v3.24.2
GOODWILL AND OTHER INTANGIBLE ASSETS - Other Intangible Assets Subject to Amortization (Details) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Value $ 25,922.6 $ 26,437.1
Accumulated Amortization (10,163.5) (9,916.4)
Net Book Value 15,759.1 16,520.7
Acquired network location intangibles    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Value 5,867.6 5,981.5
Accumulated Amortization (2,803.5) (2,775.8)
Net Book Value $ 3,064.1 $ 3,205.7
Acquired network location intangibles | Maximum    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Lives (years) 30 years 20 years
Acquired tenant-related intangibles    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Value $ 18,564.2 $ 18,894.5
Accumulated Amortization (6,893.8) (6,698.6)
Net Book Value $ 11,670.4 12,195.9
Acquired tenant-related intangibles | Maximum    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Lives (years) 30 years  
Acquired licenses and other intangibles    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Value $ 1,490.8 1,561.1
Accumulated Amortization (466.2) (442.0)
Net Book Value $ 1,024.6 $ 1,119.1
Acquired licenses and other intangibles | Minimum    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Lives (years) 2 years  
Acquired licenses and other intangibles | Maximum    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Lives (years) 30 years