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FAIR VALUE MEASUREMENTS, Contingent Consideration (Details) - USD ($) $ in Millions | Jul. 31, 2023 | Apr. 30, 2023 | Oct. 31, 2022 | Jul. 31, 2022 | Apr. 30, 2022 | Oct. 31, 2021
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Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |  |
Fair Value of contingent consideration | $ 3 | $ 8 | $ 67 | $ 67 | $ 67 | $ 89

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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -SubTopic 10 -Topic 820 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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