| Name | nt.isInfo.segmentsOfSales |
|---|---|
| Namespace | http://www.xbrl.de/taxonomies/de-gaap-ci-2021-04-14 |
| Prefix | de-gaap-ci |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Aufteilung der Umsatzerlöse nach Tätigkeitsbereichen und geogr. best. Märkten | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Einzelabschluss: § 285 Nr. 4 i.V.m. §§ 288, 286 Abs. 2 HGB; Konzernabschluss: § 314 Abs. 1 Nr. 3, Abs. 2 HGB | de | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Analysis of sales by areas of activity and geographically defined markets | 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 | 4 | 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 | 3 | http://www.xbrl.org/2003/role/reference |
| Name | HGB | http://www.xbrl.org/2003/role/reference |
| Paragraph | 286 | http://www.xbrl.org/2003/role/reference |
| Subparagraph | 2 | 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 | 2 | http://www.xbrl.org/2003/role/reference |
| Name | HGB | http://www.xbrl.org/2003/role/reference |
| Paragraph | 288 | http://www.xbrl.org/2003/role/reference |