Earnings per share (Details) - CAD ($) $ / shares in Units, $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Earnings per share [abstract] | ||
| Net earnings attributable to common shareholders - basic | $ 6,305 | $ 163 |
| Dividends declared per common share (in cad per share) | $ 2.31 | $ 3.99 |
| Weighted average number of common shares outstanding (in millions) | ||
| Weighted average number of common shares outstanding - basic (in shares) | 929,100,000 | 912,300,000 |
| Assumed exercise of stock options (in shares) | 0 | 0 |
| Weighted average number of common shares outstanding - diluted (in shares) | 929,100,000 | 912,300,000 |
| Shares excluded from calculation of earnings per share (in shares) | 5,503,174 | 6,545,819 |
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- Definition Antidilutive Securities Excluded From Computation Of Earnings Per Share, Amount1 No definition available.
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- Definition The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The potential dilutive effect on the weighted average number of ordinary shares that relate to the assumed exercise of the entity's share options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount, per share, of dividends recognised as distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The profit (loss) attributable to ordinary equity holders of the parent entity. [Refer: Profit (loss)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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