Income Taxes - Schedule of Components of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Current U.S. federal income tax provision	$ 58	$ 140	$ 137
Deferred U.S. federal income tax provision / (benefit)	170	(6)	(29)
Total federal income tax provision	228	134	108
Current state and local income tax provision	4	21	15
Deferred state and local income tax provision / (benefit)	23	(1)	3
Total state and local income tax provision	27	20	18
Total non-U.S. income tax provision	9	0	0
Total provision for income taxes	$ 264	$ 154	$ 126