ACQUISITION ACQUISITION - ADDITIONAL INFORMATION (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Business Acquisition [Line Items]
Goodwill		$ 40,273	$ 45,175	$ 44,699
PHC-MERCK ACQUISITION [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years
Goodwill	$ 2,138
Payments to Acquire Businesses, Gross	3,700
Business Acquisition, Goodwill, Expected Tax Deductible Amount	180
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 2,143
Brands | PHC-MERCK ACQUISITION [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	14 years
Patents [Member] | PHC-MERCK ACQUISITION [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		10 years
Customer Relationships | PHC-MERCK ACQUISITION [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	20 years	20 years
Minimum | Brands | PHC-MERCK ACQUISITION [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		10 years
Maximum | Brands | PHC-MERCK ACQUISITION [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		20 years