GOODWILL AND OTHER INTANGIBLE ASSETS IMPAIRMENT (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
Oct. 31, 2025 |
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| Intangible Asset, Goodwill and Other [Abstract] | |||||
| Goodwill, Impairment Loss | $ 0 | $ 0 | $ 0 | $ 0 | |
| Goodwill, Impaired, Accumulated Impairment Loss | $ 709 | 709 | $ 709 | ||
| Intangible Asset, Excluding Goodwill, Impairment Loss | $ 4 | ||||
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of accumulated impairment loss for asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of impairment loss for finite- and indefinite-lived intangible assets and capitalized cost for software to be sold, leased, or marketed. Excludes goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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