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REVENUE Capitalized contract costs (Tables)

12 Months Ended

Oct. 31, 2020

Revenue from Contract with Customer [Abstract]

Capitalized Contract Cost [Table Text Block]

The following table provides a roll-forward of our capitalized contract costs, current and non-current:

	Year Ended October 31,
	2020				2019
	(in millions)
Balance at beginning of period	$	28			$	—
Costs capitalized on November 1, 2018 due to ASC 606 adoption	—				29
Costs capitalized during the period	86				63
Costs amortized during the period	(83		)		(64		)
Balance at end of period	$	31			$	28

X

- Definition

Tabular disclosure of cost capitalized in obtaining or fulfilling contract with customer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054

+ Details

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Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration