v3.25.4
Income Taxes, Change in Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance, beginning of period $ 3,105 $ 4,114 $ 5,437
Additions:      
For tax positions related to the current year 184 292 246
For tax positions related to prior years 10 140 352
Reductions:      
For tax positions related to prior years (742) (1,354) (765)
Lapse of statute of limitations (27) (44) (389)
Settlements with tax authorities (2) (43) (767)
Balance, end of period 2,528 3,105 4,114
Unrecognized tax benefits 2,528 3,105 4,114
Unrecognized tax benefits that would impact effective tax rate 1,700 2,000 2,300
Accrued interest and penalties (193) (53)  
Recognized interest and penalties benefit, net of tax $ (144) $ (199) $ (325)
Income tax, interest recognition, classification [Extensible Enumeration] Income tax expense (benefit) Income tax expense (benefit)  
Income tax, penalty recognition, classification [Extensible Enumeration] Income tax expense (benefit) Income tax expense (benefit)