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Income Taxes - Income Tax Effect of Temporary Differences (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Deferred income tax assets:    
State tax credit carryforward, net $ 7 $ 11
Total gross deferred income tax assets 7 11
Deferred income tax liabilities:    
Other (1) (5)
Total gross deferred income tax liabilities (403) (391)
Net deferred income tax liabilities (396) (380)
CVR Partners    
Deferred income tax liabilities:    
Investment in CVR Partners and CVR Refining (61) (59)
CVR Refining    
Deferred income tax liabilities:    
Investment in CVR Partners and CVR Refining $ (341) $ (327)