XML 47 R36.htm IDEA: XBRL DOCUMENT v2.4.0.6
Investments (Details 5) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Investments    
Impairment write-downs $ (10) $ (39)
Change in intent write-downs (27) (44)
Net other-than-temporary impairment losses recognized in earnings (37) (83)
Sales 172 229
Valuation of derivative instruments (4) 11
Settlements of derivative instruments   11
Total realized capital gains and losses 131 168
Fixed income securities
   
Investments    
Net other-than-temporary impairment losses recognized in earnings (42) (64)
Total realized capital gains and losses 72 (29)
Schedule of Available for Sale Securities    
Gross gains on sales of fixed income securities 134 115
Gross loss on sales of fixed income securities $ 20 $ 90