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Trade Accounts Payable and Other Liabilities - Schedule of Trade Accounts Payable and Other Liabilities (Detail) - CAD CAD in Millions | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Trade and other payables [abstract] |  |
Trade accounts payable and accruals | CAD 1,150 | CAD 986
Capital project accruals | 149 | 142
Payroll-related liabilities | 420 | 252
Accrued interest | 120 | 148
Commercial and government royalties | 296 | 246
Customer deposits | 19 | 18
Current portion of provisions (Note 22(a)) | 133 | 71
Current portion of deferred consideration (Note 20) | 23 | 32
Other | 3 | 7
Trade account payable and other liabilities | CAD 2,313 | CAD 1,902

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- Definition The amount of accruals classified as current. [Refer: Accruals] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 78 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of current deposits from customers. [Refer: Deposits from customers] + 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 deferred income classified as current. [Refer: Deferred income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 78 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of current payables 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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- Definition The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph k -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_k&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of interest accrued, but is not yet paid. + References No definition available. + Details
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- Definition Commercial and government royalties. + References No definition available. + Details
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