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

No definition available.

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- Definition

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

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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.

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

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LONG-TERM OBLIGATIONS - Offerings of Senior Notes (Details) - USD ($) $ in Millions		3 Months Ended
	Mar. 14, 2025	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Debt Instrument [Line Items]
Proceeds from issuance of senior long-term debt		$ 998.0	$ 1,293.0
Redemption price percentage		101.00%
Maximum adjusted EBITDA		3.5
Senior notes
Debt Instrument [Line Items]
Redemption price percentage		100.00%
American Tower Corporation \| Senior notes \| 4.900% Senior Notes Due 2030 and 5.350% Senior Notes Due 2035
Debt Instrument [Line Items]
Proceeds from issuance of senior long-term debt	$ 988.9
American Tower Corporation \| Senior notes \| 4.900% senior notes
Debt Instrument [Line Items]
Debt interest rate (as a percent)	4.90%	4.90%
Debt face amount	$ 650.0
American Tower Corporation \| Senior notes \| 5.350% senior notes
Debt Instrument [Line Items]
Debt interest rate (as a percent)	5.35%	5.35%
Debt face amount	$ 350.0
American Tower Corporation \| Senior notes \| 2.400% senior notes
Debt Instrument [Line Items]
Debt interest rate (as a percent)	2.40%			2.40%