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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, 2023 | Oct. 31, 2022
--- | --- | ---
Assets Short - term [Abstract] |  |
Money market funds | $ 1,471 | $ 1,338
Derivative instruments (foreign exchange contracts) | 15 | 21
Assets, Long-term [Abstract] |  |
Interest Rate Derivative Assets, at Fair Value | 109 | 133
Equity investments | 56 | 50
Equity investments - other | 19 | 12
Total assets measured at fair value | 1,670 | 1,554
Liabilities, Short-term [Abstract] |  |
Derivative instruments (foreign exchange contracts) | 12 | 12
Liabilities Long-term [Abstract] |  |
Deferred compensation liability | 25 | 22
Total liabilities measured at fair value | 37 | 34
Level 1 |  |
Assets Short - term [Abstract] |  |
Money market funds | 1,471 | 1,338
Derivative instruments (foreign exchange contracts) | 0 | 0
Assets, Long-term [Abstract] |  |
Interest Rate Derivative Assets, at Fair Value | 0 | 0
Equity investments | 56 | 50
Equity investments - other | 0 | 0
Total assets measured at fair value | 1,527 | 1,388
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) | 15 | 21
Assets, Long-term [Abstract] |  |
Interest Rate Derivative Assets, at Fair Value | 109 | 133
Equity investments | 0 | 0
Equity investments - other | 0 | 0
Total assets measured at fair value | 124 | 154
Liabilities, Short-term [Abstract] |  |
Derivative instruments (foreign exchange contracts) | 12 | 12
Liabilities Long-term [Abstract] |  |
Deferred compensation liability | 25 | 22
Total liabilities measured at fair value | 37 | 34
Level 3 |  |
Assets Short - term [Abstract] |  |
Money market funds | 0 | 0
Derivative instruments (foreign exchange contracts) | 0 | 0
Assets, Long-term [Abstract] |  |
Interest Rate Derivative Assets, at Fair Value | 0 | 0
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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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI https://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740 + Details
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- Definition Investment in short-term money-market instruments (such as commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and so forth) which are highly liquid (that is, readily convertible to known amounts of cash) and so near their maturity that they present an insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify as cash equivalents by definition. Original maturity means an original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months. + References No definition available. + Details
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