| Name | nt.segmBusiness.profit.incomeTax |
|---|---|
| Namespace | http://www.xbrl.de/taxonomies/de-gaap-ci-2021-04-14 |
| Prefix | de-gaap-ci |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Dem Segmentergebnis des Tätigkeitsbereichs zuordenbarer Ertragsteueraufwand oder -ertrag | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ertragsteueraufwand oder -ertrag | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Income tax | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Income tax expenses or income according to business acitvity result | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | DRS 3 | http://www.xbrl.org/2003/role/reference |
| Paragraph | 33 | http://www.xbrl.org/2003/role/reference |
| Name | DRS 28 | http://www.xbrl.org/2003/role/reference |
| Number | f) | http://www.xbrl.org/2003/role/reference |
| Paragraph | 35 | http://www.xbrl.org/2003/role/reference |