XML 105 R74.htm IDEA: XBRL DOCUMENT v3.19.2
Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Current:      
Federal $ 31 $ (1) $ 67
State (7) (22) (7)
Total current 24 (23) 60
Deferred:      
Federal 39 (186) (60)
State 16 (11) (19)
Total deferred 55 (197) (79)
Total income tax expense (benefit) $ 79 $ (220) $ (19)