| r0.c0 | RuleNode_28/Group [member] | | | | ifrs-smes:ConsolidatedMember | N/A |
| r0.c1 | RuleNode_28/Company [member] | | | | ifrs-smes:SeparateMember | N/A |
| r1.c0 | Investment properties [abstract]/Group [member] | ssmt-mpers:InvestmentPropertyAbstract | xbrli:stringItemType | duration | ifrs-smes:ConsolidatedMember | N/A |
| r1.c1 | Investment properties [abstract]/Company [member] | ssmt-mpers:InvestmentPropertyAbstract | xbrli:stringItemType | duration | ifrs-smes:SeparateMember | N/A |
| r2.c0 | Freehold land/Group [member] | ssmt-mpers:InvestmentPropertyFreeholdLandAndBuilding | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r2.c1 | Freehold land/Company [member] | ssmt-mpers:InvestmentPropertyFreeholdLandAndBuilding | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r3.c0 | Long term leasehold land/Group [member] | ssmt-mpers:InvestmentPropertyLongtermLeaseholdLand | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r3.c1 | Long term leasehold land/Company [member] | ssmt-mpers:InvestmentPropertyLongtermLeaseholdLand | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r4.c0 | Short term leasehold land/Group [member] | ssmt-mpers:InvestmentPropertyShorttermLeaseholdLand | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r4.c1 | Short term leasehold land/Company [member] | ssmt-mpers:InvestmentPropertyShorttermLeaseholdLand | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r5.c0 | Buildings/Group [member] | ssmt-mpers:InvestmentPropertyBuildingUnderConstruction | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r5.c1 | Buildings/Company [member] | ssmt-mpers:InvestmentPropertyBuildingUnderConstruction | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r6.c0 | Other investment property/Group [member] | ssmt-mpers:OtherInvestmentProperty | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r6.c1 | Other investment property/Company [member] | ssmt-mpers:OtherInvestmentProperty | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r7.c0 | Total investment properties/Group [member] | ifrs-smes:InvestmentProperty | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r7.c1 | Total investment properties/Company [member] | ifrs-smes:InvestmentProperty | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |