v3.26.1
Employee Benefit Plans - Total Recognized in Net Periodic Benefit Cost and Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Retiree Health        
Components of Net Periodic Benefit Costs:        
Service cost $ 1 $ 0 $ 1 $ 0
Interest cost 2 2 4 4
Expected return on plan assets 0 0 0 0
Recognized net actuarial loss (gain) (3) (3) (5) (6)
Amortization of prior service cost (credit) (3) (3) (6) (6)
Other 0 0 0 0
Net Periodic Defined Benefit Cost (Credit) (3) (4) (6) (8)
Total Employee Benefit Plans Cost (Credit) (3) (4) (6) (8)
U.S. Plans | Pension Benefits        
Components of Net Periodic Benefit Costs:        
Service cost 0 0 0 0
Interest cost 32 29 64 57
Expected return on plan assets (27) (22) (54) (44)
Recognized net actuarial loss (gain) 6 4 11 9
Amortization of prior service cost (credit) 0 0 0 0
Other 0 0 0 0
Net Periodic Defined Benefit Cost (Credit) 11 11 21 22
Defined contribution plans 5   10 0
Defined contribution plans   (3)    
Total Employee Benefit Plans Cost (Credit) 16 8 31 22
Non-U.S. Plans | Pension Benefits        
Components of Net Periodic Benefit Costs:        
Service cost 2 1 4 2
Interest cost 50 49 101 95
Expected return on plan assets (53) (53) (107) (102)
Recognized net actuarial loss (gain) 15 15 30 27
Amortization of prior service cost (credit) 3 2 5 4
Other (1) 0 (1) 0
Net Periodic Defined Benefit Cost (Credit) 16 14 32 26
Defined contribution plans 6 4 12 10
Total Employee Benefit Plans Cost (Credit) $ 22 $ 18 $ 44 $ 36