10-Q Filing

AMERICAN TOWER CORP /MA/ CIK: 1053507 Q3 2017

Filing Information

Form Type	10-Q
Accession Number	`0001053507-17-000056`
Period End Date	20170930
Filing Date	20171031
Fiscal Year	2017
Fiscal Period	Q3
XBRL Instance	amt-20170930.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 87 Income Statement 124 Cash Flow Statement 84 Stockholders Equity 38 Comprehensive Income 44

Balance Sheet 87 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$799.47M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$530.36M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$787.16M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$320.69M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$149.28M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$155.21M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$4.03M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$1.03M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$508.63M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$308.37M	USD	Point-in-time
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
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$441.03M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$499.24M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.69B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.96B	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`	437.51M	shares	Point-in-time
PROPERTY AND EQUIPMENT, net	`PropertyPlantAndEquipmentNet`	$10.52B	USD	Point-in-time
PROPERTY AND EQUIPMENT, net	`PropertyPlantAndEquipmentNet`	$10.80B	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	429.91M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	429.24M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	427.10M	shares	Point-in-time
GOODWILL	`Goodwill`	$5.37B	USD	Point-in-time
GOODWILL	`Goodwill`	$5.07B	USD	Point-in-time
OTHER INTANGIBLE ASSETS, net	`IntangibleAssetsNetExcludingGoodwill`	$11.58B	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	8.27M	shares	Point-in-time
OTHER INTANGIBLE ASSETS, net	`IntangibleAssetsNetExcludingGoodwill`	$11.27B	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	2.81M	shares	Point-in-time
DEFERRED TAX ASSET	`DeferredIncomeTaxAssetsNet`	$195.68M	USD	Point-in-time
DEFERRED TAX ASSET	`DeferredIncomeTaxAssetsNet`	$221.76M	USD	Point-in-time
DEFERRED RENT ASSET	`DeferredRentReceivablesNetNoncurrent`	$1.29B	USD	Point-in-time
DEFERRED RENT ASSET	`DeferredRentReceivablesNetNoncurrent`	$1.45B	USD	Point-in-time
NOTES RECEIVABLE AND OTHER NON-CURRENT ASSETS	`OtherAssetsNoncurrent`	$841.52M	USD	Point-in-time
NOTES RECEIVABLE AND OTHER NON-CURRENT ASSETS	`OtherAssetsNoncurrent`	$931.48M	USD	Point-in-time
TOTAL	`Assets`	$32.32B	USD	Point-in-time
TOTAL	`Assets`	$30.88B	USD	Point-in-time
TOTAL	`Assets`	$30.66B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$118.67M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$119.75M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$620.56M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$774.07M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrent`	$250.55M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrent`	$286.91M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$103.24M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$157.30M	USD	Point-in-time
Current portion of long-term obligations	`LongTermDebtCurrent`	$238.81M	USD	Point-in-time
Current portion of long-term obligations	`LongTermDebtCurrent`	$687.38M	USD	Point-in-time
Unearned revenue	`DeferredRevenueCurrent`	$288.88M	USD	Point-in-time
Unearned revenue	`DeferredRevenueCurrent`	$245.39M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.26B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.63B	USD	Point-in-time
LONG-TERM OBLIGATIONS	`LongTermDebtAndCapitalLeaseObligations`	$18.29B	USD	Point-in-time
LONG-TERM OBLIGATIONS	`LongTermDebtAndCapitalLeaseObligations`	$18.58B	USD	Point-in-time
ASSET RETIREMENT OBLIGATIONS	`AssetRetirementObligation`	$1.05B	USD	Point-in-time
ASSET RETIREMENT OBLIGATIONS	`AssetRetirementObligation`	$965.51M	USD	Point-in-time
DEFERRED TAX LIABILITY	`DeferredIncomeTaxLiabilitiesNet`	$976.73M	USD	Point-in-time
DEFERRED TAX LIABILITY	`DeferredIncomeTaxLiabilitiesNet`	$777.57M	USD	Point-in-time
OTHER NON-CURRENT LIABILITIES	`OtherLiabilitiesNoncurrent`	$1.14B	USD	Point-in-time
OTHER NON-CURRENT LIABILITIES	`OtherLiabilitiesNoncurrent`	$1.19B	USD	Point-in-time
Total liabilities	`Liabilities`	$22.81B	USD	Point-in-time
Total liabilities	`Liabilities`	$24.06B	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES	`CommitmentsAndContingencies`	-	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$1.09B	USD	Point-in-time
REDEEMABLE NONCONTROLLING INTERESTS	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$1.15B	USD	Point-in-time
Common stock: $.01 par value; 1,000,000,000 shares authorized; 437,510,284 and 429,912,536 shares issued; and 429,243,720 and 427,102,510 shares outstanding, respectively	`CommonStockValue`	$4.38M	USD	Point-in-time
Common stock: $.01 par value; 1,000,000,000 shares authorized; 437,510,284 and 429,912,536 shares issued; and 429,243,720 and 427,102,510 shares outstanding, respectively	`CommonStockValue`	$4.30M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$10.04B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$10.21B	USD	Point-in-time
Distributions in excess of earnings	`RetainedEarningsAccumulatedDeficit`	$-975.16M	USD	Point-in-time
Distributions in excess of earnings	`RetainedEarningsAccumulatedDeficit`	$-1.08B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-2.00B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.84B	USD	Point-in-time
Treasury stock (8,266,564 and 2,810,026 shares at cost, respectively)	`TreasuryStockValue`	$207.74M	USD	Point-in-time
Treasury stock (8,266,564 and 2,810,026 shares at cost, respectively)	`TreasuryStockValue`	$884.61M	USD	Point-in-time
Total American Tower Corporation equity	`StockholdersEquity`	$6.76B	USD	Point-in-time
Total American Tower Corporation equity	`StockholdersEquity`	$6.52B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$591.51M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$212.31M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.98B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.71B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.77B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.11B	USD	Point-in-time
TOTAL	`LiabilitiesAndStockholdersEquity`	$30.88B	USD	Point-in-time
TOTAL	`LiabilitiesAndStockholdersEquity`	$32.32B	USD	Point-in-time

Income Statement 124 line items

Line Item	Tag	Value	Unit	Period
Property	`OperatingLeasesIncomeStatementLeaseRevenue`	$1.66B	USD	1 Quarter
Property	`OperatingLeasesIncomeStatementLeaseRevenue`	$1.50B	USD	1 Quarter
Property	`OperatingLeasesIncomeStatementLeaseRevenue`	$4.19B	USD	3 Qtrs
Property	`OperatingLeasesIncomeStatementLeaseRevenue`	$4.89B	USD	3 Qtrs
Services	`SalesRevenueServicesNet`	$16.91M	USD	1 Quarter
Services	`SalesRevenueServicesNet`	$71.85M	USD	3 Qtrs
Services	`SalesRevenueServicesNet`	$54.34M	USD	3 Qtrs
Services	`SalesRevenueServicesNet`	$25.42M	USD	1 Quarter
Total operating revenues	`SalesRevenueNet`	$1.68B	USD	1 Quarter
Total operating revenues	`SalesRevenueNet`	$1.51B	USD	1 Quarter
Total operating revenues	`SalesRevenueNet`	$4.25B	USD	3 Qtrs
Total operating revenues	`SalesRevenueNet`	$4.96B	USD	3 Qtrs
Property (including stock-based compensation expense of $476, $426, $1,776 and $1,325, respectively)	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$511.15M	USD	1 Quarter
Property (including stock-based compensation expense of $476, $426, $1,776 and $1,325, respectively)	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$1.50B	USD	3 Qtrs
Property (including stock-based compensation expense of $476, $426, $1,776 and $1,325, respectively)	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$1.28B	USD	3 Qtrs
Property (including stock-based compensation expense of $476, $426, $1,776 and $1,325, respectively)	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$485.52M	USD	1 Quarter
Services (including stock-based compensation expense of $189, $172, $613 and $578, respectively)	`CostOfServices`	$22.01M	USD	3 Qtrs
Services (including stock-based compensation expense of $189, $172, $613 and $578, respectively)	`CostOfServices`	$8.61M	USD	1 Quarter
Services (including stock-based compensation expense of $189, $172, $613 and $578, respectively)	`CostOfServices`	$25.10M	USD	3 Qtrs
Services (including stock-based compensation expense of $189, $172, $613 and $578, respectively)	`CostOfServices`	$5.71M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$432.35M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$1.14B	USD	3 Qtrs
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$398.00M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$1.25B	USD	3 Qtrs
Selling, general, administrative and development expense (including stock-based compensation expense of $23,798, $19,628, $84,034 and $68,309, respectively)	`SellingGeneralAndAdministrativeExpense`	$465.90M	USD	3 Qtrs
Selling, general, administrative and development expense (including stock-based compensation expense of $23,798, $19,628, $84,034 and $68,309, respectively)	`SellingGeneralAndAdministrativeExpense`	$147.96M	USD	1 Quarter
Selling, general, administrative and development expense (including stock-based compensation expense of $23,798, $19,628, $84,034 and $68,309, respectively)	`SellingGeneralAndAdministrativeExpense`	$405.09M	USD	3 Qtrs
Selling, general, administrative and development expense (including stock-based compensation expense of $23,798, $19,628, $84,034 and $68,309, respectively)	`SellingGeneralAndAdministrativeExpense`	$131.54M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$86.42M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$20.23M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$19.54M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$70.21M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$24.46M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$44.59M	USD	3 Qtrs
Other operating expenses	`OtherCostAndExpenseOperating`	$37.51M	USD	3 Qtrs
Other operating expenses	`OtherCostAndExpenseOperating`	$15.00M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$2.88B	USD	3 Qtrs
Interest expense	`InterestExpense`	$190.16M	USD	1 Quarter
Interest expense	`InterestExpense`	$531.08M	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$1.04B	USD	1 Quarter
Interest expense	`InterestExpense`	$559.51M	USD	3 Qtrs
Interest expense	`InterestExpense`	$188.78M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$3.29B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$1.12B	USD	1 Quarter
Unrealized foreign currency gains (losses)	`ForeignCurrencyTransactionGainLossUnrealized`	$-3.54M	USD	3 Qtrs
Unrealized foreign currency gains (losses)	`ForeignCurrencyTransactionGainLossUnrealized`	$-5.34M	USD	1 Quarter
Unrealized foreign currency gains (losses)	`ForeignCurrencyTransactionGainLossUnrealized`	$30.39M	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$479.07M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$1.67B	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$561.15M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$1.36B	USD	3 Qtrs
Unrealized foreign currency gains (losses)	`ForeignCurrencyTransactionGainLossUnrealized`	$-8.32M	USD	1 Quarter
Interest income, TV Azteca, net of interest expense of $292, $279, $874 and $846, respectively	`InterestIncomeExpenseNonoperatingNet`	$2.74M	USD	1 Quarter
Interest income, TV Azteca, net of interest expense of $292, $279, $874 and $846, respectively	`InterestIncomeExpenseNonoperatingNet`	$8.18M	USD	3 Qtrs
Interest income, TV Azteca, net of interest expense of $292, $279, $874 and $846, respectively	`InterestIncomeExpenseNonoperatingNet`	$8.21M	USD	3 Qtrs
Interest income, TV Azteca, net of interest expense of $292, $279, $874 and $846, respectively	`InterestIncomeExpenseNonoperatingNet`	$2.71M	USD	1 Quarter
Interest income	`InterestIncomeOther`	$8.31M	USD	1 Quarter
Interest income	`InterestIncomeOther`	$26.55M	USD	3 Qtrs
Interest income	`InterestIncomeOther`	$6.38M	USD	1 Quarter
Interest income	`InterestIncomeOther`	$16.38M	USD	3 Qtrs
Interest expense	`InterestExpense`	$190.16M	USD	1 Quarter
Interest expense	`InterestExpense`	$531.08M	USD	3 Qtrs
Interest expense	`InterestExpense`	$559.51M	USD	3 Qtrs
Interest expense	`InterestExpense`	$188.78M	USD	1 Quarter
(Loss) gain on retirement of long-term obligations	`GainsLossesOnExtinguishmentOfDebt`	$-14.18M	USD	1 Quarter
(Loss) gain on retirement of long-term obligations	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
(Loss) gain on retirement of long-term obligations	`GainsLossesOnExtinguishmentOfDebt`	$-69.90M	USD	3 Qtrs
(Loss) gain on retirement of long-term obligations	`GainsLossesOnExtinguishmentOfDebt`	$830.00K	USD	3 Qtrs
Other (expense) income (including unrealized foreign currency (losses) gains of ($5,344), ($8,321), $30,392 and ($3,544), respectively)	`OtherNonoperatingIncomeExpense`	$-25.89M	USD	3 Qtrs
Other (expense) income (including unrealized foreign currency (losses) gains of ($5,344), ($8,321), $30,392 and ($3,544), respectively)	`OtherNonoperatingIncomeExpense`	$-1.11M	USD	1 Quarter
Other (expense) income (including unrealized foreign currency (losses) gains of ($5,344), ($8,321), $30,392 and ($3,544), respectively)	`OtherNonoperatingIncomeExpense`	$-12.26M	USD	1 Quarter
Other (expense) income (including unrealized foreign currency (losses) gains of ($5,344), ($8,321), $30,392 and ($3,544), respectively)	`OtherNonoperatingIncomeExpense`	$39.97M	USD	3 Qtrs
Total other expense	`NonoperatingIncomeExpense`	$-193.06M	USD	1 Quarter
Total other expense	`NonoperatingIncomeExpense`	$-531.56M	USD	3 Qtrs
Total other expense	`NonoperatingIncomeExpense`	$-193.30M	USD	1 Quarter
Total other expense	`NonoperatingIncomeExpense`	$-554.70M	USD	3 Qtrs
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$285.77M	USD	1 Quarter
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$1.11B	USD	3 Qtrs
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$832.18M	USD	3 Qtrs
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$368.10M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$33.41M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$22.04M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$94.67M	USD	3 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$84.16M	USD	3 Qtrs
NET INCOME	`ProfitLoss`	$263.74M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$334.68M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$1.03B	USD	3 Qtrs
NET INCOME	`ProfitLoss`	$737.51M	USD	3 Qtrs
Net (income) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.29M	USD	3 Qtrs
Net (income) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$30.18M	USD	3 Qtrs
Net (income) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$17.42M	USD	1 Quarter
Net (income) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-774.00K	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION STOCKHOLDERS	`NetIncomeLoss`	$1.00B	USD	3 Qtrs
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION STOCKHOLDERS	`NetIncomeLoss`	$264.51M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION STOCKHOLDERS	`NetIncomeLoss`	$727.22M	USD	3 Qtrs
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION STOCKHOLDERS	`NetIncomeLoss`	$317.27M	USD	1 Quarter
Dividends on preferred stock	`PreferredStockDividendsIncomeStatementImpact`	$26.78M	USD	1 Quarter
Dividends on preferred stock	`PreferredStockDividendsIncomeStatementImpact`	$68.53M	USD	3 Qtrs
Dividends on preferred stock	`PreferredStockDividendsIncomeStatementImpact`	$80.34M	USD	3 Qtrs
Dividends on preferred stock	`PreferredStockDividendsIncomeStatementImpact`	$18.91M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$237.73M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$931.87M	USD	3 Qtrs
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$646.87M	USD	3 Qtrs
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$298.36M	USD	1 Quarter
Basic net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.56	USD	1 Quarter
Basic net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareBasic`	$1.52	USD	3 Qtrs
Basic net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.70	USD	1 Quarter
Basic net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareBasic`	$2.18	USD	3 Qtrs
Diluted net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.69	USD	1 Quarter
Diluted net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.55	USD	1 Quarter
Diluted net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$1.51	USD	3 Qtrs
Diluted net income attributable to American Tower Corporation common stockholders (in dollars per share)	`EarningsPerShareDiluted`	$2.16	USD	3 Qtrs
BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	427.96M	shares	3 Qtrs
BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	429.28M	shares	1 Quarter
BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	424.83M	shares	3 Qtrs
BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	425.52M	shares	1 Quarter
DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	431.32M	shares	3 Qtrs
DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	432.83M	shares	1 Quarter
DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	429.02M	shares	3 Qtrs
DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	429.93M	shares	1 Quarter
DISTRIBUTIONS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.92	USD	3 Qtrs
DISTRIBUTIONS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.55	USD	1 Quarter
DISTRIBUTIONS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.59	USD	3 Qtrs
DISTRIBUTIONS DECLARED PER COMMON SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.66	USD	1 Quarter

Cash Flow Statement 84 line items

Line Item	Tag	Value	Unit	Period
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	$19.83M	USD	3 Qtrs
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	$16.22M	USD	3 Qtrs
Net income	`ProfitLoss`	$263.74M	USD	1 Quarter
Net income	`ProfitLoss`	$334.68M	USD	1 Quarter
Net income	`ProfitLoss`	$1.03B	USD	3 Qtrs
Net income	`ProfitLoss`	$737.51M	USD	3 Qtrs
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$432.35M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$1.14B	USD	3 Qtrs
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$398.00M	USD	1 Quarter
Depreciation, amortization and accretion	`DepreciationAmortizationAndAccretionNet`	$1.25B	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$86.42M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$20.23M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$70.21M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$24.46M	USD	1 Quarter
Loss (gain) on early retirement of long-term obligations	`ExtinguishmentOfDebtGainLossNetOfTax`	$830.00K	USD	3 Qtrs
Loss (gain) on early retirement of long-term obligations	`ExtinguishmentOfDebtGainLossNetOfTax`	$-69.90M	USD	3 Qtrs
Other non-cash items reflected in statements of operations	`IncreaseDecreaseInOtherOperatingAssets`	$-120.17M	USD	3 Qtrs
Other non-cash items reflected in statements of operations	`IncreaseDecreaseInOtherOperatingAssets`	$6.57M	USD	3 Qtrs
(Increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCashForOperatingActivities`	$4.82M	USD	3 Qtrs
(Increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCashForOperatingActivities`	$-4.13M	USD	3 Qtrs
Increase in net deferred rent balances	`StraightLineRent`	$106.05M	USD	3 Qtrs
Increase in net deferred rent balances	`StraightLineRent`	$51.76M	USD	3 Qtrs
Increase in assets	`IncreaseDecreaseInOperatingAssets`	$8.86M	USD	3 Qtrs
Increase in assets	`IncreaseDecreaseInOperatingAssets`	$265.64M	USD	3 Qtrs
Increase (decrease) in liabilities	`IncreaseDecreaseInOperatingLiabilities`	$78.08M	USD	3 Qtrs
Increase (decrease) in liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-29.53M	USD	3 Qtrs
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$2.13B	USD	3 Qtrs
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$1.98B	USD	3 Qtrs
Payments for purchase of property and equipment and construction activities	`PaymentsToAcquireProductiveAssets`	$475.17M	USD	3 Qtrs
Payments for purchase of property and equipment and construction activities	`PaymentsToAcquireProductiveAssets`	$554.97M	USD	3 Qtrs
Payments for acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$1.31B	USD	3 Qtrs
Payments for acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$956.94M	USD	3 Qtrs
Payment for Verizon transaction	`PaymentsToAcquireBusinessesGross`	-	USD	3 Qtrs
Payment for Verizon transaction	`PaymentsToAcquireBusinessesGross`	$4.75M	USD	3 Qtrs
Proceeds from sale of short-term investments and other non-current assets	`ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets`	$10.14M	USD	3 Qtrs
Proceeds from sale of short-term investments and other non-current assets	`ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets`	$4.46M	USD	3 Qtrs
Deposits, restricted cash, investments and other	`PaymentsForProceedsFromOtherInvestingActivities`	$8.73M	USD	3 Qtrs
Deposits, restricted cash, investments and other	`PaymentsForProceedsFromOtherInvestingActivities`	$824.00K	USD	3 Qtrs
Cash used for investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-1.51B	USD	3 Qtrs
Cash used for investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-1.79B	USD	3 Qtrs
Repayments of short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebt`	$-7.34M	USD	3 Qtrs
Repayments of short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebt`	-	USD	3 Qtrs
Borrowings under credit facilities	`ProceedsFromLinesOfCredit`	$3.67B	USD	3 Qtrs
Borrowings under credit facilities	`ProceedsFromLinesOfCredit`	$1.60B	USD	3 Qtrs
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$1.28B	USD	3 Qtrs
Proceeds from issuance of senior notes, net	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$3.24B	USD	3 Qtrs
Repayments of notes payable, credit facilities, senior notes, term loan and capital leases	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$4.12B	USD	3 Qtrs
Repayments of notes payable, credit facilities, senior notes, term loan and capital leases	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$4.30B	USD	3 Qtrs
Contributions from (distributions to) noncontrolling interest holders, net	`ProceedsFromPaymentsToMinorityShareholders`	$264.69M	USD	3 Qtrs
Contributions from (distributions to) noncontrolling interest holders, net	`ProceedsFromPaymentsToMinorityShareholders`	$-700.00K	USD	3 Qtrs
Purchases of common stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	3 Qtrs
Purchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$669.69M	USD	3 Qtrs
Proceeds from stock options and ESPP	`ProceedsFromIssuanceOrSaleOfEquity`	$105.72M	USD	3 Qtrs
Proceeds from stock options and ESPP	`ProceedsFromIssuanceOrSaleOfEquity`	$76.60M	USD	3 Qtrs
Distributions paid on common stock	`PaymentsOfDividendsCommonStock`	$651.97M	USD	3 Qtrs
Distributions paid on common stock	`PaymentsOfDividendsCommonStock`	$789.52M	USD	3 Qtrs
Distributions paid on preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$80.34M	USD	3 Qtrs
Distributions paid on preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$72.47M	USD	3 Qtrs
Payment for early retirement of long-term obligations	`PaymentsOfDebtExtinguishmentCosts`	$125.00K	USD	3 Qtrs
Payment for early retirement of long-term obligations	`PaymentsOfDebtExtinguishmentCosts`	$75.27M	USD	3 Qtrs
Deferred financing costs and other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-29.42M	USD	3 Qtrs
Deferred financing costs and other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-28.11M	USD	3 Qtrs
Cash (used for) provided by financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$26.73M	USD	3 Qtrs
Cash (used for) provided by financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-613.93M	USD	3 Qtrs
Net effect of changes in foreign currency exchange rates on cash and cash equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-9.28M	USD	3 Qtrs
Net effect of changes in foreign currency exchange rates on cash and cash equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$4.98M	USD	3 Qtrs
NET INCREASE IN CASH AND CASH EQUIVALENTS	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$209.67M	USD	3 Qtrs
NET INCREASE IN CASH AND CASH EQUIVALENTS	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$12.31M	USD	3 Qtrs
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$799.47M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$530.36M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$787.16M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$320.69M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, END OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$799.47M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, END OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$530.36M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, END OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$787.16M	USD	Point-in-time
CASH AND CASH EQUIVALENTS, END OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$320.69M	USD	Point-in-time
CASH PAID FOR INCOME TAXES (NET OF REFUNDS OF $19,832 AND $16,219, RESPECTIVELY)	`IncomeTaxesPaidNet`	$71.87M	USD	3 Qtrs
CASH PAID FOR INCOME TAXES (NET OF REFUNDS OF $19,832 AND $16,219, RESPECTIVELY)	`IncomeTaxesPaidNet`	$87.67M	USD	3 Qtrs
CASH PAID FOR INTEREST	`InterestPaid`	$584.31M	USD	3 Qtrs
CASH PAID FOR INTEREST	`InterestPaid`	$516.38M	USD	3 Qtrs
Increase (decrease) in accounts payable and accrued expenses for purchases of property and equipment and construction activities	`ChangeInCapitalExpendituresIncurredButNotYetPaid`	$-36.61M	USD	3 Qtrs
Increase (decrease) in accounts payable and accrued expenses for purchases of property and equipment and construction activities	`ChangeInCapitalExpendituresIncurredButNotYetPaid`	$21.02M	USD	3 Qtrs
Purchases of property and equipment under capital leases	`CapitalLeaseObligationsIncurred`	$33.71M	USD	3 Qtrs
Purchases of property and equipment under capital leases	`CapitalLeaseObligationsIncurred`	$37.05M	USD	3 Qtrs

Stockholders Equity 38 line items

Line Item	Tag	Value	Unit	Period
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.98B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.71B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.77B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.11B	USD	Point-in-time
Stock-based compensation related activity	`StockIssuedDuringPeriodValueShareBasedCompensation`	$123.38M	USD	3 Qtrs
Stock-based compensation related activity	`StockIssuedDuringPeriodValueShareBasedCompensation`	$164.44M	USD	3 Qtrs
Issuance of common stock-stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$3.85M	USD	3 Qtrs
Issuance of common stock-stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$4.55M	USD	3 Qtrs
Conversion of preferred stock	`StockIssuedDuringPeriodValueConversionOfConvertibleSecuritiesNetOfAdjustments`	$-6.00K	USD	3 Qtrs
Treasury stock activity	`TreasuryStockValueAcquiredCostMethod`	$676.87M	USD	3 Qtrs
Changes in fair value of cash flow hedges, net of tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-286.00K	USD	3 Qtrs
Changes in fair value of cash flow hedges, net of tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-432.00K	USD	1 Quarter
Changes in fair value of cash flow hedges, net of tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-367.00K	USD	3 Qtrs
Changes in fair value of cash flow hedges, net of tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$14.00K	USD	1 Quarter
Reclassification of unrealized gains on cash flow hedges to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-19.00K	USD	1 Quarter
Reclassification of unrealized gains on cash flow hedges to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$173.00K	USD	3 Qtrs
Reclassification of unrealized gains on cash flow hedges to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$108.00K	USD	1 Quarter
Reclassification of unrealized gains on cash flow hedges to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$99.00K	USD	3 Qtrs
Foreign currency translation adjustment, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-43.28M	USD	3 Qtrs
Foreign currency translation adjustment, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-91.61M	USD	1 Quarter
Foreign currency translation adjustment, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$12.58M	USD	1 Quarter
Foreign currency translation adjustment, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$252.02M	USD	3 Qtrs
Foreign currency translation adjustment, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital`	$208.62M	USD	3 Qtrs
Foreign currency translation adjustment, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital`	$-41.14M	USD	3 Qtrs
Contributions from noncontrolling interest holders	`NoncontrollingInterestIncreaseFromBusinessCombination`	$314.06M	USD	3 Qtrs
Contributions from noncontrolling interest holders	`NoncontrollingInterestIncreaseFromBusinessCombination`	$47.00K	USD	3 Qtrs
Distributions to noncontrolling interest holders	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$747.00K	USD	3 Qtrs
Distributions to noncontrolling interest holders	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$818.00K	USD	3 Qtrs
Common stock distributions declared	`DividendsCommonStockCash`	$826.12M	USD	3 Qtrs
Common stock distributions declared	`DividendsCommonStockCash`	$679.00M	USD	3 Qtrs
Preferred stock dividends declared	`DividendsPreferredStockCash`	$80.34M	USD	3 Qtrs
Preferred stock dividends declared	`DividendsPreferredStockCash`	$72.47M	USD	3 Qtrs
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$735.97M	USD	3 Qtrs
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$1.02B	USD	3 Qtrs
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.98B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.71B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.77B	USD	Point-in-time
BALANCE	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.11B	USD	Point-in-time

Comprehensive Income 44 line items

Line Item	Tag	Value	Unit	Period
Changes in fair value of cash flow hedges, tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	-	USD	1 Quarter
Changes in fair value of cash flow hedges, tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	-	USD	3 Qtrs
Changes in fair value of cash flow hedges, tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	-	USD	3 Qtrs
Changes in fair value of cash flow hedges, tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	-	USD	1 Quarter
Net income	`ProfitLoss`	$263.74M	USD	1 Quarter
Net income	`ProfitLoss`	$334.68M	USD	1 Quarter
Net income	`ProfitLoss`	$1.03B	USD	3 Qtrs
Net income	`ProfitLoss`	$737.51M	USD	3 Qtrs
Reclassification of unrealized gains on cash flow hedges to net income, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	-	USD	3 Qtrs
Reclassification of unrealized gains on cash flow hedges to net income, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	-	USD	3 Qtrs
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
Changes in fair value of cash flow hedges, net of tax of $0	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-286.00K	USD	3 Qtrs
Foreign currency translation adjustments, tax expense (benefit)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$-1.50M	USD	1 Quarter
Foreign currency translation adjustments, tax expense (benefit)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$5.39M	USD	3 Qtrs
Changes in fair value of cash flow hedges, net of tax of $0	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-432.00K	USD	1 Quarter
Changes in fair value of cash flow hedges, net of tax of $0	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-367.00K	USD	3 Qtrs
Foreign currency translation adjustments, tax expense (benefit)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$2.29M	USD	1 Quarter
Changes in fair value of cash flow hedges, net of tax of $0	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$14.00K	USD	1 Quarter
Foreign currency translation adjustments, tax expense (benefit)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$4.71M	USD	3 Qtrs
Reclassification of unrealized losses (gains) on cash flow hedges to net income, net of tax of $0	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-19.00K	USD	1 Quarter
Reclassification of unrealized losses (gains) on cash flow hedges to net income, net of tax of $0	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$173.00K	USD	3 Qtrs
Reclassification of unrealized losses (gains) on cash flow hedges to net income, net of tax of $0	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$108.00K	USD	1 Quarter
Reclassification of unrealized losses (gains) on cash flow hedges to net income, net of tax of $0	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$99.00K	USD	3 Qtrs
Foreign currency translation adjustments, net of tax expense (benefit) of $2,292, ($1,495), $4,714 and $5,388, respectively	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-43.28M	USD	3 Qtrs
Foreign currency translation adjustments, net of tax expense (benefit) of $2,292, ($1,495), $4,714 and $5,388, respectively	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-91.61M	USD	1 Quarter
Foreign currency translation adjustments, net of tax expense (benefit) of $2,292, ($1,495), $4,714 and $5,388, respectively	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$12.58M	USD	1 Quarter
Foreign currency translation adjustments, net of tax expense (benefit) of $2,292, ($1,495), $4,714 and $5,388, respectively	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$252.02M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-43.82M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$12.61M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$251.63M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-92.15M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$347.30M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$693.68M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$171.59M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.28B	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$121.51M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$12.45M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$5.84M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$20.26M	USD	1 Quarter
Comprehensive income attributable to American Tower Corporation stockholders	`ComprehensiveIncomeNetOfTax`	$159.13M	USD	1 Quarter
Comprehensive income attributable to American Tower Corporation stockholders	`ComprehensiveIncomeNetOfTax`	$327.04M	USD	1 Quarter
Comprehensive income attributable to American Tower Corporation stockholders	`ComprehensiveIncomeNetOfTax`	$1.16B	USD	3 Qtrs
Comprehensive income attributable to American Tower Corporation stockholders	`ComprehensiveIncomeNetOfTax`	$687.84M	USD	3 Qtrs

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