Financial Instruments - Narrative (Details) - USD ($) $ in Millions |
9 Months Ended | |
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Jul. 31, 2026 |
Oct. 31, 2025 |
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| Derivatives, Fair Value | ||
| Fair value of derivatives with credit contingent features in a net liability position | $ 29 | $ 98 |
| Period to collateralize | 2 days | |
| Gain expected to be reclassified from AOCI into earnings in next 12 months | $ (21) | |
| Cash Flow Hedging | ||
| Derivatives, Fair Value | ||
| Foreign currency maturity | 12 months | |
| Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent | ||
| Derivatives, Fair Value | ||
| Cost method and other equity investments | $ 142 | $ 137 |
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- Definition Derivative, Period to Collateralize No definition available.
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- Definition Equity Securities, Cost Method and Other Equity Investments No definition available.
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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Maximum period of hedging exposure to variability in future cash flow for forecasted transaction of foreign currency cash flow hedge, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Excludes forecasted transaction for payment of variable interest on existing financial instrument. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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