| Name | CurrentNoncashgeneratingAssets |
|---|---|
| Namespace | http://xbrl.cipc.co.za/taxonomy/grap |
| Prefix | grap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Current non-cash-generating assets | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
ifrs-full:CurrentAssetsAbstract | parent-child | http://xbrl.cipc.co.za/taxonomy/role/210.000 | |
ifrs-full:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners | summation-item | http://xbrl.cipc.co.za/taxonomy/role/210.000 | |
cipc-ca:DimensionalQualificationForLineItemsLineItems | domain-member | http://xbrl.cipc.co.za/taxonomy/role/dimensions/999.999/DimensionalQualificationForLineItems |