| r0.c0 | Brand names/Current | ifrs-full:BrandNames | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r0.c1 | Brand names/Previous | ifrs-full:BrandNames | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r1.c0 | Intangible exploration and evaluation assets/Current | ifrs-full:IntangibleExplorationAndEvaluationAssets | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r1.c1 | Intangible exploration and evaluation assets/Previous | ifrs-full:IntangibleExplorationAndEvaluationAssets | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r2.c0 | Mastheads and publishing titles/Current | ifrs-full:MastheadsAndPublishingTitles | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r2.c1 | Mastheads and publishing titles/Previous | ifrs-full:MastheadsAndPublishingTitles | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r3.c0 | Computer software/Current | ifrs-full:ComputerSoftware | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r3.c1 | Computer software/Previous | ifrs-full:ComputerSoftware | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r4.c0 | Licences and franchises/Current | ifrs-full:LicencesAndFranchises | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r4.c1 | Licences and franchises/Previous | ifrs-full:LicencesAndFranchises | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r5.c0 | Copyrights, patents and other industrial property rights, service and operating rights/Current | ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRights | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r5.c1 | Copyrights, patents and other industrial property rights, service and operating rights/Previous | ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRights | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r6.c0 | Recipes, formulae, models, designs and prototypes/Current | ifrs-full:RecipesFormulaeModelsDesignsAndPrototypes | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r6.c1 | Recipes, formulae, models, designs and prototypes/Previous | ifrs-full:RecipesFormulaeModelsDesignsAndPrototypes | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r7.c0 | Intangible assets under development/Current | ifrs-full:IntangibleAssetsUnderDevelopment | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r7.c1 | Intangible assets under development/Previous | ifrs-full:IntangibleAssetsUnderDevelopment | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r8.c0 | Other intangible assets/Current | ifrs-full:OtherIntangibleAssets | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r8.c1 | Other intangible assets/Previous | ifrs-full:OtherIntangibleAssets | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r9.c0 | Intangible assets other than goodwill/Current | ifrs-full:IntangibleAssetsOtherThanGoodwill | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r9.c1 | Intangible assets other than goodwill/Previous | ifrs-full:IntangibleAssetsOtherThanGoodwill | xbrli:monetaryItemType | instant | ifrs-full:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |