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Expenses by Nature - Schedule of Expenses by Nature (Detail) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Employment-related costs: |  |
Wages and salaries | $ 1,121 | $ 990
Employee benefits and other wage-related costs | 313 | 255
Bonus payments | 350 | 266
Post-employment benefits and pension costs | 154 | 154
Employee benefits expense | 1,938 | 1,665
Transportation | 1,515 | 1,407
Depreciation and amortization | 1,674 | 1,487
Raw material purchases | 655 | 770
Fuel and energy | 1,103 | 777
Operating supplies consumed | 782 | 639
Maintenance and repair supplies | 845 | 702
Contractors and consultants | 904 | 684
Overhead costs | 559 | 390
Royalties | 495 | 373
Other operating costs | (32) | (21)
Expense by nature | 10,438 | 8,873
Adjusted for: |  |
Capitalized production stripping costs | (1,042) | (667)
Change in inventory | (168) | (288)
Total cost of sales, general and administration, exploration and research and innovation expenses | $ 9,228 | $ 7,918

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