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Material Accounting Policies - Remaining Useful Lives Of Asset Class (Details) | 12 Months Ended
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Dec. 31, 2023
Hydro generation | Minimum |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful life measured as period of time, property, plant and equipment | 1 year
Hydro generation | Maximum |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful life measured as period of time, property, plant and equipment | 49 years
Wind and Solar generation | Minimum |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful life measured as period of time, property, plant and equipment | 1 year
Wind and Solar generation | Maximum |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful life measured as period of time, property, plant and equipment | 30 years
Gas generation | Minimum |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful life measured as period of time, property, plant and equipment | 1 year
Gas generation | Maximum |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful life measured as period of time, property, plant and equipment | 34 years
Energy Transition | Minimum |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful life measured as period of time, property, plant and equipment | 1 year
Energy Transition | Maximum |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful life measured as period of time, property, plant and equipment | 9 years
Capital spares and other | Minimum |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful life measured as period of time, property, plant and equipment | 1 year
Capital spares and other | Maximum |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful life measured as period of time, property, plant and equipment | 49 years

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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 useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2023-01-01 -Paragraph 73 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_c&doctype=Standard -URIDate 2023-03-23 + Details
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