10-Q Filing

AMERICAN TOWER CORP /MA/ CIK: 1053507 Q1 2022

Filing Information

Form Type	10-Q
Accession Number	`0001053507-22-000068`
Period End Date	20220331
Filing Date	20220427
Fiscal Year	2022
Fiscal Period	Q1
XBRL Instance	amt-20220331_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 89 Income Statement 44 Cash Flow Statement 74 Stockholders Equity 22 Comprehensive Income 24

Balance Sheet 89 line items

Line Item	Tag	Value	Unit	Period
Common stock, par value (in usd per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in usd per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.91B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.94B	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	466.69M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.95B	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	467.19M	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$329.90M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$79.70M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	455.77M	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$393.40M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	456.28M	shares	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$728.90M	USD	Point-in-time
Treasury stock, shares (in shares)	`TreasuryStockShares`	10.91M	shares	Point-in-time
Treasury stock, shares (in shares)	`TreasuryStockShares`	10.91M	shares	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$820.40M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$657.20M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$700.10M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$3.73B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$3.79B	USD	Point-in-time
PROPERTY AND EQUIPMENT, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$19.78B	USD	Point-in-time
PROPERTY AND EQUIPMENT, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$19.92B	USD	Point-in-time
GOODWILL	`Goodwill`	$13.31B	USD	Point-in-time
GOODWILL	`Goodwill`	$13.35B	USD	Point-in-time
OTHER INTANGIBLE ASSETS, net	`IntangibleAssetsNetExcludingGoodwill`	$20.22B	USD	Point-in-time
OTHER INTANGIBLE ASSETS, net	`IntangibleAssetsNetExcludingGoodwill`	$20.73B	USD	Point-in-time
DEFERRED TAX ASSET	`DeferredIncomeTaxAssetsNet`	$179.20M	USD	Point-in-time
DEFERRED TAX ASSET	`DeferredIncomeTaxAssetsNet`	$131.60M	USD	Point-in-time
DEFERRED RENT ASSET	`DeferredRentReceivablesNetNoncurrent`	$2.54B	USD	Point-in-time
DEFERRED RENT ASSET	`DeferredRentReceivablesNetNoncurrent`	$2.65B	USD	Point-in-time
RIGHT-OF-USE ASSET	`OperatingLeaseRightOfUseAsset`	$9.23B	USD	Point-in-time
RIGHT-OF-USE ASSET	`OperatingLeaseRightOfUseAsset`	$9.27B	USD	Point-in-time
NOTES RECEIVABLE AND OTHER NON-CURRENT ASSETS	`OtherAssetsNoncurrent`	$400.90M	USD	Point-in-time
NOTES RECEIVABLE AND OTHER NON-CURRENT ASSETS	`OtherAssetsNoncurrent`	$423.80M	USD	Point-in-time
TOTAL	`Assets`	$69.76B	USD	Point-in-time
TOTAL	`Assets`	$69.89B	USD	Point-in-time
TOTAL	`Assets`	$46.94B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$215.40M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$272.40M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$1.41B	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$1.19B	USD	Point-in-time
Distributions payable	`DividendsPayableCurrent`	$642.10M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrent`	$644.50M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$254.70M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$195.60M	USD	Point-in-time
Current portion of operating lease liability	`OperatingLeaseLiabilityCurrent`	$712.60M	USD	Point-in-time
Current portion of operating lease liability	`OperatingLeaseLiabilityCurrent`	$731.40M	USD	Point-in-time
Current portion of long-term obligations	`LongTermDebtCurrent`	$5.31B	USD	Point-in-time
Current portion of long-term obligations	`LongTermDebtCurrent`	$4.57B	USD	Point-in-time
Unearned revenue	`ContractWithCustomerLiabilityCurrent`	$1.20B	USD	Point-in-time
Unearned revenue	`ContractWithCustomerLiabilityCurrent`	$1.02B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$9.30B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$9.07B	USD	Point-in-time
LONG-TERM OBLIGATIONS	`LongTermDebtAndCapitalLeaseObligations`	$38.69B	USD	Point-in-time
LONG-TERM OBLIGATIONS	`LongTermDebtAndCapitalLeaseObligations`	$38.15B	USD	Point-in-time
OPERATING LEASE LIABILITY	`OperatingLeaseLiabilityNoncurrent`	$8.03B	USD	Point-in-time
OPERATING LEASE LIABILITY	`OperatingLeaseLiabilityNoncurrent`	$8.04B	USD	Point-in-time
ASSET RETIREMENT OBLIGATIONS	`AssetRetirementObligation`	$2.06B	USD	Point-in-time
ASSET RETIREMENT OBLIGATIONS	`AssetRetirementObligation`	$2.00B	USD	Point-in-time
DEFERRED TAX LIABILITY	`DeferredIncomeTaxLiabilitiesNet`	$1.79B	USD	Point-in-time
DEFERRED TAX LIABILITY	`DeferredIncomeTaxLiabilitiesNet`	$1.83B	USD	Point-in-time
OTHER NON-CURRENT LIABILITIES	`OtherLiabilitiesNoncurrent`	$1.18B	USD	Point-in-time
OTHER NON-CURRENT LIABILITIES	`OtherLiabilitiesNoncurrent`	$1.19B	USD	Point-in-time
Total liabilities	`Liabilities`	$60.51B	USD	Point-in-time
Total liabilities	`Liabilities`	$60.82B	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock: $.01 par value; 1,000,000 shares authorized; 467,192 and 466,687 shares issued; and 456,277 and 455,772 shares outstanding, respectively	`CommonStockValue`	$4.70M	USD	Point-in-time
Common stock: $.01 par value; 1,000,000 shares authorized; 467,192 and 466,687 shares issued; and 456,277 and 455,772 shares outstanding, respectively	`CommonStockValue`	$4.70M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$12.24B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$12.27B	USD	Point-in-time
Distributions in excess of earnings	`RetainedEarningsAccumulatedDeficit`	$-1.14B	USD	Point-in-time
Distributions in excess of earnings	`RetainedEarningsAccumulatedDeficit`	$-1.07B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.74B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.55B	USD	Point-in-time
Treasury stock (10,915 shares at cost)	`TreasuryStockValue`	$1.28B	USD	Point-in-time
Treasury stock (10,915 shares at cost)	`TreasuryStockValue`	$1.28B	USD	Point-in-time
Total American Tower Corporation equity	`StockholdersEquity`	$5.08B	USD	Point-in-time
Total American Tower Corporation equity	`StockholdersEquity`	$5.36B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$3.89B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$3.99B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.34B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.57B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.07B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.25B	USD	Point-in-time
TOTAL	`LiabilitiesAndStockholdersEquity`	$69.76B	USD	Point-in-time
TOTAL	`LiabilitiesAndStockholdersEquity`	$69.89B	USD	Point-in-time

Income Statement 44 line items

Line Item	Tag	Value	Unit	Period
Foreign currency (losses) gains	`ForeignCurrencyTransactionGainLossUnrealized`	$94.70M	USD	1 Quarter
Foreign currency (losses) gains	`ForeignCurrencyTransactionGainLossUnrealized`	$242.10M	USD	1 Quarter
Total operating revenues	`Revenues`	$2.66B	USD	1 Quarter
Total operating revenues	`Revenues`	$2.16B	USD	1 Quarter
Property	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$771.50M	USD	1 Quarter
Property	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$563.30M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAndAmortization`	$815.80M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAndAmortization`	$522.50M	USD	1 Quarter
Selling, general, administrative and development expense	`SellingGeneralAndAdministrativeExpense`	$293.90M	USD	1 Quarter
Selling, general, administrative and development expense	`SellingGeneralAndAdministrativeExpense`	$182.60M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$50.40M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$26.10M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.94B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.33B	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$828.70M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$725.10M	USD	1 Quarter
Interest income	`InterestIncomeOther`	$11.40M	USD	1 Quarter
Interest income	`InterestIncomeOther`	$9.90M	USD	1 Quarter
Interest expense	`InterestExpense`	$262.40M	USD	1 Quarter
Interest expense	`InterestExpense`	$207.00M	USD	1 Quarter
Loss on retirement of long-term obligations	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Loss on retirement of long-term obligations	`GainsLossesOnExtinguishmentOfDebt`	$-25.70M	USD	1 Quarter
Other income (including foreign currency gains of $242.1 and $94.7, respectively)	`OtherNonoperatingIncomeExpense`	$95.20M	USD	1 Quarter
Other income (including foreign currency gains of $242.1 and $94.7, respectively)	`OtherNonoperatingIncomeExpense`	$252.60M	USD	1 Quarter
Total other income (expense)	`NonoperatingIncomeExpense`	$-126.10M	USD	1 Quarter
Total other income (expense)	`NonoperatingIncomeExpense`	$100.00K	USD	1 Quarter
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$702.60M	USD	1 Quarter
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$725.20M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$22.50M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$50.30M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$652.30M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$702.70M	USD	1 Quarter
Net loss (income) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-9.00M	USD	1 Quarter
Net loss (income) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.30M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS	`NetIncomeLoss`	$645.00M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS	`NetIncomeLoss`	$711.70M	USD	1 Quarter
Basic net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareBasic`	$1.45	USD	1 Quarter
Basic net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareBasic`	$1.56	USD	1 Quarter
Diluted net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$1.45	USD	1 Quarter
Diluted net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$1.56	USD	1 Quarter
BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	444.49M	shares	1 Quarter
BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	455.95M	shares	1 Quarter
DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	457.21M	shares	1 Quarter
DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	446.29M	shares	1 Quarter

Cash Flow Statement 74 line items

Line Item	Tag	Value	Unit	Period
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	$24.80M	USD	1 Quarter
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	$300.00K	USD	1 Quarter
Net income	`ProfitLoss`	$652.30M	USD	1 Quarter
Net income	`ProfitLoss`	$702.70M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$522.50M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$815.80M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$56.70M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$38.00M	USD	1 Quarter
Loss on early retirement of long-term obligations	`ExtinguishmentOfDebtGainLossNetOfTax`	$-25.70M	USD	1 Quarter
Loss on early retirement of long-term obligations	`ExtinguishmentOfDebtGainLossNetOfTax`	-	USD	1 Quarter
Other non-cash items reflected in statements of operations	`OtherNoncashIncomeExpense`	$87.50M	USD	1 Quarter
Other non-cash items reflected in statements of operations	`OtherNoncashIncomeExpense`	$232.80M	USD	1 Quarter
Increase in net deferred rent balances	`StraightLineRent`	$119.90M	USD	1 Quarter
Increase in net deferred rent balances	`StraightLineRent`	$109.30M	USD	1 Quarter
Right-of-use asset and Operating lease liability, net	`IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability`	$-4.10M	USD	1 Quarter
Right-of-use asset and Operating lease liability, net	`IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability`	$26.60M	USD	1 Quarter
Changes in unearned revenue	`IncreaseDecreaseInContractWithCustomerLiability`	$111.80M	USD	1 Quarter
Changes in unearned revenue	`IncreaseDecreaseInContractWithCustomerLiability`	$-201.40M	USD	1 Quarter
(Increase) decrease in assets	`IncreaseDecreaseInOperatingAssets`	$171.50M	USD	1 Quarter
(Increase) decrease in assets	`IncreaseDecreaseInOperatingAssets`	$-18.10M	USD	1 Quarter
Decrease in liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-72.40M	USD	1 Quarter
Decrease in liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-170.00M	USD	1 Quarter
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$663.60M	USD	1 Quarter
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.09B	USD	1 Quarter
Payments for purchase of property and equipment and construction activities	`PaymentsToAcquirePropertyPlantAndEquipment`	$324.80M	USD	1 Quarter
Payments for purchase of property and equipment and construction activities	`PaymentsToAcquirePropertyPlantAndEquipment`	$386.10M	USD	1 Quarter
Payments for acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$114.80M	USD	1 Quarter
Payments for acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$128.60M	USD	1 Quarter
Proceeds from sale of short-term investments and other non-current assets	`ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets`	$4.40M	USD	1 Quarter
Proceeds from sale of short-term investments and other non-current assets	`ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets`	$3.20M	USD	1 Quarter
Deposits and other	`PaymentsForProceedsFromOtherInvestingActivities`	$3.50M	USD	1 Quarter
Deposits and other	`PaymentsForProceedsFromOtherInvestingActivities`	$1.60M	USD	1 Quarter
Cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-513.10M	USD	1 Quarter
Cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-438.70M	USD	1 Quarter
Borrowings under credit facilities	`ProceedsFromLinesOfCredit`	$2.25B	USD	1 Quarter
Borrowings under credit facilities	`ProceedsFromLinesOfCredit`	$1.87B	USD	1 Quarter
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$1.40B	USD	1 Quarter
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	-	USD	1 Quarter
Repayments of notes payable, credit facilities, senior notes, secured debt, term loans and finance leases	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$1.82B	USD	1 Quarter
Repayments of notes payable, credit facilities, senior notes, secured debt, term loans and finance leases	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$3.07B	USD	1 Quarter
Distributions to noncontrolling interest holders	`PaymentsToMinorityShareholders`	$100.00K	USD	1 Quarter
Distributions to noncontrolling interest holders	`PaymentsToMinorityShareholders`	$8.10M	USD	1 Quarter
Proceeds from stock options	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$1.90M	USD	1 Quarter
Proceeds from stock options	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$8.00M	USD	1 Quarter
Distributions paid on common stock	`PaymentsOfDividendsCommonStock`	$544.90M	USD	1 Quarter
Distributions paid on common stock	`PaymentsOfDividendsCommonStock`	$641.20M	USD	1 Quarter
Payment for early retirement of long-term obligations	`PaymentsOfDebtExtinguishmentCosts`	$61.90M	USD	1 Quarter
Payment for early retirement of long-term obligations	`PaymentsOfDebtExtinguishmentCosts`	-	USD	1 Quarter
Deferred financing costs and other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-50.50M	USD	1 Quarter
Deferred financing costs and other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-61.30M	USD	1 Quarter
Purchase of redeemable noncontrolling interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	-	USD	1 Quarter
Purchase of redeemable noncontrolling interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	$2.50M	USD	1 Quarter
Cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-480.00M	USD	1 Quarter
Cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-250.90M	USD	1 Quarter
Net effect of changes in foreign currency exchange rates on cash and cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-42.10M	USD	1 Quarter
Net effect of changes in foreign currency exchange rates on cash and cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.50M	USD	1 Quarter
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$131.90M	USD	1 Quarter
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-71.90M	USD	1 Quarter
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.99B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.86B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.34B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.27B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.99B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.86B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.34B	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.27B	USD	Point-in-time
CASH PAID FOR INCOME TAXES (NET OF REFUNDS OF $0.3 AND $24.8, RESPECTIVELY)	`IncomeTaxesPaidNet`	$5.80M	USD	1 Quarter
CASH PAID FOR INCOME TAXES (NET OF REFUNDS OF $0.3 AND $24.8, RESPECTIVELY)	`IncomeTaxesPaidNet`	$99.80M	USD	1 Quarter
CASH PAID FOR INTEREST	`InterestPaidNet`	$304.00M	USD	1 Quarter
CASH PAID FOR INTEREST	`InterestPaidNet`	$239.10M	USD	1 Quarter
Purchases of property and equipment under finance leases and perpetual easements	`CapitalLeaseObligationsIncurred`	$1.80M	USD	1 Quarter
Purchases of property and equipment under finance leases and perpetual easements	`CapitalLeaseObligationsIncurred`	$10.50M	USD	1 Quarter
Decrease in accounts payable and accrued expenses for purchases of property and equipment and construction activities	`TransfersToAccountsPayableAndAccruedExpensesCapitalExpenditures`	$34.40M	USD	1 Quarter
Decrease in accounts payable and accrued expenses for purchases of property and equipment and construction activities	`TransfersToAccountsPayableAndAccruedExpensesCapitalExpenditures`	$46.90M	USD	1 Quarter

Stockholders Equity 22 line items

Line Item	Tag	Value	Unit	Period
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.34B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.57B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.07B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.25B	USD	Point-in-time
Stock-based compensation related activity	`StockIssuedDuringPeriodValueShareBasedCompensation`	$25.90M	USD	1 Quarter
Stock-based compensation related activity	`StockIssuedDuringPeriodValueShareBasedCompensation`	$-700.00K	USD	1 Quarter
Changes in fair value of cash flow hedges, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	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`	-	USD	1 Quarter
Foreign currency translation adjustment, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxLessAmountReclassifiedToAdditionalPaidInCapital`	$-323.50M	USD	1 Quarter
Foreign currency translation adjustment, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxLessAmountReclassifiedToAdditionalPaidInCapital`	$94.40M	USD	1 Quarter
Distributions to noncontrolling interest holders	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$200.00K	USD	1 Quarter
Distributions to noncontrolling interest holders	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$300.00K	USD	1 Quarter
Common stock distributions declared	`DividendsCommonStockCash`	$553.80M	USD	1 Quarter
Common stock distributions declared	`DividendsCommonStockCash`	$641.70M	USD	1 Quarter
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$702.70M	USD	1 Quarter
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$648.80M	USD	1 Quarter
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.34B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.57B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.07B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.25B	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
Changes in fair value of cash flow hedges, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	1 Quarter
Net income	`ProfitLoss`	$652.30M	USD	1 Quarter
Net income	`ProfitLoss`	$702.70M	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`	-	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`	-	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`	-	USD	1 Quarter
Foreign currency translation adjustments, net of tax expense (benefit) of $0.0 and $(0.0), respectively.	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-323.70M	USD	1 Quarter
Foreign currency translation adjustments, net of tax expense (benefit) of $0.0 and $(0.0), respectively.	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$94.40M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-323.70M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$94.40M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$328.60M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$797.10M	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest`	$-14.10M	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest`	$-100.50M	USD	1 Quarter
Allocation of accumulated other comprehensive income resulting from purchases of noncontrolling interest and redeemable noncontrolling interests	`ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest`	$-100.00K	USD	1 Quarter
Allocation of accumulated other comprehensive income resulting from purchases of noncontrolling interest and redeemable noncontrolling interests	`ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest`	-	USD	1 Quarter
Comprehensive income attributable to American Tower Corporation stockholders	`ComprehensiveIncomeNetOfTax`	$897.60M	USD	1 Quarter
Comprehensive income attributable to American Tower Corporation stockholders	`ComprehensiveIncomeNetOfTax`	$342.80M	USD	1 Quarter

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