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Commitments and Contingencies (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended					1 Months Ended	6 Months Ended
	Jun. 30, 2014 sponsor	Jun. 30, 2013	Jun. 30, 2014 sponsor	Jun. 30, 2013	Jun. 30, 2014 EHS	Dec. 31, 2013 EHS	Jun. 30, 2014 EHS CRRM	Jun. 30, 2013 EHS CRRM	Jun. 30, 2014 EHS CRRM	Jun. 30, 2013 EHS CRRM	Dec. 31, 2013 EHS CRRM	Jun. 30, 2014 Affiliate Pension Obligations	Dec. 31, 2013 Affiliate Pension Obligations	Jun. 30, 2014 New Vitol Agreement CRRM	Jun. 30, 2014 New Vitol Agreement CRRM	Jun. 30, 2014 Mr. Icahn's affiliates
Loss Contingencies [Line Items]
Renewal term of agreement														1 year	1 year
Number of days for prior notice of nonrenewal															180 days
Environmental accruals					$ 1.3	$ 1.5
Environmental costs recognized capitalized in the period	26.4	15.8	60.2	38.0
Cost of renewable identification numbers							29.1	65.5	63.8	97.6
Biofuel blending obligation recorded in other current liabilities							40.0		40.0		17.4
Affiliate pension obligations
Ownership percentage held by controlling stockholder																82.00%
Minimum ownership interest in CVR Energy by Mr. Icahn's affiliates (as a percent)	80.00%		80.00%
Number of sponsors of pension plans	2		2
Underfunded pension obligation, if ACF and Federal-Mogul plans were voluntarily terminated												$ 450.1	$ 591.8

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Carrying value as of the balance sheet date of obligations pertains to Biofuels blending. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Represents the expense incurred for the purchase of Renewable Identification Numbers.

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Represents the percentage of ownership interest held by the majority shareholder

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Represents the percentage of ownership interest in CVR Energy by Mr. Icahn's affiliates.

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Represents the number of days for prior notice from expiration of the initial term or any renewal term for nonrenewal of agreement.

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Number of Sponsors of Pension Plans

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Represents the period of successive automatic renewal term for agreement.

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Represents the underfunded pension obligation of affiliates for which the Company is joint and severally liable.

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Amount of environmental remediation costs capitalized. These expenditures may relate to long-lived improvements in operating facilities.

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