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v3.25.4

Net gains on investments (Details) - CAD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jul. 01, 2025 | Dec. 31, 2025 | Dec. 31, 2027 | Dec. 31, 2025 | Dec. 31, 2024 | Oct. 01, 2025
Subsidiaries |  |  |  |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |  |  |  |
Gain recognised on disposal of assets or disposal groups constituting discontinued operation |  |  |  |  | $ 69 |
Home Security and Monitored Alarm Assets | Assets and liabilities classified as held for sale |  |  |  |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |  |  |  |
Total proceeds from sale of operations |  | $ 170 |  | $ 170 |  | $ 170
Proceeds from sale of operations |  | $ 65 |  | 65 |  |
Gain recognised on disposal of assets or disposal groups constituting discontinued operation |  |  |  | 57 |  |
Home Security and Monitored Alarm Assets | Assets and liabilities classified as held for sale | Forecast |  |  |  |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |  |  |  |
Additional proceeds from disposal of non-current assets to be received upon contingent consideration |  |  | $ 25 |  |  |
Home Security and Monitored Alarm Assets | Assets and liabilities classified as held for sale | Forecast | Top of range |  |  |  |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |  |  |  |
Additional proceeds from disposal of non-current assets to be received upon contingent consideration |  |  | $ 80 |  |  |
MSLE |  |  |  |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |  |  |  |
Proceeds from sale of operations |  |  |  | 4,700 |  |
Gain recognised on disposal of assets or disposal groups constituting discontinued operation |  |  |  | 5,200 |  |
Income tax liability | $ 542 |  |  | $ 542 |  |

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