| Name | nt.employeesAveragePeriod |
|---|---|
| Namespace | http://www.xbrl.de/taxonomies/de-gaap-ci-2021-04-14 |
| Prefix | de-gaap-ci |
| Data type | xbrli:decimalItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Durchschnittliche Zahl der Beschäftigten | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Einzelabschluss: § 285 Nr. 7 i.V.m. § 288 HGB; Konzernabschluss: § 314 Abs. 1 Nr. 4 HGB | de | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Average number of employees | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | HGB | http://www.xbrl.org/2003/role/reference |
| Paragraph | 285 | http://www.xbrl.org/2003/role/reference |
| Number | 7 | http://www.xbrl.org/2003/role/reference |
| Name | HGB | http://www.xbrl.org/2003/role/reference |
| Paragraph | 314 | http://www.xbrl.org/2003/role/reference |
| Subparagraph | 1 | http://www.xbrl.org/2003/role/reference |
| Number | 4 | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
de-gaap-ci:nt | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/notes |