v3.25.2
Retirement Plans and Other Retiree Benefits - Schedule of Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2023
Jun. 30, 2025
Jun. 30, 2024
Components of net periodic benefit cost            
ERISA litigation matter   $ 65   $ 267 $ 65 $ 0
Other Retiree Benefits            
Components of net periodic benefit cost            
Service cost $ 1   $ 2   3 4
Interest cost 9   11   18 19
Expected return on plan assets 0   0   0 0
Amortization of actuarial loss (gain) (3)   (5)   (7) (8)
Net periodic benefit cost 7   8   14 15
ERISA litigation matter         0 0
Total pension cost         14 15
United States | Pension Benefits            
Components of net periodic benefit cost            
Service cost 0   0   0 0
Interest cost 23   24   47 47
Expected return on plan assets (18)   (20)   (37) (39)
Amortization of actuarial loss (gain) 9   11   18 21
Net periodic benefit cost 14   15   28 29
ERISA litigation matter         50 0
Total pension cost         78 29
United States | Other Retiree Benefits            
Components of net periodic benefit cost            
Voluntary benefit plan contribution         11 0
International | Pension Benefits            
Components of net periodic benefit cost            
Service cost 5   5   9 8
Interest cost 8   7   16 15
Expected return on plan assets (6)   (6)   (12) (13)
Amortization of actuarial loss (gain) 1   0   2 2
Net periodic benefit cost $ 8   $ 6   15 12
ERISA litigation matter         0 0
Total pension cost         $ 15 $ 12