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Share Capital - Stock Option Activity (Details) shares in Thousands | 12 Months Ended
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Dec. 31, 2024 shares $ / shares | Dec. 31, 2023 shares $ / shares
Share Capital, Reserves And Other Equity Interest [Abstract] |  |
Stock options outstanding - beginning of year (in shares) | shares | 52,410 | 62,300
Stock options granted (in shares) | shares | 15,906 | 14,047
Stock options exercised for common shares (in shares) | shares | (13,531) | (19,643)
Stock options surrendered for cash settlement (in shares) | shares | (384) | (435)
Stock options forfeited (in shares) | shares | (3,595) | (3,859)
Stock options outstanding - end of year (in shares) | shares | 50,806 | 52,410
Stock options exercisable (in shares) | shares | 10,033 | 7,344
Weighted average exercise price, options outstanding - beginning of year (in CAD per share) | $ / shares | $ 26.80 | $ 21.19
Weighted average exercise price, options granted (in CAD per share) | $ / shares | 44.82 | 40.09
Weighted average exercise price, options exercised (in CAD per share) | $ / shares | 20.69 | 18.92
Weighted average exercise price, options surrendered for cash settlement (in CAD per share) | $ / shares | 22.19 | 19.39
Weighted average exercise price, options forfeited (in CAD per share) | $ / shares | 29.69 | 25.43
Weighted average exercise price, options outstanding - beginning of year (in CAD per share) | $ / shares | 33.90 | 26.80
Weighted average exercise price, options exercisable (in CAD per share) | $ / shares | $ 26.67 | $ 21.07

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- Definition The number of share options outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2024-01-01 -Paragraph 45 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_d&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2024-01-01 -Paragraph 45 -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_b_i&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2024-01-01 -Paragraph 45 -Subparagraph b -Clause vi -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_b_vi&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The number of share options forfeited in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2024-01-01 -Paragraph 45 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_b_iii&doctype=Standard -URIDate 2024-03-27 + Details
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