| Name | CurrentTradeReceivablesDueFromHoldingCompany |
|---|---|
| Namespace | http://xbrl.ssm.com.my/taxonomy/2017-12-31/ssmt-mfrs-cor |
| Prefix | ssmt-mfrs |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Report the value, as at the reporting date, the aggregate current amounts billed by the reporting entity to its holding company when it delivers goods or services in the ordinary course of business. | en | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-mfrs-cor_2017-12-31/ReportingDocumentation | http://www.xbrl.org/2003/role/link |
| Current trade receivables due from holding company | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |