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Restructuring, Impairment and Disposal Charges (Tables) | 3 Months Ended
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Jan. 31, 2021
Restructuring and Related Activities [Abstract] |
Schedule of Restructuring Reserve by Type of Cost | The following table summarizes the significant activities within, and components of, the restructuring liabilities during the fiscal quarter ended January 31, 2021:
|  | Employee Termination Costs |  | Leases and Other Exit Costs (a) |  | Total
|  | (In millions)
Balance as of November 1, 2020 |  | $ | 34 |  |  | $ | — |  |  | $ | 34 |
Restructuring charges |  | 61 |  |  | 14 |  |  | 75 |
Utilization |  | (52) |  |  | (14) |  |  | (66) |
Balance as of January 31, 2021 (b) |  | $ | 43 |  |  | $ | — |  |  | $ | 43 |
_________________________________ (a) As of January 31, 2021, $78 million of restructured lease liabilities were included in short-term and long-term lease liabilities. (b) We expect the majority of the employee termination costs balance to be paid within the next twelve months.

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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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