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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2020
Intangible Assets [Abstract] |
Schedule of Goodwill |
(CAD$ in millions) |  | Steelmaking Coal Operations |  | Quebrada Blanca |  | Total
January 1, 2019 |  | $ | 702 |  |  | $ | 419 |  |  | $ | 1,121 |
Changes in foreign exchange rates |  | — |  |  | (20) |  |  | (20) |
December 31, 2019 |  | $ | 702 |  |  | $ | 399 |  |  | $ | 1,101 |
Changes in foreign exchange rates |  | — |  |  | (8) |  |  | (8) |
December 31, 2020 |  | $ | 702 |  |  | $ | 391 |  |  | $ | 1,093 |

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- Definition The disclosure of the reconciliation of changes in intangible assets and goodwill. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2020-01-01 -Paragraph 118 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2020-en-r&anchor=para_118&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition Intangible Assets [Abstract] + References No definition available. + Details
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