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GOODWILL AND OTHER INTANGIBLE ASSETS Roll forward (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Goodwill - Rollforward
Beginning Balance	$ 3,593	$ 2,973
Foreign currency translation impact	9	(5)
Goodwill arising from acquisitions	0	625
Ending Balance	3,602	3,593
Life Sciences and Applied Markets
Goodwill - Rollforward
Beginning Balance	1,438	803
Foreign currency translation impact	3	(1)
Goodwill arising from acquisitions		636
Ending Balance	1,441	1,438
Diagnostics and Genomics
Goodwill - Rollforward
Beginning Balance	1,594	1,607
Foreign currency translation impact	5	(2)
Indefinite-lived Intangible Assets, Purchase Accounting Adjustments		(11)
Ending Balance	1,599	1,594
Agilent CrossLab
Goodwill - Rollforward
Beginning Balance	561	563
Foreign currency translation impact	1	(2)
Goodwill arising from acquisitions		0
Ending Balance	$ 562	$ 561

X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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-Publisher FASB
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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB
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- Definition

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- Definition

Amount of increase (decrease) of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit, from purchase accounting adjustments.

+ References

No definition available.

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