XML 246 R202.htm IDEA: XBRL DOCUMENT
v3.22.4

Restructuring costs and similar items - Additional Information (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Analysis of income and expense [abstract] |  |  |
Increase in employee-related expenses | € 507 |  |
Employee-related expenses | € 507 | € 193 | € 697

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

X
- Definition Employee related expenses. + References No definition available. + Details
Name: | sny_ExpenseOfRestructuringActivitiesEmployeeRelatedExpenses
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase (Decrease) In Expense Of Restructuring Activities, Employee Related Expenses + References No definition available. + Details
Name: | sny_IncreaseDecreaseInExpenseOfRestructuringActivitiesEmployeeRelatedExpenses
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration