v3.26.1
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 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Pensions        
Net periodic cost:        
Service cost $ 1 $ 1 $ 2 $ 2
Interest cost 4 4 8 8
Expected return on plan assets (4) (5) (8) (10)
Net amortization of actuarial loss and prior service credit 1 0 1 1
Total net periodic cost 2 0 3 1
Other Postretirement Benefit Plans        
Net periodic cost:        
Interest cost 1 1 1 1
Total net periodic cost $ 1 $ 1 $ 1 $ 1