Long-Term Debt and Finance Lease Obligations - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Jan. 27, 2020	Jun. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Total long-term debt and finance lease obligations, net of current portion		$ 1,683	$ 1,190
Current portion of long-term debt and finance lease obligations		7	5
Total long-term debt and finance lease obligations, including current portion		1,690	1,195
CVR Energy
Debt Instrument [Line Items]
Unamortized discount and debt issuance costs		(6)	0
Total Long-Term Debt		994	0
CVR Energy \| Senior Notes \| 5.25% Senior Notes due February 2025
Debt Instrument [Line Items]
Total long-term debt, net of current portion, before finance lease obligations, debt issuance costs and discount		$ 600	0
Stated interest rate	5.25%	5.25%
CVR Energy \| Senior Notes \| 5.75% Senior Notes due February 2028
Debt Instrument [Line Items]
Total long-term debt, net of current portion, before finance lease obligations, debt issuance costs and discount		$ 400	0
Stated interest rate	5.75%	5.75%
CVR Partners
Debt Instrument [Line Items]
Unamortized discount and debt issuance costs		$ (13)	(15)
Total Long-Term Debt		632	632
CVR Partners \| Senior Notes \| 9.25% Senior Secured Notes due June 2023
Debt Instrument [Line Items]
Total long-term debt, net of current portion, before finance lease obligations, debt issuance costs and discount		$ 645	645
Stated interest rate		9.25%
CVR Partners \| Senior Notes \| 6.50% Senior Notes due April 2021, net of current portion
Debt Instrument [Line Items]
Total long-term debt, net of current portion, before finance lease obligations, debt issuance costs and discount		$ 0	2
Stated interest rate		6.50%
Outstanding balance classified as short-term		$ 2
CVR Refining
Debt Instrument [Line Items]
Finance lease obligations, net of current portion		57	61
Unamortized discount and debt issuance costs		0	(3)
Total long-term debt and finance lease obligations, net of current portion		57	558
Current portion of finance lease obligations		5	5
CVR Refining \| Senior Notes \| 6.50% Senior Notes due November 2022
Debt Instrument [Line Items]
Total long-term debt, net of current portion, before finance lease obligations, debt issuance costs and discount		$ 0	$ 500
Stated interest rate	6.50%	6.50%
Redemption price percentage	101.083%

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Contractual interest rate for funds borrowed, under the debt agreement.

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