Fee Income - Schedule of Fee Income (Details) - CAD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Analysis of income and expense [abstract]
Fee income from insurance contracts	$ 1,059	$ 1,017
Distribution fees	858	820
Fund management and other asset-based fees	4,180	3,662
Administrative service and other fees	784	752
Total fee income	$ 6,881	$ 6,251

The amount of fee and commission income that the entity does not separately disclose in the same statement or note. [Refer: Fee and commission income]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2019-03-27

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration