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Financial Instruments - Narrative (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Apr. 30, 2021 | Oct. 31, 2020
Derivatives, Fair Value |  |
Fair value of derivatives with credit contingent features in a net liability position | $ 258,000,000 | $ 90,000,000
Period to collateralize | 2 days |
Notional amount | $ 23,832,000,000 | 21,997,000,000
Loss expected to be reclassified from Accumulated OCI into earnings in next 12 months | 165,000,000 |
$1,150 issued at discount to par at a price of 99.769% in June 2020 at 2.2%, due June 2025 |  |
Derivatives, Fair Value |  |
Face amount of debt instrument | 1,150,000,000 |
Interest Rate Swap |  |
Derivatives, Fair Value |  |
Notional amount | $ 250,000,000 |
Cash flow hedges |  |
Derivatives, Fair Value |  |
Foreign currency maturity | 12 months |
Cash flow hedges | Forward Contracts |  |
Derivatives, Fair Value |  |
Notional amount | $ 750,000,000 |
Fair value hedges | Interest Rate Swap |  |
Derivatives, Fair Value |  |
Notional amount | 125,000,000 |
Other Non-Current Assets | Equity securities in privately held companies |  |
Derivatives, Fair Value |  |
Cost method and other equity investments | $ 48,000,000 | $ 44,000,000

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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
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