v3.26.3
Pension and Other Postretirement Healthcare Benefits - Schedule of Components of Net Periodic Cost Associated with Our U.S. and Foreign Pension Plans (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Pensions        
Net periodic cost:        
Service cost $ 1 $ 1 $ 3 $ 2
Interest cost 4 5 12 13
Expected return on plan assets (4) (5) (12) (14)
Net amortization of actuarial loss and prior service credit 1 0 2 1
Total net periodic cost 2 1 5 2
Other Postretirement Benefit Plans        
Net periodic cost:        
Interest cost 0 1 1 2
Total net periodic cost $ 0 $ 1 $ 1 $ 2