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REVENUE REVENUE - Contract Balances (Details) - USD ($) $ in Millions		12 Months Ended
	Nov. 01, 2018	Oct. 31, 2019
Revenue, Remaining Performance Obligation, Amount		$ 207
Contract with Customer, Asset, after Allowance for Credit Loss	$ 57	110
Contract Liability ending balance as of October 31, 2018	367	367
Increase (Decrease) in Contract with Customer, Liability		303
Contract with Customer, Liability, Revenue Recognized		(287)
Increase (Decrease) in Deferred Revenue and Customer Advances and Deposits		5
Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination		9
Translation Adjustment Functional to Reporting Currency, Net of Tax, Period Increase (Decrease)		0
Contract Liability ending balance as of October 31, 2019		386
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Contract with Customer, Asset, after Allowance for Credit Loss		$ 53
Deferred Revenue, Period Increase (Decrease)	$ (11)

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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