Income Taxes - Applicable Income Taxes Included in the Consolidated Statements of Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current income tax expense:
U.S. Federal income taxes	$ 452	$ 647	$ 570
State and local income taxes	75	96	126
Foreign income taxes	3	2	11
Total current income tax expense	530	745	707
Deferred income tax expense (benefit):
U.S. Federal income taxes	84	(81)	(31)
State and local income taxes	(13)	(23)	(29)
Foreign income taxes	1	(2)	0
Total deferred income tax expense (benefit)	72	(106)	(60)
Applicable income tax expense	$ 602	$ 639	$ 647