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Earnings per share (Tables) | 6 Months Ended
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Apr. 30, 2025
Text Block [Abstract] |
Summary of Earnings Per Share |
|  | For the three months ended |  |  |  |  |  | For the six months ended |
$ millions, except number of shares and per share amounts |  | 2025 Apr. 30 |  |  | 2025 Jan. 31 |  |  | 2024 Apr. 30 |  |  |  |  |  | 2025 Apr. 30 |  |  | 2024 Apr. 30 |
Basic earnings per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to equity shareholders |  | $ | 1,998 |  |  | $ | 2,163 |  |  | $ | 1,739 |  |  |  |  |  |  | $ | 4,161 |  |  | $ | 3,455 |
Less: Preferred share dividends and distributions on other equity instruments |  |  | 78 |  |  |  | 88 |  |  |  | 61 |  |  |  |  |  |  |  | 166 |  |  |  | 128 |
Net income attributable to common shareholders |  | $ | 1,920 |  |  | $ | 2,075 |  |  | $ | 1,678 |  |  |  |  |  |  | $ | 3,995 |  |  | $ | 3,327 |
Weighted-average common shares outstanding (thousands) |  |  | 938,495 |  |  |  | 942,039 |  |  |  | 937,849 |  |  |  |  |  |  |  | 940,297 |  |  |  | 934,779 |
Basic earnings per share |  | $ | 2.05 |  |  | $ | 2.20 |  |  | $ | 1.79 |  |  |  |  |  |  | $ | 4.25 |  |  | $ | 3.56 |
Diluted earnings per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to common shareholders |  | $ | 1,920 |  |  | $ | 2,075 |  |  | $ | 1,678 |  |  |  |  |  |  | $ | 3,995 |  |  | $ | 3,327 |
Weighted-average common shares outstanding (thousands) |  |  | 938,495 |  |  |  | 942,039 |  |  |  | 937,849 |  |  |  |  |  |  |  | 940,297 |  |  |  | 934,779 |
Add: Stock options potentially exercisable (1) (thousands) |  |  | 4,253 |  |  |  | 5,306 |  |  |  | 1,964 |  |  |  |  |  |  |  | 4,796 |  |  |  | 1,201 |
Weighted-average diluted common shares outstanding (thousands) |  |  | 942,748 |  |  |  | 947,345 |  |  |  | 939,813 |  |  |  |  |  |  |  | 945,093 |  |  |  | 935,980 |
Diluted earnings per share |  | $ | 2.04 |  |  | $ | 2.19 |  |  | $ | 1.79 |  |  |  |  |  |  | $ | 4.23 |  |  | $ | 3.55 |
(1) | Excludes average options outstanding of 2,422,512 (January 31, 2025: 1,615,008; April 30, 2024: 2,553,244) with a weighted-average exercise price of $94.35 (January 31, 2025: $94.35; April 30, 2024: $70.05) for the quarter ended April 30, 2025, and average options outstanding of 2,018,760 (April 30, 2024: 2,553,244) with a weighted-average price of $94.35 (April 30, 2024: $70.05) for the six months ended April 30, 2025, as the options’ exercise prices were greater than the average market price of CIBC’s common shares.

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