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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 | $ 30.4 us-gaap_LitigationSettlementAmount | $ 27.1 us-gaap_LitigationSettlementAmount |  |
Litigation settlement interest | 3.3 us-gaap_LitigationSettlementInterest |  |  |
CVR Refining, LP | Other Assets |  |  |  |
Gain Contingencies [Line Items] |  |  |  |
Litigation receivable |  |  | $ 4.0 cvi_LitigationReceivable / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherAssetsMember / us-gaap_GainContingenciesByNatureAxis = cvi_FloodCrudeOilDischargeAndInsuranceMember / dei_LegalEntityAxis = cvi_CVRRefiningLimitedPartnershipMember | $ 4.0 cvi_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: |