Property, Plant and Equipment - Narrative (Details) $ in Millions |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2024
CAD ($)
kV
kPa
|
Dec. 31, 2023
CAD ($)
|
|
| Property, Plant and Equipment [Abstract] | ||
| Electric distribution capacity, below (kV) | kV | 69 | |
| Gas distribution capacity, below (kPa) | kPa | 2,070 | |
| Electric transmission capacity, above (kV) | kV | 69 | |
| Gas transmission capacity, above (kPa) | kPa | 2,070 | |
| Cost of PPE under finance leases | $ | $ 324 | $ 318 |
| Cost of PPE under finance leases, accumulated depreciation | $ | $ 119 | $ 113 |