Inventories (Details) - CAD ($) $ in Millions |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Public Utilities, Inventory [Line Items] | ||
| Inventories | $ 685 | $ 566 |
| Materials and supplies | ||
| Public Utilities, Inventory [Line Items] | ||
| Inventories | 548 | 431 |
| Gas and fuel in storage | ||
| Public Utilities, Inventory [Line Items] | ||
| Inventories | 65 | 96 |
| Coal inventory | ||
| Public Utilities, Inventory [Line Items] | ||
| Inventories | $ 72 | $ 39 |