INVESTMENTS (Details - Increase (decrease) in unrealized appreciation (depreciation)) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	$ 4,062	$ 605
Fixed maturity securities
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	4,235	2,019
Equity securities
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	22	(1,155)
Other investments
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	$ (195)	$ (259)