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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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