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Debt - Non-Cash Charges to Interest Expense (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Feb. 29, 2024 | Sep. 30, 2023 | Oct. 31, 2020
Debt Instrument [Line Items] |  |  |  |  |  |
Amortization of deferred financing costs and debt discounts and premiums | $ 4 | $ 5 | $ 5 |  |  |
Term Loan | Revolving credit facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt face amount |  |  |  |  |  | $ 133
Line of credit |  |  |  |  |  | $ 30
Energy | Revolving credit facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Borrowing availability on credit facilities |  | 287 |  |  |  |
Line of credit facility maximum borrowing capacity |  |  |  |  | $ 275 |
Incremental borrowing capacity |  |  |  |  | 125 |
Energy | Swingline Loan |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility maximum borrowing capacity |  |  |  |  | 30 |
Energy | Letter of credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Letters of credit outstanding |  |  |  |  | 60 |
Energy | Letter of credit | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Letters of credit outstanding |  |  |  |  | $ 100 |
Energy | 5.25% senior unsecured notes due 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate on debt instrument | 5.25% |  |  |  |  |
Energy | 5.25% senior unsecured notes due 2025 | Subsequent event |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt face amount |  |  |  | $ 600 |  |
Interest rate on debt instrument |  |  |  | 5.25% |  |
Energy | 8.50% senior unsecured notes due 2029 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt face amount | $ 600 |  |  |  |  |
Interest rate on debt instrument | 8.50% |  |  |  |  |
Energy | Revolving credit facility | Revolving credit facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Borrowing availability on credit facilities | $ 288 |  |  |  |  |
Energy | CVR Refining credit facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Letters of credit outstanding | 26 | $ 23 |  |  |  |
Energy | CVR 2025 Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt face amount | $ 600 |  |  |  |  |
Interest rate on debt instrument | 5.25% |  |  |  |  |
Energy | CVR 2028 Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt face amount | $ 400 |  |  |  |  |
Interest rate on debt instrument | 5.75% |  |  |  |  |
Energy | CVR Partner 2028 Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt face amount | $ 550 |  |  |  |  |
Interest rate on debt instrument | 6.125% |  |  |  |  |
Food Packaging Segment | Viskase credit facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate on debt instrument | 7.40% | 6.80% |  |  |  |

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