Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments, net $ (113) $ 20 $ (194) $ 119
Equity securities        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments, net (3) 30 2 144
Exchangeable senior debentures        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments, net (139) 26 (255) 43
Indemnification asset        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments, net 23 (35) 55 (64)
Other financial instruments        
Realized and unrealized gains (losses) on financial instruments        
Realized and unrealized gains (losses) on financial instruments, net $ 6 $ (1) $ 4 $ (4)