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Other operating income (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Other Operating Income [Line Items] |  |  |  |  |
Other operating income | € 1,089 | € 979 | [1] | € 1,814 | [1]
Other operating income (expense) |  |  |  |  |
Disclosure Of Other Operating Income [Line Items] |  |  |  |  |
Gains on divestment of some mature products | 539 | 484 |  | 481 |
Regeneron | Other operating income (expense) |  |  |  |  |
Disclosure Of Other Operating Income [Line Items] |  |  |  |  |
Other operating income | 166 | 227 |  | 1,147 |
Other related parties | Other operating income (expense) |  |  |  |  |
Disclosure Of Other Operating Income [Line Items] |  |  |  |  |
Other operating income | € 221 | € 285 |  | € 1,179 |
[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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- Definition The amount of miscellaneous other operating income. [Refer: Other operating income (expense)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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