Supplementary Financial Information - Contract Liabilities (Narrative) (Details) - USD ($) $ in Billions |
9 Months Ended | |
|---|---|---|
Jul. 31, 2026 |
Oct. 31, 2025 |
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| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Contract liability | $ 3.4 | $ 3.2 |
| Revenue recognized | $ 1.2 |
| 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 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 | ||||||||||
- References No definition available.
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