Benefit Obligations - Schedule of Net Periodic Benefit Costs Recognized (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3	$ 3	$ 10	$ 10
Interest cost	17	13	50	40
Expected return on plan assets	(42)	(51)	(125)	(154)
Total	(22)	(35)	(65)	(104)
Post-retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	0	1	1
Interest cost	0	1	1	1
Expected return on plan assets	0	0	0	0
Total	$ 1	$ 1	$ 2	$ 2