Invested Assets and Investment Income - Investment Properties Rental Income (Details) - CAD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Analysis of income and expense [abstract] | ||
| Rental income from investment properties | $ 845 | $ 859 |
| Direct operating expenses of rental investment properties | (474) | (483) |
| Total | $ 371 | $ 376 |