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Commitments and Contingencies Commitments and Contingencies (Details 3) (Flood Crude Oil Discharge and Insurance, USD $) In Millions, unless otherwise specified	1 Months Ended
	Feb. 28, 2015	Nov. 30, 2014	Mar. 31, 2015	Dec. 31, 2014
Gain Contingencies [Line Items]
Litigation settlement	$ 30.4us-gaap_LitigationSettlementAmount	$ 27.1us-gaap_LitigationSettlementAmount
Litigation settlement interest	3.3us-gaap_LitigationSettlementInterest
CVR Refining, LP | Other Assets
Gain Contingencies [Line Items]
Litigation receivable			$ 4.0cvi_LitigationReceivable / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherAssetsMember / us-gaap_GainContingenciesByNatureAxis = cvi_FloodCrudeOilDischargeAndInsuranceMember / dei_LegalEntityAxis = cvi_CVRRefiningLimitedPartnershipMember	$ 4.0cvi_LitigationReceivable / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherAssetsMember / us-gaap_GainContingenciesByNatureAxis = cvi_FloodCrudeOilDischargeAndInsuranceMember / dei_LegalEntityAxis = cvi_CVRRefiningLimitedPartnershipMember

X

- Definition

Litigation Receivable

+ References

No definition available.

+ Details

Name:	cvi_LitigationReceivable
Namespace Prefix:	cvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_GainContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Interest expense (income) directly attributable to an award in settlement of litigation.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	dei_LegalEntityAxis=cvi_CVRRefiningLimitedPartnershipMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: