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DERIVATIVES, Effect of derivative instruments on Consolidated Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Derivative [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			$ 8
Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense
Derivative [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (4)	$ (12)	3	$ 43
Designated as Hedging Instruments \| Cash Flow Hedging \| Foreign Exchange Contracts
Derivative [Line Items]
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI	(2)	5	5	2
Designated as Hedging Instruments \| Cash Flow Hedging \| Foreign Exchange Contracts \| Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold
Derivative [Line Items]
Gain (loss) reclassified from accumulated other comprehensive income (loss) into earnings:	2	(3)	10	1
Gain (loss) excluded from effectiveness testing recognized in earnings based on amortization approach:	1	1	3	3
Designated as Hedging Instruments \| Cash Flow Hedging \| Foreign Exchange Contracts \| Income Statement Location [Axis]: us-gaap:InterestExpenseNonoperating
Derivative [Line Items]
Gain (loss) reclassified from accumulated other comprehensive income (loss) into earnings:	3	3	8	8
Designated as Hedging Instruments \| Cash Flow Hedging \| Foreign Exchange Contracts \| Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
Derivative [Line Items]
Gain (loss) reclassified from accumulated other comprehensive income (loss) into earnings:	0	2	3	2
Gain (loss) excluded from effectiveness testing recognized in earnings based on amortization approach:	0	(1)	0	(1)
Designated as Hedging Instruments \| Net Investment Hedging \| Foreign Exchange Contracts
Derivative [Line Items]
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI		0		0
Designated as Hedging Instruments \| Net Investment Hedging \| Foreign Exchange Contracts \| Income Statement Location [Axis]: us-gaap:InterestExpenseNonoperating
Derivative [Line Items]
Gain (loss) excluded from effectiveness testing recognized in earnings based on amortization approach:	1	$ 0	3	$ 0
Designated as Hedging Instruments \| Net Investment Hedging \| Cross Currency Interest Rate Contract
Derivative [Line Items]
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI	$ 10		$ 1