v3.24.4
Property and Equipment - Schedule of Components of Property and Equipment, Excluding Amounts Transferred to Held for Sale (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]      
Accumulated depreciation and amortization $ (56,367) $ (58,481)  
Property and equipment, net 38,533 40,432  
Depreciation expense 12,100 12,000 $ 12,700
Depreciation expense for lease devices 54 170 1,100
Capitalized interest 34 104 $ 61
Land      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 69 72  
Buildings and equipment      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 4,377 4,465  
Wireless communications systems      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 65,778 65,628  
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 2,588 2,489  
Capitalized software      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 18,566 22,573  
Leased wireless devices      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 145 400  
Construction in progress      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment $ 3,377 $ 3,286  
Maximum | Buildings and equipment      
Property, Plant and Equipment [Line Items]      
Useful life (in years) 30 years    
Maximum | Wireless communications systems      
Property, Plant and Equipment [Line Items]      
Useful life (in years) 20 years    
Maximum | Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Useful life (in years) 10 years    
Maximum | Capitalized software      
Property, Plant and Equipment [Line Items]      
Useful life (in years) 8 years    
Maximum | Leased wireless devices      
Property, Plant and Equipment [Line Items]      
Useful life (in years) 16 months