DERIVATIVE INSTRUMENTS - Fair Value Hedges (Details) - Interest Rate Contracts (Swaps) - USD ($) $ in Millions	Jul. 31, 2022	Oct. 31, 2021	Aug. 01, 2021
Fair Value Hedges Member \| Designated as Hedging Instruments
Fair Value Hedges
Notional amount of interest rate fair value hedge derivatives	$ 8,303	$ 8,043	$ 8,658
Short-term Borrowings
Active Hedging Relationships
Carrying Amount of Hedged Item		191	189
Cumulative Fair Value Hedging Amount		3	4
Discontinued Hedging Relationships
Carrying Amount of Formerly Hedged Item	2,605	1,997	1,898
Cumulative Fair Value Hedging Amount - Discontinued	5	(2)	(1)
Long-term Borrowings
Active Hedging Relationships
Carrying Amount of Hedged Item	7,835	7,847	8,698
Cumulative Fair Value Hedging Amount	(430)	29	263
Discontinued Hedging Relationships
Carrying Amount of Formerly Hedged Item	5,728	6,287	5,831
Cumulative Fair Value Hedging Amount - Discontinued	$ 39	$ 223	$ 190

Amount of liability for former fair value hedging relationship.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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- References

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- Definition

Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk, remaining after discontinued hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4EE
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109999712-113959

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- Definition

Amount of liability hedged in fair value hedging relationship.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4EE
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109999712-113959

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- Definition

Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4EE
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109999712-113959

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- References

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