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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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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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ACQUISITION - ADDITIONAL INFORMATION (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended
	Nov. 30, 2018	Dec. 31, 2019	Jun. 30, 2019
Business Acquisition [Line Items]
Goodwill		$ 39,998	$ 40,273
PHC-MERCK ACQUISITION [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years
Payments to Acquire Businesses, Gross	$ 3,700
Goodwill	2,083
Business Acquisition, Goodwill, Expected Tax Deductible Amount	180
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 2,134
Trade Names [Member] \| PHC-MERCK ACQUISITION [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	14 years
Trade Names [Member] \| Minimum \| PHC-MERCK ACQUISITION [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		10 years
Trade Names [Member] \| Maximum \| PHC-MERCK ACQUISITION [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		20 years
Patents and Developed Technology [Member] \| PHC-MERCK ACQUISITION [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Customer Relationships [Member] \| PHC-MERCK ACQUISITION [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	20 years