v3.24.4
Segment Reporting (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Information [Line Items]      
Total revenues $ 81,400 $ 78,558 $ 79,571
Less: Significant and other segment expenses      
Advertising expense 3,100 2,500 2,300
Bad debt expense 1,192 898 1,026
Impairment expense 0 0 477
(Gain) loss on disposal group held for sale 0 (25) 1,087
Interest expense, net 3,411 3,335 3,364
Other (income) expense, net (113) (68) 33
Income tax expense 3,373 2,682 556
Net income 11,339 8,317 2,590
Equipment revenues      
Segment Reporting Information [Line Items]      
Total revenues 14,263 14,138 17,130
Less: Significant and other segment expenses      
Cost of equipment sales 18,882 18,533 21,540
Wireless      
Segment Reporting Information [Line Items]      
Total revenues 81,400 78,558 79,571
Less: Significant and other segment expenses      
Employee expenses 7,041 7,629 7,626
Lease expense 5,066 5,398 6,998
Advertising expense 3,067 2,515 2,306
Bad debt expense 1,192 898 1,026
Other segment items 15,223 16,526 18,317
Impairment expense 0 0 477
(Gain) loss on disposal group held for sale 0 (25) 1,087
Depreciation and amortization 12,919 12,818 13,651
Interest expense, net 3,411 3,335 3,364
Other (income) expense, net (113) (68) 33
Income tax expense 3,373 2,682 556
Net income 11,339 8,317 2,590
Wireless | Equipment revenues      
Less: Significant and other segment expenses      
Cost of equipment sales $ 18,882 $ 18,533 $ 21,540