v3.26.3
Fair Value of Financial Instruments - Schedule of Estimated Fair Value of Financial Instruments, by Balance Sheet Grouping (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Carrying Amount    
Assets:    
Cash and cash equivalents $ 155 $ 260
Investments in equity securities 84 79
Available-for-sale debt securities 244 226
Trading securities 5 5
Carrying Amount | Senior Notes | Senior Notes at 6.875% Due 2028    
Liabilities:    
Notes payable, fair value disclosure 42 42
Carrying Amount | Senior Secured Notes | Senior Notes at 6% Due 2029    
Liabilities:    
Notes payable, fair value disclosure 633 630
Carrying Amount | Senior Secured Notes | Senior Secured Notes 5.250%, Due 2030    
Liabilities:    
Notes payable, fair value disclosure 1,487 1,479
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 4.750% Due 2031    
Liabilities:    
Notes payable, fair value disclosure 688 1,055
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 10.875%, Due 2032    
Liabilities:    
Notes payable, fair value disclosure 1,542 1,992
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 10.750% Due 2033    
Liabilities:    
Notes payable, fair value disclosure 698 698
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 9.75% Due 2034    
Liabilities:    
Notes payable, fair value disclosure 1,782 1,762
Carrying Amount | Junior-Priority Secured Notes | Junior-Priority Secured Notes at 6.875% Due 2029    
Liabilities:    
Notes payable, fair value disclosure 1,201 1,189
Carrying Amount | Junior-Priority Secured Notes | Junior-Priority Secured Notes at 6.125% Due 2030    
Liabilities:    
Notes payable, fair value disclosure 1,190 1,183
Carrying Amount | ABL Facility and Other Debt    
Liabilities:    
Notes payable, fair value disclosure 42 21
Estimated Fair Value    
Assets:    
Cash and cash equivalents 155 260
Investments in equity securities 84 79
Available-for-sale debt securities 244 226
Trading securities 5 5
Estimated Fair Value | Senior Notes | Senior Notes at 6.875% Due 2028    
Liabilities:    
Notes payable, fair value disclosure 40 35
Estimated Fair Value | Senior Secured Notes | Senior Notes at 6% Due 2029    
Liabilities:    
Notes payable, fair value disclosure 626 644
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes 5.250%, Due 2030    
Liabilities:    
Notes payable, fair value disclosure 1,395 1,442
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 4.750% Due 2031    
Liabilities:    
Notes payable, fair value disclosure 609 942
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 10.875%, Due 2032    
Liabilities:    
Notes payable, fair value disclosure 1,617 2,188
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 10.750% Due 2033    
Liabilities:    
Notes payable, fair value disclosure 738 741
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 9.75% Due 2034    
Liabilities:    
Notes payable, fair value disclosure 1,769 1,881
Estimated Fair Value | Junior-Priority Secured Notes | Junior-Priority Secured Notes at 6.875% Due 2029    
Liabilities:    
Notes payable, fair value disclosure 1,174 1,108
Estimated Fair Value | Junior-Priority Secured Notes | Junior-Priority Secured Notes at 6.125% Due 2030    
Liabilities:    
Notes payable, fair value disclosure 1,011 985
Estimated Fair Value | ABL Facility and Other Debt    
Liabilities:    
Notes payable, fair value disclosure $ 42 $ 21