XML 62 R52.htm IDEA: XBRL DOCUMENT v3.10.0.1
Investments - Schedule of gain (loss) on investments by transaction type (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Investments [Abstract]      
Impairment write-downs $ (9) $ (41) $ (101)
Change in intent write-downs 0 (4) (12)
Net OTTI losses recognized in earnings (9) (45) (113)
Sales (27) 110 31
Valuation of equity investments (146) 0 0
Valuation and settlements of derivative instruments 7 (16) 5
Total realized capital gains and losses (175) 49 (77)
Fixed income securities      
Investments [Abstract]      
Net OTTI losses recognized in earnings (8) (17) (35)
Total realized capital gains and losses (40) (6) (59)
Schedule of Available for Sale Securities      
Realized gain 34 134 184
Realized loss $ 66 $ 86 $ 171