Other non-current assets (Details) - EUR (€) € in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure Of Other Non Current Assets [Line Items] | ||
| Other financial assets at fair value through profit or loss | € 1,099 | € 1,004 |
| Pre-funded pension obligations | 203 | 194 |
| Long-term prepaid expenses | 185 | 175 |
| Long-term loans and advances and other non-current receivables | 421 | 393 |
| Derivative financial instruments | 26 | 9 |
| Other non-current assets | 4,732 | 4,364 |
| Trading equity securities | ||
| Disclosure Of Other Non Current Assets [Line Items] | ||
| Instruments at fair value through other comprehensive income | 2,435 | 2,200 |
| Debt securities | ||
| Disclosure Of Other Non Current Assets [Line Items] | ||
| Instruments at fair value through other comprehensive income | € 363 | € 389 |