SEGMENT INFORMATION - THIRD PARTY NET SALES (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue, Major Customer [Line Items]
Net sales	$ 1,040	$ 883	$ 3,128	$ 2,263
Technologies & Equipment
Revenue, Major Customer [Line Items]
Net sales	612	497	1,824	1,327
Consumables
Revenue, Major Customer [Line Items]
Net sales	$ 428	$ 386	$ 1,304	$ 936