Income Taxes - Income Tax Provision (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current income tax expense
U.S. federal	$ 669	$ 129	$ 0
U.S. state and local	233	143	16
Non-U.S.	136	67	81
Total current	1,038	339	97
Deferred income tax expense
U.S. federal	136	299	330
U.S. state and local	7	5	71
Non-U.S.	66	50	39
Total deferred	209	354	440
Total income tax provision	$ 1,247	$ 693	$ 537