| Name | ConstructionContractsLiabilitiesMember |
|---|---|
| Namespace | http://www.nltaxonomie.nl/nt12/rj/20171213/dictionary/rj-domains |
| Prefix | rj-dm |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | sbr:domainMemberItem |
| Balance | None |
| Nillable | False |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Laufende Projekte im Auftrag von Dritten (Passiva) [Mitglied] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Construction contracts (liabilities) [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Projets en cours pour le compte de tiers (passifs) [membre] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Onderhanden projecten in opdracht van derden (passiva) [member] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Laufende Projekte im Auftrag von Dritten | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Construction contracts | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Projets en cours pour le compte de tiers | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Onderhanden projecten in opdracht van derden | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Schulden im Rahmen von laufenden Projekten | de | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Liabilities from construction contracts | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Dettes au titre de projets en cours | fr | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Schulden uit hoofde van onderhanden projecten | nl | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Chapter | 221 | 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 | 409 | http://www.xbrl.org/2003/role/reference |
| Chapter | 221 | 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 | 410 | http://www.xbrl.org/2003/role/reference |
| Chapter | 221 | 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 | 417 | http://www.xbrl.org/2003/role/reference |
| Chapter | B5 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2017-01-01 | http://www.xbrl.org/2003/role/reference |
| Name | Richtlijnen voor de jaarverslaggeving voor kleine rechtspersonen | http://www.xbrl.org/2003/role/reference |
| Paragraph | 322 | http://www.xbrl.org/2003/role/reference |
| Chapter | B5 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2017-01-01 | http://www.xbrl.org/2003/role/reference |
| Name | Richtlijnen voor de jaarverslaggeving voor kleine rechtspersonen | http://www.xbrl.org/2003/role/reference |
| Paragraph | 323 | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
rj-i:ConstructionContractsLiabilities | ConceptMemberEquivalence | http://www.xbrl.org/2008/role/link | |
rj-abstr:AnnualReportingGuidelines221Title | parent-child | urn:rj:linkrole:annual-reporting-guidelines-221 |