Contingent liabilities and other financial commitments - Additional Information (Details) - EUR (€) € in Millions	Dec. 31, 2024	Dec. 31, 2023
Contingencies And Other Financial Commitments [Abstract]
Contractual obligation to acquire intangible assets	€ 1,193.1	€ 1,721.1

The amount of contractual commitments for the acquisition of intangible assets.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 38
-IssueDate 2024-01-01
-Paragraph 122
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_122_e&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_ContractualCommitmentsForAcquisitionOfIntangibleAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant