10-Q Filing

AMERICAN TOWER CORP /MA/ CIK: 1053507 Q1 2019

Filing Information

Form Type	10-Q
Accession Number	`0001053507-19-000073`
Period End Date	20190331
Filing Date	20190503
Fiscal Year	2019
Fiscal Period	Q1
XBRL Instance	amt-20190331.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 95 Income Statement 50 Cash Flow Statement 80 Stockholders Equity 25 Comprehensive Income 26

Balance Sheet 95 line items

Line Item	Tag	Value	Unit	Period
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.13B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.00B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.21B	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	451.62M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	452.52M	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$96.20M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$94.90M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$153.50M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	441.97M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	441.06M	shares	Point-in-time
Short-term investments	`ShortTermInvestments`	-	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	10.56M	shares	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	10.56M	shares	Point-in-time
Short-term investments	`ShortTermInvestments`	$18.40M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$459.00M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$473.00M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$621.20M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$471.20M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.39B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.06B	USD	Point-in-time
PROPERTY AND EQUIPMENT, net	`PropertyPlantAndEquipmentNet`	$11.25B	USD	Point-in-time
PROPERTY AND EQUIPMENT, net	`PropertyPlantAndEquipmentNet`	$11.20B	USD	Point-in-time
GOODWILL	`Goodwill`	$5.54B	USD	Point-in-time
GOODWILL	`Goodwill`	$5.50B	USD	Point-in-time
OTHER INTANGIBLE ASSETS, net	`IntangibleAssetsNetExcludingGoodwill`	$11.04B	USD	Point-in-time
OTHER INTANGIBLE ASSETS, net	`IntangibleAssetsNetExcludingGoodwill`	$11.17B	USD	Point-in-time
DEFERRED TAX ASSET	`DeferredIncomeTaxAssetsNet`	$157.70M	USD	Point-in-time
DEFERRED TAX ASSET	`DeferredIncomeTaxAssetsNet`	$132.30M	USD	Point-in-time
DEFERRED RENT ASSET	`DeferredRentReceivablesNetNoncurrent`	$1.58B	USD	Point-in-time
DEFERRED RENT ASSET	`DeferredRentReceivablesNetNoncurrent`	$1.59B	USD	Point-in-time
RIGHT-OF-USE ASSET	`OperatingLeaseRightOfUseAsset`	-	USD	Point-in-time
RIGHT-OF-USE ASSET	`OperatingLeaseRightOfUseAsset`	$7.08B	USD	Point-in-time
NOTES RECEIVABLE AND OTHER NON-CURRENT ASSETS	`OtherAssetsNoncurrent`	$279.10M	USD	Point-in-time
NOTES RECEIVABLE AND OTHER NON-CURRENT ASSETS	`OtherAssetsNoncurrent`	$962.60M	USD	Point-in-time
TOTAL	`Assets`	$38.93B	USD	Point-in-time
TOTAL	`Assets`	$34.37B	USD	Point-in-time
TOTAL	`Assets`	$33.01B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$130.80M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$130.00M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$863.70M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$948.30M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrent`	$403.10M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrent`	$377.40M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$126.50M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$174.50M	USD	Point-in-time
Current portion of operating lease liability	`OperatingLeaseLiabilityCurrent`	$498.40M	USD	Point-in-time
Current portion of operating lease liability	`OperatingLeaseLiabilityCurrent`	-	USD	Point-in-time
Current portion of long-term obligations	`LongTermDebtCurrent`	$2.75B	USD	Point-in-time
Current portion of long-term obligations	`LongTermDebtCurrent`	$2.10B	USD	Point-in-time
Unearned revenue	`ContractWithCustomerLiabilityCurrent`	$304.10M	USD	Point-in-time
Unearned revenue	`ContractWithCustomerLiabilityCurrent`	$293.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$4.69B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$4.41B	USD	Point-in-time
LONG-TERM OBLIGATIONS	`LongTermDebtAndCapitalLeaseObligations`	$18.41B	USD	Point-in-time
LONG-TERM OBLIGATIONS	`LongTermDebtAndCapitalLeaseObligations`	$19.11B	USD	Point-in-time
OPERATING LEASE LIABILITY	`OperatingLeaseLiabilityNoncurrent`	$6.32B	USD	Point-in-time
OPERATING LEASE LIABILITY	`OperatingLeaseLiabilityNoncurrent`	-	USD	Point-in-time
ASSET RETIREMENT OBLIGATIONS	`AssetRetirementObligation`	$1.23B	USD	Point-in-time
ASSET RETIREMENT OBLIGATIONS	`AssetRetirementObligation`	$1.21B	USD	Point-in-time
DEFERRED TAX LIABILITY	`DeferredIncomeTaxLiabilitiesNet`	$510.80M	USD	Point-in-time
DEFERRED TAX LIABILITY	`DeferredIncomeTaxLiabilitiesNet`	$535.90M	USD	Point-in-time
OTHER NON-CURRENT LIABILITIES	`OtherLiabilitiesNoncurrent`	$864.40M	USD	Point-in-time
OTHER NON-CURRENT LIABILITIES	`OtherLiabilitiesNoncurrent`	$1.27B	USD	Point-in-time
Total liabilities	`Liabilities`	$32.44B	USD	Point-in-time
Total liabilities	`Liabilities`	$26.11B	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES	`CommitmentsAndContingencies`	-	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$1.07B	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$1.13B	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$589.00M	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$1.00B	USD	Point-in-time
Common stock: $.01 par value; 1,000,000 shares authorized; 452,525 and 451,617 shares issued; and 441,968 and 441,060 shares outstanding, respectively	`CommonStockValue`	$4.50M	USD	Point-in-time
Common stock: $.01 par value; 1,000,000 shares authorized; 452,525 and 451,617 shares issued; and 441,968 and 441,060 shares outstanding, respectively	`CommonStockValue`	$4.50M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$10.38B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$10.45B	USD	Point-in-time
Distributions in excess of earnings	`RetainedEarningsAccumulatedDeficit`	$-1.20B	USD	Point-in-time
Distributions in excess of earnings	`RetainedEarningsAccumulatedDeficit`	$-1.23B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-2.64B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-2.67B	USD	Point-in-time
Treasury stock (10,557 shares at cost)	`TreasuryStockValue`	$1.21B	USD	Point-in-time
Treasury stock (10,557 shares at cost)	`TreasuryStockValue`	$1.21B	USD	Point-in-time
Total American Tower Corporation equity	`StockholdersEquity`	$5.34B	USD	Point-in-time
Total American Tower Corporation equity	`StockholdersEquity`	$5.35B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$553.30M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$563.50M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.94B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.90B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.90B	USD	Point-in-time
TOTAL	`LiabilitiesAndStockholdersEquity`	$38.93B	USD	Point-in-time
TOTAL	`LiabilitiesAndStockholdersEquity`	$33.01B	USD	Point-in-time

Income Statement 50 line items

Line Item	Tag	Value	Unit	Period
Unrealized foreign currency gains (losses)	`ForeignCurrencyTransactionGainLossUnrealized`	$20.10M	USD	1 Quarter
Unrealized foreign currency gains (losses)	`ForeignCurrencyTransactionGainLossUnrealized`	$23.30M	USD	1 Quarter
Property	`OperatingLeaseLeaseIncome`	$1.71B	USD	1 Quarter
Property	`OperatingLeaseLeaseIncome`	$1.79B	USD	1 Quarter
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$27.40M	USD	1 Quarter
Services	`RevenueFromContractWithCustomerIncludingAssessedTax`	$31.40M	USD	1 Quarter
Total operating revenues	`Revenues`	$1.81B	USD	1 Quarter
Total operating revenues	`Revenues`	$1.74B	USD	1 Quarter
Property	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$533.00M	USD	1 Quarter
Property	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$507.40M	USD	1 Quarter
Services	`CostOfGoodsAndServicesSold`	$10.40M	USD	1 Quarter
Services	`CostOfGoodsAndServicesSold`	$12.50M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$446.30M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$436.90M	USD	1 Quarter
Selling, general, administrative and development expense	`SellingGeneralAndAdministrativeExpense`	$198.10M	USD	1 Quarter
Selling, general, administrative and development expense	`SellingGeneralAndAdministrativeExpense`	$204.90M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$167.80M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$20.10M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.20B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.34B	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$402.90M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$614.90M	USD	1 Quarter
Loss on retirement of long-term obligations	`GainsLossesOnExtinguishmentOfDebt`	$-100.00K	USD	1 Quarter
Loss on retirement of long-term obligations	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Other income (including foreign currency gains of $20.1 and $23.3, respectively)	`OtherNonoperatingIncomeExpense`	$27.80M	USD	1 Quarter
Other income (including foreign currency gains of $20.1 and $23.3, respectively)	`OtherNonoperatingIncomeExpense`	$21.90M	USD	1 Quarter
Total other expense	`NonoperatingIncomeExpense`	$-173.30M	USD	1 Quarter
Total other expense	`NonoperatingIncomeExpense`	$-153.70M	USD	1 Quarter
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$441.60M	USD	1 Quarter
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$249.20M	USD	1 Quarter
Income tax (provision) benefit	`IncomeTaxExpenseBenefit`	$34.00M	USD	1 Quarter
Income tax (provision) benefit	`IncomeTaxExpenseBenefit`	$-31.10M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$280.30M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$407.60M	USD	1 Quarter
Net (income) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.20M	USD	1 Quarter
Net (income) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-4.90M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION STOCKHOLDERS	`NetIncomeLoss`	$285.20M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION STOCKHOLDERS	`NetIncomeLoss`	$397.43M	USD	1 Quarter
Dividends on preferred stock	`PreferredStockDividendsIncomeStatementImpact`	$9.40M	USD	1 Quarter
Dividends on preferred stock	`PreferredStockDividendsIncomeStatementImpact`	-	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$397.43M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$275.80M	USD	1 Quarter
Basic net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.63	USD	1 Quarter
Basic net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.90	USD	1 Quarter
Diluted net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.63	USD	1 Quarter
Diluted net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.89	USD	1 Quarter
BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	441.35M	shares	1 Quarter
BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	435.12M	shares	1 Quarter
DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	444.62M	shares	1 Quarter
DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	438.52M	shares	1 Quarter

Cash Flow Statement 80 line items

Line Item	Tag	Value	Unit	Period
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	$4.70M	USD	1 Quarter
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	$300.00K	USD	1 Quarter
Net income	`ProfitLoss`	$280.30M	USD	1 Quarter
Net income	`ProfitLoss`	$407.60M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$446.30M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$436.90M	USD	1 Quarter
Amortization of operating leases	`OperatingLeaseExpenseOperatingActivities`	$152.60M	USD	1 Quarter
Amortization of operating leases	`OperatingLeaseExpenseOperatingActivities`	-	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$42.70M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$42.50M	USD	1 Quarter
Loss on early retirement of long-term obligations	`ExtinguishmentOfDebtGainLossNetOfTax`	-	USD	1 Quarter
Loss on early retirement of long-term obligations	`ExtinguishmentOfDebtGainLossNetOfTax`	$-100.00K	USD	1 Quarter
Other non-cash items reflected in statements of operations	`IncreaseDecreaseInOtherOperatingAssets`	$-28.90M	USD	1 Quarter
Other non-cash items reflected in statements of operations	`IncreaseDecreaseInOtherOperatingAssets`	$-96.80M	USD	1 Quarter
Increase in net deferred rent balances	`StraightLineRent`	$3.90M	USD	1 Quarter
Increase in net deferred rent balances	`StraightLineRent`	$5.30M	USD	1 Quarter
Reduction in operating lease liability	`IncreaseDecreaseInOperatingLeaseLiability`	-	USD	1 Quarter
Reduction in operating lease liability	`IncreaseDecreaseInOperatingLeaseLiability`	$-132.40M	USD	1 Quarter
Increase in assets	`IncreaseDecreaseInOperatingAssets`	$95.40M	USD	1 Quarter
Increase in assets	`IncreaseDecreaseInOperatingAssets`	$33.00M	USD	1 Quarter
(Decrease) increase in liabilities	`IncreaseDecreaseInOperatingLiabilities`	$25.00M	USD	1 Quarter
(Decrease) increase in liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-112.80M	USD	1 Quarter
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$791.80M	USD	1 Quarter
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$785.10M	USD	1 Quarter
Payments for purchase of property and equipment and construction activities	`PaymentsToAcquireProductiveAssets`	$220.80M	USD	1 Quarter
Payments for purchase of property and equipment and construction activities	`PaymentsToAcquireProductiveAssets`	$198.50M	USD	1 Quarter
Payments for acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$673.40M	USD	1 Quarter
Payments for acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$91.10M	USD	1 Quarter
Proceeds from sale of short-term investments and other non-current assets	`ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets`	$254.90M	USD	1 Quarter
Proceeds from sale of short-term investments and other non-current assets	`ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets`	$84.00M	USD	1 Quarter
Payments for short-term investments	`PaymentsToAcquireShortTermInvestments`	$261.50M	USD	1 Quarter
Payments for short-term investments	`PaymentsToAcquireShortTermInvestments`	$478.10M	USD	1 Quarter
Deposits and other	`PaymentsForProceedsFromOtherInvestingActivities`	$4.80M	USD	1 Quarter
Deposits and other	`PaymentsForProceedsFromOtherInvestingActivities`	$14.60M	USD	1 Quarter
Cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-323.30M	USD	1 Quarter
Cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.28B	USD	1 Quarter
Borrowings under credit facilities	`ProceedsFromLinesOfCredit`	$1.70B	USD	1 Quarter
Borrowings under credit facilities	`ProceedsFromLinesOfCredit`	$1.75B	USD	1 Quarter
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$1.24B	USD	1 Quarter
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	-	USD	1 Quarter
Proceeds from term loan	`ProceedsFromIssuanceOfUnsecuredDebt`	$1.50B	USD	1 Quarter
Proceeds from term loan	`ProceedsFromIssuanceOfUnsecuredDebt`	$1.30B	USD	1 Quarter
Proceeds from issuance of securities in securitization transaction	`ProceedsFromIssuanceOfSecuredDebt`	-	USD	1 Quarter
Proceeds from issuance of securities in securitization transaction	`ProceedsFromIssuanceOfSecuredDebt`	$500.00M	USD	1 Quarter
Repayments of notes payable, credit facilities, senior notes, secured debt, term loan, finance leases and capital leases	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$2.58B	USD	1 Quarter
Repayments of notes payable, credit facilities, senior notes, secured debt, term loan, finance leases and capital leases	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$4.03B	USD	1 Quarter
Distributions to noncontrolling interest holders, net	`ProceedsFromPaymentsToMinorityShareholders`	$-300.00K	USD	1 Quarter
Distributions to noncontrolling interest holders, net	`ProceedsFromPaymentsToMinorityShareholders`	$-13.80M	USD	1 Quarter
Proceeds from stock options	`ProceedsFromIssuanceOrSaleOfEquity`	$20.00M	USD	1 Quarter
Proceeds from stock options	`ProceedsFromIssuanceOrSaleOfEquity`	$27.20M	USD	1 Quarter
Distributions paid on common stock	`PaymentsOfDividendsCommonStock`	$377.10M	USD	1 Quarter
Distributions paid on common stock	`PaymentsOfDividendsCommonStock`	$304.30M	USD	1 Quarter
Distributions paid on preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	-	USD	1 Quarter
Distributions paid on preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$18.90M	USD	1 Quarter
Deferred financing costs and other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-42.60M	USD	1 Quarter
Deferred financing costs and other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-76.70M	USD	1 Quarter
Purchase of redeemable noncontrolling interest	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	1 Quarter
Purchase of redeemable noncontrolling interest	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	$425.70M	USD	1 Quarter
Cash (used for) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-650.40M	USD	1 Quarter
Cash (used for) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$817.30M	USD	1 Quarter
Net effect of changes in foreign currency exchange rates on cash and cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-16.60M	USD	1 Quarter
Net effect of changes in foreign currency exchange rates on cash and cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-4.50M	USD	1 Quarter
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-205.20M	USD	1 Quarter
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$324.00M	USD	1 Quarter
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.10B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$954.90M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.28B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.30B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.10B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$954.90M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.28B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.30B	USD	Point-in-time
CASH PAID FOR INCOME TAXES (NET OF REFUNDS OF $0.3 AND $4.7, RESPECTIVELY)	`IncomeTaxesPaidNet`	$24.70M	USD	1 Quarter
CASH PAID FOR INCOME TAXES (NET OF REFUNDS OF $0.3 AND $4.7, RESPECTIVELY)	`IncomeTaxesPaidNet`	$36.90M	USD	1 Quarter
CASH PAID FOR INTEREST	`InterestPaidNet`	$228.60M	USD	1 Quarter
CASH PAID FOR INTEREST	`InterestPaidNet`	$249.00M	USD	1 Quarter
Decrease in accounts payable and accrued expenses for purchases of property and equipment and construction activities	`TransfersToAccountsPayableAndAccruedExpensesCapitalExpenditures`	$17.70M	USD	1 Quarter
Decrease in accounts payable and accrued expenses for purchases of property and equipment and construction activities	`TransfersToAccountsPayableAndAccruedExpensesCapitalExpenditures`	$29.30M	USD	1 Quarter
Purchases of property and equipment under finance leases, perpetual easements and capital leases	`CapitalLeaseObligationsIncurred`	$9.70M	USD	1 Quarter
Purchases of property and equipment under finance leases, perpetual easements and capital leases	`CapitalLeaseObligationsIncurred`	$16.00M	USD	1 Quarter

Stockholders Equity 25 line items

Line Item	Tag	Value	Unit	Period
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.94B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.90B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.90B	USD	Point-in-time
Stock-based compensation related activity	`StockIssuedDuringPeriodValueShareBasedCompensation`	$27.30M	USD	1 Quarter
Stock-based compensation related activity	`StockIssuedDuringPeriodValueShareBasedCompensation`	$14.70M	USD	1 Quarter
Changes in fair value of cash flow hedges, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-100.00K	USD	1 Quarter
Changes in fair value of cash flow hedges, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	1 Quarter
Reclassification of unrealized losses on cash flow hedges to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-100.00K	USD	1 Quarter
Reclassification of unrealized losses on cash flow hedges to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-100.00K	USD	1 Quarter
Foreign currency translation adjustment, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital`	$79.90M	USD	1 Quarter
Foreign currency translation adjustment, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital`	$3.00M	USD	1 Quarter
Adjustment to redeemable noncontrolling interest	`NoncontrollingInterestIncreaseFromBusinessCombination`	$28.10M	USD	1 Quarter
Distributions to noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$300.00K	USD	1 Quarter
Distributions to noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$300.00K	USD	1 Quarter
Purchase of redeemable noncontrolling interest	`MinorityInterestDecreaseFromRedemptions`	-	USD	1 Quarter
Purchase of redeemable noncontrolling interest	`MinorityInterestDecreaseFromRedemptions`	$425.70M	USD	1 Quarter
Common stock distributions declared	`DividendsCommonStockCash`	$399.60M	USD	1 Quarter
Preferred stock dividends declared	`DividendsPreferredStockCash`	$18.90M	USD	1 Quarter
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$290.90M	USD	1 Quarter
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$407.60M	USD	1 Quarter
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.94B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.90B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.90B	USD	Point-in-time

Comprehensive Income 26 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$280.30M	USD	1 Quarter
Changes in fair value of cash flow hedges, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	1 Quarter
Net income	`ProfitLoss`	$407.60M	USD	1 Quarter
Changes in fair value of cash flow hedges, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	1 Quarter
Reclassification of unrealized gains on cash flow hedges to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	1 Quarter
Reclassification of unrealized gains on cash flow hedges to net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	1 Quarter
Changes in fair value of cash flow hedges, each net of tax expense of $0	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-100.00K	USD	1 Quarter
Foreign currency translation adjustments, tax expense (benefit)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$1.00M	USD	1 Quarter
Foreign currency translation adjustments, tax expense (benefit)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$1.60M	USD	1 Quarter
Changes in fair value of cash flow hedges, each net of tax expense of $0	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	1 Quarter
Reclassification of unrealized losses on cash flow hedges to net income, each net of tax expense of $0	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-100.00K	USD	1 Quarter
Reclassification of unrealized losses on cash flow hedges to net income, each net of tax expense of $0	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-100.00K	USD	1 Quarter
Adjustment to redeemable noncontrolling interest	`OtherComprehensiveIncomeLossRedeemableNoncontrollingInterestAdjustmentNetOfTax`	-	USD	1 Quarter
Adjustment to redeemable noncontrolling interest	`OtherComprehensiveIncomeLossRedeemableNoncontrollingInterestAdjustmentNetOfTax`	$78.80M	USD	1 Quarter
Foreign currency translation adjustments, net of tax expense of $1.0 and $1.6, respectively	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$12.90M	USD	1 Quarter
Foreign currency translation adjustments, net of tax expense of $1.0 and $1.6, respectively	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$57.60M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$12.90M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$136.50M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$420.50M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$416.80M	USD	1 Quarter
Allocation of accumulated other comprehensive income resulting from purchase of redeemable noncontrolling interest	`OtherComprehensiveIncomeLossPurchaseOfNoncontrollingInterestNetOfTax`	$-52.40M	USD	1 Quarter
Allocation of accumulated other comprehensive income resulting from purchase of redeemable noncontrolling interest	`OtherComprehensiveIncomeLossPurchaseOfNoncontrollingInterestNetOfTax`	-	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-12.10M	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Comprehensive income attributable to American Tower Corporation stockholders	`ComprehensiveIncomeNetOfTax`	$368.10M	USD	1 Quarter
Comprehensive income attributable to American Tower Corporation stockholders	`ComprehensiveIncomeNetOfTax`	$428.90M	USD	1 Quarter

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.