SEGMENT INFORMATION Revenue by product category (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Segment Reporting Information [Line Items]
Net revenue	$ 4,914	$ 4,472	$ 4,202
Instrumentation [Member]
Segment Reporting Information [Line Items]
Net revenue	2,032	1,858	1,790
Analytical Lab Services [Member]
Segment Reporting Information [Line Items]
Net revenue	1,083	991	910
Analytical lab consumables [Member]
Segment Reporting Information [Line Items]
Net revenue	618	540	510
Diagnostics and genomics solutions [Member]
Segment Reporting Information [Line Items]
Net revenue	943	860	790
Informatics and other [Member]
Segment Reporting Information [Line Items]
Net revenue	$ 238	$ 223	$ 202

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration