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FAIR VALUE MEASUREMENTS (Fair Value of Assets and Liabilities Measured on a Recurring Basis) (Details) - USD ($) $ in Millions | Oct. 31, 2020 | Oct. 31, 2019
--- | --- | ---
Assets, Long-term [Abstract] |  |
Equity investments - other | $ 9 | $ 9
Fair Value, Recurring [Member] |  |
Assets, Short-term [Abstract] |  |
Cash equivalents (money market funds) | 1,047 | 932
Foreign Currency Contract, Asset, Fair Value Disclosure | 3 | 2
Interest Rate Derivative Assets, at Fair Value | 23 | 0
Assets, Long-term [Abstract] |  |
Equity investments | 52 | 37
Equity investments - other | 9 | 9
Assets, Fair Value Disclosure | 1,134 | 980
Liabilities, Short-term [Abstract] |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure | 4 | 6
Liabilities, Long-term [Abstract] |  |
Deferred compensation liability | 18 | 14
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 22 | 20
Fair Value, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Assets, Short-term [Abstract] |  |
Cash equivalents (money market funds) | 1,047 | 932
Foreign Currency Contract, Asset, Fair Value Disclosure | 0 | 0
Interest Rate Derivative Assets, at Fair Value | 0 | 0
Assets, Long-term [Abstract] |  |
Equity investments | 52 | 37
Equity investments - other | 0 | 0
Assets, Fair Value Disclosure | 1,099 | 969
Liabilities, Short-term [Abstract] |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure | 0 | 0
Liabilities, Long-term [Abstract] |  |
Deferred compensation liability | 0 | 0
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | 0
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) |  |
Assets, Short-term [Abstract] |  |
Cash equivalents (money market funds) | 0 | 0
Foreign Currency Contract, Asset, Fair Value Disclosure | 3 | 2
Interest Rate Derivative Assets, at Fair Value | 23 | 0
Assets, Long-term [Abstract] |  |
Equity investments | 0 | 0
Equity investments - other | 0 | 0
Assets, Fair Value Disclosure | 26 | 2
Liabilities, Short-term [Abstract] |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure | 4 | 6
Liabilities, Long-term [Abstract] |  |
Deferred compensation liability | 18 | 14
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 22 | 20
Fair Value, Recurring [Member] | Significant Unobservable Inputs (Level 3) |  |
Assets, Short-term [Abstract] |  |
Cash equivalents (money market funds) | 0 | 0
Foreign Currency Contract, Asset, Fair Value Disclosure | 0 | 0
Interest Rate Derivative Assets, at Fair Value | 0 | 0
Assets, Long-term [Abstract] |  |
Equity investments | 0 | 0
Equity investments - other | 0 | 0
Assets, Fair Value Disclosure | 0 | 0
Liabilities, Short-term [Abstract] |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure | 0 | 0
Liabilities, Long-term [Abstract] |  |
Deferred compensation liability | 0 | 0
Financial and Nonfinancial Liabilities, Fair Value Disclosure | $ 0 | $ 0

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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