v3.19.2

share-based compensation - Employee share purchase plan (Details) - Employee share purchase plan - CAD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
share-based compensation
Dividend reinvestment in Common Shares	$ 8	$ 9	$ 17	$ 17
Purchase plan discount			0.00%	0.00%

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The amount of dividends reinvested in common shares.

+ References

No definition available.

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- Definition

Discount rate from fair value on purchase date that participants pay for shares.

+ References

No definition available.

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