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FAIR VALUE MEASUREMENTS (Tables) | 6 Months Ended
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Apr. 30, 2025
Fair Value Disclosures [Abstract] |
Fair Value Assets And Liabilities Measured On Recurring Basis | Financial assets and liabilities measured at fair value on a recurring basis as of April 30, 2025 were as follows:
|  |  | Fair Value Measurement at April 30, 2025 Using
| April 30, 2025 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
| (in millions)
Assets: |  |  |  |  |  |  |
Short-term |  |  |  |  |  |  |
Cash equivalents (money market funds) | $ | 832 |  |  | $ | 832 |  |  | $ | — |  |  | $ | — |
Derivative instruments (foreign exchange contracts) | 18 |  |  | — |  |  | 18 |  |  | — |
Long-term |  |  |  |  |  |  |
Trading securities | 40 |  |  | 40 |  |  | — |  |  | — |
Other investments | 33 |  |  | — |  |  | 33 |  |  | — |
Total assets measured at fair value | $ | 923 |  |  | $ | 872 |  |  | $ | 51 |  |  | $ | — |
Liabilities: |  |  |  |  |  |  |
Short-term |  |  |  |  |  |  |
Derivative instruments (foreign exchange contracts) | $ | 24 |  |  | $ | — |  |  | $ | 24 |  |  | $ | — |
Long-term |  |  |  |  |  |  |
Deferred compensation liability | 40 |  |  | — |  |  | 40 |  |  | — |
Total liabilities measured at fair value | $ | 64 |  |  | $ | — |  |  | $ | 64 |  |  | $ | — |
Financial assets and liabilities measured at fair value on a recurring basis as of October 31, 2024 were as follows:
|  |  | Fair Value Measurement at October 31, 2024 Using
| October 31, 2024 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
| (in millions)
Assets: |  |  |  |  |  |  |
Short-term |  |  |  |  |  |  |
Cash equivalents (money market funds) | $ | 800 |  |  | $ | 800 |  |  | $ | — |  |  | $ | — |
Derivative instruments (foreign exchange contracts) | 14 |  |  | — |  |  | 14 |  |  | — |
Long-term |  |  |  |  |  |  |
Trading securities | 43 |  |  | 43 |  |  | — |  |  | — |
Other investments | 31 |  |  | — |  |  | 31 |  |  | — |
Total assets measured at fair value | $ | 888 |  |  | $ | 843 |  |  | $ | 45 |  |  | $ | — |
Liabilities: |  |  |  |  |  |  |
Short-term |  |  |  |  |  |  |
Derivative instruments (foreign exchange contracts) | $ | 12 |  |  | $ | — |  |  | $ | 12 |  |  | $ | — |
Long-term |  |  |  |  |  |  |
Deferred compensation liability | 43 |  |  | — |  |  | 43 |  |  | — |
Total liabilities measured at fair value | $ | 55 |  |  | $ | — |  |  | $ | 55 |  |  | $ | — |
Gain (Loss) on Securities | Gains and losses reflected in other income (expense), net for our equity investments with readily determinable fair value ("RDFV") and equity investments without RDFV are summarized below:
| Three Months Ended |  | Six Months Ended
| April 30, |  | April 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
| (in millions)
Net gain (loss) recognized during the period on equity securities | $ | (28) |  |  | $ | 1 |  |  | $ | (27) |  |  | $ | 4 |
Less: Net gain (loss) on equity securities sold during the period | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Unrealized gain (loss) on equity securities | $ | (28) |  |  | $ | 1 |  |  | $ | (27) |  |  | $ | 4 |

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- Definition Tabular disclosure of realized and unrealized gain (loss) on investment in security. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(9)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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