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Segmented Information - Schedule of Operating Segments (Detail) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | $ 17,316 | $ 12,766
Cost of sales | (8,745) | (7,552)
Gross profit | 8,571 | 5,214
Impairment reversal (Note 8(a)) | 0 | (215)
Other operating expense | (1,585) | (446)
Profit from operations | 6,986 | 4,983
Net finance income (expense) | (150) | (185)
Non-operating income (expense) | (275) | (107)
Share of profit of associates and joint ventures | 4 | (3)
Profit from continuing operations before taxes | 6,565 | 4,688
Capital expenditures from continuing operations | 5,465 | 4,633
Goodwill (Note 17) | 1,118 | 1,091
Total assets from continuing operations | 51,057 |
Total assets from continuing operations | 52,359 | 47,368
Aggregate continuing and discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from continuing operations | 52,359 |
Discontinued operations |  |
Disclosure of operating segments [line items] |  |
Cost of sales | (1,291) | (848)
Gross profit | 306 | (133)
Total assets from continuing operations | 1,566 |
Total assets from discontinued operations - Unallocated | 1,302 |
Segment revenue |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | 17,971 | 13,277
Less intra-segment revenue |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | (655) | (511)
Copper |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | 3,381 | 3,452
Cost of sales | (1,982) | (1,711)
Gross profit | 1,399 | 1,741
Impairment reversal (Note 8(a)) |  | (215)
Other operating expense | (367) | (14)
Profit from operations | 1,032 | 1,942
Net finance income (expense) | (248) | (116)
Non-operating income (expense) | (185) | (137)
Share of profit of associates and joint ventures | 4 | (3)
Profit from continuing operations before taxes | 603 | 1,686
Capital expenditures from continuing operations | 3,910 | 3,074
Goodwill (Note 17) | 416 | 389
Total assets from continuing operations | 23,801 |
Total assets from continuing operations |  | 18,077
Copper | Aggregate continuing and discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from continuing operations | 23,801 |
Copper | Discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from discontinued operations - Unallocated | 0 |
Copper | Segment revenue |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | 3,381 | 3,452
Copper | Less intra-segment revenue |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | 0 | 0
Zinc |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | 3,526 | 3,063
Cost of sales | (2,755) | (2,375)
Gross profit | 771 | 688
Impairment reversal (Note 8(a)) |  | 0
Other operating expense | (55) | (41)
Profit from operations | 716 | 647
Net finance income (expense) | (38) | (47)
Non-operating income (expense) | 9 | 4
Share of profit of associates and joint ventures | 0 | 0
Profit from continuing operations before taxes | 687 | 604
Capital expenditures from continuing operations | 370 | 259
Goodwill (Note 17) | 0 | 0
Total assets from continuing operations | 4,523 |
Total assets from continuing operations |  | 4,401
Zinc | Aggregate continuing and discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from continuing operations | 4,523 |
Zinc | Discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from discontinued operations - Unallocated | 0 |
Zinc | Segment revenue |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | 4,181 | 3,574
Zinc | Less intra-segment revenue |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | (655) | (511)
Steelmaking Coal |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | 10,409 | 6,251
Cost of sales | (4,008) | (3,466)
Gross profit | 6,401 | 2,785
Impairment reversal (Note 8(a)) |  | 0
Other operating expense | (398) | 153
Profit from operations | 6,003 | 2,938
Net finance income (expense) | (86) | (91)
Non-operating income (expense) | 35 | 0
Share of profit of associates and joint ventures | 0 | 0
Profit from continuing operations before taxes | 5,952 | 2,847
Capital expenditures from continuing operations | 1,167 | 1,284
Goodwill (Note 17) | 702 | 702
Total assets from continuing operations | 18,070 |
Total assets from continuing operations |  | 18,390
Steelmaking Coal | Aggregate continuing and discontinued operations |  |
Disclosure of operating segments [line items] |  |
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 | Segment revenue |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | 10,409 | 6,251
Steelmaking Coal | Less intra-segment revenue |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | 0 | 0
Corporate |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | 0 | 0
Cost of sales | 0 | 0
Gross profit | 0 | 0
Impairment reversal (Note 8(a)) |  | 0
Other operating expense | (765) | (544)
Profit from operations | (765) | (544)
Net finance income (expense) | 222 | 69
Non-operating income (expense) | (134) | 26
Share of profit of associates and joint ventures | 0 | 0
Profit from continuing operations before taxes | (677) | (449)
Capital expenditures from continuing operations | 18 | 16
Goodwill (Note 17) | 0 | 0
Total assets from continuing operations | 4,663 |
Total assets from continuing operations |  | 6,500
Corporate | Aggregate continuing and discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from continuing operations | 4,663 |
Corporate | Discontinued operations |  |
Disclosure of operating segments [line items] |  |
Total assets from discontinued operations - Unallocated | 0 |
Corporate | Segment revenue |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | 0 | 0
Corporate | Less intra-segment revenue |  |
Disclosure of operating segments [line items] |  |
Revenue (Note 6(a)) | $ 0 | $ 0

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