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Employee benefit plans - Narrative (Details) - EUR (€) € in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Employee benefits [Abstract] |  |
Non-current provisions for employee benefits | € 4 | € 3

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- Definition Employee benefits + References No definition available. + Details
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- Definition The amount of non-current provisions for employee benefits. [Refer: Provisions for employee benefits] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 78 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_78_d&doctype=Standard -URIDate 2024-03-27 + Details
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