| Name | NumberOfSharesOutstanding |
|---|---|
| Namespace | http://xbrl.ifrs.org/taxonomy/2017-03-09/ifrs-full |
| Prefix | ifrs-full |
| Data type | xbrli:sharesItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Number of shares outstanding | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Number of shares outstanding at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Number of shares outstanding at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Report the value, as at the reporting date, the sum of shares outstanding at the beginning of the period. | en | http://xbrl.ssm.com.my/role/ssm/fs/mfrs/lab_rol_ssmt-fs-mfrs_2017-12-31/ReportingDocumentationPeriodStartLabel | http://www.xbrl.org/2003/role/link |
| Report the value, as at the reporting date, the sum of shares outstanding at the end of period. | en | http://xbrl.ssm.com.my/role/ssm/fs/mfrs/lab_rol_ssmt-fs-mfrs_2017-12-31/ReportingDocumentationPeriodEndLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | MFRS | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 107.20 | http://www.xbrl.org/2003/role/disclosureRef |
| Subsection | b | http://www.xbrl.org/2003/role/disclosureRef |
| Name | MFRS | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 101.79 | http://www.xbrl.org/2003/role/disclosureRef |
| Subsection | a | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | iv | http://www.xbrl.org/2003/role/disclosureRef |
| Name | IAS | http://www.xbrl.org/2003/role/disclosureRef |
| Number | 1 | http://www.xbrl.org/2003/role/disclosureRef |
| IssueDate | 2017-01-01 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 79 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | a | http://www.xbrl.org/2003/role/disclosureRef |
| Clause | iv | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_79_a_iv&doctype=Standard | http://www.xbrl.org/2003/role/disclosureRef |
| URIDate | 2017-03-09 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | MFRS | http://www.xbrl.org/2003/role/definitionRef |
| Section | 136.6 | http://www.xbrl.org/2003/role/definitionRef |
| Name | Relation Type | Role | |
|---|---|---|---|
ssmt-mfrs:NumberOfSharesOutstandingAbstract | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-740000 | |
ssmt-mfrs:NumberOfSharesOutstandingAbstract | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-740000 | |
ssmt-mfrs:NumberOfSharesOutstandingAbstract | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-740000 | |
ssmt-mfrs:NumberOfSharesOutstandingAbstract | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-740000 |