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Goodwill | 12 Months Ended
--- | ---
Dec. 31, 2021
Intangible Assets [Abstract] |
Goodwill | Goodwill
(CAD$ in millions) |  | Steelmaking Coal Operations |  | Quebrada Blanca |  | Total
January 1, 2020 |  | $ | 702 |  |  | $ | 399 |  |  | $ | 1,101 |
Changes in foreign exchange rates |  | — |  |  | (8) |  |  | (8) |
December 31, 2020 |  | $ | 702 |  |  | $ | 391 |  |  | $ | 1,093 |
Changes in foreign exchange rates |  | — |  |  | (2) |  |  | (2) |
December 31, 2021 |  | $ | 702 |  |  | $ | 389 |  |  | $ | 1,091 |
The results of our annual goodwill impairment analysis and key assumptions used in the analysis are outlined in Notes 7(b) and 7(c).

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