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Per Share Amounts - Common Share Dividends (Details) - CAD ($) $ / shares in Units, $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Earnings per share [abstract] |  |
Dividends paid (in CAD per share) | $ 0.680 | $ 0.525
Dividends paid on common shares | $ 1,255 | $ 990
Variable dividends declared (in CAD per share) | $ 0.135 | $ 0
Variable Dividends Declared on Common Shares | $ 251 | $ 0
Total common share dividends paid (in CAD per share) | $ 0.815 | $ 0.525
Total dividends paid on common shares | $ 1,506 | $ 990

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- Definition The amount of dividends recognised as distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 107 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_107&doctype=Standard -URIDate 2024-03-27 + Details
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