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Financial expenses and income (Details) - EUR (€) € in Millions | 6 Months Ended
--- | ---
Jun. 30, 2026 | Jun. 30, 2025
Disclosure of detailed information about finance income expense [Line Items] |  |
Cost of debt | € (253) | € (219)
Interest income | 118 | 162
Cost of net debt | (135) | (57)
Non-operating foreign exchange gains/(losses) | (3) | 1
Unwinding of discounting of provisions | (21) | (22)
Net interest cost related to employee benefits | (27) | (37)
Impairment losses on financial assets, net of reversals | (1) | 0
Net interest expense on lease liabilities | (26) | (22)
Other | (115) | (40)
Net financial income/(expenses) | (328) | (177)
Financial expenses | (465) | (361)
Financial income | 137 | 184
Liability recognised for estimated future royalties | (146) | (50)
Interest rate and currency derivatives used to hedge debt |  |
Disclosure of detailed information about finance income expense [Line Items] |  |
Gain on derivatives used to manage debt | 12 | (25)
Gain on derivatives used to manage cash and cash equivalents | € 6 | € (4)

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- Details
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