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share-based compensation - Expense (Details) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
share-based compensation |  |
Employee benefits expense | $ 173 | $ 147
Associated operating cash outflows | (146) | (149)
Statement of cash flows adjustment | 27 | (2)
Income tax benefit arising from share-based compensation | 43 | 39
Restricted share units |  |
share-based compensation |  |
Employee benefits expense | 131 | 107
Associated operating cash outflows | (109) | (112)
Statement of cash flows adjustment | 22 | (5)
Cash inflows from cash-settled equity forward agreements | 4 | 13
Employee share purchase plan |  |
share-based compensation |  |
Employee benefits expense | 33 | 37
Associated operating cash outflows | (33) | (37)
Share option awards |  |
share-based compensation |  |
Employee benefits expense | 9 | 3
Associated operating cash outflows | (4) |
Statement of cash flows adjustment | $ 5 | $ 3

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- Definition Adjustments for share-based payments to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 20 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_20_b&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of expense arising from equity-settled share-based payment transactions in which the goods or services received did not qualify for recognition as assets. [Refer: Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 51 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_51_a&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The cash inflow from cash-settled equity forward agreements. + References No definition available. + Details
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- Definition The amount of cash outflows associated with expense from share-based payment transactions. + References No definition available. + Details
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + References No definition available. + Details
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- Details
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- Details
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- Details
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