Employee Benefit Plans - Postemployment Plan Net Cost (Details) - Postemployment Retirement Benefits - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Net service cost	$ 8	$ 4	$ 57	$ 13
Interest cost	1	0	2	1
Amortization of prior service benefit	0	(1)	(1)	(2)
Amortization of actuarial gain	(1)	(1)	(1)	(1)
Net benefit cost	$ 8	$ 2	$ 57	$ 11