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Derivative Financial Instruments - Additional Information (Details) $ in Millions	6 Months Ended
	Jun. 30, 2018 USD ($)
CVR Refining
Derivative [Line Items]
Increase or decrease in related fair value of commodity instruments and forward purchase and sale commitments based on change of $1.00 per value in fair value of benchmark crude or product basis	$ 2

X

- Definition

Change in Fair Value of Derivative Instruments, Relative Fair Value, Increase (Decrease) From One Dollar Per Barrel Change in Benchmark Fair Value

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	dei_LegalEntityAxis=cvi_CVRRefiningLimitedPartnershipMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: