real estate joint ventures and investment in associate - Net income (loss) and comprehensive income (loss) (Details) - CAD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Real estate joint ventures
Interest expense	$ 204	$ 192	$ 397	$ 362
Net income	315	520	668	957
Comprehensive income	(461)	549	482	967
Real estate joint ventures
Real estate joint ventures
Net income	(31)		(33)	(1)
Comprehensive income	0	0	0	0
Capitalized financing costs	1	3	4	6
Provision for income taxes of the partners recognized in net income and comprehensive income	$ 0	$ 0	$ 0	$ 0	$ 0

The amount of change in equity resulting from transactions and other events, other than those changes resulting from transactions with owners in their capacity as owners.

The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income]

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+ Details