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Income Taxes Components of Income Tax (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Current expense (benefit):      
Federal $ 19 $ (6) $ (20)
State 24 32 (2)
Current Foreign Tax Expense (Benefit) 0 1 0
Total 43 27 (22)
Deferred expense (benefit):      
Federal 246 176 174
State (106) 41 43
Deferred Foreign Income Tax Expense (Benefit) 1 (7) 0
Total 141 210 217
Total income tax expense $ 184 $ 237 $ 195