XML 57 R44.htm IDEA: XBRL DOCUMENT v3.10.0.1
Investments - Available for sale fixed maturities (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost $ 40,053 $ 37,038
Available for sale (AFS) fixed maturities 40,244 38,379
Total fixed maturities    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 40,053 37,038
Fixed maturities, Available for sale, Gross Unrealized, Gains 734 1,423
Fixed maturities, Available for sale, Gross Unrealized, Losses (543) (82)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) 191 1,341
Available for sale (AFS) fixed maturities 40,244 38,379
U.S. Government and government agencies    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 238 244
Fixed maturities, Available for sale, Gross Unrealized, Gains 0 1
Fixed maturities, Available for sale, Gross Unrealized, Losses (4) (3)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) (4) (2)
Available for sale (AFS) fixed maturities 234 242
States, municipalities and political subdivisions    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 6,756 6,887
Fixed maturities, Available for sale, Gross Unrealized, Gains 117 254
Fixed maturities, Available for sale, Gross Unrealized, Losses (98) (18)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) 19 236
Available for sale (AFS) fixed maturities 6,775 7,123
Foreign government    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 137 124
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 139 127
Residential MBS    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 2,408 2,884
Fixed maturities, Available for sale, Gross Unrealized, Gains 310 349
Fixed maturities, Available for sale, Gross Unrealized, Losses (9) (6)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) 301 343
Available for sale (AFS) fixed maturities 2,709 3,227
Commercial MBS    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 913 927
Fixed maturities, Available for sale, Gross Unrealized, Gains 14 36
Fixed maturities, Available for sale, Gross Unrealized, Losses (4) (1)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) 10 35
Available for sale (AFS) fixed maturities 923 962
Asset-backed securities    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 9,249 7,836
Fixed maturities, Available for sale, Gross Unrealized, Gains 122 142
Fixed maturities, Available for sale, Gross Unrealized, Losses (64) (16)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) 58 126
Available for sale (AFS) fixed maturities 9,307 7,962
Corporate and other    
Debt Securities, Available-for-sale [Line Items]    
Fixed maturities, Available for sale, Amortized Cost 20,352 18,136
Fixed maturities, Available for sale, Gross Unrealized, Gains 169 638
Fixed maturities, Available for sale, Gross Unrealized, Losses (364) (38)
Fixed maturities, Available for sale, Net Unrealized, Gains (Losses) (195) 600
Available for sale (AFS) fixed maturities $ 20,157 $ 18,736