v3.20.4
Business Combination - Schedule of Pro Forma Information (Details) - Sprint - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]    
Total revenues $ 74,681 $ 70,607
Income from continuing operations 3,302 185
Income from discontinued operations, net of tax 677 1,594
Net income $ 3,979 $ 1,792