| Name | bs.eqLiab.equity.capRes.contractual |
|---|---|
| Namespace | http://www.xbrl.de/taxonomies/de-bra-2020-04-01 |
| Prefix | de-bra |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Eigenkapital, Rücklagen (gesamthänderisch gebunden), davon vertragsmäßige Rücklage | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| davon vertragsmäßige Rücklage | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| of which contractual reserve | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Equity, reserves (partnerships), of which contractual reserve | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | BMEL-Jahresabschluss, Anlage 1-7; PersG | http://www.xbrl.org/2003/role/reference |
| Subparagraph | III | http://www.xbrl.org/2003/role/reference |
| Clause | 1 | http://www.xbrl.org/2003/role/reference |
| LUF | true | http://www.xbrl.org/2003/role/reference |
| Paragraph | Code 1508 | http://www.xbrl.org/2003/role/reference |
| legalFormPG | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| typeOperatingResult | neutral | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| LUF | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| keineBranche | false | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
de-gaap-ci:bs.eqLiab.equity.reservesPartnership | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases | |
de-gaap-ci:bs.eqLiab.equity.reservesPartnership | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableBalanceSheetForProfitOrganisationsAndUtilities | |
de-gaap-ci:bs.eqLiab.equity.reservesPartnership | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |