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Risk Management Activities - Maturity Analysis of Financial Liabilities (Details) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | $ 16 | $ 0
Accounts payable and accrued liabilities | 1,346 | 689
Principal repayments | 3,653 | 3,267
Exchangeable securities | 739 | 735
Dividends payable | 68 | 62
Other |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 1 | $ 4
2023 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Lease incentive | 12 |
Cost |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 16 |
Accounts payable and accrued liabilities | 1,346 |
Principal repayments | 3,563 |
Exchangeable securities | 750 |
Other risk management (assets) liabilities | (6) |
Lease liabilities | 135 |
Interest expense on borrowings | 1,707 |
Dividends payable | 68 |
Total | 8,291 |
Cost | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 433 |
Cost | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 251 |
Cost | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 949 |
Cost | Non-recourse — Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 45 |
Cost | Non-recourse — Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 698 |
Cost | Non-recourse — Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 1,057 |
Cost | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 129 |
Cost | Other |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 1 |
Cost | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 114 |
Cost | Commodity risk management (assets) liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management (assets) liabilities | 586 |
Cost | 2023 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 16 |
Accounts payable and accrued liabilities | 1,346 |
Principal repayments | 170 |
Exchangeable securities | 0 |
Other risk management (assets) liabilities | (7) |
Lease liabilities | (7) |
Interest expense on borrowings | 205 |
Dividends payable | 68 |
Total | 2,272 |
Cost | 2023 | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2023 | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2023 | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2023 | Non-recourse — Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 45 |
Cost | 2023 | Non-recourse — Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 63 |
Cost | 2023 | Non-recourse — Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 45 |
Cost | 2023 | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 16 |
Cost | 2023 | Other |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 1 |
Cost | 2023 | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 52 |
Cost | 2023 | Commodity risk management (assets) liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management (assets) liabilities | 415 |
Cost | 2024 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 0 |
Accounts payable and accrued liabilities | 0 |
Principal repayments | 527 |
Exchangeable securities | 0 |
Other risk management (assets) liabilities | 1 |
Lease liabilities | 4 |
Interest expense on borrowings | 192 |
Dividends payable | 0 |
Total | 966 |
Cost | 2024 | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 400 |
Cost | 2024 | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2024 | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2024 | Non-recourse — Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2024 | Non-recourse — Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 66 |
Cost | 2024 | Non-recourse — Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 46 |
Cost | 2024 | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 15 |
Cost | 2024 | Other |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2024 | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 62 |
Cost | 2024 | Commodity risk management (assets) liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management (assets) liabilities | 182 |
Cost | 2025 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 0 |
Accounts payable and accrued liabilities | 0 |
Principal repayments | 142 |
Exchangeable securities | 750 |
Other risk management (assets) liabilities | (1) |
Lease liabilities | 4 |
Interest expense on borrowings | 166 |
Dividends payable | 0 |
Total | 1,021 |
Cost | 2025 | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2025 | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2025 | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2025 | Non-recourse — Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2025 | Non-recourse — Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 69 |
Cost | 2025 | Non-recourse — Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 58 |
Cost | 2025 | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 15 |
Cost | 2025 | Other |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2025 | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 0 |
Cost | 2025 | Commodity risk management (assets) liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management (assets) liabilities | (42) |
Cost | 2026 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 0 |
Accounts payable and accrued liabilities | 0 |
Principal repayments | 177 |
Exchangeable securities | 0 |
Other risk management (assets) liabilities | 0 |
Lease liabilities | 3 |
Interest expense on borrowings | 158 |
Dividends payable | 0 |
Total | 353 |
Cost | 2026 | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 33 |
Cost | 2026 | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2026 | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2026 | Non-recourse — Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2026 | Non-recourse — Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 67 |
Cost | 2026 | Non-recourse — Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 61 |
Cost | 2026 | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 16 |
Cost | 2026 | Other |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2026 | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 0 |
Cost | 2026 | Commodity risk management (assets) liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management (assets) liabilities | 15 |
Cost | 2027 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 0 |
Accounts payable and accrued liabilities | 0 |
Principal repayments | 154 |
Exchangeable securities | 0 |
Other risk management (assets) liabilities | 0 |
Lease liabilities | 4 |
Interest expense on borrowings | 150 |
Dividends payable | 0 |
Total | 316 |
Cost | 2027 | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2027 | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2027 | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2027 | Non-recourse — Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2027 | Non-recourse — Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 70 |
Cost | 2027 | Non-recourse — Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 65 |
Cost | 2027 | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 19 |
Cost | 2027 | Other |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2027 | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 0 |
Cost | 2027 | Commodity risk management (assets) liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management (assets) liabilities | 8 |
Cost | 2028 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 0 |
Accounts payable and accrued liabilities | 0 |
Principal repayments | 2,393 |
Exchangeable securities | 0 |
Other risk management (assets) liabilities | 1 |
Lease liabilities | 127 |
Interest expense on borrowings | 836 |
Dividends payable | 0 |
Total | 3,363 |
Cost | 2028 | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2028 | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 251 |
Cost | 2028 | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 949 |
Cost | 2028 | Non-recourse — Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2028 | Non-recourse — Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 363 |
Cost | 2028 | Non-recourse — Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 782 |
Cost | 2028 | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 48 |
Cost | 2028 | Other |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2028 | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 0 |
Cost | 2028 | Commodity risk management (assets) liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management (assets) liabilities | $ 8 |

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