v3.25.3

Taxes on Earnings - Deferred Tax Asset Valuation Allowance (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Oct. 31, 2025 | Oct. 31, 2024 | Oct. 31, 2023 | Oct. 31, 2022
Valuation Allowance [Line Items] |  |  |  |
Valuation allowance for deferred tax assets | $ 6,479 | $ 6,688 | $ 6,994 | $ 7,592
Deferred tax asset valuation allowance |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
Valuation allowance for deferred tax assets | 6,500 | 6,700 | 7,000 |
Decrease in valuation allowances | $ 209 | $ 306 | $ 598 |

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Details
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