| Name | bs.eqLiab.equity.statutoryBoundCapital.finalPrev |
|---|---|
| Namespace | http://www.xbrl.de/taxonomies/de-gaap-ci-2021-04-14 |
| Prefix | de-gaap-ci |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Nutzungsgebundenes Kapital ( Eigenkapitalausweis), des letzten Stichtags | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| des letzten Stichtags | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Statutory bound capital (reported in equity), final in prior report | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Final in prior report | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| legalFormKSt | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| typeOperatingResult | neutral | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |