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Restructuring, Impairment and Disposal Charges (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Aug. 01, 2021		Aug. 02, 2020	Aug. 01, 2021		Aug. 02, 2020	Nov. 01, 2020
Restructuring and Related Activities [Abstract]
Write-down of restructured lease-related right-of-use assets and other lease-related charges				$ 24
Restructured lease liability	$ 69			69
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	6			6			$ 34
Restructuring charges	25		$ 64	123		$ 173
Utilization of restructuring reserve				(127)
Symantec [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges						151
CA Technologies, Inc.
Restructuring Cost and Reserve [Line Items]
Restructuring charges						$ 22
Symantec and CA Technologies, Inc.
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 64
Employee Termination Costs
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	6	[1]		6	[1]		34
Restructuring charges				89
Utilization of restructuring reserve				(117)
Other Exit Costs
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 0			0			$ 0
Restructuring charges				10
Utilization of restructuring reserve				(10)
Employee Termination and Other Exit Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges				$ 99
[1] (a) We expect the majority of the employee termination costs balance to be paid within the next three months.

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- Definition

Restructured Lease Liability

+ References

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- Definition

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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

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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.

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