INCOME TAXES (Details - Income (loss) from continuing operations before income tax expense (benefit) by U.S. and foreign location) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
INCOME TAXES
U.S.	$ (8,396)	$ 3,825	$ (12)
Foreign	1,103	1,462	269
Income (loss) from continuing operations before income tax expense (benefit)	$ (7,293)	$ 5,287	$ 257