INVESTMENTS (Details 5) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
TRADING SECURITIES
Trading Securities, Fair Value	$ 23,691	$ 25,246
Trading Securities, Percent of Total	100.00%	100.00%
U.S. Government agency backed ABS
TRADING SECURITIES
Trading Securities, Fair Value	1,000
Fixed maturity securities
TRADING SECURITIES
Trading Securities, Fair Value	22,884	24,584
Trading Securities, Percent of Total	97.00%	98.00%
Fixed maturity securities | U.S. government and government sponsored entities
TRADING SECURITIES
Trading Securities, Fair Value	5,867	6,794
Trading Securities, Percent of Total	25.00%	27.00%
Fixed maturity securities | Obligations of states, territories and political subdivisions
TRADING SECURITIES
Trading Securities, Fair Value	181
Trading Securities, Percent of Total	1.00%
Fixed maturity securities | Non-U.S. government
TRADING SECURITIES
Trading Securities, Fair Value	2	2
Fixed maturity securities | Corporate debt
TRADING SECURITIES
Trading Securities, Fair Value	1,147	1,320
Trading Securities, Percent of Total	5.00%	5.00%
Fixed maturity securities | Mortgage-backed, asset-backed and collateralized
TRADING SECURITIES
Trading Securities, Fair Value	15,680	16,460
Trading Securities, Percent of Total	66.00%	66.00%
Fixed maturity securities | Residential mortgage-backed securities (RMBS)
TRADING SECURITIES
Trading Securities, Fair Value	2,178	1,727
Trading Securities, Percent of Total	9.00%	7.00%
Fixed maturity securities | Commercial mortgage-backed securities (CMBS)
TRADING SECURITIES
Trading Securities, Fair Value	1,454	2,227
Trading Securities, Percent of Total	6.00%	9.00%
Fixed maturity securities | Collateralized Debt Obligations/Asset-Backed Securities (CDO/ABS)
TRADING SECURITIES
Trading Securities, Fair Value	12,048	12,506
Trading Securities, Percent of Total	51.00%	50.00%
Fixed maturity securities | Other
TRADING SECURITIES
Trading Securities, Fair Value	7	8
Equity securities
TRADING SECURITIES
Trading Securities, Fair Value	$ 807	$ 662
Trading Securities, Percent of Total	3.00%	2.00%