Consolidated statement of income (Parenthetical) - CAD ($) $ in Billions	3 Months Ended
Jan. 31, 2022	Oct. 31, 2021	Jan. 31, 2021
Profit or loss [abstract]
Interest income calculated based on effective interest method	$ 3.5	$ 3.4	$ 3.4

The amount of interest revenue calculated using the effective interest method. Effective interest method is the method that is used in the calculation of the amortised cost of a financial asset or a financial liability and in the allocation and recognition of the interest revenue or interest expense in profit or loss over the relevant period. [Refer: Revenue]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2021-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2023-01-01
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 82
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