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SHARE-BASED COMPENSATION SHARE-BASED COMPENSATION (Textuals) (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Share-based Payment Arrangement [Abstract]
Share-based Compensation, Capitalized Amount	$ 2	$ 1
Options, Grants in Period	0	0

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- References

No definition available.

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- Definition

Amount of cost capitalized for award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Gross number of share options (or share units) granted during the period.

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