INTANGIBLE ASSETS AND GOODWILL - Carrying Amount of Intangible Assets and Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 290	$ 294
Accumulated Amortization	223	243	$ 205
Net Carrying Amount	67	51
Indefinite-Lived Trade Names	2	2
Goodwill	7	7
Goodwill and Intangible Assets, Gross	299	303	$ 287
Goodwill and Intangible Assets, Net	76	60
Patents and developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	134	134
Accumulated Amortization	107	118
Net Carrying Amount	$ 27	16
Patents and developed technology | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life	6 years
Patents and developed technology | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life	12 years
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 110	114
Accumulated Amortization	94	101
Net Carrying Amount	$ 16	13
Customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life	4 years
Customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life	10 years
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 46	46
Accumulated Amortization	22	24
Net Carrying Amount	$ 24	$ 22
Trade names | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life	5 years
Trade names | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life	20 years