| Name | RealisedRetailedEarningsOfAssociates |
|---|---|
| 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 | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Realised retained earnings of associates | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Realised | en | http://xbrl.ssm.com.my/role/ssm/fs/mfrs/lab_rol_ssmt-fs-mfrs_2017-12-31/ReportingLabel | http://www.xbrl.org/2003/role/link |
| Report the value, for the reporting period, of the total retained earnings realised for the associates. | en | http://xbrl.ssm.com.my/role/ssm/fs/mfrs/lab_rol_ssmt-fs-mfrs_2017-12-31/ReportingDocumentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | MFRS | http://www.xbrl.org/2003/role/definitionRef |
| Section | 201.15-24 | http://www.xbrl.org/2003/role/definitionRef |
| Footnote | Transitioning Entities that have in the alternative chosen to apply FRSs shall comply with MFRSs for annual periods beginning on or after 1 January 2018 | http://www.xbrl.org/2003/role/definitionRef |
| Name | MFRS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 107.20 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subsection | a | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | MFRS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 101.78 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subsection | e | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | MFRS | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 101.108 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
ssmt-mfrs:RetainedEarningsOfAssociatesAbstract | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-760000 | |
ssmt-mfrs:RetainedEarningsOfAssociatesAbstract | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-760000 |