v3.26.1
Fair Value of Financial Assets and Liabilities - Schedule of Principal Amount (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Jan. 09, 2026
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Principal Amount $ 3,148  
9.75% Senior Secured Second Lien Notes | Secured Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt instrument, interest rate 9.75%  
Principal Amount $ 500  
Estimated Fair Value $ 537  
7.00% Senior Secured Second Lien Notes | Secured Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt instrument, interest rate 7.00%  
Principal Amount $ 640  
Estimated Fair Value $ 644  
5.75% Senior Notes | Senior Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt instrument, interest rate 5.75%  
Principal Amount $ 559  
Estimated Fair Value $ 555  
5.25% Senior Notes | Senior Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt instrument, interest rate 5.25%  
Principal Amount $ 449  
Estimated Fair Value $ 433  
0.25% Convertible Senior Notes | Convertible Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt instrument, interest rate 0.25% 0.25%
Principal Amount $ 1,000  
Estimated Fair Value $ 1,083