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Investments - Change in investments (Details) $ in Millions, $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2020 USD ($) | Nov. 25, 2020 CAD ($) | Nov. 25, 2020 USD ($) | Dec. 31, 2021 CAD ($) | Dec. 31, 2020 CAD ($) | Dec. 31, 2019 CAD ($)
Change In Investments [Roll Forward] |  |  |  |  |  |
Equity income |  |  |  | $ 9 | $ 1 | $ 0
Change in foreign exchange rates |  |  |  | 16 | 17 | (15)
Consolidated structured entities [member] |  |  |  |  |  |
Change In Investments [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 100 | 0 |
Contributions |  |  |  |  | 102 |
Equity income |  |  |  | 9 | 1 |
Dividends received from investments accounted for using equity method, classified as investing activities |  |  |  | (4) |  |
Change in foreign exchange rates |  |  |  |  | (3) |
Ending balance |  |  |  | 105 | 100 | 0
Skookumchuck |  |  |  |  |  |
Change In Investments [Roll Forward] |  |  |  |  |  |
Contributions |  | $ 86 | $ 66 |  |  |
EMG International, LLC |  |  |  |  |  |
Change In Investments [Roll Forward] |  |  |  |  |  |
Contributions | $ 12 |  |  |  |  |
SP Skookumchuck Investment, LLC |  |  |  |  |  |
Change In Investments [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 85 | 0 |
Contributions |  |  |  |  | 86 |
Equity income |  |  |  | 12 | 1 |
Dividends received from investments accounted for using equity method, classified as investing activities |  |  |  | (4) |  |
Change in foreign exchange rates |  |  |  |  | (2) |
Ending balance |  |  |  | 93 | 85 | 0
EMG International, LLC |  |  |  |  |  |
Change In Investments [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 15 | 0 |
Contributions |  |  |  |  | 16 |
Equity income |  |  |  | (3) | 0 |
Dividends received from investments accounted for using equity method, classified as investing activities |  |  |  | 0 |  |
Change in foreign exchange rates |  |  |  |  | (1) |
Ending balance |  |  |  | $ 12 | $ 15 | $ 0

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- Definition The cash inflow representing dividends received from investments that are accounted for using the equity method, classified as investing activities. [Refer: Investments accounted for using equity method; Dividends received] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of exchange differences recognised in profit or loss that arise from foreign currency transactions, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: At fair value [member]; Financial instruments, class [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2021-01-01 -Paragraph 52 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2021-en-r&anchor=para_52_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 35 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_35&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The cash outflow to acquire interests in joint ventures (other than payments for those instruments considered to be cash equivalents or those held for dealing or trading purposes), classified as investing activities. [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 16 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16_c&doctype=Standard -URIDate 2021-03-24 + Details
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