-- None. No documentation exists for this element. --

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- Definition

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).

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the percentage of ownership interest held by the majority shareholder

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

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- Definition

Number of Sponsors of Pension Plans

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No definition available.

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Represents the period of successive automatic renewal term for agreement.

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No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 25
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 25
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=39739230&loc=d3e11660-110855

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Commitments and Contingencies - Additional Information (Details) $ in Millions		3 Months Ended
	Aug. 31, 2012	Mar. 31, 2016 USD ($) sponsor	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items]
Environmental costs recognized capitalized in the period		$ 3.6	$ 10.9
Affiliate pension obligations
Minimum ownership interest in CVR Energy by Mr. Icahn's affiliates (as a percent)		80.00%
Number of sponsors of pension plans \| sponsor		2
Majority Shareholder
Affiliate pension obligations
Ownership percentage held by controlling stockholder		82.00%
EHS
Loss Contingencies [Line Items]
Environmental accruals		$ 3.5		$ 3.6
EHS \| CRRM
Loss Contingencies [Line Items]
Cost of renewable identification numbers		43.1	$ 36.6
Biofuel blending obligation recorded in other current liabilities		24.3		9.5
Affiliate Pension Obligations
Affiliate pension obligations
Underfunded pension obligation, if ACF and Federal-Mogul plans were voluntarily terminated		$ 583.8		$ 589.2
New Vitol Agreement \| CRRM
Loss Contingencies [Line Items]
Renewal term of agreement	1 year
Number of days for prior notice of nonrenewal	180 days