v3.26.3
Employee Benefit Plans - Total Recognized in Net Periodic Benefit Cost and Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Retiree Health        
Components of Net Periodic Benefit Costs:        
Service cost $ 0 $ 0 $ 1 $ 0
Interest cost 2 2 6 6
Expected return on plan assets 0 0 0 0
Recognized net actuarial loss (gain) (2) (3) (7) (9)
Amortization of prior service cost (credit) (3) (4) (9) (10)
Other 0 0 0 0
Defined benefit plans (3) (5) (9) (13)
Total Employee Benefit Plans Cost (Credit) (3) (5) (9) (13)
U.S. Plans | Pension Benefits        
Components of Net Periodic Benefit Costs:        
Service cost 0 0 0 0
Interest cost 31 33 95 90
Expected return on plan assets (26) (26) (80) (70)
Recognized net actuarial loss (gain) 5 6 16 15
Amortization of prior service cost (credit) 0 0 0 0
Other 0 0 0 0
Defined benefit plans 10 13 31 35
Defined contribution plans 4 2 14 2
Total Employee Benefit Plans Cost (Credit) 14 15 45 37
Non-U.S. Plans | Pension Benefits        
Components of Net Periodic Benefit Costs:        
Service cost 2 3 6 5
Interest cost 50 51 151 146
Expected return on plan assets (53) (54) (160) (156)
Recognized net actuarial loss (gain) 15 13 45 40
Amortization of prior service cost (credit) 2 2 7 6
Other 0 0 (1) 0
Defined benefit plans 16 15 48 41
Defined contribution plans 7 6 19 16
Total Employee Benefit Plans Cost (Credit) $ 23 $ 21 $ 67 $ 57