v3.26.3
Fair Value Measurements - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Fair value adjustments included gains (losses) $ (19) $ 6 $ (150) $ 130      
Capped Call Transactions 2030              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Aggregate Fair Value 5   5        
Exchange Features 2029              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Unamortized debt discount           $ 4  
Exchangeable Notes Due 2029              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Unamortized debt discount 4   4       $ 4
Exchangeable Notes Due 2029 | Senior Notes              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Unamortized debt discount 61   61       67
Aggregate Fair Value 13   13       78
Exchangeable Notes Due 2029 | Level 3 | Senior Notes              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Aggregate Fair Value 13   13        
Exchangeable Notes Due 2030 | Senior Notes              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Unamortized debt discount 87   87       99
Aggregate Fair Value 11   11       $ 54
Exchangeable First Lien Notes Due 2030 | Senior Notes              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Unamortized debt discount 118   118   $ 115    
Aggregate Fair Value $ 68   $ 68        
Debt issuance cost         $ 85