Income Taxes - Consolidated Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Federal	$ 507	$ 959	$ 381
State and local	114	152	41
International	7	4	0
Total current provision	628	1,115	422
Deferred provision	(151)	(136)	51
Income tax expense	$ 477	$ 979	$ 473