REVENUE - Contract Assets and Liability (Details) - USD ($) $ in Millions |
6 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Oct. 31, 2025 |
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| Contract Asset | |||
| Contract Assets (Unbilled Accounts Receivable) | $ 326 | $ 329 | |
| Contract Liability | |||
| Contract liability ending balance as of October 31, 2025 | 803 | ||
| Net revenue deferred in the period | 431 | ||
| Revenue recognized that was included in the contract liability balance at the beginning of the period | (386) | $ (347) | |
| Change in deferrals from customer cash advances, net of revenue recognized | (1) | ||
| Currency Translation and Other Adjustment | 8 | ||
| Contract liability ending balance as of April 30, 2026 | $ 855 | ||
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 | ||||||||||
- References No definition available.
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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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- 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 deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- 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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