v3.26.1
Long-term Employee Benefits - Schedule of Net Periodic Pension Cost and Amounts Recognized in Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Defined Benefit Plan Disclosure [Line Items]    
Total net periodic pension cost $ 0 $ 0
Amortization of actuarial loss   1
Effect of foreign exchange rates 1 (2)
Benefit (cost) recognized in other comprehensive income 1 (1)
Pension Plan [Member] | Foreign [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Service cost (2) (2)
Interest cost (4) (3)
Expected return on plan assets 6 6
Amortization of actuarial loss   (1)
Amortization of actuarial loss   1
Effect of foreign exchange rates 1 (2)
Benefit (cost) recognized in other comprehensive income 1 (1)
Total changes in plan assets and benefit obligations recognized in other comprehensive income $ 1 $ (1)