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Goodwill Goodwill (Details) | Sep. 30, 2016
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CRNF |
Goodwill [Line Items] |
Percentage of fair value in excess of carrying amount | 17.00%

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

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- Definition Percentage of fair value of reporting unit in excess of carrying amount. + References No definition available. + Details
Name: | us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | dei_LegalEntityAxis=cvi_CoffeyvilleResourcesNitrogenFertilizersLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |