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Segmented Information - Schedule of Operating Segments (Detail) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure of operating segments [line items] |  |
Revenue (Note 7) | $ 15,011 | $ 17,316
Cost of sales | (9,868) | (8,745)
Gross profit (loss) | 5,143 | 8,571
Other operating income (expense) | (773) | (1,585)
Profit (loss) from operating activities | 4,370 | 6,986
Net finance income (expense) | (162) | (150)
Non-operating income (expense) 1 | (266) | (275)
Share of profit of joint venture | 2 | 4
Profit from continuing operations before taxes | 3,944 | 6,565
Capital expenditures from continuing operations | 5,782 | 5,465
Goodwill (Note 18) | 1,108 | 1,118
Total assets from continuing operations |  | 51,057
Total assets from continuing operations | 56,193 | 52,359
Discontinued operations |  |
Disclosure of operating segments [line items] |  |
Cost of sales | (161) | (1,291)
Gross profit (loss) | (18) | 306
Total assets from discontinued operations – Unallocated |  | 1,302
Total assets from continuing operations |  | 1,566
Aggregate continuing and discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from continuing operations | 56,193 | 52,359
Copper |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 7) | 3,425 | 3,381
Cost of sales | (2,713) | (1,982)
Gross profit (loss) | 712 | 1,399
Other operating income (expense) | 56 | (367)
Profit (loss) from operating activities | 768 | 1,032
Net finance income (expense) | (575) | (248)
Non-operating income (expense) 1 | (190) | (185)
Share of profit of joint venture | 2 | 4
Profit from continuing operations before taxes | 5 | 603
Capital expenditures from continuing operations | 4,018 | 3,910
Goodwill (Note 18) | 406 | 416
Total assets from continuing operations |  | 23,801
Copper | Discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from discontinued operations – Unallocated |  | 0
Copper | Aggregate continuing and discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from continuing operations | 28,636 | 23,801
Zinc |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 7) | 3,051 | 3,526
Cost of sales | (2,651) | (2,755)
Gross profit (loss) | 400 | 771
Other operating income (expense) | (86) | (55)
Profit (loss) from operating activities | 314 | 716
Net finance income (expense) | (52) | (38)
Non-operating income (expense) 1 | 0 | 9
Share of profit of joint venture | 0 | 0
Profit from continuing operations before taxes | 262 | 687
Capital expenditures from continuing operations | 298 | 370
Goodwill (Note 18) | 0 | 0
Total assets from continuing operations |  | 4,523
Zinc | Discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from discontinued operations – Unallocated |  | 0
Zinc | Aggregate continuing and discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from continuing operations | 4,581 | 4,523
Steelmaking Coal |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 7) | 8,535 | 10,409
Cost of sales | (4,504) | (4,008)
Gross profit (loss) | 4,031 | 6,401
Other operating income (expense) | 201 | (398)
Profit (loss) from operating activities | 4,232 | 6,003
Net finance income (expense) | (111) | (86)
Non-operating income (expense) 1 | (17) | 35
Share of profit of joint venture | 0 | 0
Profit from continuing operations before taxes | 4,104 | 5,952
Capital expenditures from continuing operations | 1,442 | 1,167
Goodwill (Note 18) | 702 | 702
Total assets from continuing operations |  | 18,070
Steelmaking Coal | Discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from discontinued operations – Unallocated |  | 0
Steelmaking Coal | Aggregate continuing and discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from continuing operations | 19,364 | 18,070
Corporate |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 7) | 0 | 0
Cost of sales | 0 | 0
Gross profit (loss) | 0 | 0
Other operating income (expense) | (944) | (765)
Profit (loss) from operating activities | (944) | (765)
Net finance income (expense) | 576 | 222
Non-operating income (expense) 1 | (59) | (134)
Share of profit of joint venture | 0 | 0
Profit from continuing operations before taxes | (427) | (677)
Capital expenditures from continuing operations | 24 | 18
Goodwill (Note 18) | 0 | 0
Total assets from continuing operations |  | 4,663
Corporate | Discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from discontinued operations – Unallocated |  | 0
Corporate | Aggregate continuing and discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from continuing operations | $ 3,612 | $ 4,663

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