v3.26.1
Pension and Other Postretirement Benefits - Schedule of components of net periodic benefit (cost) (Details) - Pension Plan - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
U.S. Plans        
Benefit plans        
Service cost $ 0 $ 0 $ 1 $ 1
Interest cost 4 4 7 7
Expected return on plan assets (5) (4) (9) (8)
Net periodic cost (1) 0 (1) 0
Non-U.S. Plans        
Benefit plans        
Service cost 1 0 2 1
Interest cost 3 2 5 4
Expected return on plan assets (3) (2) (5) (4)
Net periodic cost $ 1 $ 0 $ 2 $ 1