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Other Liabilities - Summary of Other Liabilities (Detail) - CAD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Miscellaneous Noncurrent Liabilities [Abstract] |  |
Employee Long-Term Incentives | $ 33 | $ 103
Pension and Other Post-Employment Benefit Plan (Note 29) | 91 | 73
Onerous Contract Provisions | 39 | 46
Other | 18 | 19
Other Liabilities | $ 181 | $ 241

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- Definition Net liabilities of defined benefit plan and other post employment benefit plan. + References No definition available. + Details
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- Definition Non current liabilities from share-based payment transactions 2011. + References No definition available. + Details
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- Definition The amount of provision for onerous contracts. An onerous contract is a contract in which the unavoidable costs of meeting the obligation under the contract exceed the economic benefits expected to be received under it. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 66 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_66&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of non-current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Non-current liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
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