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v3.24.2.u1

Segment Reporting - Reconciliation of Segment Information to Income Before Provision for Income Taxes (Parenthetical) (Detail) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2024
Segment Reporting Information [Line Items] |  |
Pre tax charge | $ 3,500,000 |
Asia [Member] | Criminal Social Engineering Scheme [Member] |  |
Segment Reporting Information [Line Items] |  |
Pre tax charge | $ 3,500,000 | $ 3,500,000

X
- Definition Pre tax charge. + References No definition available. + Details
Name: | scl_PreTaxCharge
Namespace Prefix: | scl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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 No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=srt_AsiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=scl_CriminalSocialEngineeringSchemeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |