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Share-based payments - Outstanding RSUs/PSUs Activity (Details) - RSUs and PSUs	12 Months Ended
	Dec. 31, 2024 CAD ($) shares	Dec. 31, 2023 CAD ($) shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Beginning balance, outstanding (in shares)	3,412,812	3,124,187
Granted (in shares)	1,236,690	1,125,502
Dividends credited (in shares)	284,530	213,427
Settled (in shares)	(1,296,656)	(957,402)
Forfeited (in shares)	(58,476)	(92,902)
Ending balance, outstanding (in shares)	3,578,900	3,412,812
Vested (in shares)	1,090,574	1,225,815
Weighted average fair value at measurement date, other equity instruments granted | $	$ 50	$ 61

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- Definition

Number Of Other Equity Instruments Settled In Share-Based Payment Arrangement

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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- Definition

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2024-03-27

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-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard
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The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement.

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-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard
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The weighted average fair value at the measurement date of granted equity instruments other than share options. [Refer: Weighted average [member]]

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-IssueDate 2024-01-01
-Paragraph 47
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