Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Realized and unrealized gains (losses) on financial instruments    
Realized and unrealized gains (losses) on financial instruments $ 41 $ (138)
Change in fair value of exchangeable senior debentures realized gain (68) 220
Cumulative amount of gain in change in fair value 125  
Exchangeable senior debentures    
Realized and unrealized gains (losses) on financial instruments    
Realized and unrealized gains (losses) on financial instruments 46 (50)
Indemnification asset    
Realized and unrealized gains (losses) on financial instruments    
Realized and unrealized gains (losses) on financial instruments (52) (22)
Other Financial Instruments    
Realized and unrealized gains (losses) on financial instruments    
Realized and unrealized gains (losses) on financial instruments $ 47 $ (66)