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FAIR VALUE MEASUREMENTS, Fair value of assets and liabilities measured on a recurring basis (Details) - USD ($) $ in Millions | Oct. 31, 2023 | Oct. 31, 2022 | Oct. 31, 2021
--- | --- | --- | ---
Assets, Long-term [Abstract] |  |  |
Trading securities | $ 36 | $ 31 |
Total assets measured at fair value | 0 |  | $ 0
Liabilities, Long-term [Abstract] |  |  |
Contingent Consideration | 1 | 67 | $ 89
Fair Value, Recurring |  |  |
Assets, Long-term [Abstract] |  |  |
Total assets measured at fair value | 1,075 | 577 |
Liabilities, Short-term [Abstract] |  |  |
Derivative instruments (foreign exchange contracts) | $ 2 | $ 5 |
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Current | Other Liabilities, Current |
Liabilities, Long-term [Abstract] |  |  |
Total liabilities measured at fair value | $ 39 | $ 103 |
Fair Value, Recurring | Other Current Liabilities |  |  |
Liabilities, Long-term [Abstract] |  |  |
Contingent Consideration | 1 | 66 |
Fair Value, Recurring | Other Noncurrent Liabilities |  |  |
Liabilities, Long-term [Abstract] |  |  |
Contingent Consideration |  | 1 |
Deferred compensation liability | 36 | 31 |
Fair Value, Recurring | Other Current Assets [Member] |  |  |
Assets, Short-term [Abstract] |  |  |
Cash equivalents (money market funds) | 994 | 492 |
Derivative instruments (foreign exchange contracts) | 19 | 31 |
Fair Value, Recurring | Other Noncurrent Assets [Member] |  |  |
Assets, Long-term [Abstract] |  |  |
Trading securities | 36 | 31 |
Other investments | 26 | 23 |
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |
Assets, Long-term [Abstract] |  |  |
Total assets measured at fair value | 1,030 | 523 |
Liabilities, Short-term [Abstract] |  |  |
Derivative instruments (foreign exchange contracts) | $ 0 | $ 0 |
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Current | Other Liabilities, Current |
Liabilities, Long-term [Abstract] |  |  |
Total liabilities measured at fair value | $ 0 | $ 0 |
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Current Liabilities |  |  |
Liabilities, Long-term [Abstract] |  |  |
Contingent Consideration | 0 | 0 |
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Noncurrent Liabilities |  |  |
Liabilities, Long-term [Abstract] |  |  |
Contingent Consideration |  | 0 |
Deferred compensation liability | 0 | 0 |
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Current Assets [Member] |  |  |
Assets, Short-term [Abstract] |  |  |
Cash equivalents (money market funds) | 994 | 492 |
Derivative instruments (foreign exchange contracts) | 0 | 0 |
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Noncurrent Assets [Member] |  |  |
Assets, Long-term [Abstract] |  |  |
Trading securities | 36 | 31 |
Other investments | 0 | 0 |
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) |  |  |
Assets, Long-term [Abstract] |  |  |
Total assets measured at fair value | 45 | 54 |
Liabilities, Short-term [Abstract] |  |  |
Derivative instruments (foreign exchange contracts) | $ 2 | $ 5 |
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Current | Other Liabilities, Current |
Liabilities, Long-term [Abstract] |  |  |
Total liabilities measured at fair value | $ 38 | $ 36 |
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Other Current Liabilities |  |  |
Liabilities, Long-term [Abstract] |  |  |
Contingent Consideration | 0 | 0 |
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Other Noncurrent Liabilities |  |  |
Liabilities, Long-term [Abstract] |  |  |
Contingent Consideration |  | 0 |
Deferred compensation liability | 36 | 31 |
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Other Current Assets [Member] |  |  |
Assets, Short-term [Abstract] |  |  |
Cash equivalents (money market funds) | 0 | 0 |
Derivative instruments (foreign exchange contracts) | 19 | 31 |
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Other Noncurrent Assets [Member] |  |  |
Assets, Long-term [Abstract] |  |  |
Trading securities | 0 | 0 |
Other investments | 26 | 23 |
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) |  |  |
Assets, Long-term [Abstract] |  |  |
Total assets measured at fair value | 0 | 0 |
Liabilities, Short-term [Abstract] |  |  |
Derivative instruments (foreign exchange contracts) | $ 0 | $ 0 |
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Current | Other Liabilities, Current |
Liabilities, Long-term [Abstract] |  |  |
Contingent Consideration | $ 1 |  |
Total liabilities measured at fair value |  | $ 67 |
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Other Current Liabilities |  |  |
Liabilities, Long-term [Abstract] |  |  |
Contingent Consideration | 1 | 66 |
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Other Noncurrent Liabilities |  |  |
Liabilities, Long-term [Abstract] |  |  |
Contingent Consideration |  | 1 |
Deferred compensation liability | 0 | 0 |
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Other Current Assets [Member] |  |  |
Assets, Short-term [Abstract] |  |  |
Cash equivalents (money market funds) | 0 | 0 |
Derivative instruments (foreign exchange contracts) | 0 | 0 |
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Other Noncurrent Assets [Member] |  |  |
Assets, Long-term [Abstract] |  |  |
Trading securities | 0 | 0 |
Other investments | $ 0 | $ 0 |

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