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Schedule II Valuation and Qualifying Accounts | 12 Months Ended
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Oct. 31, 2016
Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS
Column A |  | Column B |  | Column C |  | Column D |  | Column E
Description |  | Balance at Beginning of Period |  | Additions Charged to Expenses or Other Accounts* |  | Deductions Credited to Expenses or Other Accounts** |  | Balance at End of Period
|  | (in millions)
2016 |  |  |  |  |  |  |  |
Tax valuation allowance |  | $ | 131 |  |  | $ | 22 |  |  | $ | (24 | ) |  | $ | 129 |
2015 |  |  |  |  |  |  |  |
Tax valuation allowance |  | $ | 134 |  |  | $ | 6 |  |  | $ | (9 | ) |  | $ | 131 |
2014 |  |  |  |  |  |  |  |
Tax valuation allowance |  | $ | 131 |  |  | $ | 3 |  |  | $ | — |  |  | $ | 134 |
* Additions include current year additions charged to expenses and current year build due to increases in net deferred tax assets, return to provision true-ups, other adjustments and OCI impact to deferred taxes. ** Deductions include current year releases credited to expenses and current year reductions due to decreases in net deferred tax assets, return to provision true-ups, other adjustments and OCI impact to deferred taxes.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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