Debt Instrument, Covenant, Fixed Charge Coverage Ratio, Minimum Required For Restricted Payments

No definition available.

Name:	cvi_DebtInstrumentCovenantFixedChargeCoverageRatioMinimumRequiredForRestrictedPayments
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Data Type:	xbrli:pureItemType
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Period Type:	instant

- Definition

Represents the customary facing fees as percentage of face amount of each letter of credit.

+ References

No definition available.

+ Details

Name:	cvi_LetterOfCreditCustomaryFacingFeesPercentage
Namespace Prefix:	cvi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage threshold of borrowing base and total commitments for determination of interest rate on borrowings.

+ References

No definition available.

+ Details

Name:	cvi_LineOfCreditFacilityPercentageThresholdOfBorrowingBaseAndTotalCommitmentsForDeterminationOfInterestRate
Namespace Prefix:	cvi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the percentage threshold of borrowing base and total commitments for determination of unused capacity commitment fee.

+ References

No definition available.

+ Details

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Namespace Prefix:	cvi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the percentage of maximum amount available to be drawn under line of credit deducted to compute fees on commercial letters of credit.

+ References

No definition available.

+ Details

Name:	cvi_PercentageOfMaximumAmountAvailableToBeDrawnUnderLineOfCreditDeductedToComputeFeesOnCommercialLettersOfCredit
Namespace Prefix:	cvi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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Balance Type:
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- Details

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

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_BridgeLoanMember
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- Details

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- Details

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- Details

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- Details

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- Details

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Long-Term Debt - Amended and Restated Asset Based (ABL) Credit Facility (Details) - Amended and Restated ABL Credit Facility	3 Months Ended
	Mar. 31, 2018 USD ($)	Nov. 14, 2017 USD ($)
Credit parties
Debt Instrument [Line Items]
Borrowing capacity		$ 400,000,000.0
Percentage threshold of borrowing base and total commitments for determination of unused capacity commitment fee	15.00%
Maximum fixed charge coverage ratio required to make restricted payments	1.00
Loan term	5 years
Percentage of maximum amount available to be drawn under line of credit deducted to compute fees on commercial letters of credit	0.50%
Letter of credit customary facing fees percentage	0.125%
CVR Refining, LP
Debt Instrument [Line Items]
Aggregate availability	$ 297,900,000
Outstanding letters of credit	6,400,000
Borrowings outstanding	$ 0
Letter of Credit \| Credit parties
Debt Instrument [Line Items]
Borrowing capacity		60,000,000.0
Bridge Loan \| Credit parties
Debt Instrument [Line Items]
Borrowing capacity		$ 40,000,000.0
Quarterly Average Excess Availability Exceeding 50% of Lesser of Borrowing Base and Total Commitments \| Credit parties
Debt Instrument [Line Items]
Percentage threshold of borrowing base and total commitments for determination of unused capacity commitment fee	50.00%
Threshold of borrowing base and total commitments for determination of interest rate, percentage	50.00%
Quarterly Average Excess Availability Exceeding 50% of Lesser of Borrowing Base and Total Commitments \| LIBOR \| Credit parties
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
Quarterly Average Excess Availability Exceeding 50% of Lesser of Borrowing Base and Total Commitments \| Prime Rate \| Credit parties
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Quarterly Average Excess Availability Less than or Equal to 50% of Lesser of Borrowing Base and Total Commitments \| Credit parties
Debt Instrument [Line Items]
Percentage threshold of borrowing base and total commitments for determination of unused capacity commitment fee	50.00%
Threshold of borrowing base and total commitments for determination of interest rate, percentage	50.00%
Quarterly Average Excess Availability Less than or Equal to 50% of Lesser of Borrowing Base and Total Commitments \| LIBOR \| Credit parties
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%
Quarterly Average Excess Availability Less than or Equal to 50% of Lesser of Borrowing Base and Total Commitments \| Prime Rate \| Credit parties
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%
Daily Average Amount of Loans and Letters of Credit Outstanding Equal to or Greater than 50% of Lesser of Borrowing Base and Total Commitments \| Credit parties
Debt Instrument [Line Items]
Unused capacity, commitment fee percentage	0.25%
Daily Average Amount of Loans and Letters of Credit Outstanding Less than 50% of Lesser of Borrowing Base and Total Commitments \| Credit parties
Debt Instrument [Line Items]
Unused capacity, commitment fee percentage	0.375%