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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, 2023 | Dec. 31, 2022
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | $ 15,011 | $ 17,316
China |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 4,202 | 4,804
Japan |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 2,749 | 3,216
South Korea |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 1,675 | 2,178
India |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 1,214 | 1,306
Other |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 697 | 1,169
United States |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 1,577 | 1,727
Canada |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 775 | 857
Chile |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 339 | 154
Other |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 170 | 38
Germany |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 560 | 428
Spain |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 246 | 271
Finland |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 188 | 278
Belgium |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 140 | 134
Slovakia |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | 126 | 150
Other |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Revenue | $ 353 | $ 606

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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 2023-01-01 -Paragraph 114 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_114&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2023-01-01 -Paragraph 113 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_113_a&doctype=Standard -URIDate 2023-03-23 + Details
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