v3.20.2
Restructuring Costs (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]          
Stock-based compensation expense $ 259 $ 130 $ 397 $ 240  
Toll and interconnect 224   224   $ 156
Sprint          
Restructuring Cost and Reserve [Line Items]          
Restructuring costs 482   482    
Stock-based compensation expense 67   67    
Toll and interconnect $ 255   $ 255