| r0.c0 | RuleNode_54/Group [member] | | | | ifrs-full:ConsolidatedMember | N/A |
| r0.c1 | RuleNode_54/Company [member] | | | | ifrs-full:SeparateMember | N/A |
| r1.c0 | Biological assets [abstract]/Group [member] | ssmt-mfrs:BiologicalAssetsAbstract | xbrli:stringItemType | duration | ifrs-full:ConsolidatedMember | N/A |
| r1.c1 | Biological assets [abstract]/Company [member] | ssmt-mfrs:BiologicalAssetsAbstract | xbrli:stringItemType | duration | ifrs-full:SeparateMember | N/A |
| r2.c0 | Consumable biological assets/Group [member] | ssmt-mfrs:ConsumableBiologicalAssets | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r2.c1 | Consumable biological assets/Company [member] | ssmt-mfrs:ConsumableBiologicalAssets | xbrli:monetaryItemType | instant | ifrs-full:SeparateMember | iso4217:MYR |
| r3.c0 | Bearer biological assets/Group [member] | ssmt-mfrs:BearerBiologicalAssets | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r3.c1 | Bearer biological assets/Company [member] | ssmt-mfrs:BearerBiologicalAssets | xbrli:monetaryItemType | instant | ifrs-full:SeparateMember | iso4217:MYR |
| r4.c0 | Total biological assets/Group [member] | ifrs-full:BiologicalAssets | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | iso4217:MYR |
| r4.c1 | Total biological assets/Company [member] | ifrs-full:BiologicalAssets | xbrli:monetaryItemType | instant | ifrs-full:SeparateMember | iso4217:MYR |