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GOODWILL AND INTANGIBLE ASSETS - NARRATIVE (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Goodwill [Line Items]
Goodwill	$ 3,952		$ 3,986
Indefinite-lived tradenames and trademarks	627		642
Goodwill impairment	0	$ 157
Indefinite-lived intangible asset impairment	0	39
Tradenames and trademarks
Goodwill [Line Items]
Indefinite-lived tradenames and trademarks	616		642
Equipment and Instruments Reporting Unit \| Tradenames and trademarks
Goodwill [Line Items]
Indefinite-lived tradenames and trademarks	79
Technologies & Equipment
Goodwill [Line Items]
Goodwill	3,075		$ 3,092
Technologies & Equipment \| MIS Implants Technologies Ltd. And Healthcare Consumable Business
Goodwill [Line Items]
Goodwill	1,222
Technologies & Equipment \| Equipment and Instruments Reporting Unit
Goodwill [Line Items]
Goodwill	$ 292
Goodwill impairment		157
Indefinite-lived intangible asset impairment		$ 39