INVESTMENTS (Details - Value of other securities measured at fair value based on election of the fair value option) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 13,191	$ 14,480
Other Securities, Percent of Total	100.00%	100.00%
U.S. Government agency backed ABS
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 270	$ 421
Fixed maturity securities
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 12,653	$ 13,998
Other Securities, Percent of Total	96.00%	97.00%
Fixed maturity securities | U.S. government and government sponsored entities
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 2,829	$ 2,939
Other Securities, Percent of Total	22.00%	20.00%
Fixed maturity securities | Obligations of states, municipalities and political subdivisions
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 0	$ 0
Other Securities, Percent of Total	0.00%	0.00%
Fixed maturity securities | Non-U.S. government
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 55	$ 51
Other Securities, Percent of Total	0.00%	0.00%
Fixed maturity securities | Corporate debt
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 1,862	$ 1,772
Other Securities, Percent of Total	14.00%	12.00%
Fixed maturity securities | Mortgage-backed, asset-backed and collateralized
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 7,907	$ 9,236
Other Securities, Percent of Total	60.00%	65.00%
Fixed maturity securities | Residential mortgage-backed securities (RMBS)
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 1,869	$ 2,025
Other Securities, Percent of Total	14.00%	14.00%
Fixed maturity securities | Commercial mortgage-backed securities (CMBS)
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 556	$ 603
Other Securities, Percent of Total	4.00%	4.00%
Fixed maturity securities | Collateralized Debt Obligations/Asset-Backed Securities (CDO/ABS)
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 5,482	$ 6,608
Other Securities, Percent of Total	42.00%	47.00%
Equity securities
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 538	$ 482
Other Securities, Percent of Total	4.00%	3.00%