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Operating costs (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Labour costs |  |
Wages, salaries and related taxes and benefits | $ (4,134) | $ (4,354)
Post-employment benefit plans service cost (net of capitalized amounts) | (208) | (206)
Other labour costs | (987) | (1,063)
Less: |  |
Capitalized labour | 1,130 | 1,217
Total labour costs | (4,199) | (4,406)
Cost of revenues | (7,705) | (7,926)
Other operating costs | (1,916) | (1,924)
Total operating costs | (13,820) | (14,256)
Research and development expense | $ 66 | $ 90

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- Definition Employee Benefits Expense, Excluding Termination + References No definition available. + Details
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- Definition Labour Expense, Capitalized + References No definition available. + Details
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- Definition The amount of all expenses directly or indirectly attributed to the goods or services sold. Attributed expenses include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, such as depreciation and maintenance of factory buildings and equipment used in the production process, unallocated production overheads, and abnormal amounts of production costs of inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_99&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 103 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_103&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of miscellaneous other operating expenses. [Refer: Other operating income (expense)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of expenditure directly attributable to research or development activities, recognised in profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2024-01-01 -Paragraph 126 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_126&doctype=Standard -URIDate 2024-03-27 + Details
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