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v3.22.4

Segment information - Additional Information (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 segment | Dec. 31, 2021 shares | May 29, 2020 shares
Disclosure of operating segments [line items] |  |  |
Number of operating segments | segment | 3 |  |
Regeneron |  |  |
Disclosure of operating segments [line items] |  |  |
Non-current financial assets, number of shares (in shares) | shares |  | 279,766 | 400,000

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- Details
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