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Other Liabilities and Provisions - Summary of Other Liabilities and Provisions (Detail) - CAD CAD in Millions | Dec. 31, 2017 | Dec. 31, 2016
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Disclosure of other provisions [line items] |  |
Other liabilities and provisions | CAD 1,977 | CAD 1,322
Other Liabilities and Provisions [member] |  |
Disclosure of other provisions [line items] |  |
Provisions | 1,905 | 1,236
Derivative liabilities (net of current portion of $nil (2016 - $5 million)) | 43 | 21
Other | 29 | 65
Other liabilities and provisions | CAD 1,977 | CAD 1,322

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- Definition The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of liabilities that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
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