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Basis of preparation - Schedule of interests in subsidiaries (Details) | 12 Months Ended
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Sep. 30, 2022
KWESST Inc. [Member] |
Disclosure of subsidiaries [line items] |
Name of subsidiary | KWESST Inc.
Location | Ottawa, Canada
Equity % | 100.00%
2720178 Ontario Inc. [Member] |
Disclosure of subsidiaries [line items] |
Name of subsidiary | 2720178 Ontario Inc.
Location | Bowmanville, Canada
Equity % | 100.00%
Police Ordnance Company Inc.[Member] |
Disclosure of subsidiaries [line items] |
Name of subsidiary | Police Ordnance Company Inc.
Location | Bowmanville, Canada
Equity % | 100.00%
KWESST U.S. Holdings Inc. [Member] |
Disclosure of subsidiaries [line items] |
Name of subsidiary | KWESST U.S. Holdings Inc.
Location | Delaware, Canada
Equity % | 100.00%
KWESST Defense Systems U.S. Inc. [Member] |
Disclosure of subsidiaries [line items] |
Name of subsidiary | KWESST Defense Systems U.S. Inc.
Location | Virginia, United States
Equity % | 100.00%
KWESST Public Safety Systems U.S. Inc. [Member] |
Disclosure of subsidiaries [line items] |
Name of subsidiary | KWESST Public Safety Systems U.S. Inc.
Location | Virginia, United States
Equity % | 100.00%
KWESST Public Safety Systems Canada Inc. [Member] |
Disclosure of subsidiaries [line items] |
Name of subsidiary | KWESST Public Safety Systems Canada Inc.
Location | Ottawa, Canada
Equity % | 100.00%

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- Definition The name of a subsidiary. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 17 -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_17_b_i&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 16 -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_16_b_i&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph 12 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_12_a&doctype=Standard -URIDate 2022-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph 19B -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_19B_a&doctype=Standard -URIDate 2022-03-24 + Details
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