ACQUISITION ACQUISITION - FAIR VALUE OF INTANGIBLES (Details) - PHC-MERCK ACQUISITION [Member] - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2018	Jun. 30, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 1,197
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets	$ 2,143
Brands
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 701
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	14 years
Patents and Developed Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 162
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 334
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	20 years	20 years
Brands
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets	$ 946