Income Taxes Schedule of Components of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 11	$ 9	$ 4
State and local	26	24	14
Current Income Tax Expense (Benefit)	37	33	18
Deferred:
Federal	4	(1)	0
State and local	4	7	5
deferred income tax expense	8	6	5
Income tax expense	$ 45	$ 39	$ 23