Income Taxes Schedule of Components of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ 4	$ 6	$ 9
State and local	14	17	12
Current Income Tax Expense (Benefit)	18	23	21
Deferred:
Federal	0	(22)	(2)
State and local	5	(1)	8
deferred income tax expense	5	(23)	6
Income tax expense	$ 23	$ 0	$ 27