XML 95 R47.htm IDEA: XBRL DOCUMENT v3.19.3
Investments - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
security
Sep. 30, 2018
USD ($)
Dec. 31, 2018
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     63.00%    
Percentage (based on fair value) of available for sale fixed maturities that are in an unrealized loss position and rated investment grade     88.00%    
Other than temporary impairment charges $ 9 $ 2 $ 13 $ 3  
Residential MBS          
Investment [Line Items]          
Non-credit related portion of other-than-temporary impairment charges taken for securities still owned 124   124   $ 140
Gross unrealized losses on fixed maturities (4)   (4)   (9)
Other than temporary impairment charges       1  
Collateralized loan obligations          
Investment [Line Items]          
Gross unrealized losses on fixed maturities (18)   (18)   (73)
Other than temporary impairment charges     15    
Securities with non-credit other-than-temporary impairment charges          
Investment [Line Items]          
Gross unrealized gains 114   114   119
Gross unrealized losses (3)   (3)   (4)
Fixed maturities          
Investment [Line Items]          
Gross unrealized losses on fixed maturities (64)   $ (64)   $ (603)
Number of available for sale securities in an unrealized loss position | security     602    
Other than temporary impairment charges $ 14 $ 2 $ 20 3  
Corporate bonds          
Investment [Line Items]          
Other than temporary impairment charges     4 $ 2  
Maximum | Residential MBS          
Investment [Line Items]          
Other than temporary impairment charges     $ 1