INVESTMENTS (Details - Increase (decrease) in unrealized appreciation (depreciation)) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	$ 1,078	$ 1,547	$ 4,257	$ 10,555
Fixed maturity securities
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	1,059	1,595	4,332	11,957
Equity securities
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	9	(19)	52	(1,159)
Other investments
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	$ 10	$ (29)	$ (127)	$ (243)