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Defined Benefit Obligation and Other Long-Term Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2024
Subclassifications of assets, liabilities and equities [abstract] |
Disclosure of components of defined benefit obligations and other long-term liabilities | The components of defined benefit obligation and other long-term liabilities are as follows:
As at Dec. 31 | 2024 | 2023
Defined benefit obligation (Note 32) | 146 |  | 155 |
Retail power contract liability | 45 |  | 83 |
Other | 11 |  | 13 |
Total | 202 |  | 251 |

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- Definition Components of Noncurrent Defined Benefit Plan Liabilities and Other Long-Term Liabilities [Table Text Block] + References No definition available. + Details
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