v3.26.1
LONG-TERM OBLIGATIONS - Key Terms of Notes (Details) - American Tower Corporation - Senior notes - 4.000% Senior Notes due 2033
€ in Millions, $ in Millions
May 27, 2026
EUR (€)
Jun. 30, 2026
USD ($)
May 27, 2026
USD ($)
Debt Instrument [Line Items]      
Contractual Interest Rate (as a percent) 4.00% 4.00% 4.00%
Aggregate Principal Amount € 750.0 $ 872.0 $ 872.0
Debt Instrument, Redemption Option One      
Debt Instrument [Line Items]      
Redemption price percentage 100.00%