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v3.20.2

Revenue - Additional information (Details) | 9 Months Ended
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Sep. 30, 2020
Petroleum | Minimum |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Payment terms | 2 days
Petroleum | Maximum |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Payment terms | 32 days
Nitrogen Fertilizer | Minimum |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Payment terms | 15 days
Nitrogen Fertilizer | Maximum |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Payment terms | 30 days

X
- Definition Revenue, Performance Obligation, Description Of Payment Terms, Term + References No definition available. + Details
Name: | cvi_RevenuePerformanceObligationDescriptionOfPaymentTermsTerm
Namespace Prefix: | cvi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cvi_PetroleumSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cvi_NitrogenFertilizerSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |