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v3.19.3.a.u2

Risk Management Activities - Maturity (Details) $ / shares in Units, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 CAD ($) MWh $ / shares $ / shares | Jan. 01, 2019 CAD ($) | Dec. 31, 2018 CAD ($)
Disclosure of financial liabilities [line items] |  |  |
Accounts payable and accrued liabilities | $ 413 |  | $ 496
Borrowings | 3,212 |  | 3,267
Exchangeable securities | 326 |  | 0
Finance lease liabilities |  | $ 32 |
Dividends payable (Note 24 and 25) | 37 |  | $ 58
Liabilities | 4,756 |  |
2020 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Liabilities | 1,061 |  |
2021 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Liabilities | 186 |  |
2022 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Liabilities | 638 |  |
2023 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Liabilities | 363 |  |
2024 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Liabilities | 85 |  |
2025 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Liabilities | 2,423 |  |
Gross carrying amount |  |  |
Disclosure of financial liabilities [line items] |  |  |
Accounts payable and accrued liabilities | 413 |  |
Borrowings | 3,104 |  |
Exchangeable securities | 350 |  |
Derivative financial liabilities | (4) |  |
Finance lease liabilities | 142 |  |
Interest income on debt instruments held | 1,283 |  |
Interest expense on borrowings | 123 |  |
Dividends payable (Note 24 and 25) | 37 |  |
Gross carrying amount | 2020 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Accounts payable and accrued liabilities | 413 |  |
Borrowings | 494 |  |
Exchangeable securities | 0 |  |
Derivative financial liabilities | 1 |  |
Finance lease liabilities | 19 |  |
Interest income on debt instruments held | 161 |  |
Interest expense on borrowings | 25 |  |
Dividends payable (Note 24 and 25) | 37 |  |
Gross carrying amount | 2021 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Accounts payable and accrued liabilities | 0 |  |
Borrowings | 98 |  |
Exchangeable securities | 0 |  |
Derivative financial liabilities | 0 |  |
Finance lease liabilities | 14 |  |
Interest income on debt instruments held | 138 |  |
Interest expense on borrowings | 25 |  |
Dividends payable (Note 24 and 25) | 0 |  |
Gross carrying amount | 2022 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Accounts payable and accrued liabilities | 0 |  |
Borrowings | 625 |  |
Exchangeable securities | 0 |  |
Derivative financial liabilities | (6) |  |
Finance lease liabilities | 9 |  |
Interest income on debt instruments held | 128 |  |
Interest expense on borrowings | 25 |  |
Dividends payable (Note 24 and 25) | 0 |  |
Gross carrying amount | 2023 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Accounts payable and accrued liabilities | 0 |  |
Borrowings | 372 |  |
Exchangeable securities | 0 |  |
Derivative financial liabilities | 2 |  |
Finance lease liabilities | 6 |  |
Interest income on debt instruments held | 98 |  |
Interest expense on borrowings | 24 |  |
Dividends payable (Note 24 and 25) | 0 |  |
Gross carrying amount | 2024 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Accounts payable and accrued liabilities | 0 |  |
Borrowings | 105 |  |
Exchangeable securities | 0 |  |
Derivative financial liabilities | 0 |  |
Finance lease liabilities | 4 |  |
Interest income on debt instruments held | 87 |  |
Interest expense on borrowings | 24 |  |
Dividends payable (Note 24 and 25) | 0 |  |
Gross carrying amount | 2025 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Accounts payable and accrued liabilities | 0 |  |
Borrowings | 1,410 |  |
Exchangeable securities | 350 |  |
Derivative financial liabilities | (1) |  |
Finance lease liabilities | 90 |  |
Interest income on debt instruments held | 671 |  |
Interest expense on borrowings | 0 |  |
Dividends payable (Note 24 and 25) | 0 |  |
Commodity risk management | Gross carrying amount |  |  |
Disclosure of financial liabilities [line items] |  |  |
Derivative financial liabilities | (692) |  |
Commodity risk management | Gross carrying amount | 2020 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Derivative financial liabilities | (89) |  |
Commodity risk management | Gross carrying amount | 2021 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Derivative financial liabilities | (89) |  |
Commodity risk management | Gross carrying amount | 2022 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Derivative financial liabilities | (143) |  |
Commodity risk management | Gross carrying amount | 2023 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Derivative financial liabilities | (139) |  |
Commodity risk management | Gross carrying amount | 2024 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Derivative financial liabilities | (135) |  |
Commodity risk management | Gross carrying amount | 2025 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Derivative financial liabilities | $ (97) |  |
Non-Hedges | Electricity | Commodity risk management | 2020 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Notional amount | MWh | 3,465,000 |  |
Average Power Prices | $ / shares | $ 67.82 |  |
Non-Hedges | Electricity | Commodity risk management | 2021 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Notional amount | MWh | 3,424,000 |  |
Average Power Prices | $ / shares | $ 71.06 |  |
Non-Hedges | Electricity | Commodity risk management | 2022 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Notional amount | MWh | 3,329,000 |  |
Average Power Prices | $ / shares | $ 73.55 |  |
Non-Hedges | Electricity | Commodity risk management | 2023 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Notional amount | MWh | 3,329,000 |  |
Average Power Prices | $ / shares | $ 75.39 |  |
Non-Hedges | Electricity | Commodity risk management | 2024 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Notional amount | MWh | 3,338,000 |  |
Average Power Prices | $ / shares | $ 77.28 |  |
Non-Hedges | Electricity | Commodity risk management | 2025 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Notional amount | MWh | 2,628,000 |  |
Average Power Prices | $ / shares | $ 79.20 |  |
Non-Hedges | Foreign exchange forward contracts – foreign-denominated receipts/expenditures | Commodity risk management | 2020 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Notional amount | MWh | 116,000,000 |  |
Average foreign exchange rate | $ / shares | 0.7672 |  |
Non-Hedges | Foreign exchange forward contracts – foreign-denominated receipts/expenditures | Commodity risk management | 2021 |  |  |
Disclosure of financial liabilities [line items] |  |  |
Notional amount | MWh | 8,000,000 |  |
Average foreign exchange rate | $ / shares | 0.7686 |  |

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