INVESTMENTS (Details 4) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Available for Sale Securities Disclosures
Gross Realized Gains	$ 3,293,000,000	$ 2,241,000,000	$ 2,949,000,000
Gross Realized Losses	202,000,000	164,000,000	378,000,000
Aggregate fair value of available for sale securities sold	40,300,000,000	44,000,000,000	56,000,000,000
Net realized capital gains (losses)	3,100,000,000	2,100,000,000	2,600,000,000
Fixed maturity securities
Available for Sale Securities Disclosures
Gross Realized Gains	2,778,000,000	2,042,000,000	2,138,000,000
Gross Realized Losses	171,000,000	129,000,000	292,000,000
Equity securities available for sale
Available for Sale Securities Disclosures
Gross Realized Gains	515,000,000	199,000,000	811,000,000
Gross Realized Losses	$ 31,000,000	$ 35,000,000	$ 86,000,000