ACQUISITIONS (Narrative) (Details) - USD ($) $ in Millions		12 Months Ended
	Nov. 03, 2023	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Business Combination [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 2,022	$ 681	$ 85
Goodwill arising from acquisitions		1,001	738
Intangible assets acquired from an acquisition		821	582
Share-based compensation expense		176	145	$ 136
CSG
Business Combination [Line Items]
Goodwill arising from acquisitions		724	181
EISG
Business Combination [Line Items]
Goodwill arising from acquisitions		277	557
ESI Group SA
Business Combination [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	$ 477
Goodwill arising from acquisitions	$ 603
Business Combination, Integration-Related Cost, Expense		$ 39
Share-based compensation expense			$ 10
Developed Technology | ESI Group SA
Business Combination [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years
Customer Relationships | ESI Group SA
Business Combination [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years
Backlog | ESI Group SA
Business Combination [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 years