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v3.20.4

Provisions (Details) - CAD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Jan. 01, 2019
Reconciliation of changes in other provisions [abstract] |  |  |  |
Additions | $ 116 |  |  |
Usage | (28) |  |  |
Reversals | (2) |  |  |
Ending balance | 408 |  |  |
Current |  | $ 53 | $ 33 |
Non-current |  | 355 | $ 298 |
Total other provisions | 408 | 408 |  | $ 331
Discontinued operations |  |  |  |
Reconciliation of changes in other provisions [abstract] |  |  |  |
Discontinued operations | (9) |  |  |
AROs |  |  |  |
Reconciliation of changes in other provisions [abstract] |  |  |  |
Additions | 21 |  |  |
Usage | (8) |  |  |
Reversals | (1) |  |  |
Ending balance | 202 |  |  |
Current |  | 15 |  |
Non-current |  | 187 |  |
Total other provisions | 202 | 202 |  | 199
AROs | Discontinued operations |  |  |  |
Reconciliation of changes in other provisions [abstract] |  |  |  |
Discontinued operations | (9) |  |  |
Other |  |  |  |
Reconciliation of changes in other provisions [abstract] |  |  |  |
Additions | 95 |  |  |
Usage | (20) |  |  |
Reversals | (1) |  |  |
Ending balance | 206 |  |  |
Current |  | 38 |  |
Non-current |  | 168 |  |
Total other provisions | 206 | $ 206 |  | $ 132
Other | Discontinued operations |  |  |  |
Reconciliation of changes in other provisions [abstract] |  |  |  |
Discontinued operations | $ 0 |  |  |

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- Definition The amount of additional other provisions made. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84_b&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The increase (decrease) in other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The decrease in other provisions resulting from the transfer of those provisions to liabilities included in disposal groups classified as held for sale. [Refer: Other provisions; Disposal groups classified as held for sale [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of non-current provisions other than provisions for employee benefits. [Refer: Non-current provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78_d&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84_a&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78_d&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84_c&doctype=Standard -URIDate 2020-01-01 + Details
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