| Name | ContributionsToSubsidiariesNetOfImpairmentLosses |
|---|---|
| Namespace | http://xbrl.ssm.com.my/taxonomy/2017-12-31/ssmt-mpers-cor |
| Prefix | ssmt-mpers |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Contributions to subsidiaries, net of impairment losses | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Report the value, as at the reporting date, the aggregate of contributions to subsidiaries which are amounts that entity does not expect repayment in the foreseeable future and are considered as part of the entity’s investment in the subsidiaries. | en | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-mpers-cor_2017-12-31/ReportingDocumentation | http://www.xbrl.org/2003/role/link |