v3.24.0.1
Leases - Leased Wireless Devices (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]    
Accumulated depreciation $ (58,481) $ (53,102)
Property and equipment, net $ 40,432 42,086
Assets Leased To Others    
Property, Plant and Equipment [Line Items]    
Useful life (in years) 8 months  
Leased wireless devices, gross $ 400 1,415
Accumulated depreciation (285) (1,146)
Property and equipment, net $ 115 $ 269