XML 80 R64.htm IDEA: XBRL DOCUMENT v3.3.1.900
Investments (Details Textual)
$ in Millions
12 Months Ended
Dec. 31, 2015
USD ($)
security
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Investment [Line Items]      
Percentage (based on amount of unrealized loss) of available for sale fixed maturities that are in an unrealized loss position and rated investment grade 77.00%    
Percentage (based on fair value) of available for sale fixed maturities that are in an unrealized loss position and rated investment grade 91.00%    
Other than temporary impairment charges $ 125 $ 36 $ 12
Average life of ABS 5 years    
Average life of MBS 4 years    
Residential Mortgage Backed Securities [Member]      
Investment [Line Items]      
Non-credit related portion of other-than-temporary impairment charges taken for securities still owned $ 205 220  
Fixed maturities, Gross Unrealized, Losses (15) (15)  
Other than temporary impairment charges 7    
Securities with non-credit other-than-temporary impairment charges [Member]      
Investment [Line Items]      
Gross Unrealized, Gains 134 151  
Gross Unrealized, Losses (6) (8)  
Fixed maturities [Member]      
Investment [Line Items]      
Fixed maturities, Gross Unrealized, Losses $ (374) (79)  
Number of available for sale securities in an unrealized loss position | security 1,285    
Other than temporary impairment charges $ 43 15 $ 5
Corporate bonds [Member]      
Investment [Line Items]      
Other than temporary impairment charges 31    
Municipal bonds [Member]      
Investment [Line Items]      
Other than temporary impairment charges $ 4    
Common stocks [Member]      
Investment [Line Items]      
Number of available for sale securities in an unrealized loss position | security 63    
Other than temporary impairment charges $ 94    
Equity securities, Gross Unrealized, Losses $ (79) (25)  
Preferred stocks [Member]      
Investment [Line Items]      
Number of available for sale securities in an unrealized loss position | security 19    
Equity securities, Gross Unrealized, Losses $ (6) $ (5)  
Number of available for sale securities in an unrealized loss position for twelve months or longer [Member] | Common stocks [Member]      
Investment [Line Items]      
Number of available for sale securities in an unrealized loss position | security 0    
Number of available for sale securities in an unrealized loss position for twelve months or longer [Member] | Preferred stocks [Member]      
Investment [Line Items]      
Number of available for sale securities in an unrealized loss position | security 3