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v3.23.2

Property, Plant and Equipment - Additional Information (Details) € in Millions | 6 Months Ended
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Jun. 30, 2023 EUR (€)
Property, plant and equipment [abstract] |
Firm orders of property, plant and equipment | € 795

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

X
- Definition Firm orders of property plant and equipment. + References No definition available. + Details
Name: | sny_FirmOrdersOfPropertyPlantAndEquipment
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration