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Assets Held for Sale and Discontinued Operations - Summary of Result of Discontinued Operations (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure of analysis of single amount of discontinued operations [line items] |  |
Cost of sales | $ 8,745 | $ 7,552
Gross profit (loss) | 8,571 | 5,214
Other operating income | (1,102) | (80)
Profit (loss) before tax | 5,609 | 4,532
Loss from discontinued operations before taxes | (956) | (156)
Loss from discontinued operations | (772) | (255)
Discontinued operations |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |
Revenue | 1,597 | 715
Cost of sales | 1,291 | 848
Gross profit (loss) | 306 | (133)
Asset impairment | 1,243 | 0
Other operating income | 6 | 0
Profit (loss) before tax | (931) | (133)
Net finance expense | 25 | 25
Non-operating income | 0 | (2)
Recovery of (provision for) income taxes | (184) | 99
Loss from discontinued operations | $ (772) | $ (255)

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- Definition The amount of all expenses directly or indirectly attributed to the goods or services sold. Attributed expenses include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, such as depreciation and maintenance of factory buildings and equipment used in the production process, unallocated production overheads, and abnormal amounts of production costs of inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_99&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 103 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_103&doctype=Standard -URIDate 2022-03-24 + Details
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