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

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

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

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

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Weighted average interest rate of long-term debt outstanding calculated at point in time.

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

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LONG-TERM OBLIGATIONS - Bangladesh Term Loan and CoreSite DE1 Note (Details) - Unsecured debt - American Tower subsidiary ৳ in Millions, $ in Millions				1 Months Ended
	Apr. 01, 2025 USD ($)	Mar. 24, 2025 USD ($)	Mar. 24, 2025 BDT (৳)	Mar. 24, 2025 USD ($)	Jun. 30, 2025	Mar. 24, 2025 BDT (৳)
Bangladesh Term Loan
Debt Instrument [Line Items]
Aggregate principal amount		$ 3.3		$ 3.3		৳ 400.0
Debt instrument term				8 years
Proceeds from term loans		$ 1.2	৳ 150.0
Debt interest rate (as a percent)		13.50%		13.50%		13.50%
CoreSite DE1 Note
Debt Instrument [Line Items]
Aggregate principal amount	$ 5.0
Basis spread on variable rate (as a percent)	2.00%
Interest rate (as a percent)					9.50%