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Interests in Other Entities - Narrative (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Disclosure Of Joint Ventures And Associates [Line Items] |  |
Dividends received from joint ventures and associates (Note 16) | $ 34 | $ 36
Bottom of range |  |
Disclosure Of Joint Ventures And Associates [Line Items] |  |
Interest in joint ventures and associates | 24.99% |
Top of range |  |
Disclosure Of Joint Ventures And Associates [Line Items] |  |
Interest in joint ventures and associates | 50.00% |
Canadian real estate joint ventures |  |
Disclosure Of Joint Ventures And Associates [Line Items] |  |
Increase in equity method investments | $ 64 | 121
Joint operations |  |
Disclosure Of Joint Ventures And Associates [Line Items] |  |
Investment properties and other assets | 1,223 | 1,205
Fair value of jointly controlled assets | 1,307 | 1,293
Joint ventures where entity is venturer |  |
Disclosure Of Joint Ventures And Associates [Line Items] |  |
Rental payments | 16 | $ 9
Future rental payments to joint ventures and associates | $ 0 |
Rental lease term | 14 years |

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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 2017-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_16&doctype=Standard -URIDate 2017-03-09 + Details
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