Subsequent Events (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended		0 Months Ended						6 Months Ended	0 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jul. 30, 2014 Subsequent event	Jul. 17, 2014 Subsequent event	Jul. 30, 2014 Subsequent event CVR Partners, LP	Jul. 30, 2014 Subsequent event CVR Refining, LP	Jul. 29, 2014 Subsequent event CVR Refining, LP	Jul. 29, 2014 Subsequent event CVR Refining, LP employee	Jun. 30, 2014 IEP Energy LLC	Jul. 30, 2014 IEP Energy LLC Subsequent event	Jul. 17, 2014 IEP Energy LLC Subsequent event
Dividend
Dividends declared per share (in dollars per share)	$ 0.75	$ 0.75	$ 0.75	$ 7.25	$ 1.50	$ 12.75	$ 0.75	$ 2.00
Dividends declared					$ 130.2		$ 65.1	$ 173.7						$ 53.4	$ 142.4
Ownership percentage held by controlling stockholder													82.00%	82.00%	82.00%
Distribution
Declared distribution to limited partner (in dollars per share)									$ 0.33	$ 0.96
Declared distribution to limited partner									24.1	141.7
Expected proceeds from distribution									12.8	93.4
Coffeyville Refinery Incident
Number of employees injured												4
Refinery anticipated shut down period											28 days
Property damage insurance deductible											5.0
Business interruption insurance waiting period											45 days
Workers compensation accident deductible											$ 0.5