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STOCKHOLDERS' EQUITY (Tables) | 3 Months Ended
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Jan. 31, 2020
Statement of Comprehensive Income [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | Changes in accumulated other comprehensive loss by component and related tax effects for the three months ended January 31, 2020 and 2019 were as follows:
|  | Foreign currency translation |  | Net defined benefit pension cost and post retirement plan costs |  | Unrealized gains (losses) on derivatives |  | Total
|  |  | Actuarial loss |  | Prior service credit |  |
|  | (in millions)
As of October 31, 2019 |  | $ | (43 | ) |  | $ | (536 | ) |  | $ | 4 |  |  | $ | (3 | ) |  | $ | (578 | )
Other comprehensive income (loss) before reclassifications |  | — |  |  | — |  |  | — |  |  | 2 |  |  | 2 |
Amounts reclassified out of accumulated other comprehensive loss |  | — |  |  | 17 |  |  | (3 | ) |  | 1 |  |  | 15 |
Tax (expense) benefit |  | — |  |  | — |  |  | 1 |  |  | (1 | ) |  | — |
Other comprehensive income (loss) |  | — |  |  | 17 |  |  | (2 | ) |  | 2 |  |  | 17 |
As of January 31, 2020 |  | $ | (43 | ) |  | $ | (519 | ) |  | $ | 2 |  |  | $ | (1 | ) |  | $ | (561 | )
As of October 31, 2018 |  | $ | (60 | ) |  | $ | (445 | ) |  | $ | 19 |  |  | $ | (2 | ) |  | $ | (488 | )
Other comprehensive income (loss) before reclassifications |  | 30 |  |  | 4 |  |  | — |  |  | (2 | ) |  | 32 |
Amounts reclassified out of accumulated other comprehensive loss |  | — |  |  | 12 |  |  | (4 | ) |  | 1 |  |  | 9 |
Tax (expense) benefit |  | — |  |  | (3 | ) |  | 1 |  |  | — |  |  | (2 | )
Other comprehensive income (loss) |  | 30 |  |  | 13 |  |  | (3 | ) |  | (1 | ) |  | 39 |
As of January 31, 2019 |  | $ | (30 | ) |  | $ | (432 | ) |  | $ | 16 |  |  | $ | (3 | ) |  | $ | (449 | )
Reclassification out of Accumulated Other Comprehensive Income | Reclassifications out of accumulated other comprehensive loss for the three months ended January 31, 2020 and 2019 were as follows:
Details about Accumulated Other Comprehensive Loss Components |  |  |  | Affected Line Item in Statement of Operations
|  | Three Months Ended |  |
|  | January 31, |  |
|  | 2020 |  | 2019 |  |
|  | (in millions) |  |
Unrealized gain (loss) on derivatives |  | $ | (1 | ) |  | $ | — |  |  | Cost of products
|  | — |  |  | (1 | ) |  | Selling, general and administrative
|  | — |  |  | — |  |  | Provision for income taxes
|  | (1 | ) |  | (1 | ) |  | Net of income tax
Net defined benefit pension cost and post retirement plan costs: |  |  |  |  |  |
Actuarial net loss |  | (17 | ) |  | (12 | ) |  |
Prior service credit |  | 3 |  |  | 4 |  |  |
|  | (14 | ) |  | (8 | ) |  | Total before income tax
|  | (1 | ) |  | 3 |  |  | Provision (benefit) for income taxes
|  | (15 | ) |  | (5 | ) |  | Net of income tax
Total reclassifications for the period |  | $ | (16 | ) |  | $ | (6 | ) |  |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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