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Income Taxes Schedule of Components of Income Tax Expense (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Current: |  |  |
Federal | $ 6 | $ 9 | $ 12
State and local | 17 | 12 | 22
Current Income Tax Expense (Benefit) | 23 | 21 | 34
Deferred: |  |  |
Federal | (22) | (2) | (15)
State and local | (1) | 8 | (2)
deferred income tax expense | (23) | 6 | (17)
Income tax expense | $ 0 | $ 27 | $ 17

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