RESTRUCTURING AND OTHER RELATED COSTS - Income Statement (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Jul. 31, 2026	Apr. 30, 2026	Jan. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Restructuring Cost and Reserve [Line Items]
Income statement expense	$ 15			$ 17	$ 43	$ 74
Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold
Restructuring Cost and Reserve [Line Items]
Income statement expense	1			7	9	22
Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense
Restructuring Cost and Reserve [Line Items]
Income statement expense	3			0	3	3
Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
Restructuring Cost and Reserve [Line Items]
Income statement expense	11			$ 10	31	$ 49
Employee Severance
Restructuring Cost and Reserve [Line Items]
Income statement expense	15	$ 8	$ 20
Employee Severance \| FY25 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Income statement expense	$ 0	$ 8	$ 20		$ 28

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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