Income Taxes - Components of income Tax Provision (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022		Dec. 31, 2021
Current income tax:
Federal	$ 518	$ 509		$ 551
State and local	124	93		79
Foreign	18	25		47
Total current income tax	660	627		677
Deferred income tax:
Federal	45	155		113
State and local	(14)	6		0
Foreign	(13)	(6)		(22)
Total deferred income tax	18	155	[1]	91	[1]
Total income tax provision	$ 678	$ 782	[2]	$ 768	[2]

[1] Certain prior period amounts have been restated. See Note 3 for more information.

[2] Certain prior period amounts have been restated. See Note 3 for more information.