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Other (expense) income (Details) - CAD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Analysis of income and expense [abstract] |  |  |  |
Losses on retirements and disposals of property, plant and equipment and intangible assets | $ (54) | $ (1) | $ (70) | $ (6)
Net mark-to-market (losses) gains on derivatives used to economically hedge equity settled share-based compensation plans | (9) | 12 | (37) | 112
Early debt redemption costs | 0 | (18) | (17) | (18)
Equity (losses) income from investments in associates and joint ventures |  |  |  |
Gain (loss) on investments | 11 | (53) | 21 | (53)
Operations | (24) | (6) | (15) | 5
Losses on investments | 0 | 0 | 0 | (4)
Other | (4) | 12 | (9) | 15
Total other (expense) income | $ (80) | $ (54) | $ (127) | $ 51

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- Definition Share Of Profit (Loss) Of Associates And Joint Ventures Accounted For Using Equity Method, Gain (Loss) On Investment + References No definition available. + Details
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- Definition Share Of Profit (Loss) Of Associates And Joint Ventures Accounted For Using Equity Method, Operations + References No definition available. + Details
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- Definition The gain (loss) arising from the difference between the carrying amount of the financial liability extinguished and the measurement of the consideration paid (equity instruments issued) to the creditor. [Refer: Carrying amount [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRIC -Number 19 -IssueDate 2019-01-01 -Paragraph 11 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRIC&num=19&code=ifrs-tx-2019-en-r&anchor=para_11&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_85&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The gains (losses) on disposals of property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 98 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_98_c&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The gains (losses) on financial assets at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 20 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_20_a_i&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The gains (losses) that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_102&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_103&doctype=Standard -URIDate 2019-03-27 + Details
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