Represents the estimated annual expenses associated with agreement.

No definition available.

Name:	cvi_EstimatedAnnualExpensesAssociatedWithAgreement
Namespace Prefix:	cvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the annual automatic extension period of agreement.

+ References

No definition available.

+ Details

Name:	cvi_LongTermPurchaseCommitmentAnnualAutomaticExtensionPeriod
Namespace Prefix:	cvi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the expenses associated with the agreements.

+ References

No definition available.

+ Details

Name:	cvi_LongTermPurchaseCommitmentExpenses
Namespace Prefix:	cvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the expenses associated with separate agreement.

+ References

No definition available.

+ Details

Name:	cvi_LongTermPurchaseCommitmentExpensesRelatedToSeparateAgreement
Namespace Prefix:	cvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the time period covered by the arrangement.

+ References

No definition available.

+ Details

Name:	cvi_LongTermPurchaseCommitmentPeriod
Namespace Prefix:	cvi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the period after which the agreement is subject to annual automatic extensions.

+ References

No definition available.

+ Details

Name:	cvi_LongTermPurchaseCommitmentPeriodAfterWhichAgreementSubjectToAnnualAutomaticExtensions
Namespace Prefix:	cvi_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the time period of the agreement over which a quantity of material must be purchased to meet the capacity of the supplier.

+ References

No definition available.

+ Details

Name:	cvi_LongTermPurchaseCommitmentPeriodToDeliverToCapacityOfSupplier
Namespace Prefix:	cvi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_LongTermPurchaseCommitmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Sets forth the number of units of goods that must be purchased within the specified time period of the agreement to avoid penalties or unfavorable effects on pricing, among other adverse consequences.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentMinimumQuantityRequired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Commitments and Contingencies (Details 2) (USD $) In Millions, unless otherwise specified	1 Months Ended		12 Months Ended																				1 Months Ended	12 Months Ended		1 Months Ended	12 Months Ended
	Aug. 31, 2010 City Lawsuit under long-term purchase agreement CRNF	Dec. 31, 2012 Throughput and deficiency agreement assumed Wynnewood Acquisition	Dec. 31, 2012 HollyFrontier Corporation	Dec. 31, 2012 Material Plains Pipeline CRRM Y	Dec. 31, 2011 Material Plains Pipeline CRRM	Dec. 31, 2010 Material Plains Pipeline CRRM	Dec. 31, 2012 Material MAPL CRRM	Dec. 31, 2011 Material MAPL CRRM	Dec. 31, 2010 Material MAPL CRRM	Dec. 31, 2005 Material MAPL CRRM	Dec. 31, 2012 Material CCPS CRRM	Dec. 31, 2011 Material CCPS CRRM	Dec. 31, 2010 Material CCPS CRRM	Dec. 31, 2004 Material CCPS CRRM	Dec. 31, 2012 Material Plains CRRM	Dec. 31, 2011 Material Plains CRRM	Dec. 31, 2010 Material Plains CRRM	Dec. 31, 2007 Material Plains CRRM Y	Dec. 31, 2012 Material Linde, Inc. CRNF	Dec. 31, 2011 Material Linde, Inc. CRNF	Dec. 31, 2010 Material Linde, Inc. CRNF	Dec. 31, 2005 Material Linde, Inc. CRNF	Mar. 31, 2011 Material Enterprise CRRM Y	Dec. 31, 2011 Material Enterprise CRRM	Dec. 31, 2010 Material Enterprise CRRM	Oct. 31, 2008 Material Magellan Y	Dec. 31, 2012 Material Magellan	Dec. 31, 2011 Material Magellan	Dec. 31, 2010 Material Magellan
Long-term commitments
Receipt of refunds	$ 4.8
Minimum committed contractual payment																						0.3
Minimum barrels of crude oil to be transported per day				80,000						2,000,000				10,000				29,200,000								20,000
Term of agreement (in years)				5																			5			10
Term of agreement over which a quantity of materials must be purchased to meet the capacity of the supplier (in years)				15
Expenses related to agreement			6.0	12.5	9.8	11.4	3.5	1.3	2.4		6.1	8.4	16.6		2.6	2.4	2.5		4.3	4.2	4.7		2.4	1.8	1.3		2.1	0.7	0.6
Annual automatic extension period of agreement (in years)																		1
Period after which agreement is subject to annual automatic extensions																		2 years 1 day
Expenses related to separate Terminalling Agreement															3.4	3.3	3.1
Estimated annual expenses associated with agreement		$ 3.6