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INCOME TAXES INCOME TAXES (Tax incentives) (Details) - USD ($) $ in Millions | 3 Months Ended
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Jan. 31, 2024 | Jan. 31, 2023
Income Tax Disclosure [Abstract] |  |
Tax incentives, Description | Keysight benefits from tax incentives in several jurisdictions, most significantly in Singapore and Malaysia, that will expire at various times in the future. The tax incentives provide lower rates of taxation on certain classes of income and require thresholds of investments and employment in those jurisdictions. |
Decrease in income tax provision due to tax incentives, Aggregate Dollar Amount | $ 13 | $ 25

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- Definition The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-2 + Details
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- Definition A description of the factual circumstances giving rise to an income tax exemption or special reduction received from a taxing jurisdiction. + References No definition available. + Details
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