INTANGIBLE ASSETS (Schedule of Amortization Expense of Intangible Assets) (Table and Narrative) (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets, Gross	$ 115	$ 113
Finite-Lived Intangible Assets, Accumulated Amortization	(102)	(97)
Finite-Lived Intangible Assets, Net	13	16
Developed Technology Rights
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, Gross	82	80
Finite-Lived Intangible Assets, Accumulated Amortization	(69)	(64)
Finite-Lived Intangible Assets, Net	$ 13	$ 16