Employee Benefit Plans - Components of Net Periodic Cost (Income) (Details) - Pension Benefits - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	$ 23	$ 27	$ 27
Interest cost	78	64	77
Expected return on plan assets	(114)	(130)	(121)
Amortization of prior service credit	1	1	1
Amortization of net actuarial loss	27	40	34
Curtailment / settlement loss	2	2	10
Net periodic cost	$ 17	$ 4	$ 28