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Derivative Financial Instruments - Schedule of Offsetting Liabilities (Details) - CVR Refining, LP - USD ($)
$ in Millions
Jun. 30, 2018
Dec. 31, 2017
Current Assets    
Offsetting assets    
Gross Current Assets $ 6 $ 7
Gross Amounts Offset (5) (7)
Net Current Assets Presented 1 0
Cash Collateral Not Offset 0 0
Net Amount 1 0
Current Assets | Commodity Derivatives    
Offsetting assets    
Gross Current Assets 6 7
Gross Amounts Offset (5) (7)
Net Current Assets Presented 1 0
Cash Collateral Not Offset 0 0
Net Amount 1 0
Current Liabilities    
Offsetting liabilities    
Gross Current Liabilities 32 71
Gross Amounts Offset (5) (7)
Net Current Liabilities Presented 27 64
Cash Collateral Not Offset 0 0
Net Amount 27 64
Current Liabilities | Commodity Derivatives    
Offsetting liabilities    
Gross Current Liabilities 32 71
Gross Amounts Offset (5) (7)
Net Current Liabilities Presented 27 64
Cash Collateral Not Offset 0 0
Net Amount $ 27 $ 64