GOODWILL AND INTANGIBLE ASSETS - RECONCILIATION OF CHANGES IN GOODWILL (Details) $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($)
Goodwill [Roll Forward]
Goodwill, Gross	$ 6,879
Goodwill, Impaired, Accumulated Impairment Loss	(2,893)
Goodwill, net, beginning of the year	3,986
Acquisition related additions	107
Translation and other	(93)
Goodwill, Gross	6,893
Goodwill, Impaired, Accumulated Impairment Loss	(2,893)
Goodwill, net, end of the year	4,000
Technologies & Equipment
Goodwill [Roll Forward]
Goodwill, Gross	5,985
Goodwill, Impaired, Accumulated Impairment Loss	(2,893)
Goodwill, net, beginning of the year	3,092
Acquisition related additions	107
Translation and other	(140)
Goodwill, Gross	5,952
Goodwill, Impaired, Accumulated Impairment Loss	(2,893)
Goodwill, net, end of the year	3,059
Consumables
Goodwill [Roll Forward]
Goodwill, Gross	894
Goodwill, Impaired, Accumulated Impairment Loss	0
Goodwill, net, beginning of the year	894
Acquisition related additions	0
Translation and other	47
Goodwill, Gross	941
Goodwill, Impaired, Accumulated Impairment Loss	0
Goodwill, net, end of the year	$ 941