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Long-Term Debt and Finance Lease Obligations - Credit Facilities Outstanding (Details) - Line of Credit - Revolving Credit Facility - USD ($)
12 Months Ended
Dec. 31, 2020
Sep. 29, 2020
Sep. 28, 2020
CVR Partners | Asset Based (Nitrogen Fertilizer ABL) Credit Agreement      
Line of Credit Facility [Line Items]      
Total Capacity $ 20,000,000 $ 35,000,000 $ 50,000,000
Amount Borrowed 0    
Outstanding Letters of Credit 0    
Available Capacity $ 20,000,000    
Deferred financing costs (less than)   $ 1,000,000  
CVR Partners | Asset Based (Nitrogen Fertilizer ABL) Credit Agreement, Through December 31, 2020 | Base Rate      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 1.00%    
CVR Partners | Asset Based (Nitrogen Fertilizer ABL) Credit Agreement, After December 31, 2020 | Base Rate | Quarterly Excess Availability Greater Than 50%      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 1.00%    
CVR Partners | Asset Based (Nitrogen Fertilizer ABL) Credit Agreement, After December 31, 2020 | Base Rate | Quarterly Excess Availability Not Greater Than 50%      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 1.50%    
CVR Refining | Amended and Restated Asset Based (Petroleum ABL) Credit Agreement      
Line of Credit Facility [Line Items]      
Total Capacity $ 400,000,000    
Amount Borrowed 0    
Outstanding Letters of Credit 35,000,000    
Available Capacity $ 365,000,000    
CVR Refining | Amended and Restated Asset Based (Petroleum ABL) Credit Agreement | Base Rate | Quarterly Excess Availability Greater Than 50%      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 0.50%    
CVR Refining | Amended and Restated Asset Based (Petroleum ABL) Credit Agreement | Base Rate | Quarterly Excess Availability Not Greater Than 50%      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 0.75%