INVESTMENTS (Details - Components of Net investment income) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net Investment Income [Line Items]
Total investment income	$ 15,144	$ 12,969	$ 14,699
Investment expenses	525	493	520
Net investment income	14,619	12,476	14,179
Fixed maturity securities, including short-term investments
Net Investment Income [Line Items]
Total investment income	10,768	10,323	10,435
Other fixed maturity securities
Net Investment Income [Line Items]
Total investment income	1,015	7	660
Equity securities
Net Investment Income [Line Items]
Total investment income	159	(162)	34
Interest on mortgage and other loans
Net Investment Income [Line Items]
Total investment income	2,030	1,874	1,661
Alternative investments
Net Investment Income [Line Items]
Total investment income	1,088	655	1,475
Real estate
Net Investment Income [Line Items]
Total investment income	304	257	144
Other investments
Net Investment Income [Line Items]
Total investment income	$ (220)	$ 15	$ 290