v3.24.0.1
Property and Equipment (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Property, Plant and Equipment [Line Items]      
Accumulated depreciation and amortization $ (58,481) $ (53,102)  
Property and equipment, net 40,432 42,086  
Depreciation expense 12,000 12,700 $ 15,200
Depreciation expense for lease devices 170 1,100 3,100
Capitalized interest 104 61 $ 210
Land      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 72 109  
Buildings and equipment      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 4,465 4,659  
Wireless communications systems      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 65,628 61,738  
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 2,489 2,326  
Capitalized software      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 22,573 20,342  
Leased wireless devices      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 400 1,415  
Construction in progress      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment $ 3,286 $ 4,599  
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) 10 years    
Maximum | Leased wireless devices      
Property, Plant and Equipment [Line Items]      
Useful life (in years) 16 months