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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

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