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REVENUE Capitalized Contractual Cost (Details) - USD ($)	6 Months Ended
	Apr. 30, 2019	Nov. 01, 2018
Capitalized Contract Cost [Line Items]
Capitalized Contract Cost, Judgment	Capitalized incremental costs are allocated to the individual performance obligations in proportion to the transaction price allocated to each performance obligation and amortized based on the pattern of performance for the underlying performance obligation. Contract costs related to initial contracts and renewals are amortized over the same period because the commissions paid on both the initial contract and renewals are commensurate with one another.
Balance at October 31, 2018	$ 0
Cost capitalized on day1 due to ASC 606 adoption		$ 29
Costs capitalized during the period	33
Costs amortized during the period	(36)
Balance at April 30, 2019	$ 26

X

- Definition

Capitalized Contract Cost, during the period

+ References

No definition available.

+ Details

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Balance Type:	debit
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X

- Definition

Cost capitalized on day1 due to ASC 606 adoption

+ References

No definition available.

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X

- Definition

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054

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Period Type:	duration

X

- Definition

Description of judgment made in determining cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131251-203054

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054

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