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Debt - Reporting Segment Debt (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 28, 2022
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Debt Instrument [Line Items]            
Gain (loss) on extinguishment of debt $ (1)          
Amortization of deferred financing costs and debt discounts and premiums   $ 1 $ 0 $ 2 $ 1  
9.25% senior secured notes due 2023            
Debt Instrument [Line Items]            
Debt face amount $ 65          
Interest rate on debt instrument 9.25%          
Energy Segment | Revolving credit facility            
Debt Instrument [Line Items]            
Borrowing availability on credit facilities   281   281   $ 396
Line of credit facility maximum borrowing capacity   275   275    
Incremental borrowing capacity   125   125    
Energy Segment | Swingline Loan            
Debt Instrument [Line Items]            
Line of credit facility maximum borrowing capacity   30   30    
Energy Segment | Letter of credit            
Debt Instrument [Line Items]            
Letters of credit outstanding   60   60    
Energy Segment | Letter of credit | Maximum            
Debt Instrument [Line Items]            
Letters of credit outstanding   100   100    
Energy Segment | CVR Refining credit facility            
Debt Instrument [Line Items]            
Letters of credit outstanding   $ 29   $ 29   $ 39