GOODWILL AND OTHER INTANGIBLE ASSETS (Intangible assets narratives) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2026	Apr. 30, 2025
Intangible Asset, Goodwill and Other [Abstract]
Finite Lived Intangible Assets, Foreign Currency Translation Gain (Loss)			$ 8
Intangible Asset, Finite-Lived, Amortization Expense	$ 66	$ 32	$ 131	$ 64

Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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+ Details