INVESTMENTS (Details - Value of other securities measured at fair value based on election of the fair value option) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 5,686	$ 6,347
Other Securities, Percent of Total	100.00%	100.00%
Fixed maturity securities
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 4,651	$ 5,291
Other Securities, Percent of Total	82.00%	83.00%
Fixed maturity securities | U.S. government and government sponsored entities
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 1,761	$ 1,845
Other Securities, Percent of Total	31.00%	29.00%
Fixed maturity securities | Corporate debt
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 12	$ 12
Other Securities, Percent of Total	0.00%	0.00%
Fixed maturity securities | Mortgage-backed, asset-backed and collateralized
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 2,878	$ 3,434
Other Securities, Percent of Total	51.00%	54.00%
Fixed maturity securities | Residential mortgage-backed securities (RMBS)
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 315	$ 429
Other Securities, Percent of Total	6.00%	7.00%
Fixed maturity securities | Commercial mortgage-backed securities (CMBS)
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 274	$ 320
Other Securities, Percent of Total	5.00%	5.00%
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	$ 2,289	$ 2,685
Other Securities, Percent of Total	40.00%	42.00%
Equity securities
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other Securities, Fair Value	$ 1,035	$ 1,056
Other Securities, Percent of Total	18.00%	17.00%