Audit fees - Summary of audit and non-audit services (Details) - EUR (€) € in Millions |
12 Months Ended | ||
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Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Fees of Group's auditor | |||
| Audit fees | € 32 | € 33 | € 29 |
| Audit related fees | 4 | 4 | 1 |
| Total | € 36 | € 37 | € 30 |
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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