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Interests in Other Entities - Narrative (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure Of Joint Ventures And Associates [Line Items] |  |
Dividends received from joint ventures and associates (Note 16) | $ 45 | $ 34
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 | $ 19 | 64
Joint operations |  |
Disclosure Of Joint Ventures And Associates [Line Items] |  |
Investment properties and other assets | 1,503 | 1,223
Fair value of jointly controlled assets | 1,595 | 1,307
Joint ventures where entity is venturer |  |
Disclosure Of Joint Ventures And Associates [Line Items] |  |
Rental payments | 17 | $ 16
Future rental payments to joint ventures and associates | $ 212 |
Rental lease term | 13 years |

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