Name:	laes_DistributionPerShareNumberOfTimesGreaterThanOrdinaryShares
Namespace Prefix:	laes_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the distributions per share.

No definition available.

Name:	laes_DistributionsPerShare
Namespace Prefix:	laes_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

Represents the dividends per share.

No definition available.

Name:	laes_DividendsPerShare
Namespace Prefix:	laes_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

Represents the number of times the dividend per F share exceeds the dividend per ordinary share, as specified in the Articles of Association.

No definition available.

Name:	laes_DividendsPerShareNumberOfTimesGreaterThanOrdinaryShares
Namespace Prefix:	laes_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the number of shares issuable in case of redemption.

No definition available.

Name:	laes_NumberOfSharesIssuableInCaseOfRedemption
Namespace Prefix:	laes_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Represents the number of votes per share.

No definition available.

Name:	laes_NumberOfVotesPerShare
Namespace Prefix:	laes_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the percentage of voting power.

No definition available.

Name:	laes_PercentageOfVotingPower
Namespace Prefix:	laes_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Represents the percentage of voting power required for present in person or represented by proxy.

No definition available.

Name:	laes_PercentageOfVotingPowerRequiredForPresentInPeronOrRepresentedByProxy
Namespace Prefix:	laes_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Represents the percentage of voting rights in an Fshareholding corporate entity whose acquisition by another party triggers the mandatory and automatic redemption of F shares by the Company under the Articles of Association.

No definition available.

Name:	laes_RedemptionOwnershipThresholdPercentage
Namespace Prefix:	laes_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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.

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