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Debt and Credit Facilities - Short-Term Debt (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Debt and Credit Facilities |  |
Short-term debt | $ 494 | $ 2,807
Commercial paper |  |
Debt and Credit Facilities |  |
Short-term debt | 494 | 2,807
Commercial paper | Maximum |  |
Debt and Credit Facilities |  |
Commercial paper authorized to be issued | $ 5,000 | $ 5,000
Term of debt | 365 days | 365 days
Commercial paper | Weighted average |  |
Debt and Credit Facilities |  |
Interest rate | 5.57% | 4.93%

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