| Name | DAEBNonDAEBActivitiesMember |
|---|---|
| Namespace | http://www.nltaxonomie.nl/nt12/bzk/20171213/dictionary/bzk-ti-domains |
| Prefix | bzk-ti-dm |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | sbr:domainMemberItem |
| Balance | None |
| Nillable | False |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| DAWI- und Nicht-DAWI-Aktivitäten [Mitglied] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| DAEB and non-DAEB activities [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Activités SIEG et non-SIEG [membre] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| DAEB en niet-DAEB activiteiten [member] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Gesamtbetrag von DAWI- und Nicht-DAWI-Aktivitäten | de | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total of DAEB and non-DAEB activities | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total des activités SIEG et non-SIEG | fr | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Totaal van DAEB en niet-DAEB activiteiten | nl | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Chapter | 645 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2017-01-01 | http://www.xbrl.org/2003/role/reference |
| Name | Richtlijnen voor de jaarverslaggeving | http://www.xbrl.org/2003/role/reference |
| Paragraph | 301 | http://www.xbrl.org/2003/role/reference |
| Article | 15 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2017-01-28 | http://www.xbrl.org/2003/role/reference |
| Name | Regeling toegelaten instellingen volkshuisvesting 2015 | http://www.xbrl.org/2003/role/reference |
| Paragraph | 2 | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
bzk-ti-abstr:Section3_1Title | parent-child | urn:bzk-ti:linkrole:balance-sheet-income-statement-cash-flow | |
bzk-ti-abstr:Section3_2Title | parent-child | urn:bzk-ti:linkrole:notes-balance-sheet-income-statement |