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Leases - Liability Continuity (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Presentation of leases for lessee [abstract] |  |
Beginning balance | $ 1,061 | $ 571
Cash flows |  |
Principal payments | (120) | (160)
Interest payments | (52) | (31)
Non-cash changes |  |
Additions | 182 | 674
Interest expense | 49 | 31
Changes in foreign exchange rates and other | 40 | (24)
Sale of steelmaking coal business | (209) | 0
Ending balance | 951 | 1,061
Less current portion of lease liabilities | (175) | (195)
Non-current lease liabilities | $ 776 | $ 866

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- Definition The amount of current lease liabilities. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard -URIDate 2024-03-27 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of non-current lease liabilities. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard -URIDate 2024-03-27 + Details
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- References No definition available. + Details
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- Definition Additions, Lease Liability + References No definition available. + Details
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- Definition Cash Flows From Used In Increase Decrease In Lease Liability Continuity [Abstract] + References No definition available. + Details
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- Definition Change In Foreign Exchange And Other, Lease Liability + References No definition available. + Details
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- Definition Lease Liabilities, Increase (Decrease) Through Sale Of Steelmaking Coal Business + References No definition available. + Details
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- Definition Lease Liability, Accretion + References No definition available. + Details
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- Definition Non Cash Transactions [abstract] + References No definition available. + Details
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- Definition Payments Of Lease Liabilities, Interest Payments + References No definition available. + Details
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- Definition Payments Of Lease Liabilities, Principal Payments + References No definition available. + Details
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