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Consolidated shareholders’ equity - Summary of Expenses (Details) - Employees share ownership plan - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of classes of share capital [line items] |  |  |
Expense recognized | € 52 | € 39 | € 51
Expense recognized of which employers' contribution | € 12 | € 11 | € 11

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of expense arising from equity-settled share-based payment transactions in which the goods or services received did not qualify for recognition as assets. [Refer: Expense from share-based payment transactions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 51 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_51_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition Expense recognized in equity. + References No definition available. + Details
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- Details
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