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Income Taxes Schedule of Components of Income Tax Expense (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Current: |  |  |
Federal | $ 12 | $ 4 | $ 10
State and local | 22 | 12 | 3
Current Income Tax Expense (Benefit) | 34 | 16 | 13
Deferred: |  |  |
Federal | (15) | 61 | 23
State and local | (2) | 9 | 14
deferred income tax expense | (17) | 70 | 37
Income tax expense | $ 17 | $ 86 | $ 50

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