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AMT American Tower

Cover Cover

Cover CoverMay 05, 2021
Entity Information [Line Items]
Document Type8-K
Document Period End DateMay 5,
2021
Entity Registrant NameAMERICAN TOWER CORP /MA/
Entity Central Index Key0001053507
Amendment Flagfalse
Entity Incorporation, State or Country CodeDE
Entity File Number001-14195
Entity Tax Identification Number65-0723837
Entity Address, Address Line One116 Huntington Avenue
Entity Address, City or TownBoston
Entity Address, State or ProvinceMA
Entity Address, Postal Zip Code02116
City Area Code617
Local Phone Number375-7500
Written Communicationsfalse
Soliciting Materialfalse
Pre-commencement Tender Offerfalse
Pre-commencement Issuer Tender Offerfalse
Entity Emerging Growth Companyfalse
NEW YORK STOCK EXCHANGE, INC. | Common Stock
Entity Information [Line Items]
Title of 12(b) SecurityCommon Stock, $0.01 par value
Trading SymbolAMT
Security Exchange NameNYSE
NEW YORK STOCK EXCHANGE, INC. | 1.375% Senior Notes due 2025
Entity Information [Line Items]
Title of 12(b) Security1.375% Senior Notes due 2025
Trading SymbolAMT 25A
Security Exchange NameNYSE
NEW YORK STOCK EXCHANGE, INC. | 1.950% Senior Notes due 2026
Entity Information [Line Items]
Title of 12(b) Security1.950% Senior Notes due 2026
Trading SymbolAMT 26B
Security Exchange NameNYSE
NEW YORK STOCK EXCHANGE, INC. | Zero Point Five Zero Percent Senior Notes Due 2028 [Member]
Entity Information [Line Items]
Title of 12(b) Security0.500% Senior Notes due 2028
Trading SymbolAMT 28A
Security Exchange NameNYSE
NEW YORK STOCK EXCHANGE, INC. | One Point Zero Percent Senior Notes Due 2032
Entity Information [Line Items]
Title of 12(b) Security1.000% Senior Notes due 2032
Trading SymbolAMT 32
Security Exchange NameNYSE