Financial assets and liabilities - Interest Rate Exposures (Details) - Interest rate risk $ in Millions	Jun. 30, 2019 CAD ($)
Disclosure of detailed information about hedging instruments [line items]
Percentage of possible change in risk variable	1.00%
Reasonably possible change in risk variable impact on net earnings	$ 36

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.

No definition available.

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