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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2018
Text block [abstract] |
Schedule of Reconciliation of Changes in Goodwill |
(CAD$ in millions) |  | Steelmaking Coal Operations |  |  | Quebrada Blanca |  |  | Total |
January 1, 2017 |  | $ | 702 |  |  | $ | 412 |  |  | $ | 1,114 |
Changes in foreign exchange rates |  |  | — |  |  |  | (27 | ) |  |  | (27 | )
December 31, 2017 |  | $ | 702 |  |  | $ | 385 |  |  | $ | 1,087 |
Changes in foreign exchange rates |  |  | — |  |  |  | 34 |  |  |  | 34 |
December 31, 2018 |  | $ | 702 |  |  | $ | 419 |  |  | $ | 1,121 |

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- Definition The disclosure of the reconciliation of changes in goodwill. [Refer: Goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2018-01-01 -Paragraph B67 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2018-03-01&anchor=para_B67_d&doctype=Appendix&seq=2 -URIDate 2018-03-16 + Details
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- Definition Text block [abstract] + References No definition available. + Details
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