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Related Parties Disclosure - Schedule of Subsidiary/Parent Ownership Interest (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
WISeKey Semiconductors SAS
Related Party Transaction [Line Items]
Country of incorporation	France
Country of incorporation	2010
Share capital	$ 1,473,162
% ownership	100.00%	100.00%
Nature of business	Chip manufacturing, sales & distribution
WISeKey IoT Japan KK
Related Party Transaction [Line Items]
Country of incorporation	Japan
Country of incorporation	2017
Share capital	$ 1,000,000
% ownership	100.00%	100.00%
Nature of business	Sales & distribution
WISeKey IoT Taiwan
Related Party Transaction [Line Items]
Country of incorporation	Taiwan
Country of incorporation	2017
Share capital	$ 100,000
% ownership	100.00%	100.00%
Nature of business	Sales & distribution

X

- Definition

% ownership

+ References

No definition available.

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- Definition

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+ References

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- Definition

Country of incorporation.

+ References

No definition available.

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- Definition

Nature of business.

+ References

No definition available.

+ Details

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- Definition

Value of entity shares held by subsidiary, which are purchased for the purpose of granting the shares to senior employees as part of an employee stock option plan approved by the Entity's Board of Directors. Presented as a reduction of shareholders' equity at their cost to the subsidiary.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

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- Details

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