XML 72 R57.htm IDEA: XBRL DOCUMENT v3.10.0.1
Investments - Available for sale fixed maturities (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost $ 41,837 $ 37,038
Available for sale (AFS) fixed maturities 41,997 38,379
Total fixed maturities    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 41,837 37,038
Fixed maturities, Available for sale, Gross Unrealized, Gains 763 1,423
Fixed maturities, Available for sale, Gross Unrealized, Losses (603) (82)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) 160 1,341
Available for sale (AFS) fixed maturities 41,997 38,379
U.S. Government and government agencies    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 235 244
Fixed maturities, Available for sale, Gross Unrealized, Gains 1 1
Fixed maturities, Available for sale, Gross Unrealized, Losses (3) (3)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) (2) (2)
Available for sale (AFS) fixed maturities 233 242
States, municipalities and political subdivisions    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 6,825 6,887
Fixed maturities, Available for sale, Gross Unrealized, Gains 169 254
Fixed maturities, Available for sale, Gross Unrealized, Losses (55) (18)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) 114 236
Available for sale (AFS) fixed maturities 6,939 7,123
Foreign government    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 140 124
Fixed maturities, Available for sale, Gross Unrealized, Gains 2 3
Fixed maturities, Available for sale, Gross Unrealized, Losses 0 0
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) 2 3
Available for sale (AFS) fixed maturities 142 127
Residential MBS    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 2,476 2,884
Fixed maturities, Available for sale, Gross Unrealized, Gains 277 349
Fixed maturities, Available for sale, Gross Unrealized, Losses (9) (6)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) 268 343
Available for sale (AFS) fixed maturities 2,744 3,227
Commercial MBS    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 905 927
Fixed maturities, Available for sale, Gross Unrealized, Gains 17 36
Fixed maturities, Available for sale, Gross Unrealized, Losses (2) (1)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) 15 35
Available for sale (AFS) fixed maturities 920 962
Asset-backed securities    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 9,781 7,836
Fixed maturities, Available for sale, Gross Unrealized, Gains 130 142
Fixed maturities, Available for sale, Gross Unrealized, Losses (100) (16)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) 30 126
Available for sale (AFS) fixed maturities 9,811 7,962
Corporate and other    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 21,475 18,136
Fixed maturities, Available for sale, Gross Unrealized, Gains 167 638
Fixed maturities, Available for sale, Gross Unrealized, Losses (434) (38)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) (267) 600
Available for sale (AFS) fixed maturities $ 21,208 $ 18,736