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v2.4.1.9

Selected Quarterly Financial Information (unaudited) (Details 2) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Unusual or Infrequent Item [Line Items] |  |  |  |
Lower of FIFO cost or market inventory adjustment | $ 36.8 us-gaap_InventoryWriteDown |  |  |
Coffeyville Refinery Incident, Fire Isomerization Unit | CVR Refining, LP |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |
Property damage gross repair and other costs |  | 6.3 cvi_PropertyDamageGrossRepairandOtherCosts / dei_LegalEntityAxis = cvi_CVRRefiningLimitedPartnershipMember / us-gaap_UnusualOrInfrequentItemAxis = cvi_CoffeyvilleRefineryIncidentFireIsomerizationUnitMember |  |
Coffeyville refinery | Fluid Catalytic Cracking Unit Outage |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |
Number of days offline |  |  | 55 days |
Wynnewood refinery | Fluid Catalytic Cracking Unit Outage |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |
Number of days offline | 16 days |  |  |
Direct Operating Expenses | Coffeyville Refinery Incident, Fire Isomerization Unit | CVR Refining, LP |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |
Property damage gross repair and other costs |  | 6.3 cvi_PropertyDamageGrossRepairandOtherCosts / us-gaap_IncomeStatementLocationAxis = cvi_DirectOperatingCostsMember / dei_LegalEntityAxis = cvi_CVRRefiningLimitedPartnershipMember / us-gaap_UnusualOrInfrequentItemAxis = cvi_CoffeyvilleRefineryIncidentFireIsomerizationUnitMember |  |
Direct Operating Expenses | Coffeyville refinery | Fluid Catalytic Cracking Unit Outage |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |
Property damage gross repair and other costs |  |  |  | 21.1 cvi_PropertyDamageGrossRepairandOtherCosts / us-gaap_IncomeStatementLocationAxis = cvi_DirectOperatingCostsMember / cvi_MajorMaintenanceActivitiesByFacilityAxis = cvi_CoffeyvilleRefineryMember / us-gaap_UnusualOrInfrequentItemAxis = cvi_FluidCatalyticCrackingUnitOutageMember
Direct Operating Expenses | Wynnewood refinery | Fluid Catalytic Cracking Unit Outage |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |
Property damage gross repair and other costs | 8.5 cvi_PropertyDamageGrossRepairandOtherCosts / us-gaap_IncomeStatementLocationAxis = cvi_DirectOperatingCostsMember / cvi_MajorMaintenanceActivitiesByFacilityAxis = cvi_WynnewoodRefineryMember / us-gaap_UnusualOrInfrequentItemAxis = cvi_FluidCatalyticCrackingUnitOutageMember |  |  |
Cost of Goods Sold, Excluding Depreciation, Depletion, and Amortization |  |  |  |
Unusual or Infrequent Item [Line Items] |  |  |  |
Lower of FIFO cost or market inventory adjustment | $ 36.8 us-gaap_InventoryWriteDown / us-gaap_IncomeStatementLocationAxis = cvi_CostofGoodsSoldExcludingDepreciationDepletionandAmortizationMember |  |  |

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