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Defined Benefit Obligation and Other Long-Term Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2023
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 | 2023 | 2022
Defined benefit obligation (Note 31) | 155 |  | 150 |
Retail power contract liability | 83 |  | 126 |
Other | 13 |  | 18 |
Total | 251 |  | 294 |

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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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