Debt Instrument, Repurchase Amount Including Interest

No definition available.

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- Definition

Debt, Interest Accrual Period

+ References

No definition available.

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- Definition

The maximum times Adjusted EBITDA for liens covenant as defined in the Senior Notes agreement.

+ References

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt.

+ References

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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LONG-TERM OBLIGATIONS - NARRATIVE (Details) € in Millions				3 Months Ended
LONG-TERM OBLIGATIONS - NARRATIVE (Details) € in Millions	Feb. 13, 2020 USD ($)	Jan. 15, 2020 USD ($)	Jan. 10, 2020 USD ($)	Mar. 31, 2020 EUR (€)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Feb. 14, 2019 USD ($)
Debt Instrument [Line Items]
Current portion of long-term obligations					$ 2,640,000,000.0		$ 2,928,200,000
Loss on retirement of long-term obligations					34,600,000	$ 100,000
Proceeds from issuance of debt					750,000,000.0	1,300,000,000.0
Borrowings under credit facilities					2,642,300,000	$ 1,700,000,000.0
2019 Multicurrency Credit Facility \| Credit Facility \| American Tower Corporation
Debt Instrument [Line Items]
Borrowings under credit facilities				€ 875.0	971,800,000
Repayment of indebtedness under credit facility					700,000,000.0
Line of credit maximum borrowing capacity					3,000,000,000.0
2019 Credit Facility \| Credit Facility \| American Tower Corporation
Debt Instrument [Line Items]
Borrowings under credit facilities					1,700,000,000
Repayment of indebtedness under credit facility					$ 1,900,000,000
Line of credit maximum borrowing capacity							$ 2,250,000,000
2019 Credit Facility \| Credit Facility \| Current margin over LIBOR \| American Tower Corporation
Debt Instrument [Line Items]
Current margin over LIBOR (as a percent)				1.125%	1.125%
Unsecured debt \| 2020 Term Loan \| American Tower Corporation
Debt Instrument [Line Items]
Current portion of long-term obligations	$ 750,000,000.0
Unsecured debt \| 2020 Term Loan \| Current margin over LIBOR \| American Tower Corporation
Debt Instrument [Line Items]
Current margin over LIBOR (as a percent)	0.65%			0.65%	0.65%
Unsecured debt \| 2020 Term Loan \| Base Rate \| American Tower Corporation
Debt Instrument [Line Items]
Current margin over LIBOR (as a percent)	0.00%
Unsecured debt \| 2019 364-Day Term Loan \| American Tower Corporation
Debt Instrument [Line Items]
Senior note public offering, amount								$ 1,300,000,000
Long-term debt term					364 days			364 days
Senior notes
Debt Instrument [Line Items]
Maximum adjusted EBITDA					3.5
Senior notes \| 2.800% senior notes
Debt Instrument [Line Items]
Long-term debt, stated interest rate (as a percent)					2.80%
Senior notes \| 2.800% senior notes \| American Tower Corporation
Debt Instrument [Line Items]
Current portion of long-term obligations					$ 750,000,000.0
Long-term debt, stated interest rate (as a percent)					2.80%
Senior notes \| 3.300% senior notes \| American Tower Corporation
Debt Instrument [Line Items]
Current portion of long-term obligations					$ 750,000,000.0
Long-term debt, stated interest rate (as a percent)					3.30%
Senior notes \| 5.900% Senior Notes \| American Tower Corporation
Debt Instrument [Line Items]
Long-term debt, stated interest rate (as a percent)		5.90%			5.90%
Debt redeemed aggregate principal amount		$ 500,000,000.0
Debt redemption price rate (as a percent)		106.709%
Debt redeemed aggregate redemption price		$ 539,600,000
Accrued and unpaid interest		6,100,000
Loss on retirement of long-term obligations		34,600,000
Prepayment consideration		$ 33,500,000
Senior notes \| 2.400% senior notes \| American Tower Corporation
Debt Instrument [Line Items]
Long-term debt, stated interest rate (as a percent)			2.40%		2.40%
Senior note public offering, amount			$ 750,000,000.0
Senior notes \| 2.900% senior notes \| American Tower Corporation
Debt Instrument [Line Items]
Long-term debt, stated interest rate (as a percent)			2.90%		2.90%
Senior note public offering, amount			$ 750,000,000.0
Proceeds from issuance of debt			$ 1,483,400,000
Debt, interest accrual period			360 days
Secured debt \| Series 2015-1 notes \| American Tower subsidiary
Debt Instrument [Line Items]
Current portion of long-term obligations					$ 350,000,000.0