Certain reclassifications of prior year's data have been made to conform to current year's presentation. On JulyAs noted below under “Recent Accounting Pronouncements”, effective January 1, 2015,2017, the company completedadopted the separationFinancial Accounting Standards Board (FASB) Accounting Standards Update (ASU) No. 2016-09, Compensation - Stock Compensation (Topic 718), Improvements to Employee Share-Based Payment Accounting. In conjunction with the adoption of its Performance Chemicals segment throughthis ASU, the spin-off of all of the issued and outstanding stock of The Chemours Company (Chemours). In accordance with GAAP, the financial position and results of operations of the Performance Chemicals segment are presented as discontinued operations and, as such, have been excluded from continuing operations and segment results for all periods presented. The sum of the individual earnings per share amounts from continuing operations and discontinued operations may not equal the total company earnings per share amounts due to rounding. Theretrospectively reclassified cash flows and comprehensive income related to the Performance Chemicals segment have not been segregated and are includedincome tax impacts associated with employee share-based payments in the interim Condensed Consolidated Statements of Cash Flows, and Comprehensive Income, respectively, for all periods presented. Amounts related to the Performance Chemicals segment are consistently included or excluded from the Notes to the interim Consolidated Financial Statements based on the respective financial statement line item. See Note 3 for additional information.as described below.

In March 2016, the FASB issued ASU No. 2016-09, Compensation - Stock Compensation (Topic 718), Improvements to Employee Share-Based Payment Accounting.Accounting, which modifies the accounting for certain aspects of share-based payments to employees. The ASUnew guidance requires excess tax benefits and tax deficiencies to be recorded in the income statement when stock awards vest or are settled. In addition, cash flows related to excess tax benefits will no longer be separately classified as a financing activity apart from other income tax cash flows. The standard also allows the company to repurchase more of an employee’s vested shares for tax withholding purposes without triggering liability accounting, and clarifies that all cash payments made to tax authorities on an employee’s behalf for withheld shares should be presented as a financing activity on the statement of cash flows. The company adopted this standard as of January 1, 2017.

In March 2017, the FASB Simplification Initiativeissued ASU No. 2017-07, Compensation - Retirement Benefits (Topic 715), Improving the Presentation of Net Periodic Pension Cost and involves several aspectsNet Periodic Postretirement Benefit Cost. The new guidance requires registrants to present the service cost component of accountingnet periodic benefit cost in the same income statement line item or items as other employee compensation costs arising from services rendered during the period. In addition, only the service cost component will be eligible for shared-based paymentcapitalization in assets. Registrants will present the other components of net periodic benefit cost separately from the service cost component; and, the line item or items used in the income statement to present the other components of net periodic benefit cost must be disclosed. The guidance is effective for annual reporting periods beginning after December 15, 2017, including interim periods within those fiscal years. Early adoption is permitted as of the beginning of an annual period. The new standard must be adopted retrospectively for the presentation of the service cost component and the other components of net periodic benefit cost in the income statement, and prospectively for the capitalization of the service cost component of net periodic benefit cost in assets. The company plans to adopt this guidance in the first quarter of 2018 and is currently evaluating the impact on the Consolidated Financial Statements and related disclosures. See Note 14 for the components of net periodic benefit cost.

In January 2017, the FASB issued ASU No. 2017-01, Business Combinations (Topic 805), Clarifying the Definition of a Business. The new guidance narrows the existing definition of a business and provides a framework for evaluating whether a transaction should be accounted for as an acquisition (or disposal) of assets or a business. The guidance requires an entity to evaluate if substantially all of the fair value of the gross assets acquired is concentrated in a single identifiable asset or a group of similar identifiable assets; if so, the set of transferred assets and activities (collectively, the set) is not a business. To be considered a business, the set would need to include an input and a substantive process that together significantly contribute to the ability to create outputs, as defined by the ASU. The guidance is effective for annual reporting periods beginning after December 15, 2017, including interim periods within those annual reporting periods, and should be applied prospectively. Early adoption is permitted. The company will apply this guidance to applicable transactions includingafter the adoption date.

In October 2016, the FASB issued ASU No. 2016-16, Income Taxes (Topic 740), Intra-Entity Transfers of Assets Other Than Inventory. The new guidance requires that entities recognize the income tax consequences forefeituresof an intra-entity transfer of an asset other than inventory when the transfer occurs, rather than when the asset is sold to an outside party. The guidance is effective for annual reporting periods beginning after December 15, 2017, including interim periods within those annual reporting periods. Early adoption is permitted as of the beginning of an annual reporting period. The new guidance requires adoption on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. The company plans to adopt this guidance in the first quarter of 2018 and classificationis currently evaluating the impact this guidance will have on the Consolidated Financial Statements and related disclosures.

In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230), Classification of Certain Cash Receipts and Cash Payments. The new guidance makes eight targeted changes to how cash receipts and cash payments are presented and classified in the statement of cash flows. The guidance is effective for annual periodsfiscal years beginning after December 15, 2016,2017, and interim periods within those annual periods.fiscal years. Early adoption is permitted, for any entityincluding adoption in anyan interim or annual period. If an entity early adopts the amendments in an interim period, any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. An entity that elects early adoption must adopt all of the amendments in the same period. The new guidance requires adoption on a retrospective basis unless it is impracticable to apply, in which case the company would be required to apply the amendments prospectively as of the earliest date practicable. The company is currently evaluating the impact this guidance will have on the Consolidated Financial Statements and related disclosures.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). The amendments under the new guidance will require lessees to recognize almost all leases on their balance sheet as a right-of-use asset and a lease liability, other than leases that meet the definition of a short- termshort-term lease. For income statement purposes, the FASB retained a dual model, requiring leases to be classified as either operating or finance. Classification will be based on criteria that are largely similar to those applied in current lease accounting. Lessor accounting is similar to the current model, but updated to align with certain changes to the lessee model and the new revenue recognition standard. The new leasing standard will be effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. The new standard must be adopted using a modified retrospective transition, requiring application at the beginning of the earliest comparative period presented. The company is currently evaluating the impact of adopting this guidance on its financial position and results of operations. The company is the lessee under various agreements for facilities and equipment that are currently accounted for as operating leases. A complete discussion of these leases is included in the company's 2016 Annual Report in Note 15, "Commitments and Contingent Liabilities."

In May 2014, the FASB and the International Accounting Standards Board (IASB) jointly issued ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606), which was further updated in March, April, May and MayDecember 2016. The new guidance clarifies the principles for recognizing revenue and develops a common revenue standard for GAAP and International Financial Reporting Standards (IFRS).GAAP. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods and services. The new standard also will result in additional disclosure requirements to describe the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. In July 2015, the FASB approved a deferral of the ASU effective date from annual and interim periods beginning after December 15, 2016 to annual and interim periods beginning after December 15, 2017. The company is currently evaluatingcontinues to evaluate the impact of adopting this guidancethe new standard on its financial positionConsolidated Financial Statements and resultsdisclosures.  Based on the analysis conducted to date, the company does not believe the impact upon adoption will be material to its Consolidated Financial Statements.  The company plans to adopt the standard in the first quarter of operations.2018 under the modified retrospective transition method.

On July 1, 2015, (the Distribution Date), DuPont completed the separation of its Performance Chemicals segment through the spin-off of all of the issued and outstanding stock of The Chemours Company (the Separation). To effect the spin-off, DuPont distributed to its stockholders one share of Chemours common stock, par value $0.01 per share, for every five shares of DuPont common stock, par value $0.30 per share, (the Distribution) outstanding as of 5:00 p.m. June 23, 2015, the record date for the Distribution. In lieu of fractional shares of Chemours, stockholders of DuPont received cash, which generally was taxable. In connection with the Separation, the company and The Chemours Company (Chemours) entered into a Separation Agreement, discussed below, and a Tax Matters Agreement and certain ancillary agreements, including an employee matters agreement, agreements related to transition and site services, and intellectual property cross licensing arrangements. In addition, the companies have entered into certain supply agreements. In the first quarter 2016, the company prepaid $190 for certain goods and services expected to be delivered by Chemours over twelve to fifteen months. As of June 30, 2016, the balance of the prepayment was $132 recorded within prepaid expenses on the Condensed Consolidated Balance Sheet.

The company and Chemours entered into a Separation Agreement that sets forth, among other things, the agreements between the company and Chemours regarding the principal transactions necessary to effect the Separation and also sets forth ancillary agreements that govern certain aspects of the company’s relationship with Chemours after the separation. Among other matters, the Separation Agreement and the ancillary agreements provide for the allocation between DuPont and Chemours of assets, employees, liabilities and obligations (including investments, property and employee benefits and tax-related assets and liabilities) attributable to periods prior to, at and after the completion of the Separation.

Pursuant to the Separation Agreement, Chemours indemnifies DuPont against certain litigation, environmental, workers' compensation and other liabilities that arose prior to the distribution. The term of this indemnification is indefinite and includes defense costs and expenses, as well as monetary and non-monetary settlements and judgments. In connection with the recognition of liabilities related to these matters, the company records an indemnification asset when recovery is deemed probable. At June 30, 2016,March 31, 2017, the indemnified assets are $87$422 within accounts and notes receivable, net and $399$350 within other assets offseton the condensed Consolidated Balance Sheet. See Note 11 for further discussion of certain litigation and environmental matters indemnified by the corresponding liabilities of $87 within other accrued liabilities and $399 within other liabilities.

At June 30, 2016,March 31, 2017, total liabilities related to the program were $40.$63. The restructuring actions associated with the charge were substantially completed in 2016. A complete discussion of restructuring initiatives is included in the company's 20152016 Annual Report in Note 4, "Employee Separation / Asset Related Charges, Net."

Account balances and activity related tofor the programrestructuring plan, which reflect timing of payments, are summarized below:

The following table summarizes the impacts of the company's foreign currency hedging program on the company's results of operations for the three and six months ended June 30, 2016March 31, 2017 and 2015.2016. The company routinely uses foreign currency exchange contracts to offset its net exposures, by currency, related to the foreign currency-denominated monetary assets and liabilities. The objective of this program is to maintain an approximately balanced position in foreign currencies in order to minimize, on an after-tax basis, the effects of exchange rate changes on net monetary asset positions. The hedging program gains (losses) are largely taxable (tax deductible) in the U.S., whereas the offsetting exchange gains (losses) on the re-measurement of certain net monetary asset positions are not taxable (tax deductible) in their local jurisdictions. The net pre-tax exchange gains (losses) are recorded in other income, net and the related tax impact is recorded in provision for income taxes on continuing operations in the interim Consolidated Income Statements.

Note 6.  Income Taxes 

Each year the company files hundreds of tax returns in the various national, state and local income taxing jurisdictions in which it operates. These tax returns are subject to examination and possible challenge by the tax authorities. Positions challenged by the tax authorities may be settled or appealed by the company. As a result, there is an uncertainty in income taxes recognized in the company’s financial statements in accordance with accounting for income taxes and accounting for uncertainty in income taxes. It is reasonably possible that net reductionschanges to the company’scompany's global unrecognized tax benefits could be insignificant; however, due to the uncertainty regarding the timing of completion of audits and possible outcomes, a current estimate of the range of $100 to $120increases or decreases that may occur within the next twelve months withcannot be made.

During the majoritythree months ended March 31, 2017, the company recognized a tax benefit of $57, as well as a $50 pre-tax benefit on associated accrued interest reversals, related to a reduction in the company's unrecognized tax benefits due to the settlementclosure of uncertain tax positions with various tax authorities.statutes of limitations. Income from continuing operations during the three months ended March 31, 2017 includes a tax benefit of $53 and a pre-tax benefit of $47 for accrued interest reversals (recorded in other income, net). Loss from discontinued operations during the three months ended March 31, 2017 includes a tax benefit of $4 and a pre-tax benefit of $3 for the accrued interest reversal.  

Set forth below is a reconciliation of the numerator and denominator for basic and diluted earnings per share calculations for the periods indicated:

The following average number of stock options were antidilutive, and therefore not included in the dilutive earnings per share calculations:

The change in the average number of stock options that were antidilutive in the three and six months ended June 30, 2016March 31, 2017, compared to the same period last year was due to changes in the company's average stock price.

Note 9.  Other Intangible Assets 

The gross carrying amounts and accumulated amortization of other intangible assets by major class are as follows: 

The aggregate pre-tax amortization expense from continuing operations for definite-lived intangible assets was $104$51 and $226$122 for the three and six months ended June 30,March 31, 2017 and 2016, and $117 and $256 for the three and six months ended June 30, 2015, respectively. The estimated aggregate pre-tax amortization expense from continuing operations for the remainder of 20162017 and each of the next five years is approximately $104, $207, $208, $213, $200$151, $209, $211, $193, $138 and $147,$115, respectively.

In February 2016,January 2017, the company entered into a committed receivable repurchase agreement of up to $1,000$1,300 (the Repurchase Facility). The Repurchase Facility is structured to account for the seasonality of the agricultural business and expires on November 30, 2016.2017. Under the Repurchase Facility, the company may sell a portfolio of available and eligible outstanding customer notes receivables within the Agriculture segment to participating institutions and simultaneously must agree to repurchase such notes receivable at a future date. The Repurchase Facility is considered a secured borrowing with the customer notes receivables utilized as collateral. The amount of collateral required equals 105%105 percent of the outstanding borrowing amounts. Borrowings under the Repurchase Facility have an interest rate of the London interbank offered rate (LIBOR) plus 0.75%.0.75 percent.

As of June 30, 2016, $1,050March 31, 2017, $315 of notes receivable, recorded in accounts and notes receivable, net, were pledged as collateral against outstanding borrowings under the Repurchase Facility of $1,000,$300, recorded in short-term borrowings and capital lease obligations.

In March 2016, the company entered into a credit agreement that provides for a three-year, senior unsecured term loan facility in the aggregate principal amount of $4,500 (the(as amended from time to time, the Term Loan Facility). In the first quarter of 2017, the Term Loan Facility was amended to extend the date on which the commitment to lend terminates. As a result, DuPont may make up to seven term loan borrowings within one year of the closing date andthrough July 27, 2018; amounts repaid or prepaid are not available for subsequent borrowings. The Term Loan Facility matures in March 2019 at which time all outstanding borrowings, including accrued but unpaid interest, become immediately due and payable.

In connection with acquisitions and divestitures as of June 30, 2016,March 31, 2017, the company has indemnified respective parties against certain liabilities that may arise in connection with these transactions and business activities prior to the completion of the transaction.transactions. The term of these indemnifications, which typically pertain to environmental, tax and product liabilities, is generally indefinite. In addition, the company indemnifies its duly elected or appointed directors and officers to the fullest extent permitted by Delaware law, against liabilities incurred as a result of their activities for the company, such as adverse judgments relating to litigation matters. If the indemnified party were to incur a liability or have a liability increase as a result of a successful claim, pursuant to the terms of the indemnification, the company would be required to reimburse the indemnified party. The maximum amount of potential future payments is generally unlimited.

Obligations for Equity Affiliates & Others 

The company assesses the payment/performance risk by assigning default rates based on the duration of the guarantees. These default rates are assigned based on the external credit rating of the counterparty or through internal credit analysis and historical default history for counterparties that do not have published credit ratings. For counterparties without an external rating or available credit history, a cumulative average default rate is used.

The company is subject to various legal proceedings arising out of the normal course of its business including product liability, intellectual property, commercial, environmental and antitrust lawsuits. It is not possible to predict the outcome of these various proceedings. Although considerable uncertainty exists, management does not anticipate that the ultimate disposition of these matters will have a material adverse effect on the company's results of operations, consolidated financial position or liquidity.  However, the ultimate liabilities could be material to results of operations in the period recognized.

DuPont used PFOA (collectively, perfluorooctanoic acids and its salts, including the ammonium salt), as a processing aid to manufacture some fluoropolymer resins at various sites around the world including its Washington Works plant in West Virginia. At March 31, 2017, DuPont has a total accrual balance of $686 related to the PFOA matters discussed below and has recorded a total indemnification asset of $350 from Chemours pursuant to the Separation Agreement discussed in Note 3 and the first quarter 2017 agreement between Chemours and DuPont.

Since 2006, DuPont has undertaken obligations under agreements with the U.S. Environmental Protection Agency (EPA), including a 2009 consent decree under the Safe Drinking Water Act (the Order), and voluntary commitments to the New Jersey Department of Environmental Protection (NJDEP).  These obligations and voluntary commitments include surveying, sampling and testing drinking water in and around certain company sites and offering treatment or an alternative supply of drinking water if tests indicate the presence of PFOA in drinking water at or greater than the national health advisory level, even if provisional, as established from time to time by EPA. A provisional health advisory level was set in 2009 at 0.4 parts per billion (ppb) for PFOA in drinking water considering episodic exposure. In May 2016, EPA announced a health advisory level of 0.07 ppb for PFOA in drinking water considering lifetime versus episodic exposure.

Environmental 

The company is also subject to contingencies pursuant to environmental laws and regulations that in the future may require the company to take further action to correct the effects on the environment of prior disposal practices or releases of chemical or petroleum substances by the company or other parties. The company accrues for environmental remediation activities consistent with the policy as described in the company's 20152016 Annual Report in Note 1, “Summary"Summary of Significant Accounting Policies.”" Much of this liability results from the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA, often referred to as Superfund), RCRAthe Resource Conservation and Recovery Act (RCRA) and similar state and global laws. These laws require the company to undertake certain investigative, remediation and restoration activities at sites where the company conducts or once conducted operations or at sites where company-generated waste was disposed. The accrual also includes estimated costs related to a number of sites identified by the company for which it is probable that environmental remediation will be required, but which are not currently the subject of enforcement activities.

Remediation activities vary substantially in duration and cost from site to site. These activities, and their associated costs, depend on the mix of unique site characteristics, evolving remediation technologies, diverse regulatory agencies and enforcement policies, as well as the presence or absence of potentially responsible parties. At June 30, 2016,March 31, 2017, the Condensed Consolidated Balance Sheet included a liability of $499,$487, relating to these matters and, in management's opinion, is appropriate based on existing facts and circumstances. The average time frame over which the accrued or presently unrecognized amounts may be paid, based on past history, is estimated to be 15-20 years. Considerable uncertainty exists with respect to these costs and, under adverse changes in circumstances, the potential liability may range up to $1,012$775 above the amount accrued as of June 30, 2016.March 31, 2017. Pursuant to the Separation Agreement discussed in Note 3, the company is indemnified by Chemours for certain environmental matters, included in the liability of $499,$487, that have an estimated liability of $287$265 as of June 30, 2016,March 31, 2017, and a potential exposure that ranges up to approximately $607$400 above the amount accrued. As such, the company has recorded an indemnification asset of $287$265 corresponding to the company’s accrual balance related to these matters at June 30, 2016.March 31, 2017.

The tax (expense) benefit on the first quarter 2015, DuPont announced its intentionnet activity related to buy back shareseach component of about $4,000 using the distribution proceeds received from Chemours. In connection with the completion of the spin-off of Chemours, the Board of Directors authorized the use of the distribution proceeds to buy back shares of the company's common stockother comprehensive income (loss) were as follows: $2,000 to be purchased and retired by December 31, 2015, which was completed during 2015, with the remainder to be purchased and retired by December 31, 2016. There were no share repurchases under this plan in the first and second quarter 2016. As a result of the planned merger with Dow, the company’s opportunity to repurchase shares was restricted until after the shareholder vote on the merger. The shareholder vote occurred on July 20, 2016. During the remainder of the year, the company will evaluate the opportunities to enter the market and plans to make repurchases; however, it is unlikely that the company will complete all of the remaining $2,000 stock buyback by year-end. As of June 30, 2016, in aggregate, the company has paid $2,000 and received and retired 35 million shares.