| Type | including |
|---|---|
| Role | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-ar1_2017-12-31/ssmt-ar1_2017-12-31_role-700000 |
| Type | Element |
|---|---|
| Hypercube | ssmt:ParticularsOfShareholdingAnalysisTable |
| Explicit | ssmt:ClassificationOfShareholdingAxis |
| Member | ssmt:ShareholdingMember |
| Member | ssmt:CitizensWhoAreMalaysAndNativesMember |
| Member | ssmt:CitizensWhoAreNonMalaysAndNonNativesMember |
| Member | ssmt:NonCitizensMember |
| Member | ssmt:BodiesCorporateControlledByCitizensWhoAreMalaysAndNativesMember |
| Member | ssmt:BodiesCorporateControlledByCitizensWhoAreNonMalaysAndNonNativesMember |
| Member | ssmt:BodiesCorporateControlledByNonCitizensMember |
| Label/QName |
|---|
ssmt:ParticularsOfShareholdingAnalysisAbstract |
ssmt:DisclosureOfShareholdingAnalysisExplanatory |
ssmt:ParticularsOfShareholdingAnalysisLineItems |
ssmt:NumberOfSharesHeld |
ssmt:PercentageOfShareholdingHeld |