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Related Party Transactions - Disclosure of Transactions with Associates (Details) - Associates - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of transactions between related parties [line items] |  |  |
Power sales | $ 127 | $ 27 | $ 10
Purchased power | 12 | 3 | 3
Asset management fees paid | $ 2 | $ 2 | $ 1

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- Definition 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. + References No definition available. + Details
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- Definition The cash outflow for the purchase of biological assets. [Refer: Biological assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_16&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of revenue arising from the sale of goods in related party transactions. [Refer: Revenue; Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2022-03-24 -Paragraph 21 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_21_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Asset Management Fees + References No definition available. + Details
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- Details
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