Recent Accounting Pronouncements - Additional Information (Details)	9 Months Ended
Sep. 30, 2024 Country
Accounting Changes and Error Corrections [Abstract]
Percentage of global minimum tax on reported profits	15.00%
Number of countries	100

Percentage of global minimum tax on reported profits.

No definition available.

Name:	scl_PercentageOfGlobalMinimumTaxOnReportedProfits
Namespace Prefix:	scl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration