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REVENUE - Contract Balances (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Contract with Customer, Asset, after Allowance for Credit Loss	$ 197	$ 153
Contract Liability ending balance	446	386
Increase (Decrease) in Contract with Customer, Liability	406	347
Contract with Customer, Liability, Revenue Recognized	(359)	(300)
Contract with Customer, Refund Liability	24	9
Translation Adjustment Functional to Reporting Currency, Net of Tax, Period Increase (Decrease)	2	4
Contract Liability ending balance	519	$ 446
Revenue, Remaining Performance Obligation, Amount	$ 299

X

- Definition

The increase (decrease) during the reporting period in the amount of prepayments by customers for goods and services to be provided at a later date net of revenue recognized.

+ References

No definition available.

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X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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X

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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X

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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X

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-Paragraph 13
-Subparagraph (a)
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X

- Definition

Amount of increase (decrease) in cumulative translation adjustment, after tax, from translating foreign currency financial statements into the reporting currency.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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