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ACQUISITIONS - Text (Details) - USD ($) $ in Millions			3 Months Ended	6 Months Ended
	Aug. 23, 2019	Nov. 14, 2018	Apr. 30, 2020	Apr. 30, 2020
BioTek
Business Acquisition [Line Items]
Purchase Price	$ 1,170
Cash Payment to Acquire Businesses	470
Payment to Acquire Business with Debt	$ 700
estimated costs to complete in-process research and development projects			$ 2	$ 2
Acquisition and Integration Costs			$ 2	$ 6
ACEA Biosciences, Inc.
Business Acquisition [Line Items]
Purchase Price		$ 250

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- Definition

Acquisition and Integration costs include all incremental expenses incurred to effect a business combination. Such acquisition costs may include advisory, legal, tax, accounting, valuation, and other professional or consulting fees. Such integration costs may include expenses directly related to integration of business and facility operations, the transfer of assets and intellectual property, information technology systems and infrastructure and other employee-related costs.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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