INTANGIBLE ASSETS (Schedule of Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 112	$ 112
Finite-Lived Intangible Assets, Accumulated Amortization	(90)	(87)
Finite-Lived Intangible Assets, Net	22	25
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	79	79
Finite-Lived Intangible Assets, Accumulated Amortization	(57)	(54)
Finite-Lived Intangible Assets, Net	$ 22	$ 25