v3.26.1
Debt - Holding Company Debt (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Feb. 28, 2026
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2023
Debt Instrument        
Debt   $ 6,392 $ 6,616  
Repayments of Holding Company senior notes   240    
Revolving credit facility        
Debt Instrument        
Total availability under credit agreement   589    
Line of credit facility, maximum borrowing capacity $ 345      
Revolving credit facility | Minimum        
Debt Instrument        
Line of credit facility, maximum borrowing capacity 550      
Revolving credit facility | Maximum        
Debt Instrument        
Line of credit facility, maximum borrowing capacity $ 700      
Letter of Credit        
Debt Instrument        
Total availability under credit agreement   11    
Holding Company Segment        
Debt Instrument        
Debt   4,425 4,664  
Energy        
Debt Instrument        
Debt   1,784 1,765  
Energy | Revolving credit facility        
Debt Instrument        
Extend the maturity date 3 years      
Automotive Segment        
Debt Instrument        
Debt   26 21  
Food Packaging Segment        
Debt Instrument        
Debt   131 142  
Real Estate Segment        
Debt Instrument        
Debt   1 1  
Home Fashion Segment        
Debt Instrument        
Debt   25 23  
Reporting Segments        
Debt Instrument        
Debt   $ 1,967 1,952  
6.250% senior unsecured notes due 2026 | Holding Company Segment        
Debt Instrument        
Debt     $ 240  
Interest rate on debt instrument (in percent) 6.25% 6.25% 6.25%  
5.250% senior unsecured notes due 2027 | Holding Company Segment        
Debt Instrument        
Debt   $ 1,383 $ 1,383  
Interest rate on debt instrument (in percent)   5.25% 5.25%  
4.375% senior unsecured notes due 2029 | Holding Company Segment        
Debt Instrument        
Debt   $ 657 $ 657  
Interest rate on debt instrument (in percent)   4.375% 4.375%  
9.750% senior unsecured notes due 2029 | Holding Company Segment        
Debt Instrument        
Debt   $ 699 $ 699  
Interest rate on debt instrument (in percent)   9.75% 9.75%  
10.000% senior notes due 2029 | Holding Company Segment        
Debt Instrument        
Debt   $ 989 $ 988  
Interest rate on debt instrument (in percent)   10.00% 10.00%  
9.000% senior unsecured notes due 2030 | Holding Company Segment        
Debt Instrument        
Debt   $ 697 $ 697  
Interest rate on debt instrument (in percent)   9.00% 9.00%  
A8.50 Senior Unsecured Notes Due 2029        
Debt Instrument        
Debt face amount       $ 600
Interest rate on debt instrument (in percent) 8.50%      
Loss on extinguishment of debt $ 28      
Redemption price 104.25%      
CVR 2028 Notes        
Debt Instrument        
Debt face amount $ 400      
Interest rate on debt instrument (in percent) 5.75%      
Partial redemption $ 217      
CVR 2028 Notes | Maximum        
Debt Instrument        
Loss on extinguishment of debt   $ 1    
Senior secured term loan        
Debt Instrument        
Loss on extinguishment of debt   $ 3    
Senior Notes        
Debt Instrument        
Debt face amount 1,000      
7.50% senior notes due February 2031        
Debt Instrument        
Debt face amount $ 600      
Interest rate on debt instrument (in percent) 7.50%      
7.875% senior notes due February 2034        
Debt Instrument        
Debt face amount $ 400      
Interest rate on debt instrument (in percent) 7.875%