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STOCKHOLDERS' EQUITY (Issuance of Common Stock) (Details) - USD ($) shares in Millions, $ in Millions	1 Months Ended	12 Months Ended
	Mar. 31, 2017	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Statement of Stockholders' Equity [Abstract]
Stock Issued During Period, Shares, New Issues	13
Issuance of common stock under public offering		$ 0	$ 0	$ 444

X

- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
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- References

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- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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