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SHARE-BASED COMPENSATION (Allocation of period costs) (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Share-based Compensation Expense, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Expense	$ 50	$ 55
ESI Group SA
Share-based Compensation Expense, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Expense	5
Cost of products and services
Share-based Compensation Expense, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Expense	8	9
Research and development
Share-based Compensation Expense, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Expense	13	16
Selling, general and administrative
Share-based Compensation Expense, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Expense	$ 29	$ 30

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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+ References

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