Income Taxes - Schedule of Components of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ 172	$ 241	$ 157
State	142	122	86
Non-U.S.	326	310	357
Total current expense	640	673	600
Deferred:
Federal	(98)	(168)	(6)
State	(61)	5	33
Non-U.S.	(3)	(31)	(157)
Total deferred expense (benefit)	(162)	(194)	(130)
Total income tax expense (benefit)	$ 478	$ 479	$ 470