| Name | DividendsPaid |
|---|---|
| Namespace | http://xbrl.ifrs.org/taxonomy/2017-03-09/ifrs-full |
| Prefix | ifrs-full |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Dividends recognised as distributions to owners | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Dividends recognised as distributions to owners | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The amount of dividends recognised as distributions to owners. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Dividends paid | 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 dividend paid which refers to the distributions of profits to holders of equity investments in proportion to their holdings of a particular class of capital. | 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/2009/role/commonPracticeRef |
| Section | 15.114 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | MFRS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 101.97 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | MFRS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 118.35 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subsection | b | http://www.xbrl.org/2009/role/commonPracticeRef |
| Footnote | MFRS 118 will be superseded by MFRS 15 for periods beginning on or after 1 January 2018 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | MFRS | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 101.107 | 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 | 107 | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_107&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 | 9 | http://www.xbrl.org/2003/role/definitionRef |
| Footnote | MFRS 9 is applicable for annual periods beginning on or after 1 January 2018 | http://www.xbrl.org/2003/role/definitionRef |
| Name | MFRS | http://www.xbrl.org/2003/role/definitionRef |
| Section | 118.5 | http://www.xbrl.org/2003/role/definitionRef |
| Subsection | c | http://www.xbrl.org/2003/role/definitionRef |
| Footnote | MFRS 118 will be superseded by MFRS 15 for periods beginning on or after 1 January 2018; | http://www.xbrl.org/2003/role/definitionRef |
| Name | Relation Type | Role | |
|---|---|---|---|
ssmt-mfrs:ContributionsByAndDistributionsToOwnersAbstract | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000 | |
ifrs-full:ChangesInEquity | summation-item | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000 | |
ssmt-mfrs:ContributionsByAndDistributionsToOwnersAbstract | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000 |