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CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2023 | Jul. 31, 2022 | Jul. 31, 2023 | Jul. 31, 2022
Other comprehensive income (loss), tax, parenthetical disclosures |  |  |  |
Unrealized gain (loss) on derivative instruments, tax expense (benefit) | $ 0 | $ 1 | $ (5) | $ 8
Amounts reclassified into earnings related to derivative instruments, tax expense (benefit) | 1 | (3) | 0 | (5)
Foreign currency translation, tax expense (benefit) | (1) | 0 | (2) | 0
Net defined benefit pension cost and post retirement plan costs, tax |  |  |  |
Change in actuarial net loss, tax expense (benefit) | 0 | 2 | 0 | 7
Change in net prior service benefit, tax | $ 0 | $ 0 | $ 0 | $ 0

X
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- Definition Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-12 + Details
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