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v3.23.2

Segment Information - Additional Information (Details) - segment | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Disclosure of operating segments [abstract] |  |
Number of operating segments | 2 | 3

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- References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Number of operating segments. + References No definition available. + Details
Name: | sny_NumberOfOperatingSegments
Namespace Prefix: | sny_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration