REVENUE - Contract Assets and Liability (Details) - USD ($) $ in Millions	6 Months Ended
Apr. 30, 2025	Apr. 30, 2024	Oct. 31, 2024
Contract Asset
Contract Assets (Unbilled Accounts Receivable)	$ 289		$ 247
Contract Liability
Contract liability ending balance as of October 31, 2024	701
Net revenue deferred in the period	432
Revenue recognized that was included in the contract liability balance at the beginning of the period	(347)	$ (350)
Change in deferrals from customer cash advances, net of revenue recognized	16
Currency Translation and Other Adjustment	8
Contract liability ending balance as of April 30, 2025	$ 810

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