ACQUISITION ACQUISITION - FAIR VALUE OF INTANGIBLES (Details) - PHC-MERCK ACQUISITION [Member] - USD ($) $ in Millions	1 Months Ended	9 Months Ended
	Nov. 30, 2018	Mar. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 1,165
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 2,111
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years
Trade Names [Member]
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 [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 118
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years	7 years
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 346
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	20 years	20 years
Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets	$ 946