Pension, Savings and Other Postretirement Benefit Plans - Defined Benefit Pension Cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
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	$ 4	$ 4
Interest cost	43	52	87	101
Expected return on plan assets	(52)	(60)	(104)	(118)
Amortization of net losses	24	24	48	49
Net periodic pension cost	17	18	35	36
U.S. | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Net curtailments/settlements/termination benefits	0	33	(5)	33
Total defined benefit pension cost	$ 17	$ 51	$ 30	$ 69
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	$ 9	$ 9
Interest cost	26	27	53	54
Expected return on plan assets	(22)	(23)	(45)	(46)
Amortization of prior service cost	1	1	1	1
Amortization of net losses	5	4	10	9
Net periodic pension cost	14	13	28	27
Non-U.S. | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Net curtailments/settlements/termination benefits	0	3	0	3
Total defined benefit pension cost	$ 14	$ 16	$ 28	$ 30