Contingent liabilities and other financial commitments - Additional Information (Details) - EUR (€) € in Millions	Dec. 31, 2025	Dec. 31, 2024
Contingencies And Other Financial Commitments [Abstract]
Contractual obligation to acquire intangible assets	€ 851.2	€ 1,193.1

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
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Name:	ifrs-full_ContractualCommitmentsForAcquisitionOfIntangibleAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant