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Restructuring, Impairment and Disposal Charges (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2022	Aug. 01, 2021	Jul. 31, 2022	Aug. 01, 2021	Oct. 31, 2021
Restructuring and Related Activities [Abstract]
Write-down of restructured lease-related right-of-use assets and other lease-related charges			$ 16
Restructured lease liability	$ 56		56
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	2		2		$ 4
Restructuring charges		$ 25	21	$ 123
Utilization of restructuring reserve			(23)
FY'22 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	8		39
Employee Termination Costs
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	2		2		4
Restructuring charges			19
Utilization of restructuring reserve			(21)
Other Exit Costs
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 0		0		$ 0
Restructuring charges			2
Utilization of restructuring reserve			$ (2)

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- Definition

Restructured Lease Liability

+ References

No definition available.

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- Definition

Utilization of restructuring reserve

+ References

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- Definition

Write-down of restructured lease-related right-of-use assets and other lease-related charges

+ References

No definition available.

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- References

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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-Section S99
-Paragraph 2
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-URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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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.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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-URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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