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Inventory (Tables) | 12 Months Ended
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Dec. 31, 2023
Disclosure of inventories [Abstract] |
Disclosure Of The Components Of Inventories | The components of inventory are as follows:
As at Dec. 31 | 2023 | 2022 |  |
Parts, materials and supplies | 72 |  | 83 |  |  |
Coal | 38 |  | 43 |  |  |
Emission credits | 45 |  | 27 |  |  |
Natural gas | 2 |  | 4 |  |  |
Total | 157 |  | 157 |  |  |

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