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Exchangeable Securities (Details) - CAD ($) $ / shares in Units, $ in Millions |  |  |  |  |  | 12 Months Ended | 25 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2021 | Oct. 30, 2020 | May 25, 2019 | May 01, 2019 | Mar. 22, 2019 | Dec. 31, 2021 | May 01, 2021 | Dec. 31, 2020
Brookfield Renewable Partners |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Proportion of ownership interests held by non-controlling interests |  |  |  |  |  |  | 9.00% |
Number of shares in entity held by entity or by its subsidiaries or associates | 35,425,696 |  |  |  |  | 35,425,696 |  |
Number of shares in entity held by entity or by its subsidiaries or associates, expressed as a percentage of issued and outstanding common shares | 13.10% |  |  |  |  | 13.10% |  |
Investment Agreement |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Consideration received |  |  |  |  | $ 7.5 |  |  |
Commitment fee |  |  |  |  | 15.0 |  |  |
Investment Agreement | Discount rate, measurement input |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Percentage of reasonably possible increase in unobservable input, liabilities | 1.00% |  |  |  |  | 1.00% |  |
Investment Agreement | Brookfield Renewable Partners |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Proceeds on sale of an organizational unit |  |  | $ 750.0 |  | $ 750.0 |  |  |
Percentage of total investment that represents transaction cost |  |  |  |  | 3.00% |  |  |
Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities |  | $ 400.0 |  | $ 350.0 |  |  |  |
Dividend payables | $ 7.0 |  |  |  |  | $ 7.0 |  |
Expected dividend as percentage, share options granted | 1.764% |  |  |  |  |  |  |
Investment Agreement | Brookfield Renewable Partners | Minimum ownership interest threshold to increase ownership interest to 49% |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Proportion of ownership interests held by non-controlling interests |  |  |  |  |  | 8.50% |  |
Investment Agreement | Brookfield Renewable Partners | Hydro | Ownership interest, less than, threshold which triggers one time option to increase ownership interest |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  |  |  |  | 49.00% |  |
Investment Agreement | Brookfield Renewable Partners | 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 held by non-controlling interests allowed to be acquired |  |  |  |  |  | 10.00% |  |
Investment Agreement | Brookfield Renewable Partners | 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% |  |
Investment Agreement | Brookfield Renewable Partners | Hydro | Ownership interest threshold if exceeded requires redemption price in cash |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  |  |  |  | 49.00% |  |
Investment Agreement | Brookfield Renewable Partners | Hydro | Minimum | 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] |  |  |  |  |  |  |  |
Weighted average share price |  |  |  |  |  | $ 14 |  |
Investment Agreement | Brookfield Renewable Partners | Hydro | Maximum |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  |  |  |  | 49.00% |  |
Investment Agreement | Brookfield Renewable Partners | Hydro | Maximum | 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 |  |  |  |  |  | $ 17 |  |
7% Unsecured Subordinated Debentures Due May 1, 2039 |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Interest rate | 7.00% |  |  | 7.00% |  | 7.00% |  | 7.00%

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