REVENUE - Contract Assets and Liability (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Oct. 31, 2021
Contract Asset
Contract Assets (Unbilled Accounts Receivable)	$ 207		$ 197
Contract Liability
Contract liability ending balance as of October 31, 2021	519
Net revenue deferred in the period	220
Revenue recognized that was included in the contract liability balance at the beginning of the period	(191)	$ (186)
Change in deferrals from customer cash advances, net of revenue recognized	34
Currency Translation and Other Adjustment	(6)
Contract liability ending balance as of January 31, 2022	$ 576