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DERIVATIVES, Effect of derivative instruments on Consolidated Statement of Operations (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2023 | Apr. 30, 2022 | Apr. 30, 2023 | Apr. 30, 2022
Derivative |  |  |  |
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales | $ (4) | $ 5 | $ 2 | $ 8
Interest Expense |  |  |  |
Derivative |  |  |  |
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales | (1) | 0 | (1) | 0
Cost of Products and Services |  |  |  |
Derivative |  |  |  |
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales | (3) | 5 | 3 | 8
Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Foreign Exchange Contracts |  |  |  |
Derivative |  |  |  |
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales | $ (4) | $ 5 | $ 2 | $ 8
Gain (Loss) Reclassified from AOCI into cost of sales [Extensible Enumeration] | Cost of revenue | Cost of revenue | Cost of revenue | Cost of revenue
Gain (loss) recognized | $ 1 | $ 0 | $ 3 | $ 0
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Cost of revenue | Cost of revenue | Cost of revenue | Cost of revenue
Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Foreign Exchange Contracts | Accumulated Other Comprehensive Income (Loss) |  |  |  |
Derivative |  |  |  |
Gain (loss) recognized in accumulated other comprehensive loss | $ 11 | $ 21 | $ (20) | $ 29
Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member] | Foreign Exchange Contracts | Accumulated Other Comprehensive Income (Loss) |  |  |  |
Derivative |  |  |  |
Gain (loss) recognized in accumulated other comprehensive loss - translation adjustment | 0 | 1 | (1) | 4
Derivatives Not Designated as Hedging Instruments |  |  |  |
Derivative |  |  |  |
Gain (loss) recognized | $ 7 | $ 2 | $ (6) | $ (1)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other income (expense), net | Other income (expense), net | Other income (expense), net | Other income (expense), net

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from effective portion of derivative instrument reclassified from accumulated other comprehensive income (AOCI) into income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624177-113959 + Details
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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624177-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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- Definition Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 20 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=121577181&loc=SL110061190-113977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e637-108580 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669646-108580 + Details
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