Trade payables and other liabilities - Narrative (Details) - EUR (€) € in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure Of Trade And Other Liabilities [Line Items] | ||
| Trade payables and other current liabilities | € 17,076 | € 16,893 |
| Deferred consideration | 46 | 17 |
| Balance for deferred contingent consideration | 46 | € 1 |
| Maximum contractual amount of deferred consideration | 97 | |
| The Magnum Ice Cream Company | ||
| Disclosure Of Trade And Other Liabilities [Line Items] | ||
| Trade payables and other current liabilities | € 1,600 |