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General and Administrative - Summary of General and Administrative Expenses (Detail) - CAD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
General And Administrative Expenses [Abstract] |  |  |  |  |  |
Salaries and Benefits | $ 70 | $ 79 |  | $ 142 | $ 149 |
Administrative and Other | 61 | 50 |  | 90 | 108 |
Stock-Based Compensation Expense (Recovery) (Note 25) | 87 | 34 |  | 194 | 69 |
Other Incentive Benefits Expense (Recovery) | 0 | 7 |  | (9) | 7 |
General and Administrative Expenses | $ 218 | $ 170 | [1] | $ 417 | $ 333 | [1]
[1] | See Note 3 for revisions to prior period results.

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- Definition Salaries and benefits + References No definition available. + Details
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- Definition The amount of expense relating to general and administrative activities of the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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