Investments (Details 5) (USD $) In Millions	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Investments
Impairment write-downs	$ (190)	$ (137)	$ (374)	$ (599)
Change in intent write-downs	(13)	(30)	(98)	(129)
Net other-than-temporary impairment losses recognized in earnings	(203)	(167)	(472)	(728)
Sales	692	319	1,116	552
Valuation of derivative instruments	(254)	(133)	(282)	(571)
Settlements of derivative instruments	20	(152)	(72)	(209)
Equity method of accounting ("EMA") limited partnership income	9	(11)	127	13
Realized capital gains and losses	264	(144)	417	(943)
Fixed income securities
Investments
Net other-than-temporary impairment losses recognized in earnings	(86)	(140)	(305)	(585)
Realized capital gains and losses	603	84	615	(240)
Schedule of Available for Sale Securities
Gross gains on sales of fixed income securities	709	387	1,100	673
Gross loss on sales of fixed income securities	$ 32	$ 173	$ 218	$ 360

The amount of change in intent write-downs reflect instances where the Company has made a decision to sell the security or it is more likely than not the Company will be required to sell the security before recovery of its amortized cost basis.

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