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Nature of business - Schedule of ownership percentage in subsidiaries (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
FSD Biosciences Inc.
Disclosure of subsidiaries [line items]
Country	USA
Ownership percentage	100.00%	100.00%	0.00%
Prismic Pharmaceuticals Inc.
Disclosure of subsidiaries [line items]
Country	USA
Ownership percentage	100.00%	100.00%	100.00%
FV Pharma Inc.
Disclosure of subsidiaries [line items]
Country	Canada
Ownership percentage	100.00%	100.00%	100.00%
Lucid Psycheceuticals Inc.
Disclosure of subsidiaries [line items]
Country	Canada
Ownership percentage	100.00%	0.00%	0.00%

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The principal place of business of a subsidiary. [Refer: Principal place of business; Subsidiaries [member]]

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