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FAIR VALUE MEASUREMENTS (Fair value of assets and liabilities measured on a recurring basis) (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions | Jan. 31, 2024 | Oct. 31, 2023
--- | --- | ---
Assets Short - term [Abstract] |  |
Money market funds | $ 1,163 | $ 1,934
Derivative instruments (foreign exchange contracts) | 14 | 18
Assets, Long-term [Abstract] |  |
Equity investments | 62 | 56
Equity investments - other | 28 | 25
Total assets measured at fair value | 1,267 | 2,033
Liabilities, Short-term [Abstract] |  |
Derivative instruments (foreign exchange contracts) | 9 | 54
Liabilities Long-term [Abstract] |  |
Deferred compensation liability | 30 | 27
Total liabilities measured at fair value | 39 | 81
Level 1 |  |
Assets Short - term [Abstract] |  |
Money market funds | 1,163 | 1,934
Derivative instruments (foreign exchange contracts) | 0 | 0
Assets, Long-term [Abstract] |  |
Equity investments | 62 | 56
Equity investments - other | 0 | 0
Total assets measured at fair value | 1,225 | 1,990
Liabilities, Short-term [Abstract] |  |
Derivative instruments (foreign exchange contracts) | 0 | 0
Liabilities Long-term [Abstract] |  |
Deferred compensation liability | 0 | 0
Total liabilities measured at fair value | 0 | 0
Level 2 |  |
Assets Short - term [Abstract] |  |
Money market funds | 0 | 0
Derivative instruments (foreign exchange contracts) | 14 | 18
Assets, Long-term [Abstract] |  |
Equity investments | 0 | 0
Equity investments - other | 0 | 0
Total assets measured at fair value | 14 | 18
Liabilities, Short-term [Abstract] |  |
Derivative instruments (foreign exchange contracts) | 9 | 54
Liabilities Long-term [Abstract] |  |
Deferred compensation liability | 30 | 27
Total liabilities measured at fair value | 39 | 81
Level 3 |  |
Assets Short - term [Abstract] |  |
Money market funds | 0 | 0
Derivative instruments (foreign exchange contracts) | 0 | 0
Assets, Long-term [Abstract] |  |
Equity investments | 0 | 0
Equity investments - other | 0 | 0
Total assets measured at fair value | 0 | 0
Liabilities, Short-term [Abstract] |  |
Derivative instruments (foreign exchange contracts) | 0 | 0
Liabilities Long-term [Abstract] |  |
Deferred compensation liability | 0 | 0
Total liabilities measured at fair value | $ 0 | $ 0

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