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Long-Term Debt and Finance Lease Obligations - Credit Agreement (Details) - Line of Credit - Revolving Credit Facility
$ in Millions
9 Months Ended
Sep. 30, 2021
USD ($)
CVR Partners | Asset Based (Nitrogen Fertilizer ABL) Credit Agreement  
Line of Credit Facility [Line Items]  
Total Available Borrowing Capacity $ 35
Amount Borrowed 0
Outstanding Letters of Credit 0
Available Capacity 35
Aggregate principal amount of availability (up to) $ 35
CVR Partners | Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | SOFR | Quarterly Excess Availability Greater Than 75%  
Line of Credit Facility [Line Items]  
Basis spread on variable rate 1.615%
CVR Partners | Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | SOFR | Quarterly Excess Availability Greater Than 50% But Less Than 75%  
Line of Credit Facility [Line Items]  
Basis spread on variable rate 1.865%
CVR Partners | Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | SOFR | Quarterly Excess Availability Not Greater Than 50%  
Line of Credit Facility [Line Items]  
Basis spread on variable rate 2.115%
CVR Partners | Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Base Rate | Quarterly Excess Availability Greater Than 75%  
Line of Credit Facility [Line Items]  
Basis spread on variable rate 0.615%
CVR Partners | Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Base Rate | Quarterly Excess Availability Greater Than 50% But Less Than 75%  
Line of Credit Facility [Line Items]  
Basis spread on variable rate 0.865%
CVR Partners | Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Base Rate | Quarterly Excess Availability Not Greater Than 50%  
Line of Credit Facility [Line Items]  
Basis spread on variable rate 1.115%
CVR Partners | Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Wells Fargo Bank National Association  
Line of Credit Facility [Line Items]  
Total Available Borrowing Capacity $ 35
Aggregate principal amount of availability (up to) 35
CVR Partners | UAN ABL Credit Agreement  
Line of Credit Facility [Line Items]  
Borrowing capacity terminated 35
CVR Refining | Amended and Restated Asset Based (Petroleum ABL) Credit Agreement  
Line of Credit Facility [Line Items]  
Total Available Borrowing Capacity 400
Amount Borrowed 0
Outstanding Letters of Credit 29
Available Capacity 371
Aggregate principal amount of availability (up to) $ 400
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%
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 | LIBOR | Quarterly Excess Availability Not Greater Than 50%  
Line of Credit Facility [Line Items]  
Basis spread on variable rate 1.75%
CVR Refining | Amended and Restated Asset Based (Petroleum ABL) Credit Agreement | LIBOR | Quarterly Excess Availability Greater Than 50%  
Line of Credit Facility [Line Items]  
Basis spread on variable rate 1.50%