Pension, Savings and Other Postretirement Benefit Plans - Defined Benefit Pension Cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
U.S.
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Type [Extensible Enumeration]	Pension Plan	Pension Plan	Pension Plan	Pension Plan
Service cost	$ 2	$ 2	$ 3	$ 4
Interest cost	40	43	81	87
Expected return on plan assets	(50)	(52)	(101)	(104)
Amortization of net losses	23	24	47	48
Net periodic pension cost	15	17	30	35
U.S. | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Net curtailments/settlements/termination benefits	0	0	8	(5)
Total defined benefit pension cost	$ 15	$ 17	$ 38	$ 30
Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Type [Extensible Enumeration]	Pension Plan	Pension Plan	Pension Plan	Pension Plan
Service cost	$ 4	$ 4	$ 8	$ 9
Interest cost	26	26	50	53
Expected return on plan assets	(24)	(22)	(46)	(45)
Amortization of prior service cost	1	1	1	1
Amortization of net losses	5	5	10	10
Net periodic pension cost	12	14	23	28
Non-U.S. | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Net curtailments/settlements/termination benefits	0	0	1	0
Total defined benefit pension cost	$ 12	$ 14	$ 24	$ 28