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%