INVESTMENTS (Details 9) (Fixed maturity securities, USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Fixed maturity securities
Other Than Temporary Impairment Credit Losses Recognized in Earnings
Balance at the beginning of the period	$ 5,164	$ 6,504
Increases due to:
Credit impairments on new securities subject to impairment losses	17	137
Additional credit impairments on previously impaired securities	18	307
Reduction due to:
Credit impaired securities fully disposed for which there was no prior intent or requirement to sell	(391)	(270)
Accretion on securities previously impaired due to credit	(205)	(222)
Other		8
Balance at the end of the period	$ 4,603	$ 6,464

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The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).

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