v3.25.1
Long-term Employee Benefits - (Narrative) (Details) - Defined Benefit Pension Plan [Member] - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Defined Benefit Plan Disclosure [Line Items]    
Employer contributions during period $ 4 $ 4
Estimated future employer contributions in current fiscal year $ 2