SEGMENT AND GEOGRAPHIC INFORMATION - NET SALES (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment	2
Revenue, Major Customer [Line Items]
Total net sales	$ 3,342	$ 4,029	$ 3,986
Technologies & Equipment
Revenue, Major Customer [Line Items]
Total net sales	1,961	2,283	2,168
Consumables
Revenue, Major Customer [Line Items]
Total net sales	$ 1,381	$ 1,746	$ 1,818