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RESTRUCTURING AND OTHER RELATED COSTS - Income Statement (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Jul. 31, 2025	Apr. 30, 2025	Jan. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Restructuring Cost and Reserve [Line Items]
Income statement expense	$ 17			$ 67	$ 74	$ 71
Cost of Products and Services
Restructuring Cost and Reserve [Line Items]
Income statement expense	7			12	22	12
Research and Development
Restructuring Cost and Reserve [Line Items]
Income statement expense	0			18	3	20
Selling, General and Administrative
Restructuring Cost and Reserve [Line Items]
Income statement expense	10			$ 37	49	$ 39
Employee Severance
Restructuring Cost and Reserve [Line Items]
Income statement expense	17	$ 56	$ 1
Employee Severance \| FY25 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Income statement expense	$ 17	$ 56			$ 73

- 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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