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Per Share Amounts - Common Share Dividends (Details) - Common shares - CAD ($) $ / shares in Units, $ in Millions | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022
Earnings per share [line items] |  |
Dividends paid (in CAD per share) | $ 0.385 | $ 0.245
Dividends paid on common shares | $ 729 | $ 481
Variable dividends declared ( in CAD per share) | $ 0 | $ 0
Variable dividends paid on common shares | $ 0 | $ 0
Total common share dividends paid (in CAD per share) | $ 0.385 | $ 0.245
Total dividends paid on common shares | $ 729 | $ 481

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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 2023-01-01 -Paragraph 107 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_107&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of dividends paid per ordinary share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 34 -IssueDate 2023-01-01 -Paragraph 16A -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=34&code=ifrs-tx-2023-en-r&anchor=para_16A_f&doctype=Standard -URIDate 2023-03-23 + Details
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