| r0.c0 | RuleNode_2/Group [member] | | | | ifrs-smes:ConsolidatedMember | N/A |
| r0.c1 | RuleNode_2/Company [member] | | | | ifrs-smes:SeparateMember | N/A |
| r1.c0 | Statement of financial position [abstract]/Group [member] | ifrs-smes:StatementOfFinancialPositionAbstract | xbrli:stringItemType | duration | ifrs-smes:ConsolidatedMember | N/A |
| r1.c1 | Statement of financial position [abstract]/Company [member] | ifrs-smes:StatementOfFinancialPositionAbstract | xbrli:stringItemType | duration | ifrs-smes:SeparateMember | N/A |
| r2.c0 | Assets [abstract]/Group [member] | ifrs-smes:AssetsAbstract | xbrli:stringItemType | duration | ifrs-smes:ConsolidatedMember | N/A |
| r2.c1 | Assets [abstract]/Company [member] | ifrs-smes:AssetsAbstract | xbrli:stringItemType | duration | ifrs-smes:SeparateMember | N/A |
| r3.c0 | Property, plant and equipment/Group [member] | ifrs-smes:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r3.c1 | Property, plant and equipment/Company [member] | ifrs-smes:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r4.c0 | Investment properties/Group [member] | ifrs-smes:InvestmentProperty | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r4.c1 | Investment properties/Company [member] | ifrs-smes:InvestmentProperty | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r5.c0 | Biological assets/Group [member] | ifrs-smes:BiologicalAssets | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r5.c1 | Biological assets/Company [member] | ifrs-smes:BiologicalAssets | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r6.c0 | Intangible assets/Group [member] | ifrs-smes:IntangibleAssetsAndGoodwill | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r6.c1 | Intangible assets/Company [member] | ifrs-smes:IntangibleAssetsAndGoodwill | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r7.c0 | Investments in subsidiaries/Group [member] | ssmt-mpers:InvestmentInSubisidiaries | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r7.c1 | Investments in subsidiaries/Company [member] | ssmt-mpers:InvestmentInSubisidiaries | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r8.c0 | Investments in associates/Group [member] | ifrs-smes:InvestmentsInAssociates | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r8.c1 | Investments in associates/Company [member] | ifrs-smes:InvestmentsInAssociates | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r9.c0 | Investments in joint ventures/Group [member] | ifrs-smes:InvestmentsInJointVentures | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r9.c1 | Investments in joint ventures/Company [member] | ifrs-smes:InvestmentsInJointVentures | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r10.c0 | Other investments/Group [member] | ssmt-mpers:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r10.c1 | Other investments/Company [member] | ssmt-mpers:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r11.c0 | Inventories/Group [member] | ifrs-smes:InventoriesTotal | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r11.c1 | Inventories/Company [member] | ifrs-smes:InventoriesTotal | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r12.c0 | Trade and other receivables/Group [member] | ifrs-smes:TradeAndOtherReceivables | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r12.c1 | Trade and other receivables/Company [member] | ifrs-smes:TradeAndOtherReceivables | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r13.c0 | Deferred tax assets/Group [member] | ifrs-smes:DeferredTaxAssets | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r13.c1 | Deferred tax assets/Company [member] | ifrs-smes:DeferredTaxAssets | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r14.c0 | Current tax assets/Group [member] | ifrs-smes:CurrentTaxAssets | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r14.c1 | Current tax assets/Company [member] | ifrs-smes:CurrentTaxAssets | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r15.c0 | Derivative financial assets/Group [member] | ssmt-mpers:DerivativeFinancialAssets | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r15.c1 | Derivative financial assets/Company [member] | ssmt-mpers:DerivativeFinancialAssets | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r16.c0 | Cash and cash equivalents/Group [member] | ifrs-smes:CashAndCashEquivalents | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r16.c1 | Cash and cash equivalents/Company [member] | ifrs-smes:CashAndCashEquivalents | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r17.c0 | Other assets/Group [member] | ssmt-mpers:OtherAssets | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r17.c1 | Other assets/Company [member] | ssmt-mpers:OtherAssets | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r18.c0 | Total assets/Group [member] | ifrs-smes:Assets | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r18.c1 | Total assets/Company [member] | ifrs-smes:Assets | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r19.c0 | Equity and liabilities [abstract]/Group [member] | ifrs-smes:EquityAndLiabilitiesAbstract | xbrli:stringItemType | duration | ifrs-smes:ConsolidatedMember | N/A |
| r19.c1 | Equity and liabilities [abstract]/Company [member] | ifrs-smes:EquityAndLiabilitiesAbstract | xbrli:stringItemType | duration | ifrs-smes:SeparateMember | N/A |
| r20.c0 | Equity [abstract]/Group [member] | ifrs-smes:EquityAbstract | xbrli:stringItemType | duration | ifrs-smes:ConsolidatedMember | N/A |
| r20.c1 | Equity [abstract]/Company [member] | ifrs-smes:EquityAbstract | xbrli:stringItemType | duration | ifrs-smes:SeparateMember | N/A |
| r21.c0 | Issued capital/Group [member] | ifrs-smes:IssuedCapital | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r21.c1 | Issued capital/Company [member] | ifrs-smes:IssuedCapital | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r22.c0 | Retained earnings/Group [member] | ifrs-smes:RetainedEarnings | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r22.c1 | Retained earnings/Company [member] | ifrs-smes:RetainedEarnings | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r23.c0 | Treasury shares/Group [member] | ifrs-smes:TreasuryShares | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r23.c1 | Treasury shares/Company [member] | ifrs-smes:TreasuryShares | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r24.c0 | Other reserves/Group [member] | ifrs-smes:OtherReserves | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r24.c1 | Other reserves/Company [member] | ifrs-smes:OtherReserves | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r25.c0 | Total equity attributable to owners of parent/Group [member] | ifrs-smes:EquityAttributableToOwnersOfParent | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r25.c1 | Total equity attributable to owners of parent/Company [member] | ifrs-smes:EquityAttributableToOwnersOfParent | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r26.c0 | Equity - others components/Group [member] | ssmt-mpers:OtherComponentsOfEquity | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r26.c1 | Equity - others components/Company [member] | ssmt-mpers:OtherComponentsOfEquity | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r27.c0 | Non-controlling interests/Group [member] | ifrs-smes:NoncontrollingInterests | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r27.c1 | Non-controlling interests/Company [member] | ifrs-smes:NoncontrollingInterests | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r28.c0 | Total equity/Group [member] | ifrs-smes:Equity | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r28.c1 | Total equity/Company [member] | ifrs-smes:Equity | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r29.c0 | Liabilities [abstract]/Group [member] | ifrs-smes:LiabilitiesAbstract | xbrli:stringItemType | duration | ifrs-smes:ConsolidatedMember | N/A |
| r29.c1 | Liabilities [abstract]/Company [member] | ifrs-smes:LiabilitiesAbstract | xbrli:stringItemType | duration | ifrs-smes:SeparateMember | N/A |
| r30.c0 | Loans and borrowings/Group [member] | ifrs-smes:Borrowings | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r30.c1 | Loans and borrowings/Company [member] | ifrs-smes:Borrowings | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r31.c0 | Employee benefits/Group [member] | ifrs-smes:ProvisionsForEmployeeBenefits | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r31.c1 | Employee benefits/Company [member] | ifrs-smes:ProvisionsForEmployeeBenefits | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r32.c0 | Deferred income/Group [member] | ssmt-mpers:DeferredIncome | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r32.c1 | Deferred income/Company [member] | ssmt-mpers:DeferredIncome | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r33.c0 | Provisions/Group [member] | ifrs-smes:Provisions | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r33.c1 | Provisions/Company [member] | ifrs-smes:Provisions | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r34.c0 | Deferred tax liabilities/Group [member] | ifrs-smes:DeferredTaxLiabilities | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r34.c1 | Deferred tax liabilities/Company [member] | ifrs-smes:DeferredTaxLiabilities | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r35.c0 | Trade and other payables/Group [member] | ifrs-smes:TradeAndOtherPayables | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r35.c1 | Trade and other payables/Company [member] | ifrs-smes:TradeAndOtherPayables | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r36.c0 | Current tax liabilities/Group [member] | ifrs-smes:CurrentTaxLiabilities | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r36.c1 | Current tax liabilities/Company [member] | ifrs-smes:CurrentTaxLiabilities | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r37.c0 | Derivative financial liabilities/Group [member] | ssmt-mpers:DerivativeFinancialLiabilities | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r37.c1 | Derivative financial liabilities/Company [member] | ssmt-mpers:DerivativeFinancialLiabilities | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r38.c0 | Other liabilities/Group [member] | ssmt-mpers:OtherLiabilities | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r38.c1 | Other liabilities/Company [member] | ssmt-mpers:OtherLiabilities | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r39.c0 | Total liabilities/Group [member] | ifrs-smes:Liabilities | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r39.c1 | Total liabilities/Company [member] | ifrs-smes:Liabilities | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |
| r40.c0 | Total equity and liabilities/Group [member] | ifrs-smes:EquityAndLiabilities | xbrli:monetaryItemType | instant | ifrs-smes:ConsolidatedMember | iso4217:MYR |
| r40.c1 | Total equity and liabilities/Company [member] | ifrs-smes:EquityAndLiabilities | xbrli:monetaryItemType | instant | ifrs-smes:SeparateMember | iso4217:MYR |