v3.26.3
Pension and Other Postretirement Benefits - Schedule of Components of Net Periodic Pension and Other Postretirement Benefits Costs (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Other Postretirement Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost $ 2 $ 1 $ 5 $ 3
Net periodic cost 2 1 5 3
U.S. | Pension Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 3 3 9 9
Interest cost 4 4 12 12
Expected return on plan assets (3) (3) (10) (10)
Recognized prior service credit 1 0 1 0
Recognized net loss 2 3 7 9
Net periodic cost 7 7 19 20
Non U.S. | Pension Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 3 2 6 6
Interest cost 3 3 10 9
Expected return on plan assets (3) (3) (9) (9)
Recognized prior service credit (1) 0 (1) 0
Settlement and curtailments 0 0 0 (5)
Net periodic cost $ 2 $ 2 $ 6 $ 1