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SHARE-BASED COMPENSATION Allocated Share-based compensation expense (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Jul. 31, 2023 | Jul. 31, 2022 | Jul. 31, 2023 | Jul. 31, 2022
Employee Service Share-based Compensation, Allocation of Recognized Period Costs |  |  |  |
Share-based compensation expense | $ 29 | $ 28 | $ 98 | $ 100
Cost of Products and Services |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs |  |  |  |
Share-based compensation expense | 8 | 7 | 28 | 24
Research and Development |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs |  |  |  |
Share-based compensation expense | 5 | 3 | 13 | 11
Selling, General and Administrative |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs |  |  |  |
Share-based compensation expense | $ 16 | $ 18 | $ 57 | $ 65

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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