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Commitments and Contingencies (Details 7) (Wynnewood refinery incident) | 0 Months Ended
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Sep. 28, 2012 employee
Wynnewood refinery incident |
Loss Contingencies [Line Items] |
Number of employees fatally injured | 2 cvi_NumberOfEmployeesFatallyInjured / us-gaap_LossContingenciesByNatureOfContingencyAxis = cvi_WynnewoodRefineryIncidentMember

X
- Definition Represents the number of employees fatally injured. + References No definition available. + Details
Name: | cvi_NumberOfEmployeesFatallyInjured
Namespace Prefix: | cvi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration