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Supplementary Financial Information - Schedule of Inventory (Details) - USD ($)
$ in Millions
Apr. 30, 2024
Oct. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Finished goods $ 3,919 $ 3,930
Purchased parts and fabricated assemblies 3,593 2,932
Inventory $ 7,512 $ 6,862