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Segmented Information - Summary Of Detailed Information About Geographical Areas (Parenthetical) (Detail) - CAD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of geographical areas [line items] |  |  |  |  |  |
Revenue From Government Grants | $ 0 | $ 4,100 |  | $ 16,400 | $ 19,600 | $ 0
Energy Infrastructure [Member] |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |
Amounts reclassified between segments |  |  | $ 11,717 |  |  | $ 43,594

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- Definition The amount of income recognised in relation to government grants. [Refer: Government grants] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 20 -IssueDate 2021-01-01 -Paragraph 39 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=20&code=ifrs-tx-2021-en-r&anchor=para_39_b&doctype=Standard -URIDate 2021-03-24 + Details
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- Details
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