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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

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- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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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. + Details
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