Other Long-Term Liabilities - Schedule of Other Long-Term Liabilities (Details) - CAD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Asset retirement obligations | $ 9,743 | $ 8,607 | $ 7,690 | $ 6,908 |
| Lease liabilities | 3,106 | 1,464 | ||
| Share-based compensation | 433 | 620 | $ 780 | $ 832 |
| Transportation and processing contracts | 186 | 58 | ||
| Risk management | 65 | 8 | ||
| Other | 68 | 80 | ||
| Other liabilities | 13,601 | 10,837 | ||
| Less: current portion | 1,665 | 1,535 | ||
| Other long-term liabilities | $ 11,936 | $ 9,302 |
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- Definition Miscellaneous Other Liabilities No definition available.
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- Definition Product Transportation And Processing Obligation No definition available.
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- Definition The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Types of share-based payment arrangements [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Current liabilities] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of liabilities that the entity does not separately disclose in the same statement or note. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of non-current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Non-current liabilities] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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