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Other gains and losses, and litigation (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023		Dec. 31, 2022
Analysis of income and expense [abstract]
Other gains, (losses) and litigation	€ 470	€ 196	[1]	€ 143	[1]
[1] Figures for comparative periods (2023 and 2022) have been re-presented on a consistent basis to reflect the classification of Opella as a discontinued operation

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The line item other gains and losses, and litigation includes the impact of material transactions of an unusual nature or amount. [note B.20.2.]

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