RESTRUCTURING AND OTHER RELATED COSTS - Income Statement (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Apr. 30, 2026	Jan. 31, 2026	Apr. 30, 2025	Apr. 30, 2026	Apr. 30, 2025
Restructuring Cost and Reserve [Line Items]
Income statement expense	$ 8		$ 56	$ 28	$ 57
Cost of Products and Services
Restructuring Cost and Reserve [Line Items]
Income statement expense	3		15	8	15
Research and Development
Restructuring Cost and Reserve [Line Items]
Income statement expense	0		3	0	3
Selling, General and Administrative
Restructuring Cost and Reserve [Line Items]
Income statement expense	5		$ 38	20	39
Employee Severance \| FY25 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Income statement expense	$ 8	$ 20		$ 28
Employee Severance \| FY24 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Income statement expense					$ 1

- 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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