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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Oct. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS
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)
2019 |  |  |  |  |  |  |  |
Tax valuation allowance |  | $ | 79 |  |  | $ | 2 |  |  | $ | (8 | ) |  | $ | 73 |
2018 |  |  |  |  |  |  |  |
Tax valuation allowance |  | $ | 63 |  |  | $ | 18 |  |  | $ | (2 | ) |  | $ | 79 |
2017 |  |  |  |  |  |  |  |
Tax valuation allowance |  | $ | 38 |  |  | $ | 31 |  |  | $ | (6 | ) |  | $ | 63 |
* Additions include current-year additions charged to expense and current-year build due to increases in net deferred tax assets, return to provision true-ups, other adjustments and Other Comprehensive Income ("OCI") impact to deferred taxes. ** Deductions include current-year releases credited to expense 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 valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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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