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FAIR VALUE MEASUREMENTS FAIR VALUE MEASURMENTS - Fair value of assets and liabilities measured on non recurring (Details) - USD ($) $ in Millions | 12 Months Ended
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Oct. 31, 2025 | Oct. 31, 2024 | Oct. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Carrying value of long-lived asset | $ 15 | $ 19 | $ 277
Long-lived assets held for use impairment | $ 15 | $ 19 | $ 277
Long lived assets, held for use, location not disclosed | impairment charge | impairment charge | impairment charge
Impairments in non-marketable securities without readily determinable fair value | $ 15 | $ 11 | $ 0
Unrealized gain on non-marketable equity securities |  | 1 |
Other Assets, Fair Value Disclosure | $ 0 | $ 0 | $ 0

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- Definition Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-4 + Details
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