v3.25.4
Additional Financial Information - Income Statement Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Depreciation expense $ 15,350 $ 15,112 $ 14,937
Interest costs on debt balances 7,291 7,382 7,123
Net amortization of debt discount 143 230 219
Capitalized interest costs (740) (963) (1,818)
Advertising expense 3,832 3,976 3,847
Other income (expense), net      
Interest income 329 336 354
Other components of net periodic benefit (cost) income (827) 300 (938)
Net debt extinguishment gains 368 385 308
Other, net 237 (26) (37)
Other income (expense), net $ 107 $ 995 $ (313)