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Goodwill - Activity (Details) - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Abstract]
Goodwill at beginning of period	$ 2,272	$ 2,272
Goodwill Recognized (Note 5A)	1,289	0
Goodwill Reclassified to Assets Held for Sale (Note 16)	(88)	0
Goodwill at end of period	$ 3,473	$ 2,272

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- Definition

Goodwill abstract.

+ References

No definition available.

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X

- Definition

The increase (decrease) in goodwill. [Refer: Goodwill]

+ References

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X

- Definition

The decrease in goodwill due to classification as held for sale. [Refer: Goodwill; Disposal groups classified as held for sale [member]]

+ References

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- Definition

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]]

+ References

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