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Schedule II Valuation and Qualifying Accounts (Details) - SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] - USD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2025
Oct. 31, 2024
Oct. 31, 2023
Movement in valuation and qualifying accounts [Roll Forward]      
Balance at Beginning of Period $ 113 $ 112 $ 115
Additions Charged to Expenses or Other Accounts 8 4 1
Deductions Credited to Expenses or Other Accounts (2) (3) (4)
Balance at End of Period $ 119 $ 113 $ 112