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v2.4.0.8

Long-Term Debt (Details 3) | 6 Months Ended
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Jun. 30, 2014
Capital Lease related to Excel Pipeline LLC |
Debt Instrument [Line Items] |
Remaining term of leases | 184 months
Capital Lease related to Magellan Pipeline Terminals, L.P. |
Debt Instrument [Line Items] |
Remaining term of leases | 183 months

X
- Definition Represents the remaining term of the lease. + References No definition available. + Details
Name: | cvi_LeaseAgreementsRemainingTermOfLease
Namespace Prefix: | cvi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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