10-Q Filing

AMERICAN TOWER CORP /MA/ CIK: 1053507 Q1 2020

Filing Information

Form Type	10-Q
Accession Number	`0001053507-20-000093`
Period End Date	20200331
Filing Date	20200429
Fiscal Year	2020
Fiscal Period	Q1
XBRL Instance	amt-20200331_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 93 Income Statement 48 Cash Flow Statement 82 Stockholders Equity 26 Comprehensive Income 24

Balance Sheet 93 line items

Line Item	Tag	Value	Unit	Period
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.50B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.33B	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	454,196.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.00B	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	453,541.00	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$74.30M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	442,890.00	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$94.90M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	443,332.00	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$76.80M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$462.20M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$623.90M	USD	Point-in-time
Treasury stock, shares (in shares)	`TreasuryStockShares`	10,864.00	shares	Point-in-time
Treasury stock, shares (in shares)	`TreasuryStockShares`	10,651.00	shares	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$513.60M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$480.70M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.55B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.50B	USD	Point-in-time
PROPERTY AND EQUIPMENT, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$11.45B	USD	Point-in-time
PROPERTY AND EQUIPMENT, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$12.08B	USD	Point-in-time
GOODWILL	`Goodwill`	$6.18B	USD	Point-in-time
GOODWILL	`Goodwill`	$5.95B	USD	Point-in-time
OTHER INTANGIBLE ASSETS, net	`IntangibleAssetsNetExcludingGoodwill`	$12.32B	USD	Point-in-time
OTHER INTANGIBLE ASSETS, net	`IntangibleAssetsNetExcludingGoodwill`	$11.60B	USD	Point-in-time
DEFERRED TAX ASSET	`DeferredIncomeTaxAssetsNet`	$126.40M	USD	Point-in-time
DEFERRED TAX ASSET	`DeferredIncomeTaxAssetsNet`	$131.80M	USD	Point-in-time
DEFERRED RENT ASSET	`DeferredRentReceivablesNetNoncurrent`	$1.77B	USD	Point-in-time
DEFERRED RENT ASSET	`DeferredRentReceivablesNetNoncurrent`	$1.78B	USD	Point-in-time
RIGHT-OF-USE ASSET	`OperatingLeaseRightOfUseAsset`	$7.36B	USD	Point-in-time
RIGHT-OF-USE ASSET	`OperatingLeaseRightOfUseAsset`	$6.97B	USD	Point-in-time
NOTES RECEIVABLE AND OTHER NON-CURRENT ASSETS	`OtherAssetsNoncurrent`	$407.00M	USD	Point-in-time
NOTES RECEIVABLE AND OTHER NON-CURRENT ASSETS	`OtherAssetsNoncurrent`	$406.40M	USD	Point-in-time
TOTAL	`Assets`	$40.79B	USD	Point-in-time
TOTAL	`Assets`	$38.93B	USD	Point-in-time
TOTAL	`Assets`	$42.80B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$120.60M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$148.10M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$958.20M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$876.40M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrent`	$483.90M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrent`	$455.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$209.40M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$148.20M	USD	Point-in-time
Current portion of operating lease liability	`OperatingLeaseLiabilityCurrent`	$476.80M	USD	Point-in-time
Current portion of operating lease liability	`OperatingLeaseLiabilityCurrent`	$494.50M	USD	Point-in-time
Current portion of long-term obligations	`LongTermDebtCurrent`	$2.93B	USD	Point-in-time
Current portion of long-term obligations	`LongTermDebtCurrent`	$2.64B	USD	Point-in-time
Unearned revenue	`ContractWithCustomerLiabilityCurrent`	$294.30M	USD	Point-in-time
Unearned revenue	`ContractWithCustomerLiabilityCurrent`	$408.50M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$5.49B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$5.15B	USD	Point-in-time
LONG-TERM OBLIGATIONS	`LongTermDebtAndCapitalLeaseObligations`	$21.94B	USD	Point-in-time
LONG-TERM OBLIGATIONS	`LongTermDebtAndCapitalLeaseObligations`	$21.13B	USD	Point-in-time
OPERATING LEASE LIABILITY	`OperatingLeaseLiabilityNoncurrent`	$6.51B	USD	Point-in-time
OPERATING LEASE LIABILITY	`OperatingLeaseLiabilityNoncurrent`	$6.14B	USD	Point-in-time
ASSET RETIREMENT OBLIGATIONS	`AssetRetirementObligation`	$1.38B	USD	Point-in-time
ASSET RETIREMENT OBLIGATIONS	`AssetRetirementObligation`	$1.32B	USD	Point-in-time
DEFERRED TAX LIABILITY	`DeferredIncomeTaxLiabilitiesNet`	$731.00M	USD	Point-in-time
DEFERRED TAX LIABILITY	`DeferredIncomeTaxLiabilitiesNet`	$768.30M	USD	Point-in-time
OTHER NON-CURRENT LIABILITIES	`OtherLiabilitiesNoncurrent`	$901.00M	USD	Point-in-time
OTHER NON-CURRENT LIABILITIES	`OtherLiabilitiesNoncurrent`	$937.00M	USD	Point-in-time
Total liabilities	`Liabilities`	$36.18B	USD	Point-in-time
Total liabilities	`Liabilities`	$36.21B	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES	`CommitmentsAndContingencies`	-	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$589.00M	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$541.40M	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$1.10B	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$1.00B	USD	Point-in-time
Common stock: $.01 par value; 1,000,000 shares authorized; 454,196 and 453,541 shares issued; and 443,332 and 442,890 shares outstanding, respectively	`CommonStockValue`	$4.50M	USD	Point-in-time
Common stock: $.01 par value; 1,000,000 shares authorized; 454,196 and 453,541 shares issued; and 443,332 and 442,890 shares outstanding, respectively	`CommonStockValue`	$4.50M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$10.26B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$10.12B	USD	Point-in-time
Distributions in excess of earnings	`RetainedEarningsAccumulatedDeficit`	$-1.02B	USD	Point-in-time
Distributions in excess of earnings	`RetainedEarningsAccumulatedDeficit`	$-1.08B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-2.82B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.27B	USD	Point-in-time
Treasury stock (10,864 and 10,651 shares at cost, respectively)	`TreasuryStockValue`	$1.27B	USD	Point-in-time
Treasury stock (10,864 and 10,651 shares at cost, respectively)	`TreasuryStockValue`	$1.23B	USD	Point-in-time
Total American Tower Corporation equity	`StockholdersEquity`	$3.63B	USD	Point-in-time
Total American Tower Corporation equity	`StockholdersEquity`	$5.06B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$435.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$430.20M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.06B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.49B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.90B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.90B	USD	Point-in-time
TOTAL	`LiabilitiesAndStockholdersEquity`	$42.80B	USD	Point-in-time
TOTAL	`LiabilitiesAndStockholdersEquity`	$40.79B	USD	Point-in-time

Income Statement 48 line items

Line Item	Tag	Value	Unit	Period
Foreign currency (losses) gains	`ForeignCurrencyTransactionGainLossUnrealized`	$-65.50M	USD	1 Quarter
Foreign currency (losses) gains	`ForeignCurrencyTransactionGainLossUnrealized`	$20.10M	USD	1 Quarter
Total operating revenues	`Revenues`	$1.99B	USD	1 Quarter
Total operating revenues	`Revenues`	$1.81B	USD	1 Quarter
Property	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$544.10M	USD	1 Quarter
Property	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$533.00M	USD	1 Quarter
Services	`CostOfGoodsAndServicesSold`	$7.90M	USD	1 Quarter
Services	`CostOfGoodsAndServicesSold`	$10.40M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$436.90M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$472.30M	USD	1 Quarter
Selling, general, administrative and development expense	`SellingGeneralAndAdministrativeExpense`	$198.10M	USD	1 Quarter
Selling, general, administrative and development expense	`SellingGeneralAndAdministrativeExpense`	$217.80M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$20.10M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$14.20M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.20B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.26B	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$736.80M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$614.90M	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$10.10M	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$12.40M	USD	1 Quarter
Interest expense	`InterestExpense`	$208.80M	USD	1 Quarter
Interest expense	`InterestExpense`	$207.50M	USD	1 Quarter
Loss on retirement of long-term obligations	`GainsLossesOnExtinguishmentOfDebt`	$-100.00K	USD	1 Quarter
Loss on retirement of long-term obligations	`GainsLossesOnExtinguishmentOfDebt`	$-34.60M	USD	1 Quarter
Other (expense) income (including foreign currency (losses) gains of $(65.5) and $20.1, respectively)	`OtherNonoperatingIncomeExpense`	$21.90M	USD	1 Quarter
Other (expense) income (including foreign currency (losses) gains of $(65.5) and $20.1, respectively)	`OtherNonoperatingIncomeExpense`	$-63.80M	USD	1 Quarter
Total other expense	`NonoperatingIncomeExpense`	$-173.30M	USD	1 Quarter
Total other expense	`NonoperatingIncomeExpense`	$-297.10M	USD	1 Quarter
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$441.60M	USD	1 Quarter
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$439.70M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$34.00M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$21.10M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$418.60M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$407.60M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.60M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.20M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION STOCKHOLDERS	`NetIncomeLoss`	$415.00M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION STOCKHOLDERS	`NetIncomeLoss`	$397.40M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$397.40M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$415.00M	USD	1 Quarter
Basic net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.90	USD	1 Quarter
Basic net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.94	USD	1 Quarter
Diluted net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.89	USD	1 Quarter
Diluted net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.93	USD	1 Quarter
BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	443.06M	shares	1 Quarter
BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	441.35M	shares	1 Quarter
DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	444.62M	shares	1 Quarter
DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	445.83M	shares	1 Quarter

Cash Flow Statement 82 line items

Line Item	Tag	Value	Unit	Period
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	$100.00K	USD	1 Quarter
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	$300.00K	USD	1 Quarter
Net income	`ProfitLoss`	$418.60M	USD	1 Quarter
Net income	`ProfitLoss`	$407.60M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$436.90M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$472.30M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$47.70M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$42.50M	USD	1 Quarter
Loss on early retirement of long-term obligations	`ExtinguishmentOfDebtGainLossNetOfTax`	$-100.00K	USD	1 Quarter
Loss on early retirement of long-term obligations	`ExtinguishmentOfDebtGainLossNetOfTax`	$-34.60M	USD	1 Quarter
Other Noncash Income (Expense)	`OtherNoncashIncomeExpense`	$-28.90M	USD	1 Quarter
Other Noncash Income (Expense)	`OtherNoncashIncomeExpense`	$-81.60M	USD	1 Quarter
Increase in net deferred rent balances	`StraightLineRent`	$5.30M	USD	1 Quarter
Increase in net deferred rent balances	`StraightLineRent`	$56.20M	USD	1 Quarter
Right-of-use asset and Operating lease liability, net	`IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability`	$-20.20M	USD	1 Quarter
Right-of-use asset and Operating lease liability, net	`IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability`	$-1.00M	USD	1 Quarter
Increase in assets	`IncreaseDecreaseInOperatingAssets`	$33.00M	USD	1 Quarter
Increase in assets	`IncreaseDecreaseInOperatingAssets`	$210.80M	USD	1 Quarter
Increase (decrease) in liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-112.80M	USD	1 Quarter
Increase (decrease) in liabilities	`IncreaseDecreaseInOperatingLiabilities`	$11.20M	USD	1 Quarter
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$800.00M	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`	$214.40M	USD	1 Quarter
Payments for acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$91.10M	USD	1 Quarter
Payments for acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$49.30M	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`	$5.80M	USD	1 Quarter
Payments for short-term investments	`PaymentsToAcquireShortTermInvestments`	-	USD	1 Quarter
Payments for short-term investments	`PaymentsToAcquireShortTermInvestments`	$261.50M	USD	1 Quarter
Deposits and other	`PaymentsForProceedsFromOtherInvestingActivities`	$4.80M	USD	1 Quarter
Deposits and other	`PaymentsForProceedsFromOtherInvestingActivities`	$-4.50M	USD	1 Quarter
Cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-323.30M	USD	1 Quarter
Cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-253.40M	USD	1 Quarter
Borrowings under credit facilities	`ProceedsFromLinesOfCredit`	$1.70B	USD	1 Quarter
Borrowings under credit facilities	`ProceedsFromLinesOfCredit`	$2.64B	USD	1 Quarter
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$1.50B	USD	1 Quarter
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$1.24B	USD	1 Quarter
Proceeds from term loan	`ProceedsFromIssuanceOfUnsecuredDebt`	$1.30B	USD	1 Quarter
Proceeds from term loan	`ProceedsFromIssuanceOfUnsecuredDebt`	$750.00M	USD	1 Quarter
Repayments of notes payable, credit facilities, senior notes, secured debt, term loan and finance leases	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$4.35B	USD	1 Quarter
Repayments of notes payable, credit facilities, senior notes, secured debt, term loan and finance leases	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$4.03B	USD	1 Quarter
Distributions to noncontrolling interest holders, net	`ProceedsFromPaymentsToMinorityShareholders`	$-13.80M	USD	1 Quarter
Distributions to noncontrolling interest holders, net	`ProceedsFromPaymentsToMinorityShareholders`	$-13.50M	USD	1 Quarter
Purchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$39.70M	USD	1 Quarter
Purchases of common stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	1 Quarter
Proceeds from stock options	`ProceedsFromIssuanceOrSaleOfEquity`	$11.10M	USD	1 Quarter
Proceeds from stock options	`ProceedsFromIssuanceOrSaleOfEquity`	$27.20M	USD	1 Quarter
Distributions paid on common stock	`PaymentsOfDividendsCommonStock`	$454.90M	USD	1 Quarter
Distributions paid on common stock	`PaymentsOfDividendsCommonStock`	$377.10M	USD	1 Quarter
Payment for early retirement of long-term obligations	`PaymentsOfDebtExtinguishmentCosts`	-	USD	1 Quarter
Payment for early retirement of long-term obligations	`PaymentsOfDebtExtinguishmentCosts`	$33.50M	USD	1 Quarter
Deferred financing costs and other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-76.70M	USD	1 Quarter
Deferred financing costs and other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-88.20M	USD	1 Quarter
Payments for Repurchase of Redeemable Noncontrolling Interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	29.40B	INR	Annual
Payments for Repurchase of Redeemable Noncontrolling Interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	$524.40M	USD	1 Quarter
Payments for Repurchase of Redeemable Noncontrolling Interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	$425.70M	USD	1 Quarter
Payments for Repurchase of Redeemable Noncontrolling Interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	$425.70M	USD	Annual
Cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-650.40M	USD	1 Quarter
Cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-606.00M	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`	$-118.30M	USD	1 Quarter
NET DECREASE IN CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-177.70M	USD	1 Quarter
NET DECREASE IN CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-205.20M	USD	1 Quarter
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.40B	USD	Point-in-time
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`	$1.58B	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`	$1.40B	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`	$1.58B	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 $0.1 AND $0.3, RESPECTIVELY)	`IncomeTaxesPaidNet`	$35.10M	USD	1 Quarter
CASH PAID FOR INCOME TAXES (NET OF REFUNDS OF $0.1 AND $0.3, RESPECTIVELY)	`IncomeTaxesPaidNet`	$36.90M	USD	1 Quarter
CASH PAID FOR INTEREST	`InterestPaidNet`	$249.00M	USD	1 Quarter
CASH PAID FOR INTEREST	`InterestPaidNet`	$262.00M	USD	1 Quarter
Purchases of property and equipment under finance leases and perpetual easements	`CapitalLeaseObligationsIncurred`	$16.00M	USD	1 Quarter
Purchases of property and equipment under finance leases and perpetual easements	`CapitalLeaseObligationsIncurred`	$13.10M	USD	1 Quarter
Decrease in accounts payable and accrued expenses for purchases of property and equipment and construction activities	`TransfersToAccountsPayableAndAccruedExpensesCapitalExpenditures`	$15.00M	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
Settlement of third-party debt	`NotesReduction`	-	USD	1 Quarter
Settlement of third-party debt	`NotesReduction`	$5.00M	USD	1 Quarter

Stockholders Equity 26 line items

Line Item	Tag	Value	Unit	Period
BEGINNING BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.06B	USD	Point-in-time
BEGINNING BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.49B	USD	Point-in-time
BEGINNING BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.90B	USD	Point-in-time
BEGINNING BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.90B	USD	Point-in-time
Stock-based compensation related activity	`StockIssuedDuringPeriodValueShareBasedCompensation`	$-4.30M	USD	1 Quarter
Stock-based compensation related activity	`StockIssuedDuringPeriodValueShareBasedCompensation`	$14.70M	USD	1 Quarter
Treasury stock activity (shares)	`TreasuryStockSharesAcquired`	213,352.00	shares	1 Quarter
Treasury stock activity	`TreasuryStockValueAcquiredCostMethod`	$45.10M	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`	-	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`	$3.00M	USD	1 Quarter
Foreign currency translation adjustment, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital`	$-1.31B	USD	1 Quarter
Distributions to noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$1.50M	USD	1 Quarter
Distributions to noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$300.00K	USD	1 Quarter
Purchase of redeemable noncontrolling interest	`AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock`	-	USD	1 Quarter
Purchase of redeemable noncontrolling interest	`AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock`	-	USD	1 Quarter
Common stock distributions declared	`DividendsCommonStockCash`	$480.70M	USD	1 Quarter
Common stock distributions declared	`DividendsCommonStockCash`	$399.60M	USD	1 Quarter
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$407.60M	USD	1 Quarter
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$417.20M	USD	1 Quarter
ENDING BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.06B	USD	Point-in-time
ENDING BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.49B	USD	Point-in-time
ENDING BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.90B	USD	Point-in-time
ENDING BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.90B	USD	Point-in-time

Comprehensive Income 24 line items

Line Item	Tag	Value	Unit	Period
Changes in fair value of cash flow hedges, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	1 Quarter
Net income	`ProfitLoss`	$418.60M	USD	1 Quarter
Changes in fair value of cash flow hedges, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	1 Quarter
Net income	`ProfitLoss`	$407.60M	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
Foreign currency translation adjustments, tax expense (benefit)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	-	USD	1 Quarter
Changes in fair value of cash flow hedges, each net of tax expense of $0	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-100.00K	USD	1 Quarter
Changes in fair value of cash flow hedges, each net of tax expense of $0	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	1 Quarter
Foreign currency translation adjustments, tax expense (benefit)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$1.00M	USD	1 Quarter
Reclassification of unrealized losses on cash flow hedges to net income, each net of tax expense of $0	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	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
Foreign currency translation adjustments, net of tax (benefit) expense of ($0.0) and $1.0, respectively	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$12.90M	USD	1 Quarter
Foreign currency translation adjustments, net of tax (benefit) expense of ($0.0) and $1.0, respectively	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-1.34B	USD	1 Quarter
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTax`	$-1.34B	USD	1 Quarter
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTax`	$12.90M	USD	1 Quarter
Comprehensive (loss) income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-924.90M	USD	1 Quarter
Comprehensive (loss) income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$420.50M	USD	1 Quarter
Allocation of accumulated other comprehensive income resulting from purchase of noncontrolling interest and redeemable noncontrolling interest	`ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest`	$52.40M	USD	1 Quarter
Allocation of accumulated other comprehensive income resulting from purchase of noncontrolling interest and redeemable noncontrolling interest	`ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest`	$142.20M	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest`	-	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest`	$-34.00M	USD	1 Quarter
Comprehensive (loss) income attributable to American Tower Corporation stockholders	`ComprehensiveIncomeNetOfTax`	$-1.03B	USD	1 Quarter
Comprehensive (loss) income attributable to American Tower Corporation stockholders	`ComprehensiveIncomeNetOfTax`	$368.10M	USD	1 Quarter

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