Related parties - Summary of key management personnel compensation (Supervisory Board) (Details) - EUR (€)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Disclosure of key management personnel compensation [Line Items]
Total compensation	€ 18,008,000	€ 17,567,000
Supervisory Board
Disclosure of key management personnel compensation [Line Items]
Total compensation	€ 1,048	€ 994

The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 17
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_KeyManagementPersonnelCompensation
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration