Open tax year, from date

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- Definition

A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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- Definition

Tax year that remains open to examination under enacted tax laws, in CCYY format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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INCOME TAXES INCOME TAXES (Income tax examination) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Oct. 31, 2017	Jul. 31, 2020
Internal Revenue Service (IRS)
Income Tax Examination [Line Items]
Open tax year, from date		Nov. 01, 2015
Malaysia Tax Authority [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Description		The company was audited in Malaysia for the 2008 tax year. This tax year pre-dates our separation from Agilent. However, pursuant to the tax matters agreement between Agilent and Keysight that was finalized at the time of separation, for certain entities, including Malaysia, any historical tax liability is the responsibility of Keysight.
Income Tax Examination, Penalties and Interest Expense	$ 68
Majority of company's entities [Member] \| Foreign Tax Authority
Income Tax Examination [Line Items]
Open tax year, from date		Nov. 01, 2014
Certain foreign entities [Member]
Income Tax Examination [Line Items]
Open Tax Year		2008