Long-Term Debt and Finance Lease Obligations - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Finance lease, liability, noncurrent, statement of financial position [extensible list]	Total long-term debt and finance lease obligations, net of current portion	Total long-term debt and finance lease obligations, net of current portion
Total long-term debt and finance lease obligations, net of current portion	$ 1,906	$ 1,907
Current portion of long-term debt and finance lease obligations (including $1 and $1, respectively, of VIE)	12	12
Total long-term debt and finance lease obligations, including current portion	1,918	1,919
Petroleum Segment
Debt Instrument [Line Items]
Unamortized debt issuance costs	(7)	(8)
Finance lease obligations, net of current portion	27	29
Total long-term debt and finance lease obligations, net of current portion	341	343
Nitrogen Fertilizer Segment
Debt Instrument [Line Items]
Unamortized debt issuance costs	(2)	(2)
Total debt	569	568
Finance lease obligations, net of current portion	21	20
Term Loan \| Petroleum Segment
Debt Instrument [Line Items]
Term loan	$ 321	322
6.125% Senior Secured Notes, due June 2028 \| Senior Notes \| Nitrogen Fertilizer Segment
Debt Instrument [Line Items]
Stated interest rate	6.125%
Total long-term debt, net of current portion, before finance lease obligations, debt issuance costs and discount	$ 550	550
CVR Energy
Debt Instrument [Line Items]
Unamortized debt issuance costs	(4)	(4)
Total debt	$ 996	996
CVR Energy \| 8.50% Senior Notes, due January 2029 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	8.50%
Total long-term debt, net of current portion, before finance lease obligations, debt issuance costs and discount	$ 600	600
CVR Energy \| 5.75% Senior Notes, due February 2028 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	5.75%
Total long-term debt, net of current portion, before finance lease obligations, debt issuance costs and discount	$ 400	$ 400

Long-term Debt, Excluding Current Maturities, Gross

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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