SEGMENTS REPORTING (Revenues and Property, Plant and Equipment, Net by Geographical Location) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 5,354	$ 1,990	$ 2,332
Property, plant and equipment, net	8,743	1,929	1,286
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	4,580	1,505	1,847
Property, plant and equipment, net	8,647	1,929	1,286
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	602	448	395
Property, plant and equipment, net	91	0	0
Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	172	37	90
Property, plant and equipment, net	$ 5	$ 0	$ 0