Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.2
Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments $ (33) $ 7 $ (80) $ 37
Change in fair value of exchangeable senior debentures realized gain (62) 190 106 224
Cumulative amount of gain in change in fair value 552   552  
Gain (loss) on extinguishment of debt 29 (6) 44 (6)
1.75% Exchangeable Senior Debentures due 2046        
Realized and unrealized gains (losses) on financial instruments        
Gain (loss) on extinguishment of debt $ 19   $ 44  
Interest rate (as a percent) 1.75%   1.75%  
Equity securities        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments $ (14) 5 $ (17) (5)
Exchangeable senior debentures        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments (1) 66 (47) 190
Indemnification asset        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments $ (18) $ (64) (15) (149)
Other Financial Instruments        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments     $ (1) $ 1