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Operating costs (Details) - CAD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Labour costs |  |  |  |
Wages, salaries and related taxes and benefits | $ (1,029) | $ (989) | $ (2,047) | $ (1,971)
Post-employment benefit plans service cost (net of capitalized amounts) | (46) | (45) | (100) | (99)
Other labour costs | (202) | (224) | (406) | (447)
Less: |  |  |  |
Capitalized labour | 279 | 266 | 551 | 525
Total labour costs | (998) | (992) | (2,002) | (1,992)
Cost of revenues | (1,894) | (1,912) | (3,849) | (3,802)
Other operating costs | (582) | (507) | (1,160) | (989)
Total operating costs | $ (3,474) | $ (3,411) | $ (7,011) | $ (6,783)

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