Quarterly report pursuant to Section 13 or 15(d)

Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) (Details)

v3.23.3
Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments $ (15) $ (8) $ (95) $ 29
Change in fair value of exchangeable senior debentures realized gain 1 22 108 246
Cumulative amount of gain in change in fair value 552   552  
Gain (loss) on extinguishment of debt $ 1 14 45 8
1.75% Exchangeable Senior Debentures due 2046        
Realized and unrealized gains (losses) on financial instruments        
Gain (loss) on extinguishment of debt     $ 45  
Interest rate (as a percent) 1.75%   1.75%  
1.75% Exchangeable Senior Debentures due 2046 | Maximum        
Realized and unrealized gains (losses) on financial instruments        
Gain (loss) on extinguishment of debt $ 1      
Equity securities        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments (2)   $ (19) (5)
Exchangeable senior debentures        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments (25) 130 (72) 320
Indemnification asset        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments $ 12 $ (138) (3) (287)
Other Financial Instruments        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments     $ (1) $ 1