Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments, net $ (45) $ (27) $ (239) $ 92
Equity securities        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments, net 1 10 3 154
Exchangeable senior debentures        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments, net (49) (52) (304) (9)
Indemnification asset        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments, net $ 3 $ 15 58 (49)
Other financial instruments        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments, net     $ 4 $ (4)