10-Q Filing

AMERICAN TOWER CORP /MA/ CIK: 1053507 Q1 2018

Filing Information

Form Type	10-Q
Accession Number	`0001053507-18-000026`
Period End Date	20180331
Filing Date	20180502
Fiscal Year	2018
Fiscal Period	Q1
XBRL Instance	amt-20180331.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 89 Income Statement 52 Cash Flow Statement 76 Stockholders Equity 29 Comprehensive Income 24

Balance Sheet 89 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.13B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$802.10M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$712.80M	USD	Point-in-time
Restricted cash	`RestrictedCashEquivalentsCurrent`	$145.50M	USD	Point-in-time
Restricted cash	`RestrictedCashEquivalentsCurrent`	$153.50M	USD	Point-in-time
Restricted cash	`RestrictedCashEquivalentsCurrent`	$152.80M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$1.00M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$389.40M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$557.90M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$513.60M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$568.60M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$571.20M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.04B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.80B	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
Common stock, shares issued	`CommonStockSharesIssued`	437.73M	shares	Point-in-time
PROPERTY AND EQUIPMENT, net	`PropertyPlantAndEquipmentNet`	$11.10B	USD	Point-in-time
PROPERTY AND EQUIPMENT, net	`PropertyPlantAndEquipmentNet`	$11.29B	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	450.50M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	428.82M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	441.60M	shares	Point-in-time
GOODWILL	`Goodwill`	$5.64B	USD	Point-in-time
GOODWILL	`Goodwill`	$5.65B	USD	Point-in-time
OTHER INTANGIBLE ASSETS, net	`IntangibleAssetsNetExcludingGoodwill`	$11.94B	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	8.91M	shares	Point-in-time
OTHER INTANGIBLE ASSETS, net	`IntangibleAssetsNetExcludingGoodwill`	$11.78B	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	8.91M	shares	Point-in-time
DEFERRED TAX ASSET	`DeferredIncomeTaxAssetsNet`	$204.40M	USD	Point-in-time
DEFERRED TAX ASSET	`DeferredIncomeTaxAssetsNet`	$192.90M	USD	Point-in-time
DEFERRED RENT ASSET	`DeferredRentReceivablesNetNoncurrent`	$1.51B	USD	Point-in-time
DEFERRED RENT ASSET	`DeferredRentReceivablesNetNoncurrent`	$1.50B	USD	Point-in-time
NOTES RECEIVABLE AND OTHER NON-CURRENT ASSETS	`OtherAssetsNoncurrent`	$990.30M	USD	Point-in-time
NOTES RECEIVABLE AND OTHER NON-CURRENT ASSETS	`OtherAssetsNoncurrent`	$950.10M	USD	Point-in-time
TOTAL	`Assets`	$34.37B	USD	Point-in-time
TOTAL	`Assets`	$32.06B	USD	Point-in-time
TOTAL	`Assets`	$33.21B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$118.70M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$142.90M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$854.30M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$825.40M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrent`	$304.40M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrent`	$335.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$131.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$166.90M	USD	Point-in-time
Current portion of long-term obligations	`LongTermDebtCurrent`	$2.80B	USD	Point-in-time
Current portion of long-term obligations	`LongTermDebtCurrent`	$774.80M	USD	Point-in-time
Unearned revenue	`DeferredRevenueCurrent`	$331.40M	USD	Point-in-time
Unearned revenue	`DeferredRevenueCurrent`	$268.80M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$4.54B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.51B	USD	Point-in-time
LONG-TERM OBLIGATIONS	`LongTermDebtAndCapitalLeaseObligations`	$18.57B	USD	Point-in-time
LONG-TERM OBLIGATIONS	`LongTermDebtAndCapitalLeaseObligations`	$19.43B	USD	Point-in-time
ASSET RETIREMENT OBLIGATIONS	`AssetRetirementObligation`	$1.22B	USD	Point-in-time
ASSET RETIREMENT OBLIGATIONS	`AssetRetirementObligation`	$1.18B	USD	Point-in-time
DEFERRED TAX LIABILITY	`DeferredIncomeTaxLiabilitiesNet`	$791.70M	USD	Point-in-time
DEFERRED TAX LIABILITY	`DeferredIncomeTaxLiabilitiesNet`	$898.10M	USD	Point-in-time
OTHER NON-CURRENT LIABILITIES	`OtherLiabilitiesNoncurrent`	$1.25B	USD	Point-in-time
OTHER NON-CURRENT LIABILITIES	`OtherLiabilitiesNoncurrent`	$1.24B	USD	Point-in-time
Total liabilities	`Liabilities`	$26.37B	USD	Point-in-time
Total liabilities	`Liabilities`	$25.26B	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES	`CommitmentsAndContingencies`	-	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$1.13B	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$1.13B	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$1.09B	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$1.07B	USD	Point-in-time
Common stock: $.01 par value; 1,000,000 shares authorized; 450,505 and 437,729 shares issued; and 441,596 and 428,820 shares outstanding, respectively	`CommonStockValue`	$4.50M	USD	Point-in-time
Common stock: $.01 par value; 1,000,000 shares authorized; 450,505 and 437,729 shares issued; and 441,596 and 428,820 shares outstanding, respectively	`CommonStockValue`	$4.40M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$10.25B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$10.22B	USD	Point-in-time
Distributions in excess of earnings	`RetainedEarningsAccumulatedDeficit`	$-1.06B	USD	Point-in-time
Distributions in excess of earnings	`RetainedEarningsAccumulatedDeficit`	$-1.09B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.83B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.98B	USD	Point-in-time
Treasury stock (8,909 shares at cost)	`TreasuryStockValue`	$974.00M	USD	Point-in-time
Treasury stock (8,909 shares at cost)	`TreasuryStockValue`	$974.00M	USD	Point-in-time
Total American Tower Corporation equity	`StockholdersEquity`	$6.33B	USD	Point-in-time
Total American Tower Corporation equity	`StockholdersEquity`	$6.24B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$586.60M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$607.10M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.38B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.94B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.98B	USD	Point-in-time
TOTAL	`LiabilitiesAndStockholdersEquity`	$34.37B	USD	Point-in-time
TOTAL	`LiabilitiesAndStockholdersEquity`	$33.21B	USD	Point-in-time

Income Statement 52 line items

Line Item	Tag	Value	Unit	Period
Property	`OperatingLeasesIncomeStatementLeaseRevenue`	$1.71B	USD	1 Quarter
Property	`OperatingLeasesIncomeStatementLeaseRevenue`	$1.59B	USD	1 Quarter
Services	`SalesRevenueServicesNet`	$22.10M	USD	1 Quarter
Services	`SalesRevenueServicesNet`	$31.40M	USD	1 Quarter
Total operating revenues	`SalesRevenueNet`	$1.74B	USD	1 Quarter
Total operating revenues	`SalesRevenueNet`	$1.62B	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$42.70M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$36.20M	USD	1 Quarter
Property (each including stock-based compensation expense of $0.7)	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$486.20M	USD	1 Quarter
Property (each including stock-based compensation expense of $0.7)	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$507.40M	USD	1 Quarter
Services (including stock-based compensation expense of $0.3 and $0.2, respectively)	`CostOfServices`	$6.50M	USD	1 Quarter
Services (including stock-based compensation expense of $0.3 and $0.2, respectively)	`CostOfServices`	$12.50M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$421.10M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$446.30M	USD	1 Quarter
Selling, general, administrative and development expense (including stock-based compensation expense of $41.7 and $35.3, respectively)	`SellingGeneralAndAdministrativeExpense`	$164.80M	USD	1 Quarter
Selling, general, administrative and development expense (including stock-based compensation expense of $41.7 and $35.3, respectively)	`SellingGeneralAndAdministrativeExpense`	$204.90M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$6.20M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$167.80M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.34B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.08B	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$531.40M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$402.90M	USD	1 Quarter
Loss on retirement of long-term obligations	`GainsLossesOnExtinguishmentOfDebt`	$-55.40M	USD	1 Quarter
Loss on retirement of long-term obligations	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Other income (including unrealized foreign currency gains of $24.9 and $28.0, respectively)	`OtherNonoperatingIncomeExpense`	$29.30M	USD	1 Quarter
Other income (including unrealized foreign currency gains of $24.9 and $28.0, respectively)	`OtherNonoperatingIncomeExpense`	$27.80M	USD	1 Quarter
Total other expense	`NonoperatingIncomeExpense`	$-197.20M	USD	1 Quarter
Total other expense	`NonoperatingIncomeExpense`	$-153.70M	USD	1 Quarter
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$249.20M	USD	1 Quarter
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$334.20M	USD	1 Quarter
Income tax benefit (provision)	`IncomeTaxExpenseBenefit`	$26.80M	USD	1 Quarter
Income tax benefit (provision)	`IncomeTaxExpenseBenefit`	$-31.10M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$307.40M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$280.30M	USD	1 Quarter
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-8.70M	USD	1 Quarter
Net 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`	$316.10M	USD	1 Quarter
Dividends on preferred stock	`PreferredStockDividendsIncomeStatementImpact`	$9.40M	USD	1 Quarter
Dividends on preferred stock	`PreferredStockDividendsIncomeStatementImpact`	$26.80M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$275.80M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$289.30M	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`	$0.68	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`	$0.67	USD	1 Quarter
BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	427.28M	shares	1 Quarter
BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	435.12M	shares	1 Quarter
DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	438.52M	shares	1 Quarter
DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	430.20M	shares	1 Quarter
DISTRIBUTIONS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.75	USD	1 Quarter
DISTRIBUTIONS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.62	USD	1 Quarter

Cash Flow Statement 76 line items

Line Item	Tag	Value	Unit	Period
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	$12.80M	USD	1 Quarter
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	$4.70M	USD	1 Quarter
Net income	`ProfitLoss`	$307.40M	USD	1 Quarter
Net income	`ProfitLoss`	$280.30M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$421.10M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$446.30M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$42.70M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$36.20M	USD	1 Quarter
Loss on early retirement of long-term obligations	`ExtinguishmentOfDebtGainLossNetOfTax`	-	USD	1 Quarter
Loss on early retirement of long-term obligations	`ExtinguishmentOfDebtGainLossNetOfTax`	$-55.40M	USD	1 Quarter
Other non-cash items reflected in statements of operations	`IncreaseDecreaseInOtherOperatingAssets`	$-96.80M	USD	1 Quarter
Other non-cash items reflected in statements of operations	`IncreaseDecreaseInOtherOperatingAssets`	$45.30M	USD	1 Quarter
Increase in net deferred rent balances	`StraightLineRent`	$35.10M	USD	1 Quarter
Increase in net deferred rent balances	`StraightLineRent`	$3.90M	USD	1 Quarter
Increase in assets	`IncreaseDecreaseInOperatingAssets`	$95.40M	USD	1 Quarter
Increase in assets	`IncreaseDecreaseInOperatingAssets`	$40.30M	USD	1 Quarter
Increase (decrease) in liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-21.20M	USD	1 Quarter
Increase (decrease) in liabilities	`IncreaseDecreaseInOperatingLiabilities`	$25.00M	USD	1 Quarter
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$678.20M	USD	1 Quarter
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$791.80M	USD	1 Quarter
Payments for purchase of property and equipment and construction activities	`PaymentsToAcquireProductiveAssets`	$168.10M	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`	$777.80M	USD	1 Quarter
Payments for acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$673.40M	USD	1 Quarter
Proceeds from sale of short-term investments and other non-current assets	`ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets`	$84.00M	USD	1 Quarter
Proceeds from sale of short-term investments and other non-current assets	`ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets`	$3.80M	USD	1 Quarter
Payments for short-term investments	`PaymentsToAcquireShortTermInvestments`	$478.10M	USD	1 Quarter
Payments for short-term investments	`PaymentsToAcquireShortTermInvestments`	-	USD	1 Quarter
Deposits and other	`PaymentsForProceedsFromOtherInvestingActivities`	$14.60M	USD	1 Quarter
Deposits and other	`PaymentsForProceedsFromOtherInvestingActivities`	$-21.80M	USD	1 Quarter
Cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-920.30M	USD	1 Quarter
Cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.28B	USD	1 Quarter
Borrowings under credit facilities	`ProceedsFromLinesOfCredit`	$2.00B	USD	1 Quarter
Borrowings under credit facilities	`ProceedsFromLinesOfCredit`	$1.75B	USD	1 Quarter
Proceeds from term loan	`ProceedsFromIssuanceOfUnsecuredDebt`	-	USD	1 Quarter
Proceeds from term loan	`ProceedsFromIssuanceOfUnsecuredDebt`	$1.50B	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 and capital leases	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$2.58B	USD	1 Quarter
Repayments of notes payable, credit facilities, senior notes, secured debt and capital leases	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$1.63B	USD	1 Quarter
(Distributions to) contributions from noncontrolling interest holders, net	`ProceedsFromPaymentsToMinorityShareholders`	$-300.00K	USD	1 Quarter
(Distributions to) contributions from noncontrolling interest holders, net	`ProceedsFromPaymentsToMinorityShareholders`	$265.40M	USD	1 Quarter
Purchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$147.20M	USD	1 Quarter
Purchases of common stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	1 Quarter
Proceeds from stock options	`ProceedsFromIssuanceOrSaleOfEquity`	$36.90M	USD	1 Quarter
Proceeds from stock options	`ProceedsFromIssuanceOrSaleOfEquity`	$20.00M	USD	1 Quarter
Distributions paid on common stock	`PaymentsOfDividendsCommonStock`	$250.40M	USD	1 Quarter
Distributions paid on common stock	`PaymentsOfDividendsCommonStock`	$304.30M	USD	1 Quarter
Distributions paid on preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$26.80M	USD	1 Quarter
Distributions paid on preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$18.90M	USD	1 Quarter
Payment for early retirement of long-term obligations	`PaymentsOfDebtExtinguishmentCosts`	-	USD	1 Quarter
Payment for early retirement of long-term obligations	`PaymentsOfDebtExtinguishmentCosts`	$61.80M	USD	1 Quarter
Deferred financing costs and other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-42.60M	USD	1 Quarter
Deferred financing costs and other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-21.80M	USD	1 Quarter
Cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$817.30M	USD	1 Quarter
Cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$157.90M	USD	1 Quarter
Net effect of changes in foreign currency exchange rates on cash and cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$6.00M	USD	1 Quarter
Net effect of changes in foreign currency exchange rates on cash and cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-4.50M	USD	1 Quarter
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$324.00M	USD	1 Quarter
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-78.20M	USD	1 Quarter
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$936.50M	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`	$954.90M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$858.30M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$936.50M	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`	$954.90M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$858.30M	USD	Point-in-time
CASH PAID FOR INCOME TAXES (NET OF REFUNDS OF $4.7 AND $12.8, RESPECTIVELY)	`IncomeTaxesPaidNet`	$23.10M	USD	1 Quarter
CASH PAID FOR INCOME TAXES (NET OF REFUNDS OF $4.7 AND $12.8, RESPECTIVELY)	`IncomeTaxesPaidNet`	$24.70M	USD	1 Quarter
CASH PAID FOR INTEREST	`InterestPaid`	$231.00M	USD	1 Quarter
CASH PAID FOR INTEREST	`InterestPaid`	$228.60M	USD	1 Quarter
(Increase) decrease in accounts payable and accrued expenses for purchases of property and equipment and construction activities	`ChangeInCapitalExpendituresIncurredButNotYetPaid`	$10.10M	USD	1 Quarter
(Increase) decrease in accounts payable and accrued expenses for purchases of property and equipment and construction activities	`ChangeInCapitalExpendituresIncurredButNotYetPaid`	$-29.30M	USD	1 Quarter
Purchases of property and equipment under capital leases	`CapitalLeaseObligationsIncurred`	$9.70M	USD	1 Quarter
Purchases of property and equipment under capital leases	`CapitalLeaseObligationsIncurred`	$11.90M	USD	1 Quarter

Stockholders Equity 29 line items

Line Item	Tag	Value	Unit	Period
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.38B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.94B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.98B	USD	Point-in-time
Stock-based compensation related activity	`StockIssuedDuringPeriodValueShareBasedCompensation`	$50.50M	USD	1 Quarter
Stock-based compensation related activity	`StockIssuedDuringPeriodValueShareBasedCompensation`	$27.30M	USD	1 Quarter
Treasury stock activity	`TreasuryStockValueAcquiredCostMethod`	$225.00M	USD	1 Quarter
Conversion of preferred stock	`StockIssuedDuringPeriodValueConversionOfConvertibleSecuritiesNetOfAdjustments`	-	USD	1 Quarter
Changes in fair value of cash flow hedges, net of tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Changes in fair value of cash flow hedges, net of tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-100.00K	USD	1 Quarter
Reclassification of unrealized losses on cash flow hedges to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$100.00K	USD	1 Quarter
Reclassification of unrealized losses on cash flow hedges to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-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`	$242.80M	USD	1 Quarter
Adjustment to redeemable noncontrolling interest	`AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock`	$-28.10M	USD	1 Quarter
Impact of the revenue recognition standard adoption	`NoncontrollingInterestIncreaseFromBusinessCombination`	$38.40M	USD	1 Quarter
Impact of the revenue recognition standard adoption	`NoncontrollingInterestIncreaseFromBusinessCombination`	$314.00M	USD	1 Quarter
Distributions to noncontrolling interest holders	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$400.00K	USD	1 Quarter
Distributions to noncontrolling interest holders	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$300.00K	USD	1 Quarter
Common stock distributions declared	`DividendsCommonStockCash`	$332.30M	USD	1 Quarter
Common stock distributions declared	`DividendsCommonStockCash`	$266.00M	USD	1 Quarter
Preferred stock dividends declared	`DividendsPreferredStockCash`	$26.80M	USD	1 Quarter
Preferred stock dividends declared	`DividendsPreferredStockCash`	$18.90M	USD	1 Quarter
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$290.90M	USD	1 Quarter
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$319.80M	USD	1 Quarter
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.38B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.94B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.98B	USD	Point-in-time

Comprehensive Income 24 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$307.40M	USD	1 Quarter
Changes in fair value of cash flow hedges, tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	-	USD	1 Quarter
Net income	`ProfitLoss`	$280.30M	USD	1 Quarter
Changes in fair value of cash flow hedges, tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	-	USD	1 Quarter
Reclassification of unrealized gains on cash flow hedges to net income, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	-	USD	1 Quarter
Reclassification of unrealized gains on cash flow hedges to net income, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	-	USD	1 Quarter
Foreign currency translation adjustments, tax expense	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$3.50M	USD	1 Quarter
Changes in fair value of cash flow hedges, net of tax expense of $0	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Foreign currency translation adjustments, tax expense	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$1.60M	USD	1 Quarter
Changes in fair value of cash flow hedges, net of tax expense of $0	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-100.00K	USD	1 Quarter
Reclassification of unrealized losses (gains) on cash flow hedges to net income, net of tax expense of $0	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$100.00K	USD	1 Quarter
Reclassification of unrealized losses (gains) on cash flow hedges to net income, net of tax expense of $0	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-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 $1.6 and $3.5, respectively	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$293.90M	USD	1 Quarter
Foreign currency translation adjustments, net of tax expense of $1.6 and $3.5, respectively	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$57.60M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$293.70M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$136.50M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$416.80M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$601.10M	USD	1 Quarter
Comprehensive loss (income) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$45.20M	USD	1 Quarter
Comprehensive loss (income) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-12.10M	USD	1 Quarter
Comprehensive income attributable to American Tower Corporation stockholders	`ComprehensiveIncomeNetOfTax`	$555.90M	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.