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Revenue - Summary of Revenue Disaggregated by Geographical Region (Detail) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | $ 13,481 | $ 8,948
China |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 4,643 | 1,861
Japan |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 1,437 | 1,211
South Korea |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 1,354 | 982
India |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 556 | 588
Other |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 894 | 757
United States |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 1,679 | 1,189
Canada |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 1,279 | 1,027
Latin America |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 116 | 166
Germany |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 731 | 610
Finland |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 182 | 124
Belgium |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 123 | 163
Spain |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 136 | 106
Other |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | $ 351 | $ 164

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- Definition The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Paragraph 113 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_113_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Paragraph 114 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_114&doctype=Standard -URIDate 2021-03-24 + Details
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