XML 136 R69.htm IDEA: XBRL DOCUMENT v2.4.0.6
Investments (Details 5) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Investments      
Impairment write-downs $ (496) $ (797) $ (1,562)
Change in intent write-downs (100) (204) (357)
Net other-than-temporary impairment losses recognized in earnings (596) (1,001) (1,919)
Sales 1,336 686 1,272
Valuation of derivative instruments (291) (427) 367
Settlements of derivative instruments (105) (174) (162)
EMA limited partnership income 159 89 (141)
Total realized capital gains and losses 503 (827) (583)
Fixed income securities
     
Investments      
Net other-than-temporary impairment losses recognized in earnings (394) (824) (1,204)
Total realized capital gains and losses 712 (366) (302)
Schedule of Available for Sale Securities      
Gross gains on sales of fixed income securities 1,270 819 1,210
Gross loss on sales of fixed income securities $ 240 $ 435 $ 373