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GOODWILL AND INTANGIBLE ASSETS - GOODWILL BY REPORTABLE SEGMENT (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Roll Forward]
Balance, beginning of the year	$ 3,397,000,000	$ 3,431,000,000
Acquisition activity	631,000,000	3,000,000
Divestiture of business		(4,000,000)
Impairment	(157,000,000)	0	$ (1,086,000,000)
Effect of exchange rate changes	115,000,000	(33,000,000)
Balance, end of the year	3,986,000,000	3,397,000,000	3,431,000,000
Technologies & Equipment
Goodwill [Roll Forward]
Balance, beginning of the year	2,516,000,000	2,545,000,000
Acquisition activity	631,000,000	3,000,000
Divestiture of business		(4,000,000)
Impairment	(157,000,000)		(1,086,000,000)
Effect of exchange rate changes	102,000,000	(28,000,000)
Balance, end of the year	3,092,000,000	2,516,000,000	2,545,000,000
Consumables
Goodwill [Roll Forward]
Balance, beginning of the year	881,000,000	886,000,000
Acquisition activity	0	0
Divestiture of business		0
Impairment	0
Effect of exchange rate changes	13,000,000	(5,000,000)
Balance, end of the year	$ 894,000,000	$ 881,000,000	$ 886,000,000

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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