REVENUE CONTRACT LIABILITIES ROLL FORWARD (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
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| Statement [Line Items] | ||||
| Balance at October 31, 2025 | $ 884 | |||
| Deferral of revenue billed in current period, net of recognition | 585 | |||
| Deferred revenue arising out of acquisitions | 6 | |||
| Revenue recognized that was deferred as of the beginning of the period | $ 112 | $ 103 | 515 | $ 446 |
| Foreign currency translation impact | (3) | |||
| Balance at July 31, 2026 | $ 957 | $ 957 | ||
| X | ||||||||||
- Definition Change in Contract with Customer, Liability No definition available.
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in cumulative translation adjustment, after tax, from translating foreign currency financial statements into the reporting currency. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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