FAIR VALUE MEASUREMENTS - Non marketable securities (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Fair Value Disclosures [Abstract]
Impairments in non-marketable securities without readily determinable fair value	$ 0	$ 0	$ 0
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount	26
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount		6	$ 17
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount	38	35
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Cumulative Amount	29	0
Equity investments - without readily determinable fair value	$ 102	$ 141

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

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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- 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

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- Definition

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

+ References

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

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