Income Taxes - Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current income tax expense
U.S. federal	$ 341	$ 342	$ 669
U.S. state and local	144	85	233
Non-U.S.	91	80	136
Total current	576	507	1,038
Deferred income tax expense
U.S. federal	112	322	136
U.S. state and local	24	85	7
Non-U.S.	28	77	66
Total deferred	165	484	209
Total income tax provision	$ 741	$ 992	$ 1,247