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Defined Benefit Obligation and Other Long-Term Liabilities - Components of Defined Benefit Obligations and Other Long-term Liabilities (Details) - CAD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Subclassifications of assets, liabilities and equities [abstract] |  |
Defined benefit obligation | $ 146 | $ 155
Retail power contract liability | 45 | 83
Other | 11 | 13
Total | $ 202 | $ 251

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- Definition The amount of non-current net defined benefit liability. [Refer: Net defined benefit liability] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of non-current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Non-current liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- References No definition available. + Details
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- Definition Non-current Defined Benefit Obligation And Other Long-term Liabilities + References No definition available. + Details
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- Definition Retail Power Contract Liabilities, Non-current + References No definition available. + Details
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