v3.25.4
Pension and Postretirement Plans - Accumulated Benefit Obligation in Excess of Plan Assets (Details) - Pension Benefits - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
United States    
Defined Benefit Plan Disclosure [Line Items]    
Accumulated benefit obligations $ 55 $ 100
Fair value of plan assets 0 0
Int’l.    
Defined Benefit Plan Disclosure [Line Items]    
Accumulated benefit obligations 16 134
Fair value of plan assets $ 1 $ 13