v3.26.1
Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Realized and unrealized gains (losses) on financial instruments, net $ 8 $ (21) $ 87 $ (36)
Equity securities        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Realized and unrealized gains (losses) on financial instruments, net 0 (1) (6) (1)
Exchangeable senior debentures        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Realized and unrealized gains (losses) on financial instruments, net $ 8 $ (20) $ 93 $ (35)