v3.25.4
Pension, Savings and Other Postretirement Benefit Plans - Amounts Recognized in Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Pension Plans | U.S.    
Defined Benefit Plan Disclosure [Line Items]    
Prior service cost (credit) $ 0 $ 0
Net actuarial loss (gain) 1,449 1,690
Gross amount recorded 1,449 1,690
Deferred income taxes 118 118
Minority shareholders’ equity 0 0
Net amount recorded 1,567 1,808
Pension Plans | Non-U.S.    
Defined Benefit Plan Disclosure [Line Items]    
Prior service cost (credit) 17 17
Net actuarial loss (gain) 502 492
Gross amount recorded 519 509
Deferred income taxes (65) (64)
Minority shareholders’ equity (1) (2)
Net amount recorded 453 443
Other Postretirement Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Prior service cost (credit) (22) (29)
Net actuarial loss (gain) (76) (86)
Gross amount recorded (98) (115)
Deferred income taxes 5 4
Minority shareholders’ equity 0 0
Net amount recorded $ (93) $ (111)