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Long-Term Debt and Finance Lease Obligations - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 23, 2021
Jun. 23, 2021
Sep. 30, 2021
Jun. 30, 2021
Sep. 30, 2021
Sep. 30, 2020
Debt Instrument [Line Items]            
Proceeds from issuance of senior secured notes         $ 550,000,000 $ 1,000,000,000
Payment for redemption of debt         567,000,000 500,000,000
Loss on extinguishment of debt         $ 8,000,000 $ 3,000,000
CVR Partners            
Debt Instrument [Line Items]            
Loss on extinguishment of debt     $ 1,000,000 $ 8,000,000    
6.125% Senior Secured Notes, due June 2028 | Prior to June 15, 2024            
Debt Instrument [Line Items]            
Redemption of notes, percentage of par value at which notes were repurchased         100.00%  
6.125% Senior Secured Notes, due June 2028 | Senior Notes | CVR Partners            
Debt Instrument [Line Items]            
Aggregate principal amount of private offering   $ 550,000,000        
Stated interest rate   6.125% 6.125%   6.125%  
Proceeds from issuance of senior secured notes   $ 547,000,000        
Debt issuance costs   4,000,000        
9.25% Senior Secured Notes, due June 2023 | Senior Notes | CVR Partners            
Debt Instrument [Line Items]            
Stated interest rate     9.25%   9.25%  
Payment for redemption of debt $ 15,000,000 550,000,000        
Accrued interest settled upon redemption $ 1,000,000 $ 1,000,000        
Unamortized deferred financing costs       3,000,000    
Unamortized discount       $ 5,000,000    
Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Line of Credit | CVR Partners            
Debt Instrument [Line Items]            
Debt issuance costs     $ 1,000,000   $ 1,000,000  
Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Line of Credit | CVR Partners | Revolving Credit Facility            
Debt Instrument [Line Items]            
Total Available Borrowing Capacity     35,000,000   $ 35,000,000  
Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Line of Credit | CVR Partners | Revolving Credit Facility | Quarterly Excess Availability Greater Than 75% | SOFR            
Debt Instrument [Line Items]            
Basis spread on variable rate         1.615%  
Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Line of Credit | CVR Partners | Revolving Credit Facility | Quarterly Excess Availability Greater Than 75% | Base Rate            
Debt Instrument [Line Items]            
Basis spread on variable rate         0.615%  
Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Line of Credit | CVR Partners | Revolving Credit Facility | Quarterly Excess Availability Not Greater Than 50% | SOFR            
Debt Instrument [Line Items]            
Basis spread on variable rate         2.115%  
Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Line of Credit | CVR Partners | Revolving Credit Facility | Quarterly Excess Availability Not Greater Than 50% | Base Rate            
Debt Instrument [Line Items]            
Basis spread on variable rate         1.115%  
Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Line of Credit | CVR Partners | Wells Fargo Bank National Association | Revolving Credit Facility            
Debt Instrument [Line Items]            
Incremental facility, increase limit     15,000,000   $ 15,000,000  
Total Available Borrowing Capacity     35,000,000   35,000,000  
Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Line of Credit | CVR Partners | Wells Fargo Bank National Association | Swingline Loan            
Debt Instrument [Line Items]            
Total Available Borrowing Capacity     4,000,000   4,000,000  
Asset Based (Nitrogen Fertilizer ABL) Credit Agreement | Line of Credit | CVR Partners | Wells Fargo Bank National Association | Letter of Credit            
Debt Instrument [Line Items]            
Total Available Borrowing Capacity     $ 10,000,000   10,000,000  
UAN ABL Credit Agreement | Line of Credit | CVR Partners            
Debt Instrument [Line Items]            
Loss on extinguishment of debt         $ 1,000,000