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Asset Impairment Charges (Reversals) - Disclosure of Fair Value Less Cost of Disposal (Details) | Dec. 31, 2023 | Dec. 31, 2022
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Canada | Wind and Solar | Contract Discount Rate |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Current year contract and merchant discount rates | 6.40% |
Prior period contract and merchant discount rates |  | 6.40%
Canada | Wind and Solar | Merchant Discount Rate |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Current year contract and merchant discount rates | 7.00% |
Prior period contract and merchant discount rates |  | 7.10%
Canada | Hydro | Contract Discount Rate |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Current year contract and merchant discount rates | 6.10% |
Prior period contract and merchant discount rates |  | 5.90%
Canada | Hydro | Merchant Discount Rate |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Current year contract and merchant discount rates | 6.40% |
Prior period contract and merchant discount rates |  | 6.40%
US | Wind and Solar | Contract Discount Rate |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Current year contract and merchant discount rates | 6.90% |
Prior period contract and merchant discount rates |  | 6.50%
US | Wind and Solar | Merchant Discount Rate |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Current year contract and merchant discount rates | 7.50% |
Prior period contract and merchant discount rates |  | 7.70%

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- Definition The discount rate used in the current measurement of fair value less costs of disposal. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 130 -Subparagraph f -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_130_f_iii&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The discount rate used in the previous measurement of fair value less costs of disposal. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 130 -Subparagraph f -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_130_f_iii&doctype=Standard -URIDate 2023-03-23 + Details
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