Acquisition - Additional Information (Detail) shares in Millions, $ in Millions	Feb. 28, 2022 CAD ($)	Feb. 27, 2022 CAD ($) shares
Disclosure of detailed information about business combination [line items]
Payment to acquire non controlling interests in subsidiaries	$ 1,200
Scotia Bank Chile [Member]
Disclosure of detailed information about business combination [line items]
Common shares transferred value		$ 569
Purchase consideration transferred		$ 650
Number of common shares transferred \| shares		7
Bank Of Nova Scotia Chile SA [member] \| Major business combination [member]
Disclosure of detailed information about business combination [line items]
Percentage increase in ownership interest in subsidiaries	16.80%
Proportion of ownership interests in subsidiaries	99.80%

Percentage increase in ownership interest in subsidiaries.

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- Definition

The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]]

+ References

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The fair value, at the acquisition date, of equity interests of the acquirer transferred as consideration in a business combination. [Refer: Business combinations [member]]

+ References

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The number of instruments or interests issued or issuable at acquisition date for equity interests of the acquirer transferred as consideration in a business combination.

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The cash outflow for changes in ownership interests in subsidiaries that do not result in a loss of control. [Refer: Subsidiaries [member]]

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The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

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