Income Taxes - Provision for Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current income taxes:
U.S. federal	$ 144	$ 98	$ 48
U.S. state and local	16	11	8
Foreign	11	9	10
Total Current	171	118	66
Deferred income tax expense, net:
U.S. federal	(15)	5	56
U.S. state and local	2	(3)	8
Foreign	(4)	(6)	0
Total Deferred	(17)	(4)	64
Total income tax expense	$ 154	$ 114	$ 130