INTANGIBLE ASSETS (Schedule of Intangible Assets) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 113	$ 112
Finite-Lived Intangible Assets, Accumulated Amortization	(97)	(90)
Finite-Lived Intangible Assets, Net	16	22
Licenses and Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	33	33
Finite-Lived Intangible Assets, Accumulated Amortization	(33)	(33)
Finite-Lived Intangible Assets, Net	0	0
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	80	79
Finite-Lived Intangible Assets, Accumulated Amortization	(64)	(57)
Finite-Lived Intangible Assets, Net	$ 16	$ 22