Derivative Financial Instruments (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014 bbl
Derivative Financial Instruments
Current period settlements on derivative contracts	$ (6,300,000)	$ 21,100,000
Gain (loss) on derivatives, net	(51,400,000)	109,400,000
CRNF | Term loan facility
Derivative Financial Instruments
Borrowing capacity on credit facility	125,000,000.0
Commodity derivatives
Derivative Financial Instruments
Derivative asset (liabilities)	(100,000)
Commodity derivatives | CVR Refining, LP
Derivative Financial Instruments
Gain (loss) on derivatives, net	(1,000,000)	(100,000)
Commodity swaps | CVR Refining, LP
Derivative Financial Instruments
Gain (loss) on derivatives, net	(50,400,000)	109,500,000
Interest rate swaps
Derivative Financial Instruments
Realized loss on the interest rate swap re-classed from AOCI into interest expense	(300,000)	(300,000)
Interest rate swaps | CRNF
Derivative Financial Instruments
Increase (decrease) in fair value of interest rate swap agreements	(100,000)
Not designated as hedges | Commodity swaps | CVR Refining, LP
Derivative Financial Instruments
Derivative asset (liabilities)	2,300,000
Number of barrels	15,000,000		9,100,000
Portion of net unrealized gain in current assets	7,300,000
Portion of net unrealized gain in non-current assets	14,500,000
Portion of net unrealized loss in current liabilities	(19,500,000)
Designated as hedges | Interest rate swaps | CRNF
Derivative Financial Instruments
Number of floating-to-fixed interest rate swap agreements	2
Aggregate notional amount	$ 62,500,000.0
Average fixed rate of interest (as a percent)	1.96%
Effective rate (as a percent)	4.57%
Designated as hedges | Interest rate swap agreements entered into on June 30, 2011 | CRNF
Derivative Financial Instruments
Fixed rate (as a percent)	1.94%
Settlement period	90 days
Designated as hedges | Interest rate swap agreements entered into on July 1, 2011 | CRNF
Derivative Financial Instruments
Fixed rate (as a percent)	1.975%
Settlement period	90 days