v3.25.4
Pensions Benefit Plans and Other Postretirement Benefits - Projected and Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets (Details) - Pension Benefit Plans. - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
U.S.    
Projected Benefit Obligation Exceeds the Fair Value of Plan Assets    
Projected benefit obligations $ 3 $ 257
Accumulated benefit obligation 3 257
Fair value of plan assets   250
Accumulated Benefit Obligations Exceeds the Fair Value of Plan Assets    
Projected benefit obligations 3 257
Accumulated benefit obligation 3 257
Fair value of plan assets   250
Non-U.S.    
Projected Benefit Obligation Exceeds the Fair Value of Plan Assets    
Projected benefit obligations 246 227
Projected benefit obligations 246 227
Accumulated benefit obligation 217 199
Accumulated benefit obligation 217 199
Fair value of plan assets 38 32
Fair value of plan assets 38 32
Accumulated Benefit Obligations Exceeds the Fair Value of Plan Assets    
Projected benefit obligations 246 227
Accumulated benefit obligation 217 199
Fair value of plan assets $ 38 $ 32