v3.25.4
RETIREMENT BENEFITS - Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Change in accumulated other comprehensive income (loss)      
Beginning of year balance, net of tax $ 209,366 $ 206,251  
Change, net of tax [1] (91) 423 $ (295)
End of year balance, net of tax 213,822 209,366 206,251
Benefit plans      
Change in accumulated other comprehensive income (loss)      
Beginning of year balance, net of tax (5,627) (6,050) (5,755)
Actuarial assumptions changes and plan experience (681) 625 (547)
Net gain (loss) due to difference between actual and expected returns 565 (562) 263
Net amortization 245 239 175
Prior service (cost) benefit (36) 1 2
Banamex equity interest sale 214 0 0
Foreign exchange impact and other (155) 271 (239)
Change in deferred taxes, net (35) (153) 58
Change, net of tax 123 423 (295)
End of year balance, net of tax (5,504) (5,627) (6,050)
Curtailment/settlement impact      
Change in accumulated other comprehensive income (loss)      
Curtailment/settlement gain (loss) $ 6 $ 2 $ (7)
[1] The changes below are exclusive of the impacts of the Banamex equity interest sale. See the Consolidated Statement of Changes in Stockholders’ Equity and Note 21.