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v3.25.3

Common and preferred shares and other equity instruments - Summary of Outstanding Shares and Dividends Paid (Detail) $ / shares in Units, $ in Millions | 12 Months Ended |
--- | --- | ---
Oct. 31, 2025 CAD ($) $ / shares shares | Oct. 31, 2025 CAD ($) $ / shares shares | Oct. 31, 2024 CAD ($) $ / shares shares | Oct. 31, 2024 CAD ($) $ / shares shares | Oct. 31, 2023 CAD ($) shares
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends and distributions paid per share | $ / shares | $ 3.88 |  | $ 3.6 |  |
Amount | $ 64,413 | $ 64,413 | $ 59,007 | $ 59,007 |
Non cumulative Series 39 class A preferred shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends and distributions paid |  |  | $ 11 |  |
Dividends and distributions paid per share | $ / shares |  |  | $ 0.7 |  |
Non cumulative Series 41 class A preferred shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Number of shares | shares |  |  | 12,000,000 | 12,000,000 |
Amount |  |  | $ 300 | $ 300 |
Dividends and distributions paid | $ 3 |  | $ 12 |  |
Dividends and distributions paid per share | $ / shares | $ 0.24 |  | $ 0.98 |  |
Non cumulative Series 43 class A preferred shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Number of shares | shares |  |  | 12,000,000 | 12,000,000 |
Amount |  |  | $ 300 | $ 300 |
Dividends and distributions paid | $ 7 |  | $ 9 |  |
Dividends and distributions paid per share | $ / shares | $ 0.59 |  | $ 0.79 |  |
Non cumulative Series 47 class A preferred shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Number of shares | shares | 18,000,000 | 18,000,000 | 18,000,000 | 18,000,000 |
Amount | $ 450 | $ 450 | $ 450 | $ 450 |
Dividends and distributions paid | $ 26 |  | $ 27 |  |
Dividends and distributions paid per share | $ / shares | $ 1.47 |  | $ 1.47 |  |
Common shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Number of shares | shares | 926,610,598 | 926,610,598 | 942,285,419 | 942,285,419 |
Amount | $ 16,842 | $ 16,842 | $ 17,009 | $ 17,009 |
Dividends and distributions paid | $ 3,629 |  | $ 3,382 |  |
Dividends and distributions paid per share | $ / shares | $ 3.88 |  | $ 3.6 |  |
Number of shares | shares | 926,614,036 | 926,614,036 | 942,294,598 | 942,294,598 | 931,098,941
Amount | $ 16,845 | $ 16,845 | $ 17,011 | $ 17,011 | $ 16,082
Preference shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Amount | 1,700 | 1,700 | 2,150 | 2,150 |
Dividends and distributions paid | 123 |  | 143 |  |
Amount | $ 6,369 | $ 6,369 | 4,946 | $ 4,946 | $ 4,925
Non cumulative Series 49 class A preferred shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends and distributions paid |  |  | $ 8 |  |
Dividends and distributions paid per share | $ / shares |  |  | $ 0.65 |  |
Non cumulative Series 51 class A preferred shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends and distributions paid |  |  | $ 10 |  |
Dividends and distributions paid per share | $ / shares |  |  | $ 0.97 |  |
Non cumulative Series 56 class A preferred shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Number of shares | shares | 600,000 | 600,000 | 600,000 | 600,000 |
Amount | $ 600 | $ 600 | $ 600 | $ 600 |
Dividends and distributions paid | $ 44 |  | $ 44 |  |
Dividends and distributions paid per share | $ / shares | $ 73.65 |  | $ 73.65 |  |
Non cumulative Series 57 class A preferred shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Number of shares | shares | 500,000 | 500,000 | 500,000 | 500,000 |
Amount | $ 500 | $ 500 | $ 500 | $ 500 |
Dividends and distributions paid | $ 37 |  | $ 22 |  |
Dividends and distributions paid per share | (per share) | $ 73.37 |  |  | $ 42.92 |
Non cumulative Series 61 class A preferred shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Number of shares | shares | 150,000 | 150,000 |  |  |
Amount | $ 150 | $ 150 |  |  |
Dividends and distributions paid | $ 6 |  |  |  |
Dividends and distributions paid per share | $ / shares |  | $ 37.95 |  |  |
Treasury shares [member] | Common shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Number of shares | shares | 3,438 | 3,438 | 9,179 | 9,179 |
Amount | $ 3 | $ 3 | $ 2 | $ 2 |
Treasury shares [member] | Preference shares [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Number of shares | shares | (1,223) | (1,223) | (3,778) | (3,778) |
Amount | $ (1) | $ (1) | $ (4) | $ (4) |
Other equity Instruments [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends and distributions paid | 241 |  | 120 |  |
Amount | 4,670 | $ 4,670 | 2,800 | $ 2,800 |
Other equity Instruments [member] | 4.375% Limited Recourse Capital Notes Series One [member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends and distributions paid | $ 30 |  | $ 33 |  |
Annual interest rate percentage | 4.375% | 4.375% | 4.375% | 4.375% |
Amount |  |  | $ 750 | $ 750 |
Other equity Instruments [member] | 4.000% Limited Recourse Capital Notes Series Two [Member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends and distributions paid | $ 30 |  | $ 30 |  |
Annual interest rate percentage | 4.00% | 4.00% | 4.00% | 4.00% |
Amount | $ 750 | $ 750 | $ 750 | $ 750 |
Other equity Instruments [member] | 7.150% Limited Recourse Capital Notes Series Three [Member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends and distributions paid | $ 57 |  | $ 57 |  |
Annual interest rate percentage | 7.15% | 7.15% | 7.15% | 7.15% |
Amount | $ 800 | $ 800 | $ 800 | $ 800 |
Other equity Instruments [member] | 6.987% Limited Recourse Capital Notes Series Four [Member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends and distributions paid | $ 38 |  |  |  |
Annual interest rate percentage | 6.987% | 6.987% | 6.987% | 6.987% |
Amount | $ 500 | $ 500 | $ 500 | $ 500 |
Other equity Instruments [member] | 6.950% Limited Recourse Capital Notes Series Five [Member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends and distributions paid | $ 48 |  |  |  |
Annual interest rate percentage | 6.95% | 6.95% |  |  |
Amount | $ 693 | $ 693 |  |  |
Other equity Instruments [member] | 6.369% Limited Recourse Capital Notes Series Six [Member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends and distributions paid | $ 17 |  |  |  |
Annual interest rate percentage | 6.369% | 6.369% |  |  |
Amount | $ 450 | $ 450 |  |  |
Other equity Instruments [member] | 7.000% Limited Recourse Capital Notes Series Seven [Member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Dividends and distributions paid | $ 21 |  |  |  |
Annual interest rate percentage | 7.00% | 7.00% |  |  |
Amount | $ 1,027 | $ 1,027 |  |  |
Other equity Instruments [member] | 6.369% Limited Recourse Capital Notes Series Eight [Member] |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Annual interest rate percentage | 5.898% | 5.898% |  |  |
Amount | $ 450 | $ 450 |  |  |

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