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v3.25.1

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%

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