INVESTMENTS (Details - Value of other securities measured at fair value based on election of the fair value option) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 9,098,000,000	$ 12,668,000,000
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	$ 0	$ 178,000,000
Fixed maturity securities
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 8,327,000,000	$ 11,415,000,000
Other Securities, Percent of Total	91.00%	90.00%
Fixed maturity securities | U.S. government and government sponsored entities
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 2,296,000,000	$ 2,665,000,000
Other Securities, Percent of Total	25.00%	21.00%
Fixed maturity securities | Non-U.S. governments
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 0	$ 45,000,000
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	$ 18,000,000	$ 1,671,000,000
Other Securities, Percent of Total	0.00%	13.00%
Fixed maturity securities | Mortgage-backed, asset-backed and collateralized
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 6,013,000,000	$ 7,034,000,000
Other Securities, Percent of Total	66.00%	56.00%
Fixed maturity securities | Residential mortgage-backed securities (RMBS)
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 1,297,000,000	$ 1,714,000,000
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	$ 403,000,000	$ 388,000,000
Other Securities, Percent of Total	5.00%	3.00%
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	$ 4,313,000,000	$ 4,932,000,000
Other Securities, Percent of Total	47.00%	39.00%
Equity securities
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 771,000,000	$ 1,253,000,000
Other Securities, Percent of Total	9.00%	10.00%