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Long-Term Debt (Details 2)	9 Months Ended
	Sep. 30, 2013
Capital Lease related to Excel Pipeline LLC
Capital Lease Obligations
Remaining term of leases	193 months
Capital Lease related to Magellan Pipeline Terminals, L.P.
Capital Lease Obligations
Remaining term of leases	192 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