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Exchangeable Securities - Narrative (Details) - CAD ($) $ / shares in Units, $ in Millions |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 09, 2024 | Mar. 22, 2019 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Dividend declared |  |  |  |  | $ 25
Brookfield Renewable Partners | Investment Agreement |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Proceeds from sales of investments accounted for using equity method |  | $ 750 |  |  |
Dividend declared | $ 7 |  |  |  |
Fixed rate | 1.76% |  |  |  |
Ownership interest in fair value sensitivity range |  |  | 10.50% | 11.80% |
Brookfield Renewable Partners | Investment Agreement | Minimum ownership interest threshold |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Ownership interests |  |  | 8.50% |  |
Brookfield Renewable Partners | Investment Agreement | Hydro | Ownership interest, less than, threshold |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  | 49.00% |  |
Brookfield Renewable Partners | Investment Agreement | Hydro | Top up option for ownership interest percentage, 20 day VWAP is not less than $14 per share |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Additional proportion of ownership interests |  |  | 10.00% |  |
Brookfield Renewable Partners | Investment Agreement | Hydro | Top Up Option For Ownership Interest Percentage, 20 day VWAP is not less than $17 per share |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  | 49.00% |  |
Brookfield Renewable Partners | Investment Agreement | Hydro | Ownership interest threshold exceeded |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  | 49.00% |  |
Brookfield Renewable Partners | Investment Agreement | Maximum | Hydro |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  | 49.00% |  |
Brookfield Renewable Partners | Investment Agreement | Maximum | Hydro | Top Up Option For Ownership Interest Percentage, 20 day VWAP is not less than $17 per share |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Weighted average share price (in CAD per shares) |  |  | $ 17 |  |
Brookfield Renewable Partners | Investment Agreement | Minimum | Hydro | Top Up Option For Ownership Interest Percentage, 20 day VWAP is not less than $17 per share |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Weighted average share price (in CAD per shares) |  |  | $ 14 |  |

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