INCOME TAXES (Details - Income tax expense (benefit) attributable to pre-tax income (loss) from continuing operations) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Foreign:
Current	$ 274	$ 267	$ 202
Deferred	(1)	(12)	(7)
U.S.:
Current	(57)	278	134
Deferred	(1,676)	633	(175)
Income tax expense (benefit)	$ (1,460)	$ 1,166	$ 154