v3.26.1
Pension Benefits - Net Periodic Benefit Cost (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Defined Benefit Plan Disclosure [Line Items]    
Curtailment loss $ 4  
Foreign Plan    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 3 $ 1
Interest cost 6 2
Expected return on plan assets (1) 0
Curtailment loss 4 0
Net periodic benefit cost $ 12 $ 3