v3.26.1
Retirement Plans and Other Retiree Benefits (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Components of net periodic benefit cost        
ERISA litigation matter     $ 0 $ 65
Other Retiree Benefits        
Components of net periodic benefit cost        
Service cost $ 1 $ 1 3 3
Interest cost 9 9 18 18
Expected return on plan assets 0 0 0 0
Amortization of actuarial loss (gain) (3) (3) (7) (7)
Net periodic benefit cost 7 7 14 14
Other postretirement charges     5 0
ERISA litigation matter     0 0
Total pension cost     19 14
United States | Pension Benefits        
Components of net periodic benefit cost        
Service cost 0 0 0 0
Interest cost 22 23 44 47
Expected return on plan assets (19) (18) (38) (37)
Amortization of actuarial loss (gain) 8 9 17 18
Net periodic benefit cost 11 14 23 28
Other postretirement charges     0 0
ERISA litigation matter     0 50
Total pension cost     23 78
International | Pension Benefits        
Components of net periodic benefit cost        
Service cost 4 5 9 9
Interest cost 9 8 18 16
Expected return on plan assets (6) (6) (13) (12)
Amortization of actuarial loss (gain) 1 1 3 2
Net periodic benefit cost $ 8 $ 8 17 15
Other postretirement charges     0 0
ERISA litigation matter     0 0
Total pension cost     $ 17 $ 15