XML 139 R69.htm IDEA: XBRL DOCUMENT v2.4.0.6
Investments (Details 5) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Investments      
Impairment write-downs $ (185) $ (496) $ (797)
Change in intent write-downs (48) (100) (204)
Net other-than-temporary impairment losses recognized in earnings (233) (596) (1,001)
Sales 536 1,336 686
Valuation of derivative instruments (11) (291) (427)
Settlements of derivative instruments 35 (105) (174)
EMA limited partnership income   159 89
Total realized capital gains and losses 327 503 (827)
Fixed income securities
     
Investments      
Net other-than-temporary impairment losses recognized in earnings (144) (394) (824)
Total realized capital gains and losses 107 712 (366)
Schedule of Available for Sale Securities      
Gross gains on sales of fixed income securities 564 1,270 819
Gross loss on sales of fixed income securities $ 322 $ 240 $ 435