefit) (17) (31) Income tax expense
Net change in pensions and other postretirement defined benefit plans $46
 $64
  
       
Total reclassifications for the period $31
 $60
  

(1) These accumulated other comprehensive income componentseffects are included in the computation of net periodic pension cost (see Note 11, ''PENSION AND OTHER POSTRETIREMENT BENEFITS'').immaterial for separate disclosure.  

(3) Impact of tax legislation includes $(126) million related to one-time cumulative adjustments and $23 million related to 2017. See Note 2, "INCOME TAXES," to our Consolidated Financial Statements for additional information.


104



NOTE 16.15. STOCK INCENTIVE AND STOCK OPTION PLANS
In May 2012, our shareholdersof 2017 the Board of Directors approved an amendment to the 2012 Omnibus Planshareholder approved stock incentive plan (the Plan), which replaced and succeeded to increase the 2003 Stock Incentive Plan.number of available shares. The revised Plan allows for the granting of equity awards covering up to 3.58.5 million total shares of equity awards to executives, employees and non-employee directors. Awards available for grant under the Plan include, but are not limited to, stock options, stock appreciation rights, performance shares and other stock awards. Shares issued under the Plan may be newly issued shares or reissued treasury shares.
Stock options are generally granted with a strike price equal to the fair market value of the stock on the date of grant and a life of 10 years. Stock options granted in 2014 have a three-year vesting period whereas stock options granted prior to 2014 had a two-yearthree-year vesting period. The strike price may be higher than the fair value of the stock on the date of the grant, but cannot be lower. Compensation expense is recorded on a straight-line basis over the vesting period beginning on the grant date. The compensation expense is based on the fair value of each option grant using the Black-Scholes option pricing model. Options granted to employees eligible for retirement under our retirement plan are fully expensed as ofat the grant date.
Stock options are also awarded through the Key Employee Stock Investment Plan (KESIP) which allows certain employees, other than officers, to purchase shares of common stock on an installment basis up to an established credit limit. For every even block of 100 KESIP shares purchased by the employee 50 stock options are granted. The options granted through the KESIP program are considered awards under the Plan and are vested immediately. Compensation expense for stock options granted through the KESIP program is recorded based on the fair value of each option grant using the Black-Scholes option pricing model.
Performance shares are granted as target awards and are earned based on our return on equity (ROE) performance. A payout factor has been established ranging from 0 to 200 percent of the target award based on our actual ROE performance. Shares have a three-yearthree-year performance period. Employees leaving the company prior to the end of the three-year performance period forfeit shares granted to them. The fair value of the award is equal to the average market price, adjusted for the present value of dividends over the vesting period, of our stock on the grant date. Compensation expense is recorded ratably over the period beginning on the grant date until the shares become unrestricted and is based on the amount of the award that is expected to be earned under the plan formula, adjusted each reporting period based on current information.

103


Restricted common stock is awarded from time to time at no cost to certain employees. Participants are entitled to cash dividends and voting rights. Restrictions limit the sale or transfer of the shares during a defined period. Generally, one-third of the shares become vested and free from restrictions after two years and one-third of the shares issued become vested and free from restrictions each year thereafter on the anniversary of the grant date, provided the participant remains an employee. The fair value of the award is equal to the average market price of our stock on the grant date. Compensation expense is determined at the grant date and is recognized over the four-year restriction period on a straight-line basis.
Employee compensation expense (net of estimated forfeitures) related to our share-based plans for the yearyears ended December 31, 2014, 20132017, 2016 and 2012,2015, was approximately $35$39 million, $34$31 million and $35$22 million, respectively. In addition, non-employee director share-based compensation expense for the years ended December 31, 2017, 2016 and 2015, was approximately $2 million, $1 million and $2 million, respectively. Shares granted to non-employee directors vest immediately and have no restrictions or performance conditions. The excess tax benefit associated with our employee share-based plans for the years ended December 31, 2014, 20132017, 2016 and 2012,2015, was $5$2 million, $13$1 million and $14$1 million, respectively. The total unrecognized compensation expense (net of estimated forfeitures) related to nonvested awards for our employee share-based plans was approximately $32$41 million at December 31, 2014,2017, and is expected to be recognized over a weighted-average period of less than two years.

105



The tables below summarize the employee share-based activity in the Plan:
  Options 
Weighted-average
Exercise Price
 
Weighted-average
Remaining
Contractual Life
(in years)
 
Aggregate
Intrinsic Value
(in millions)
Balance at December 31, 2014 1,626,724
 $108.30
    
Granted 476,205
 135.21
    
Exercised (53,545) 82.89
    
Forfeited (19,698) 135.89
    
Balance at December 31, 2015 2,029,686
 115.02
    
Granted 984,430
 109.24
    
Exercised (215,890) 87.27
    
Forfeited (63,462) 119.56
    
Balance at December 31, 2016 2,734,764
 115.02
    
Granted 648,900
 149.98
    
Exercised (355,479) 105.91
    
Forfeited (126,816) 125.65
    
Balance at December 31, 2017 2,901,369
 $123.49
 7.1 $156
         
Exercisable, December 31, 2015 1,318,101
 $100.55
 5.7 $13
Exercisable, December 31, 2016 1,149,549
 $104.19
 4.8 $38
Exercisable, December 31, 2017 1,063,889
 $115.26
 4.7 $66
  Options 
Weighted-average
Exercise Price
 
Weighted-average
Remaining
Contractual Life
(in years)
 
Aggregate
Intrinsic Value
(in millions)
Balance at December 31, 2011 1,243,037
 $59.02
    
Granted 321,945
 119.34
    
Exercised (241,815) 31.73
    
Forfeited (13,999) 67.86
    
Balance at December 31, 2012 1,309,168
 78.80
    
Granted 432,370
 112.07
    
Exercised (265,528) 40.48
    
Forfeited (13,674) 105.19
    
Balance at December 31, 2013 1,462,336
 95.35
    
Granted 350,630
 148.98
    
Exercised (175,526) 82.06
    
Forfeited (10,716) 102.56
    
Balance at December 31, 2014 1,626,724
 $108.30
 7.22 $62
         
Exercisable, December 31, 2012 785,869
 $51.40
 6.26 $44
Exercisable, December 31, 2013 758,936
 $76.85
 5.94 $48
Exercisable, December 31, 2014 903,059
 $92.18
 6.05 $48

The weighted-average grant date fair value of options granted during the years ended December 31, 2014, 20132017, 2016 and 2012,2015, was $49.16, $48.00$36.86, $25.28 and $54.25,$35.25, respectively. The total intrinsic value of options exercised during the years ended December 31, 2014, 20132017, 2016 and 2012,2015, was approximately $12$19 million, $22$9 million and $19$3 million, respectively.

104


The weighted-average grant date fair value of performance and restricted shares was as follows:
  Performance Shares Restricted Shares
Nonvested Shares Weighted-average
Fair Value
 Shares Weighted-average
Fair Value
Balance at December 31, 2014 466,693
 $119.78
 11,275
 $110.94
Granted 133,975
 128.48
 
 
Vested (112,901) 115.48
 (7,021) 110.66
Forfeited (67,398) 118.71
 
 
Balance at December 31, 2015 420,369
 123.88
 4,254
 111.40
Granted 169,150
 98.26
 8,089
 117.69
Vested (115,680) 106.55
 (2,502) 114.57
Forfeited (69,345) 110.52
 
 
Balance at December 31, 2016 404,494
 120.41
 9,841
 115.76
Granted 150,225
 138.23
 
 
Vested (85,020) 141.50
 (1,752) 106.89
Forfeited (58,460) 132.52
 
 
Balance at December 31, 2017 411,239
 $120.84
 8,089
 $117.68
  Performance Shares Restricted Shares
Nonvested Shares Weighted-average
Fair Value
 Shares Weighted-average
Fair Value
Balance at December 31, 2011 525,391
 $62.05
 81,845
 $61.49
Granted 325,590
 89.92
 3,150
 91.68
Vested (194,484) 25.46
 (22,766) 52.16
Forfeited (26,413) 91.94
 
 
Balance at December 31, 2012 630,084
 86.49
 62,229
 66.43
Granted 176,649
 106.40
 7,506
 114.56
Vested (303,882) 61.48
 (26,901) 62.03
Forfeited (26,938) 85.07
 (10,293) 65.41
Balance at December 31, 2013 475,913
 109.93
 32,541
 81.49
Granted 206,031
 130.38
 
 
Vested (207,093) 107.64
 (21,266) 65.88
Forfeited (8,158) 121.18
 
 
Balance at December 31, 2014 466,693
 $119.78
 11,275
 $110.94

The total vesting date fair value of performance shares vested during the years ended December 31, 2014, 20132017, 2016 and 20122015 was $30$13 million, $35$12 million and $24$11 million, respectively. The total fair value of restricted shares vested was $3less than $1 million, $3$1 million and $3$1 million for the years ended December 31, 2014, 20132017, 2016 and 2012,2015, respectively.

106



The fair value of each option grant was estimated on the grant date using the Black-Scholes option pricing model with the following assumptions:
  2017 2016 2015
Expected life (years) 6
 5
 5
Risk-free interest rate 2.08% 1.34% 1.41%
Expected volatility 29.97% 30.96% 33.06%
Dividend yield 2.28% 2.10% 1.69%

  2014 2013 2012
Expected life (years) 5
 5
 5
Risk-free interest rate 1.80% 0.79% 1.05%
Expected volatility 41.17% 56.59% 58.98%
Dividend yield 1.61% 1.55% 1.30%
Expected life—The expected life of employee stock options represents the weighted-average period the stock options are expected to remain outstanding based upon our historical data.
Risk-free interest rate—The risk-free interest rate assumption is based upon the observed U.S. treasury security rate appropriate for the expected life of our employee stock options.
Expected volatility—The expected volatility assumption is based upon the weighted-average historical daily price changes of our common stock over the most recent period equal to the expected option life of the grant, adjusted for activity which is not expected to occur in the future.
Dividend yield—The dividend yield assumption is based on our history and expectation of dividend payouts.
NOTE 17.16. NONCONTROLLING INTERESTS
Net (loss) income attributable to noncontrolling interests included a $43 million increase to income related to withholding taxes on foreign earnings as a result of tax legislation.

Noncontrolling interests in the equity of consolidated subsidiaries were as follows:
  December 31,
In millions 2017 2016
Eaton Cummins Automated Transmission Technologies(1)
 $609
 $
Cummins India Ltd. 280
(2) 
285
Other 16
 14
Total $905
 $299

(1) See Note 18, "ACQUISITIONS," for additional information.
  December 31,
In millions 2014 2013
Cummins India Ltd. $252
 $252
Wuxi Cummins Turbo Technologies Co. Ltd. 67
 81
Other 25
 27
Total $344
 $360
(2) Noncontrolling interest for Cummins India Ltd. was reduced by $43 million related to withholding taxes on foreign earnings as a result of tax legislation. See Note 2, "INCOME TAXES," to our Consolidated Financial Statements for additional information.





105107




NOTE 18.17. EARNINGS PER SHARE
We calculate basic earnings per share (EPS) of common stock by dividing net income attributable to Cummins Inc. by the weighted-average number of common shares outstanding for the period. The calculation of diluted EPS assumes the issuance of common stock for all potentially dilutive share equivalents outstanding. We exclude shares of common stock held in the EBTEmployee Benefits Trust (EBT) (see Note 14,13, "SHAREHOLDERS' EQUITY") from the calculation of the weighted-average common shares outstanding until those shares are distributed from the EBT to the RSP.Retirement Savings Plan. Following are the computations for basic and diluted earnings per share:
  Years ended December 31,
Dollars in millions, except per share amounts 2017 2016 2015
Net income attributable to Cummins Inc.  $999
 $1,394
 $1,399
       
Weighted-average common shares outstanding      
Basic 166,625,320
 169,038,410
 178,037,581
Dilutive effect of stock compensation awards 645,545
 298,206
 369,247
Diluted 167,270,865
 169,336,616
 178,406,828
Earnings per common share attributable to Cummins Inc.      
Basic $5.99
 $8.25
 $7.86
Diluted 5.97
 8.23
 7.84

  Years ended December 31,
Dollars in millions, except per share amounts 2014 2013 2012
Net income attributable to Cummins Inc.  $1,651
 $1,483
 $1,645
       
Weighted-average common shares outstanding      
Basic 182,637,568
 186,994,382
 189,286,821
Dilutive effect of stock compensation awards 441,727
 423,459
 381,883
Diluted 183,079,295
 187,417,841
 189,668,704
Earnings per common share attributable to Cummins Inc.      
Basic $9.04
 $7.93
 $8.69
Diluted 9.02
 7.91
 8.67
The weighted-average diluted common shares outstanding for 2014, 2013 and 2012 excludes the anti-dilutive effect of 165,840, 359,641 and 453,893 weighted-average shares, respectively, of commoncertain stock options since such options had an exercise price in excess of the monthly average market value of our common stockstock. The options excluded from diluted earnings per share were as follows:
  Years ended December 31,
  2017 2016 2015
Options excluded 31,991
 1,091,799
 866,262





108



NOTE 18. ACQUISITIONS
Acquisitions for the years ended December 31, 2017, 2016 and 2015 were as follows:
Entity Acquired (Dollars in millions) Date of Acquisition Additional Percent Interest Acquired Payments to Former Owners Acquisition Related Debt Retirements Total Purchase Consideration 
Type of Acquisition(1)
 
Gain Recognized(1)
 Goodwill Acquired 
Intangibles Recognized(2)
 Net Sales Previous Fiscal Year Ended 
2017                     
Brammo Inc. 11/01/17 100% $62
 $
 $68
(3) 
COMB $
 $47

$23
 $4
 
Eaton Cummins Automated Transmission Technologies 07/31/17 50% 600
(4) 

 600
 COMB 
 544
 596
 
(4) 
2016                     
Wuxi Cummins Turbo Technologies Co. Ltd 12/05/16 45% $86
 $
 $86
 EQUITY $
 $
 $
 $
 
Cummins Pacific LLC 10/04/16 50% 32
 67
 99
 COMB 15
 4
 8
 391
(5 
) 
Cummins Northeast LLC 01/01/16 35% 12
 
 12
 EQUITY 
 
 
 
 
2015                     
Cummins Crosspoint LLC 08/03/15 50% $29
 $36
 $65
 COMB $10
 $7
 $2
 $258
(5 
) 
Cummins Atlantic LLC 08/03/15 51% 21
 28
 49
 COMB 8
 5
 6
 245
(5 
) 
Cummins Central Power LLC 06/29/15 20.01% 8
 
 8
 EQUITY 
 
 
 
 

(1)
All results from acquired entities (excluding Brammo Inc.) were included in segment results subsequent to the acquisition date. Previously consolidated entities were accounted for as equity transactions (EQUITY). Newly consolidated entities were accounted for as business combinations (COMB) with gains recognized based on the requirement to remeasure our pre-existing ownership to fair value in accordance with GAAP and are included in the Consolidated Statements of Income as "Other income, net. The Brammo Inc. acquisition had not yet been assigned to a reportable segment at December 31, 2017.
(2)
Intangible assets acquired in business combinations were mostly customer and technology related, the majority of which will be amortized over a period of`up to 25 years from the date of the acquisition.
(3)
The "Total Purchase Consideration" represents the total amount that will or is estimated to be paid to complete the acquisition. A portion of the Brammo Inc. acquisition payment has not yet been made and will be paid in future periods in accordance with the purchase contract. The Brammo Inc. acquisition contains an earnout based on future results of the acquired business and could result in a maximum contingent consideration payment of $100 million (fair value of $5 million) to the former owners.
(4) This transaction created a newly formed joint venture that we consolidated. See additional information below.
(5)
Sales amounts are not fully incremental to our consolidated sales as the amount would be reduced by the elimination of sales to the previously unconsolidated entity.



109



Eaton Cummins Automated Transmission Technologies
In April 2017, we entered into an agreement to form a joint venture with Eaton Corporation PLC (Eaton), which closed on July 31, 2017 (the acquisition date). We purchased a 50 percent interest in the new venture named Eaton Cummins Automated Transmission Technologies (ECJV) for $600 million in cash. In addition, each partner contributed $20 million for working capital. The joint venture will design, assemble, sell and support medium-duty and heavy-duty automated transmissions for the commercial vehicle market, including new product launches. The new generation products (Procision and Endurant) were launched in 2016 and 2017, respectively, and are owned by the joint venture. Eaton will continue to manufacture and sell the old generation products to the joint venture which will be marked up and sold to end customers. Eaton will also sell certain transmission components to the joint venture at prices approximating market rates. In addition, Eaton will provide certain manufacturing and administrative services to the joint venture, including but not limited to manufacturing labor in Mexico, information technology services, accounting services and purchasing services, at prices approximating market rates. Pro forma financial information was not provided as historical activity related to the products contributed to the joint venture was not material.
We consolidated the results of the joint venture in our Components segment as we have a majority voting interest in the venture by virtue of a tie-breaking vote on the joint venture's board of directors. The joint venture had an enterprise value at inception of $1.2 billion. Due to the structure of the joint venture and equal sharing of economic benefits, we did not apply a discount for lack of control to the noncontrolling interests. The final purchase price allocation was as follows:
In millions 
Inventory$3
Fixed assets58
Intangible assets 
      Customer relationships424
      Technology172
Goodwill544
Liabilities(1)
      Total business valuation1,200
Less: Noncontrolling interest600
Total purchase consideration$600


Customer relationship assets represent the value of the long-term strategic relationship the business has with its significant customers, which we are amortizing over 25 years. The assets were valued using an income approach, specifically the "multi-period excess earnings" method, which identifies an estimated stream of revenues and expenses for a particular group of assets from which deductions of portions of the projected economic benefits, attributable to assets other than the subject asset (contributory assets), are deducted in order to isolate the prospective earnings of the subject asset. This value is considered a level 3 measurement under the GAAP fair value hierarchy. Key assumptions used in the valuation of customer relationships include: (1) a rate of return of 10 percent and (2) an attrition rate of 3 percent. Technology assets primarily represent the associated patents and know how related to the Endurant and Procision next generation automated transmissions, which we are amortizing over 15 years. These assets were valued using the "relief-from-royalty" method, which is a combination of both the income approach and market approach that values a subject asset based on an estimate of the "relief" from the royalty expense that would be incurred if the subject asset were licensed from a third party. Key assumptions impacting this value include: (1) a market royalty rate of 5 percent, (2) a rate of return of 10 percent and (3) an economic depreciation rate of 7.5 percent. This value is considered a level 3 measurement under the GAAP fair value hierarchy. Annual amortization of the intangible assets for the next 5 years is expected to approximate $28 million.
Goodwill was determined based on the residual difference between the fair value of consideration transferred and the value assigned to tangible and intangible assets and liabilities. Approximately $31 million of the goodwill is deductible for tax purposes. Among the factors contributing to a purchase price resulting in the recognition of goodwill is the ability to integrate and optimize the engine and transmission development to deliver the world’s best power train, to realize synergies in service and aftermarket growth and to utilize our strength in international markets where automated transmission adoption rates are very low.
Included in our 2017 results were revenues of $164 million and a net loss of $11 million related to this joint venture.

110



NOTE 19. IMPAIRMENT OF LIGHT-DUTY DIESEL ASSETS
We began development of a new North American light-duty diesel engine (LDD) platform in July of 2006 for use in a variety of on and off-highway applications. At December 31, 2015, we had capitalized investments of approximately $279 million, with a net book value prior to the impairment of $246 million ($235 million of which was in our Engine segment and $11 million of which was in our Components segment). Market uncertainty due to the global recession in 2008/2009 resulted in some customers delaying or canceling their vehicle programs, while others remained active. We announced an agreement with Nissan Motor Co. Ltd. in 2013 to supply our light-duty diesel engine and began commercial shipment in 2015. In the fourth quarter of 2015, we learned that we were not successful in our bid to supply this product for an additional customer. In addition, the deterioration in global economic conditions and excess manufacturing capacity in other markets made it unlikely that we would manufacture additional products on the LDD line to utilize its excess capacity during the asset recovery period. As a result, we concluded that year.the combination of these events presented a triggering event requiring an assessment of the recoverability of these assets in the fourth quarter of 2015. The assessment indicated that the projected undiscounted cash flows related to this asset group were not sufficient to recover its carrying value. Consequently, we were required to write down the LDD asset group to fair value. Our 2015 fourth quarter results included an impairment charge of $211 million ($133 million after-tax), of which $202 million was in the Engine segment and $9 million was in the Components segment, to reflect the assets at fair value. We remain committed to servicing existing contracts and are not exiting this product line.
The fair value of the asset group was estimated to be $35 million ($33 million for the Engine segment and $2 million for the Components segment) at December 31, 2015 and was calculated primarily using a cost approach with consideration of a market approach where secondary market information was available for the type and age of these assets. In the application of the market approach, we determined that the liquidation value in-place reflected the best estimate of fair value. In the application of the cost approach we considered the current cost of replacing the assets with a reduction for physical deterioration given the age of the assets and a reduction for functional and economic obsolescence in the form of a discount reflecting the current and projected under-utilization of the assets. The fair value of these assets are considered Level 3 under the fair value hierarchy as they are either derived from unobservable inputs or have significant adjustments to the observable inputs.
NOTE 20. RESTRUCTURING ACTIONS AND OTHER CHARGES
We executed restructuring actions primarily in the form of professional voluntary and involuntary employee separation programs in the fourth quarter of 2015. These actions were in response to the continued deterioration in our global markets in the second half of 2015, as well as expected reductions in orders in most U.S. and global markets in 2016. We reduced our worldwide workforce by approximately 1,900 employees, including approximately 370 employees accepting voluntary retirement packages with the remainder of the reductions being involuntary. We incurred a charge of $90 million ($61 million after-tax) in the fourth quarter of 2015, of which $86 million related to severance costs for both voluntary and involuntary terminations and $4 million for asset impairments and other charges.
At December 31, 2017, all terminations were completed.


111



NOTE 19.21. OPERATING SEGMENTS
Operating segments under GAAP are defined as components of an enterprise about which separate financial information is available that is evaluated regularly by the chief operating decision-maker,Chief Operating Decision Maker (CODM), or decision-making group, in deciding how to allocate resources and in assessing performance. Cummins' chief operating decision-maker (CODM)Our CODM is the President and Chief ExecutiveOperating Officer.
Our reportable operating segments consist of the following: Engine, Distribution, Components and Power Generation.Systems. This reporting structure is organized according to the products and markets each segment serves. The Engine segment produces engines (15 liters and less in size) and associated parts for sale to customers in on-highway and various industrialoff-highway markets. Our engines are used in trucks of all sizes, buses and recreational vehicles, as well as in various industrial applications, including construction, mining, agriculture, marine, oilpower generation systems and gas, rail and military equipment.other off-highway applications. The Distribution segment includes wholly-owned and partially-owned distributorships engaged in wholesaling engines, generator sets and service parts, as well as performing service and repair activities on our products and maintaining relationships with various OEMs throughout the world. The Components segment sells filtration products, aftertreatment systems, turbochargers, fuel systems and fuel systems.transmissions. The Power GenerationSystems segment is an integrated power provider, of power systems, which designs, manufactures and sells engines (16 liters and larger) for industrial applications (including mining, oil and gas, marine and rail), standby and prime power generator sets, alternators and alternators.other power components.
We use segment EBIT (defined as earnings before interest expense, income taxes and noncontrolling interests) as a primary basis for the CODM to evaluate the performance of each of our operating segments. Segment amounts exclude certain expenses not specifically identifiable to segments.
The accounting policies of our operating segments are the same as those applied in our Consolidated Financial Statements. We prepared the financial results of our operating segments on a basis that is consistent with the manner in which we internally disaggregate financial information to assist in making internal operating decisions. We have allocatedallocate certain common costs and expenses, primarily corporate functions, among segments differently than we would for stand-alone financial information prepared in accordance with GAAP. These include certain costs and expenses of shared services, such as information technology, human resources, legal, finance and finance.supply chain management. We also do not allocate debt-related items, actuarial gains or losses, prior service costs or credits, changes in cash surrender value of corporate owned life insurance or income taxes to individual segments. Segment EBIT may not be consistent with measures used by other companies.


106112




Summarized financial information regarding our reportable operating segments at December 31, is shown in the table below:
In millions Engine Distribution Components Power Generation 
Non-segment
Items(1)
 Total Engine Distribution 
Components (1)
 Power Systems Total Segment 
Intersegment Eliminations (2)
 Total
2014            
2017              
External sales $8,437
 $5,135
 $3,791
 $1,858
 $
 $19,221
 $6,661
 $7,029
 $4,363
 $2,375
 $20,428
 $
 $20,428
Intersegment sales 2,525
 39
 1,327
 1,038
 (4,929) 
 2,292
 29
 1,526
 1,683
 5,530
 (5,530) 
Total sales 10,962
 5,174
 5,118
 2,896
 (4,929) 19,221
 8,953
 7,058
 5,889
 4,058
 25,958
 (5,530) 20,428
Depreciation and amortization(2)
 207
 86
 106
 53
 
 452
Depreciation and amortization (3)
 184
 116
 163
 117
 580
 
 580
Research, development and engineering expenses 438
 9
 230
 77
 
 754
 279
 19
 240
 214
 752
 
 752
Equity, royalty and interest income from investees 147
 148
 36
 39
 
 370
Equity, royalty and interest income from investees (4)
 219
 44
 40
 54
 357
 
 357
Interest income 12
 4
 4
 3
 
 23
 6
 6
 3
 3
 18
 
 18
Loss contingency charge (5)
 5
 
 
 
 5
 
 5
Segment EBIT 1,225
 491
(3) 
684
 168
 (70) 2,498
 959
 384
 754
 294
 2,391
 55
 2,446
Net assets 3,450
 2,441
 2,152
 1,694
 
 9,737
 1,290
 2,700
 3,028
 3,124
 10,142
 
 10,142
Investments and advances to equity investees 468
 209
 164
 140
 
 981
 531
 267
 194
 164
 1,156
 
 1,156
Capital expenditures 395
 89
 162
 97
 
 743
 188
 101
 127
 90
 506
 
 506
2013            
2016              
External sales $8,270
 $3,726
 $3,151
 $2,154
 $
 $17,301
 $5,774
 $6,157
 $3,514
 $2,064
 $17,509
 $
 $17,509
Intersegment sales 1,743
 23
 1,191
 877
 (3,834) 
 2,030
 24
 1,322
 1,453
 4,829
 (4,829) 
Total sales 10,013
 3,749
 4,342
 3,031
 (3,834) 17,301
 7,804
 6,181
 4,836
 3,517
 22,338
 (4,829) 17,509
Depreciation and amortization(2)
 205
 54
 96
 50
 
 405
Depreciation and amortization (3)
 163
 116
 133
 115
 527
 
 527
Research, development and engineering expenses 416
 6
 218
 73
 
 713
 226
 13
 208
 189
 636
 
 636
Equity, royalty and interest income from investees 136
 165
 28
 32
 
 361
 148
 70
 41
 42
 301
 
 301
Interest income 16
 2
 3
 6
 
 27
 10
 4
 4
 5
 23
 
 23
Segment EBIT(3)
 1,041
 388
(3) 
527
 218
 (14) 2,160
Net assets 4,323
 1,637
 1,885
 1,801
 
 9,646
Investments and advances to equity investees 419
 262
 140
 110
 
 931
Capital expenditures 372
 57
 141
 106
 
 676
2012            
External sales $9,101
 $3,261
 $2,809
 $2,163
 $
 $17,334
Intersegment sales 1,632
 16
 1,203
 1,105
 (3,956) 
Total sales 10,733
 3,277
 4,012
 3,268
 (3,956) 17,334
Depreciation and amortization(2)
 192
 34
 82
 47
 
 355
Research, development and engineering expenses 433
 6
 213
 76
 
 728
Equity, royalty and interest income from investees 127
 188
 29
 40
 
 384
Interest income 11
 2
 3
 9
 
 25
Loss contingency charge (5)
 138
 
 
 
 138
 
 138
Segment EBIT 1,248
 369
(3) 
426
 285
 (25) 2,303
 686
 392
(6) 
641
 263
(7) 
1,982
 17
 1,999
Net assets 3,373
 1,392
 1,830
 1,582
 
 8,177
 1,620
 2,604
 1,868
 2,629
 8,721
 
 8,721
Investments and advances to equity investees 401
 281
 127
 88
 
 897
 427
 204
 176
 139
 946
 
 946
Capital expenditures 399
 62
 134
 95
 
 690
 200
 96
 143
 92
 531
 
 531
2015              
External sales $6,733
 $6,198
 $3,745
 $2,434
 $19,110
 $
 $19,110
Intersegment sales 1,937
 31
 1,427
 1,633
 5,028
 (5,028) 
Total sales 8,670
 6,229
 5,172
 4,067
 24,138
 (5,028) 19,110
Depreciation and amortization (3)
 187
 105
 109
 110
 511
 
 511
Research, development and engineering expenses 263
 10
 236
 226
 735
 
 735
Equity, royalty and interest income from investees 146
 78
 35
 56
 315
 
 315
Interest income 11
 4
 4
 5
 24
 
 24
Loss contingency charge (5)
 60
 
 
 
 60
 
 60
Impairment of light-duty diesel assets (8)
 202
 
 9
 
 211
 
 211
Restructuring actions and other charges (9)
 17
 23
 13
 26
 79
 11
 90
Segment EBIT 636
 412
(6) 
727
 335
 2,110
 (20) 2,090
Net assets 2,107
 2,330
 1,891
 2,736
 9,064
 
 9,064
Investments and advances to equity investees 445
 192
 150
 188
 975
 
 975
Capital expenditures 345
 125
 137
 137
 744
 
 744

(1) 
Includes Eaton Cummins Automated Transmission Technologies joint venture results consolidated during the third quarter of 2017. See Note
18 , "ACQUISITIONS," for additional information.
(2)
Includes intersegment sales, andintersegment profit in inventory eliminations and unallocated corporate expenses. There were no significant unallocated corporate expenses for the years ended December 31, 20142017, 2016 and 2013. The year ended December 31, 2012, included a $20 million charge ($12 million after-tax) related to legal matters. The charge was excluded from segment results as it was not considered in our evaluation of operating results for the year ended December 31, 2012.2015, respectively.
(2)(3) 
Depreciation and amortization as shown on a segment basis excludes the amortization of debt discount and deferred costs that are included in the Consolidated Statements of Income as "Interest expense." The amortization of debt discount and deferred costs were $3 million, $2$3 million and $6$3 million for the years ended December 31, 2014, 20132017, 2016 and 2012,2015, respectively.
(3)(4) 
U.S. tax legislation passed in December 2017 decreased our equity earnings at certain equity investees, negatively impacting our equity, royalty and interest income from investees by $23 million, $4 million and $12 million for the Engine, Distribution and Components segments, respectively. See Note 2, "INCOME TAXES," for additional information.
(5)
See Note 12, "COMMITMENTS AND CONTINGENCIES," for additional information.
(6)
Distribution segment EBIT included gains on the fair value adjustment resulting from the acquisition of controlling interests in North American distributors of $73 million, $12$15 million and $7$18 million for the periodsyears ended December 31, 2014, 2013,2016 and 2012,2015, respectively. See Note 2,18, "ACQUISITIONS," for additional information.
(7)
Power Systems segment EBIT included a $17 million gain on the sale of an equity investee for the year ended December 31, 2016. See Note 3, "INVESTMENTS IN EQUITY INVESTEES," for additional information.
(8)
See Note 19, "IMPAIRMENT OF LIGHT-DUTY DIESEL ASSETS," for additional information.
(9)
See Note 20, "RESTRUCTURING ACTIONS AND OTHER CHARGES," for additional information.




107113

Table of Contents




A reconciliation of our segment information to the corresponding amounts in the Consolidated Statements of Income is shown in the table below:
  Years ended December 31,
In millions 2017 2016 2015
Total EBIT $2,446
 $1,999
 $2,090
Less: Interest expense 81
 69
 65
Income before income taxes $2,365
 $1,930
 $2,025
  Years ended December 31,
In millions 2014 2013 2012
Total EBIT $2,498
 $2,160
 $2,303
Less: Interest expense 64
 41
 32
Income before income taxes $2,434
 $2,119
 $2,271


  December 31,
In millions 2017 2016 2015
Net assets for operating segments $10,142
 $8,721
 $9,064
Brammo Inc. assets 72
(1) 

 
Liabilities deducted in arriving at net assets 7,397
 6,152
 5,920
Pension and other postretirement benefit adjustments excluded from net assets 156
 (284) (242)
Deferred tax assets not allocated to segments 306
 420
 390
Deferred debt costs not allocated to segments 2
 2
 2
Total assets $18,075
 $15,011
 $15,134

  December 31,
In millions 2014 2013 2012
Net assets for operating segments $9,737
 $9,646
 $8,177
Liabilities deducted in arriving at net assets 6,009
 5,103
 4,913
Pension and other postretirement benefit adjustments excluded from net assets (319) (346) (977)
Deferred tax assets not allocated to segments 314
 292
 410
Debt-related costs not allocated to segments 35
 33
 25
Total assets $15,776
 $14,728
 $12,548

(1)
Assets associated with the Brammo Inc. acquisition were presented as a reconciling item as Brammo Inc. had not yet been assigned to a reportable segment at December 31, 2017. See Note 18, "ACQUISITIONS," for additional information.
The tables below present certain segment information by geographic area. Net sales attributed to geographic areas were based on the location of the customer.
In millions Years ended December 31,
Net Sales 2017 2016 2015
United States $11,010
 $9,476
 $10,757
China 2,137
 1,544
 1,451
Other International 7,281
 6,489
 6,902
Total net sales $20,428
 $17,509
 $19,110

Long-lived assets include property, plant and equipment, net of depreciation, investments and advances to equity investees and other assets, excluding deferred tax assets, refundable taxes and deferred debt expenses.
In millions December 31,
Long-lived assets 2017 2016 2015
United States $3,157
 $3,092
 $2,968
China 795
 652
 668
India 563
 475
 450
United Kingdom 339
 254
 349
Netherlands 221
 197
 172
Brazil 149
 149
 124
Mexico 136
 131
 108
Canada 116
 132
 133
Other international countries 293
 236
 261
Total long-lived assets $5,769
 $5,318
 $5,233

In millions Years ended December 31,
Net Sales 2014 2013 2012
United States $10,058
 $8,382
 $8,107
China 1,446
 1,194
 1,056
Canada 771
 655
 642
Brazil 730
 882
 798
India 546
 630
 757
Mexico 561
 556
 692
United Kingdom 479
 453
 660
Other foreign countries 4,630
 4,549
 4,622
Total net sales $19,221
 $17,301
 $17,334
In millions December 31,
Long-lived assets 2014 2013 2012
United States $2,949
 $2,606
 $2,440
China 692
 646
 589
India 391
 330
 243
United Kingdom 339
 319
 339
Brazil 161
 172
 170
Netherlands 156
 138
 130
Canada 126
 68
 69
Mexico 96
 87
 77
Germany 79
 69
 49
Korea 34
 37
 37
Romania 31
 27
 15
Turkey 30
 28
 29
Australia 17
 18
 25
United Arab Emirates 16
 15
 16
Singapore 13
 17
 16
France 12
 13
 13
Other foreign countries 42
 34
 33
Total long-lived assets $5,184
 $4,624
 $4,290

108


Our largest customer is PACCAR Inc. Worldwide sales to this customer were $2,706$2,893 million in 2014, $2,0852017, $2,359 million in 20132016 and $2,232$2,949 million in 2012,2015, representing 14 percent, 1213 percent and 1315 percent, respectively, of our consolidated net sales. No other customer accounted for more than 10 percent of consolidated net sales.


109114




SELECTED QUARTERLY FINANCIAL DATA
UNAUDITED
 
First
Quarter
 
Second
Quarter
 
Third
Quarter
 
Fourth
Quarter
 
First
Quarter
 
Second
Quarter
 
Third
Quarter
 
Fourth
Quarter
 
In millions, except per share amounts 2014 2017 
Net sales $4,406
 $4,835
 $4,890
 $5,090
 $4,589
 $5,078
 $5,285
 $5,476
 
Gross margin (1)
 1,099
 1,205
 1,284
 1,273
 1,128
 1,249
 1,339
 1,374
 
Net income attributable to Cummins Inc. 338
 446
 423
 444
 396
 424
 453
 (274)
(1) 
Earnings per common share attributable to Cummins Inc.—basic(2) $1.83
 $2.44
 $2.32
 $2.45
 $2.36
 $2.53
 $2.72
 $(1.66)
(1) 
Earnings per common share attributable to Cummins Inc.—diluted(2) 1.83
 2.43
 2.32
 2.44
 2.36
 2.53
 2.71
 (1.65)
(1) 
Cash dividends per share 0.625
 0.625
 0.78
 0.78
 1.025
 1.025
 1.08
 1.08
 
Stock price per share          
  
  
  
 
High $148.60
 $161.03
 $158.25
 $151.25
 $155.51
 $164.23
 $170.68
 $181.79
 
Low 122.64
 139.01
 132.63
 124.30
 134.06
 143.83
 150.25
 158.75
 
 2013 2016 
Net sales $3,922
 $4,525
 $4,266
 $4,588
 $4,291
 $4,528
 $4,187
 $4,503
 
Gross margin (1)
 934
 1,128
 1,081
 1,137
 1,056
 1,197
 1,079
 1,120
 
Net income attributable to Cummins Inc. 282
 414
 355
 432
 321
 406
(3) 
289
(3) 
378
 
Earnings per common share attributable to Cummins Inc.—basic (2)
 $1.50
 $2.20
 $1.91
 $2.33
 $1.87
 $2.41
(3) 
$1.72
(3) 
$2.26
 
Earnings per common share attributable to Cummins Inc.—diluted(2) 1.49
 2.20
 1.90
 2.32
 1.87
 2.40
(3) 
1.72
(3) 
2.25
 
Cash dividends per share 0.50
 0.50
 0.625
 0.625
 0.975
 0.975
 1.025
 1.025
 
Stock price per share                 
High $122.54
 $122.32
 $136.50
 $141.39
 $111.29
 $120.00
 $128.60
 $147.10
 
Low 109.19
 103.41
 107.51
 122.52
 79.88
 104.30
 107.51
 121.22
 

(1) 
We revisedNet income attributable to Cummins Inc. and earnings per share were negatively impacted by a $777 million tax adjustment related to The Tax Cuts and Jobs Act passed in December of 2017. For the classificationfourth quarter of certain amounts2017, results for "Cost of sales"basic and "Selling, generaldiluted earnings per share were reduced by $4.70 per share and administrative expenses" for the first and second quarters of 2014 and all four quarters in 2013. The segment EBIT performance measure is unchanged, however, certain activities that were previously classified in "Selling, general and administrative expenses" are now classified as "Cost of sales". The reclassifications for 2014 were $17 million and $22 million for the first and second quarters,$4.68 per share, respectively, while the reclassifications for 2013 were $23 million, $25 million, $28 million and $27 million for each sequential quarter, respectively. The revision had no impact on reported net income, cash flows or the balance sheet. See NOTE 1, "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES,"due to our Consolidated Financial Statements for additional detail.
tax reform.
(2) 
Earnings per share in each quarter is computed using the weighted-average number of shares outstanding during that quarter while earnings per share for the full year is computed using the weighted-average number of shares outstanding during the year. Thus, the sum of the four quarters earnings per share may not equal the full year earnings per share.
(3)
The second quarter of 2016 included a $39 million loss contingency charge ($24 million after-tax). The third quarter of 2016 included an additional $99 million loss contingency charge ($50 million net of favorable compensation impact and after-tax).

At December 31, 2014,2017, there were approximately 3,7313,362 holders of record of Cummins Inc.'s $2.50 par value common stock.



110115

Table of Contents



ITEM 9.    Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
None.
ITEM 9A.    Controls and Procedures
Evaluation of Disclosure Controls and Procedures
As of the end of the period covered by this Annual Report on Form 10-K, our management evaluated, with the participation of our Chief Executive Officer and Chief Financial Officer, the effectiveness of the design and operation of our disclosure controls and procedures as defined in Exchange Act Rules 13a-15(e) and 15d-15(e). Based upon that evaluation, our Chief Executive Officer and our Chief Financial Officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this Annual Report on Form 10-K.
Changes in Internal Control over Financial Reporting
There has been no change in our internal control over financial reporting during the quarter ended December 31, 2014,2017, that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.
Management's Report on Internal Control Over Financial Reporting
The information required by Item 9A relating to Management's Annual Report on Internal Control Over Financial Reporting and Attestation Report of the Registered Public Accounting Firm is incorporated herein by reference to the information set forth under the captions "Management's Report on Internal Control Over Financial Reporting" and "Report of Independent Registered Public Accounting Firm," respectively, under Item 8.
ITEM 9B.    Other Information
None.
PART III
ITEM 10.    Directors, Executive Officers and Corporate Governance
The information required by Item 10 is incorporated by reference to the relevant information under the captions "Corporate Governance," "Election of Directors" and "Other Information—Section 16(a) Beneficial Ownership Reporting Compliance" in our 20152018 Proxy Statement, which will be filed within 120 days after the end of 2014.2017. Information regarding our executive officers may be found in Part 1 of this annual report under the caption "Executive Officers of the Registrant." Except as otherwise specifically incorporated by reference, our Proxy Statement is not deemed to be filed as part of this annual report.
ITEM 11.    Executive Compensation
The information required by Item 11 is incorporated by reference to the relevant information under the caption "Executive Compensation" in our 20152018 Proxy Statement, which will be filed within 120 days after the end of 2014.2017.


111116

Table of Contents



ITEM 12.    Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters
Information concerning our equity compensation plans at December 31, 2014,2017, was as follows:
Plan Category 
Number of securities to be
issued upon exercise of
outstanding options,
warrants and rights(1)
 
Weighted-average
exercise price of
outstanding options,
warrants and rights(2)
 
Number of securities remaining
available for future issuance
under equity compensation
plans (excluding securities
reflected in the first column)
 
Number of securities to be
issued upon exercise of
outstanding options,
warrants and rights(1)
 
Weighted-average
exercise price of
outstanding options,
warrants and rights(2)
 
Number of securities remaining
available for future issuance
under equity compensation
plans (excluding securities
reflected in the first column)
Equity compensation plans approved by security holders 2,104,692
 $108.30
 2,434,746
 3,320,697
 $123.49
 8,510,444
Equity compensation plans not approved by security holders 
 
 
 
 
 
Total 2,104,692
 $108.30
 2,434,746
 3,320,697
 $123.49
 8,510,444

________________________________________________
(1) 
The number is comprised of 1,626,7242,901,369 stock options, 466,693411,239 performance shares and 11,2758,089 restricted shares. Refer toSee NOTE 16,15, "STOCK INCENTIVE AND STOCK OPTION PLANS," to the Consolidated Financial Statements for a description of how options and shares are awarded.
(2) 
The weighted-average exercise price relates only to the 1,626,7242,901,369 stock options. Performance and restricted shares do not have an exercise price and, therefore, are not included in this calculation.
The remaining information required by Item 12 is incorporated by reference to the relevant information under the caption "Stock Ownership of Directors, Management and Others" in our 20152018 Proxy Statement, which will be filed within 120 days after the end of 2014.2017.
ITEM 13.    Certain Relationships, Related Transactions and Director Independence
The information required by Item 13 is incorporated by reference to the relevant information under the captions "Corporate Governance" and "Other Information—RelatedInformation-Related Party Transactions" in our 20152018 Proxy Statement, which will be filed within 120 days after the end of 2014.2017.
ITEM 14.    Principal Accounting Fees and Services
The information required by Item 14 is incorporated by reference to the relevant information under the caption "Selection of Independent Public Accountants" in our 20152018 Proxy Statement, which will be filed within 120 days after the end of 2014.2017.
PART IV
ITEM 15.    Exhibits and Financial Statement Schedules
(a)
The following Consolidated Financial Statements and schedules filed as part of this report can be found in Item 8 "Financial Statements and Supplementary Data":
Management's Report to Shareholders
Report of Independent Registered Public Accounting Firm
Consolidated Statements of Incomefor the years ended December 31, 2014, 2013 and 2012
Consolidated Statements of Comprehensive Incomefor the years ended December 31, 2014, 2013 and 2012
Consolidated Balance Sheetsat December 31, 2014 and 2013
Consolidated Statements of Cash Flowsfor the years ended December 31, 2014, 2013 and 2012
Consolidated Statements of Changes in Equityfor the years ended December 31, 2014, 2013 and 2012
Management's Report to Shareholders
Report of Independent Registered Public Accounting Firm
Consolidated Statements of Incomefor the years ended December 31, 2017, 2016 and 2015
Consolidated Statements of Comprehensive Incomefor the years ended December 31, 2017, 2016 and 2015
Consolidated Balance Sheetsat December 31, 2017 and 2016
Consolidated Statements of Cash Flowsfor the years ended December 31, 2017, 2016 and 2015
Consolidated Statements of Changes in Equityfor the years ended December 31, 2017, 2016 and 2015
Notes to Consolidated Financial Statements
Selected Quarterly Financial Data (Unaudited)

117



(b)SeeThe exhibits listed in the following Exhibit Index at the endare filed as part of this Annual Report on Form 10-K.


CUMMINS INC.
EXHIBIT INDEX
112
Exhibit No.Description of Exhibit

118




101.INSXBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. 
101.SCHXBRL Taxonomy Extension Schema Document.
101.CALXBRL Taxonomy Extension Calculation Linkbase Document.
101.DEFXBRL Taxonomy Extension Definition Linkbase Document.
101.LABXBRL Taxonomy Extension Label Linkbase Document.
101.PREXBRL Taxonomy Extension Presentation Linkbase Document.

# A management contract or compensatory plan or arrangement.


119



ITEM 16.    Form 10-K Summary (optional)
Not Applicable.

120



SIGNATURES
Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
CUMMINS INC.
By: /s/ PATRICK J. WARD By: /s/ MARSHA L. HUNTCHRISTOPHER C. CLULOW
  
Patrick J. Ward
Vice President and Chief Financial Officer
(Principal Financial Officer)
   
Marsha L. HuntChristopher C. Clulow
Vice President—Corporate Controller
(Principal Accounting Officer)
       
Date: February 17, 201512, 2018    
Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.
Signatures Title Date
/s/ N. THOMAS LINEBARGER Chairman of the Board of Directors and Chief Executive Officer

(Principal Executive Officer)
 February 17, 201512, 2018
N. Thomas Linebarger  
/s/ PATRICK J. WARD 
Vice President and Chief Financial Officer
(Principal Financial Officer)
 February 17, 201512, 2018
Patrick J. Ward  
/s/ MARSHA L. HUNTCHRISTOPHER C. CLULOW 
Vice President—Corporate Controller
(Principal Accounting Officer)
 February 17, 201512, 2018
Marsha L. HuntChristopher C. Clulow  
*   February 17, 201512, 2018
Robert J. Bernhard Director 
*   February 17, 201512, 2018
Franklin R. Chang-DiazChangDiaz Director 
*   February 17, 201512, 2018
Bruno V. Di Leo AllenDirector
*February 12, 2018
Stephen B. Dobbs Director 
*   February 17, 201512, 2018
Richard J. FreelandDirector
*February 12, 2018
Robert K. Herdman Director 
*   February 17, 201512, 2018
Alexis M. Herman Director 
*   February 17, 201512, 2018
Thomas J. LynchDirector
*February 12, 2018
William I. Miller Director 
*   February 17, 201512, 2018
Georgia R. Nelson Director 
*February 12, 2018
Karen H. QuintosDirector


*By:/s/ PATRICK J. WARD
 
Patrick J. Ward
Attorney-in-fact



113121

CUMMINS INC.
EXHIBIT INDEX

Exhibit No.Description of Exhibit
3
(a)Restated Articles of Incorporation, as amended (incorporated by reference to Exhibit 3(a) to Cummins Inc.'s Quarterly Report on Form 10-Q for the quarter ended June 28, 2009).
3
(b)By-laws, as amended and restated effective as of May 8, 2012 (incorporated by reference to Exhibit 3(b) to Cummins Inc.'s Quarterly Report on Form 10-Q for the quarter ended July 1, 2012).
4
(a)Indenture, dated as of September 16, 2013, by and between Cummins Inc. and U.S. Bank National Association (incorporated by reference to Exhibit 4.3 to the Registration Statement on Form S-3 filed with the Securities and Exchange Commission on September 26, 2013 (Registration Statement No. 333-191189)).
4
(b)First Supplemental Indenture, dated as of September 24, 2013, between Cummins Inc. and U.S. Bank National Association (incorporated by reference to Exhibit 4.1 of the Current Report on 8-K, filed by Cummins Inc. with the Securities and Exchange Commission on September 24, 2013 (File No. 001-04949)).
4
(c)Second Supplemental Indenture, dated as of September 24, 2013, between Cummins Inc. and U.S. Bank National Association (incorporated by reference to Exhibit 4.2 of the Current Report on 8-K, filed by Cummins Inc. with the Securities and Exchange Commission on September 24, 2013 (File No. 001-04949)).
10
(a)#2003 Stock Incentive Plan, as amended (incorporated by reference to Exhibit 10(a) to Cummins Inc.'s Annual Report on Form 10-K for the year ended December 31, 2009).
10
(b)#Target Bonus Plan (incorporated by reference to Exhibit 10(b) to Cummins Inc.'s Annual Report on Form 10-K for the year ended December 31, 2009).
10
(c)#Deferred Compensation Plan, as amended (incorporated by reference to Exhibit 10(c) to Cummins Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 28, 2014).
10
(d)#Supplemental Life Insurance and Deferred Income Plan, as amended (incorporated by reference to Exhibit 10(d) to Cummins Inc.'s Annual Report on Form 10-K for the year ended December 31, 2011).
10
(e)#Credit Agreement, dated as of November 9, 2012, by and among Cummins Inc., Cummins Ltd., Cummins Power Generation Ltd., Cummins Generator Technologies Limited, certain other subsidiaries referred to therein and the Lenders party thereto. (incorporated by reference to Exhibit 10.1 to Cummins Inc.'s Current Report on Form 8-K dated November 9, 2012).
10
(f)#Amendment No. 1 to Credit Agreement, dated as of October 30, 2014, among Cummins Inc., Cummins Ltd., Cummins Power Generation Ltd., Cummins Generator Technologies Limited, certain other subsidiaries referred to therein, the lenders party thereto, and JPMorgan Chase Bank, N.A., as administrative agent (incorporated by reference to Exhibit 10.1 to Cummins Inc.'s Current Report on Form 8-K dated November 4, 2014).
10
(g)#Deferred Compensation Plan for Non-Employee Directors, as amended (incorporated by reference to Exhibit 10(f) to Cummins Inc.'s Annual Report on Form 10-K for the year ended December 31, 2013).
10
(h)#Excess Benefit Retirement Plan, as amended (incorporated by reference to Exhibit 10(g) to Cummins Inc.'s Quarterly Report on Form 10-Q for the quarter ended September 28, 2014).
10
(i)#Employee Stock Purchase Plan, as amended (incorporated by reference to Annex B to Cummins Inc.'s definitive proxy statement filed with the Securities and Exchange Commission on Schedule 14A on March 27, 2012 (File No. 001-04949)).
10
(j)#Longer Term Performance Plan (incorporated by reference to Exhibit 10(i) to Cummins Inc.'s Annual Report on Form 10-K for the year ended December 31, 2009).
10
(k)#2006 Executive Retention Plan, as amended (incorporated by reference to Exhibit 10(j) to Cummins Inc.'s Annual Report on Form 10-K for the year ended December 31, 2011).
10
(l)#Senior Executive Target Bonus Plan (incorporated by reference to Exhibit 10(k) to Cummins Inc.'s Annual Report on Form 10-K for the year ended December 31, 2009).
10
(m)#Senior Executive Longer Term Performance Plan (incorporated by reference to Exhibit 10(l) to Cummins Inc.'s Annual Report on Form 10-K for the year ended December 31, 2009).
10
(n)#Form of Stock Option Agreement under the 2003 Stock Incentive Plan (incorporated by reference to Exhibit 10(m) to Cummins Inc.'s Annual Report on Form 10-K for the year ended December 31, 2009).
10
(o)#Form of Performance Share Award Agreement under the 2003 Stock Incentive Plan (incorporated by reference to Exhibit 10(n) to Cummins Inc.'s Annual Report on Form 10-K for the year ended December 31, 2009).
10
(p)#2012 Omnibus Incentive Plan (incorporated by reference to Annex A to Cummins Inc.'s definitive proxy statement filed with the Securities and Exchange Commission on Schedule 14A on March 27, 2012 (File No. 001-04949)).
10
(q)#Form of Stock Option Agreement under the 2012 Omnibus Incentive Plan (incorporated by reference to Exhibit 10(p) to Cummins Inc.'s Annual Report on Form 10-K for the year ended December 31, 2013).
10
(r)#Key Employee Stock Investment Plan (incorporated by reference to Exhibit 10(q) to Cummins Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 28, 2014).
12
Calculation of Ratio of Earnings to Fixed Charges (filed herewith).
21
Subsidiaries of the Registrant (filed herewith).
23
Consent of PricewaterhouseCoopers LLP (filed herewith).
24
Powers of Attorney (filed herewith).
31
(a)Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (filed herewith).
31
(b)Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (filed herewith).
32
Certifications Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (filed herewith).
101
.INSXBRL Instance Document.

114

CUMMINS INC.
EXHIBIT INDEX

101
.SCHXBRL Taxonomy Extension Schema Document.
101
.CALXBRL Taxonomy Extension Calculation Linkbase Document.
101
.DEFXBRL Taxonomy Extension Definition Linkbase Document.
101
.LABXBRL Taxonomy Extension Label Linkbase Document.
101
.PREXBRL Taxonomy Extension Presentation Linkbase Document.

# A management contract or compensatory plan or arrangement.

115