v3.26.3
Pension, Savings and Other Postretirement Benefit Plans - Schedule of Defined Benefit Pension Cost (Details) - Pension Plan - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
U.S.        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Type [Extensible Enumeration]     Pension Plan Pension Plan
Service cost $ 1 $ 1 $ 4 $ 4
Interest cost 32 40 96 121
Expected return on plan assets (43) (50) (130) (151)
Amortization of net losses 22 24 65 71
Net periodic pension cost 12 15 35 45
Net curtailments/settlements/termination benefits 7 68 7 76
Total defined benefit pension cost 19 83 $ 42 $ 121
Non-U.S.        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Type [Extensible Enumeration]     Pension Plan Pension Plan
Service cost 4 4 $ 11 $ 12
Interest cost 24 26 74 76
Expected return on plan assets (22) (24) (67) (70)
Amortization of prior service cost 0 0 1 1
Amortization of net losses 5 6 16 16
Net periodic pension cost 11 12 35 35
Net curtailments/settlements/termination benefits 0 0 0 1
Total defined benefit pension cost $ 11 $ 12 $ 35 $ 36