INVESTMENTS (Details - Summarized financial information of equity method investees) - All other equity method investments - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating results:
Total revenues	$ 13,066	$ 9,512	$ 22,055
Total expenses	(6,835)	(7,361)	(3,898)
Net income	6,231	2,151	$ 18,157
Balance sheet:
Total assets	132,708	158,306
Total liabilities	(35,585)	(37,336)
Equity method investments, Carrying Value	$ 9,050	$ 10,756