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DERIVATIVES, Effect of derivative instruments on Consolidated Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2026	Apr. 30, 2025
Derivative [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			$ 13
Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense
Derivative [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (3)	$ 127	7	$ 55
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	0	(2)	7	(3)
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:	4	2	8	4
Gain (loss) excluded from effectiveness testing recognized in earnings based on amortization approach:	1	1	2	2
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:	2	2	5	5
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:	2	0	3	0
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:InterestExpenseOperating
Derivative [Line Items]
Gain (loss) excluded from effectiveness testing recognized in earnings based on amortization approach:	2	$ 0	2	$ 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	$ 9		$ (9)