Supplementary Financial Information - Schedule of Other Non-Current Assets (Details) - USD ($) $ in Millions |
Oct. 31, 2025 |
Oct. 31, 2024 |
|---|---|---|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Deferred tax assets | $ 3,318 | $ 3,311 |
| Intangible assets | $ 1,012 | $ 1,319 |
| Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other non-current assets, total | Other non-current assets, total |
| Right-of-use assets | $ 1,129 | $ 1,165 |
| Prepaid pension and post-retirement benefit assets | 425 | 362 |
| Deposits and prepaid | 316 | 322 |
| Other | 1,361 | 1,129 |
| Other non-current assets, total | $ 7,561 | $ 7,608 |
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- Definition Prepaid Pension And Post-retirement Benefit Asset, Non Current No definition available.
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Indicates line item in statement of financial position that includes operating lease right-of-use asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer. No definition available.
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- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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