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OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions	Apr. 30, 2022	Oct. 31, 2021	Apr. 30, 2021	Oct. 31, 2020
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Cash and cash equivalents	$ 1,186	$ 1,484
Restricted Cash	2	6
Cash, cash equivalents, restricted cash and restricted cash equivalents	1,188	1,490	$ 1,387	$ 1,447
Variable Interest Entity
Assets	10,455	10,705
Fair Value of Financial Instruments
Long-term debt	2,730	2,729
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value of Financial Instruments
Long-term Debt, Fair Value	2,478	2,806
Other Assets
Operating Leases
Right-of-Use Asset	162	178
Other Accrued Liabilities and Other Long-Term Liabilities
Operating Leases
Present value of future minimum lease payments	164	182
Variable Interest Entity, Not Primary Beneficiary [Member]
Variable Interest Entity
Assets	$ 81	$ 76

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