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Income Taxes - Schedule of Income Tax Effect of Temporary Differences (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Deferred income tax assets:    
Personnel accruals $ 6 $ 2
State tax credit carryforward, net 17 20
Net operating loss carryforward 2 9
Total gross deferred income tax assets 25 31
Deferred income tax liabilities:    
Other (1) (3)
Total gross deferred income tax liabilities (293) (399)
Net deferred income tax liabilities (268) (368)
CVR Partners    
Deferred income tax liabilities:    
Unrealized gain 0 (9)
Investment in CVR Partners and CVR Refining (70) (67)
CVR Refining    
Deferred income tax liabilities:    
Investment in CVR Partners and CVR Refining $ (222) $ (320)