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Revenue - Contract Balances (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Nitrogen Fertilizer Segment |  |
Schedule of Contract with Customer, Liability, Activity [Line Items] |  |
Revenue recognized | $ 16 | $ 46

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- Definition [Line Items] for Schedule of Contract with Customer, Liability, Activity [Table] + References No definition available. + Details
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Namespace Prefix: | cvi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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