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IFRS 7 Disclosure (Schedule of BRR Scale Aligned to External Ratings) (Details) - Credit risk [member]
 12 Months Ended
Oct. 31, 2025
Investment grade [member] | Rating category 0 to 1C [member]  
Disclosure of credit risk exposure [line items]  
Standard and Poor's AAA to AA-
Moody's Investor Services Aaa to Aa3
Investment grade [member] | Rating category 2A to 2C [member]  
Disclosure of credit risk exposure [line items]  
Standard and Poor's A+ to A-
Moody's Investor Services A1 to A3
Investment grade [member] | Rating category 3A to 3C [member]  
Disclosure of credit risk exposure [line items]  
Standard and Poor's BBB+ to BBB-
Moody's Investor Services Baa1 to Baa3
Non investment grade [member] | Rating category 5A to 5C [member]  
Disclosure of credit risk exposure [line items]  
Standard and Poor's B+ to B-
Moody's Investor Services B1 to B3
Non investment grade [member] | Rating category 4A to 4C [member]  
Disclosure of credit risk exposure [line items]  
Standard and Poor's BB+ to BB-
Moody's Investor Services Ba1 to Ba3
Watch and classified [member] | Rating category 6 to 8 [member]  
Disclosure of credit risk exposure [line items]  
Standard and Poor's CCC+ to CC and below
Moody's Investor Services Caa1 to Ca and below
Impaired/default [member] | Rating category 9A to 9B [member]  
Disclosure of credit risk exposure [line items]  
Standard and Poor's Default
Moody's Investor Services Default