v3.24.3
Parent company information - Summary of Parent Company Information - Condensed Statements of Income and Comprehensive Income (Detail) - CAD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2024
Oct. 31, 2023
Parent company information [line items]    
Interest expense $ 76,998 $ 61,862
Net interest income 27,953 25,129
Non-interest income 29,391 26,335
Total revenue 57,344 51,464
Provision for credit losses 3,232 2,468
Non-interest expense 34,250 30,813
Income before income taxes 19,862 18,183
Income taxes 3,622 3,571
Net income 16,240 14,612
Other comprehensive income (loss), net of taxes 597 253
Total comprehensive income (loss) 16,837 14,865
Parent [member]    
Parent company information [line items]    
Interest and dividend income 70,603 56,495
Interest expense 57,094 44,174
Net interest income 13,509 12,321
Non-interest income 5,080 5,390
Total revenue 18,589 17,711
Provision for credit losses 2,964 2,002
Non-interest expense 13,543 11,780
Income before income taxes 2,082 3,929
Income taxes 1,031 1,874
Net income before equity in undistributed income of subsidiaries 1,051 2,055
Equity in undistributed income of subsidiaries 15,179 12,550
Net income 16,230 14,605
Other comprehensive income (loss), net of taxes 597 251
Total comprehensive income (loss) $ 16,827 $ 14,856