Miscellaneous financial information - Narrative (Details) - CAD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2025 |
Dec. 31, 2024 |
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| Restructuring Cost and Reserve [Line Items] | |||
| Property, Plant and Equipment, Net | $ 30,225 | $ 30,225 | $ 30,807 |
| Employee Severance | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring charges | 330 | 330 | |
| Calgary Imperial Campus | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Property, Plant and Equipment, Net | 60 | $ 60 | |
| Corporate and other | Calgary Imperial Campus | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Tangible asset impairment charges | $ 406 |
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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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