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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]

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[Line Items] for Disclosure Of Joint Ventures And Associates [Table]

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Fair Value Of Jointly Controlled Assets

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Increase (Decrease) In Investments Accounted For Using Equity Method

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Investment Properties And Other Assets

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Proportion Of Ownership Interest In Joint Venture And Associates

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