| Name | ActuarialAssumptionsMember |
|---|---|
| Namespace | http://xbrl.ifrs.org/taxonomy/2020-03-16/ifrs-full |
| Prefix | ifrs-full |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Actuarial assumptions [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for all actuarial assumptions. Actuarial assumptions are the entity’s unbiased and mutually compatible best estimates of the demographic and financial variables that will determine the ultimate cost of providing post-employment benefits. It also represents the standard value for the 'Actuarial assumptions' axis if no other member is used. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Pressupostos atuariais [member] | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Este membro representa todos os pressupostos atuariais. Os pressupostos atuariais são as melhores estimativas imparciais e mutuamente compatíveis da entidade das variáveis demográficas e financeiras que determinarão o custo final da concessão de benefícios pós-emprego. Além disso, representa o valor padrão do eixo "Pressupostos atuariais" caso não seja utilizado outro membro. | pt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | IAS | http://www.xbrl.org/2003/role/disclosureRef |
| Number | 19 | http://www.xbrl.org/2003/role/disclosureRef |
| IssueDate | 2020-01-01 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 145 | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_145&doctype=Standard | http://www.xbrl.org/2003/role/disclosureRef |
| URIDate | 2020-01-01 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
ifrs-full:ActuarialAssumptionOfDiscountRatesMember | domain-member | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480d | |
ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember | domain-member | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480d | |
ifrs-full:ActuarialAssumptionOfMedicalCostTrendRatesMember | domain-member | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480d | |
ifrs-full:ActuarialAssumptionOfExpectedRatesOfPensionIncreasesMember | domain-member | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480d | |
ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflationMember | domain-member | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480d | |
ifrs-full:ActuarialAssumptionOfMortalityRatesMember | domain-member | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480d | |
ifrs-full:ActuarialAssumptionOfRetirementAgeMember | domain-member | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480d | |
ifrs-full:ActuarialAssumptionOfLifeExpectancyAfterRetirementMember | domain-member | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480d | |
ifrs-full:OtherMaterialActuarialAssumptionsMember | domain-member | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480d | |
ifrs-full:ActuarialAssumptionOfDiscountRatesMember | parent-child | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480 | |
ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember | parent-child | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480 | |
ifrs-full:ActuarialAssumptionOfMedicalCostTrendRatesMember | parent-child | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480 | |
ifrs-full:ActuarialAssumptionOfExpectedRatesOfPensionIncreasesMember | parent-child | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480 | |
ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflationMember | parent-child | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480 | |
ifrs-full:ActuarialAssumptionOfMortalityRatesMember | parent-child | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480 | |
ifrs-full:ActuarialAssumptionOfRetirementAgeMember | parent-child | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480 | |
ifrs-full:ActuarialAssumptionOfLifeExpectancyAfterRetirementMember | parent-child | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480 | |
ifrs-full:OtherMaterialActuarialAssumptionsMember | parent-child | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480 |
| Name | Relation Type | Role | |
|---|---|---|---|
ifrs-full:ActuarialAssumptionsAxis | dimension-domain | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480d | |
ifrs-full:ActuarialAssumptionsAxis | dimension-default | http://www.esma.europa.eu/xbrl/role/cor/ifrs-dim_role-990000 | |
ifrs-full:ActuarialAssumptionsAxis | parent-child | http://www.esma.europa.eu/xbrl/role/all/ias_19_role-834480 |