segment information - Geographical information (Details) - CAD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Disclosure of operating segments
Goodwill	$ 5,331	$ 4,747
Foreign
Disclosure of operating segments
Goodwill	$ 568	$ 546

The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]]

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