v3.25.4

FAIR VALUE MEASUREMENTS, Non Marketable Securities (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2026	Jan. 31, 2025
Fair Value Disclosures [Abstract]
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount	$ 0	$ 0
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount	0	1
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount	0	0
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount	42	40
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Cumulative Amount	71	31
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount	26	0
Non-marketable equity securities carrying amount	$ 55	$ 100

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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Period Type:	instant

- Definition

Amount of loss from downward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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- Definition

Amount of cumulative loss from downward price adjustment on investment in equity security without readily determinable fair value.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Amount of impairment loss on investment in equity security without readily determinable fair value.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cumulative impairment loss on investment in equity security without readily determinable fair value.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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- Definition

Amount of cumulative gain from upward price adjustment on investment in equity security without readily determinable fair value.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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- References

No definition available.

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AGILENT TECHNOLOGIES, INC. 10-Q