| r0.c0 | RuleNode_50/Group [member] | | | | ifrs-smes:ConsolidatedMember | N/A |
| r0.c1 | RuleNode_50/Company [member] | | | | ifrs-smes:SeparateMember | N/A |
| r1.c0 | Investments in subsidiaries [abstract]/Group [member] | ssmt-mpers:InvestmentsInSubsidiariesAbstract | xbrli:stringItemType | duration | ifrs-smes:ConsolidatedMember | N/A |
| r1.c1 | Investments in subsidiaries [abstract]/Company [member] | ssmt-mpers:InvestmentsInSubsidiariesAbstract | xbrli:stringItemType | duration | ifrs-smes:SeparateMember | N/A |
| r2.c0 | Unquoted shares, net of impairment losses/Group [member] | ssmt-mpers:InvestmentsInSubsidiariesUnquotedSharesNetOfImpairmentLosses | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r2.c1 | Unquoted shares, net of impairment losses/Company [member] | ssmt-mpers:InvestmentsInSubsidiariesUnquotedSharesNetOfImpairmentLosses | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r3.c0 | Quoted shares in Malaysia/Group [member] | ssmt-mpers:InvestmentInSubsidiariesQuotedSharesInMalaysia | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r3.c1 | Quoted shares in Malaysia/Company [member] | ssmt-mpers:InvestmentInSubsidiariesQuotedSharesInMalaysia | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r4.c0 | Quoted shares outside Malaysia/Group [member] | ssmt-mpers:InvestmentInSubsidiariesQuotedSharesOutsideMalaysia | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r4.c1 | Quoted shares outside Malaysia/Company [member] | ssmt-mpers:InvestmentInSubsidiariesQuotedSharesOutsideMalaysia | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r5.c0 | Other investments in subsidiaries/Group [member] | ssmt-mpers:InvestmentsInSubsidiariesOtherInvestmentsNetOfImpairmentLosses | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r5.c1 | Other investments in subsidiaries/Company [member] | ssmt-mpers:InvestmentsInSubsidiariesOtherInvestmentsNetOfImpairmentLosses | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r6.c0 | Total investment in subsidiaries/Group [member] | ssmt-mpers:InvestmentInSubisidiaries | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r6.c1 | Total investment in subsidiaries/Company [member] | ssmt-mpers:InvestmentInSubisidiaries | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |