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Summary of Significant Accounting Policies - Turnaround Expenses (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Petroleum Segment |  |  |
Planned Major Maintenance Activities [Line Items] |  |  |
Turnaround costs capitalized | $ 58 | $ 60 | $ 81
Petroleum Segment | Minimum |  |  |
Planned Major Maintenance Activities [Line Items] |  |  |
Frequency of planned major maintenance activities | 4 years |  |
Petroleum Segment | Maximum |  |  |
Planned Major Maintenance Activities [Line Items] |  |  |
Frequency of planned major maintenance activities | 5 years |  |
Nitrogen Fertilizer Segment |  |  |
Planned Major Maintenance Activities [Line Items] |  |  |
Frequency of planned major maintenance activities | 3 years |  |
Turnaround expenses incurred | $ 1 | $ 2 | $ 33

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- Definition Capitalized Costs, Turnaround Costs + References No definition available. + Details
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Namespace Prefix: | cvi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Planned Major Maintenance Activities Frequency + References No definition available. + Details
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Namespace Prefix: | cvi_
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Balance Type: | na
Period Type: | duration

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- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
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Namespace Prefix: | cvi_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Turnaround Costs + References No definition available. + Details
Name: | cvi_TurnaroundCosts
Namespace Prefix: | cvi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |