XML 75 R63.htm IDEA: XBRL DOCUMENT
v3.26.1

Investments accounted for using the equity method - Summary of Key Items Which Have Not Been Audited (Details) - Associates and joint ventures - EUR (€) € in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
Disclosure of transactions between related parties [line items] |  |  |
Net sales and other revenues | € 2,657 | € 887 |
Net Income | (61) | 24 |
Other comprehensive income | 83 | (1) |
Comprehensive income | 22 | € 23 |
Non-current assets | 16,673 |  | € 15,013
Current assets | 2,925 |  | 2,859
Total assets | 19,598 |  | 17,872
Equity attributable to equity holders of OPAL JV Co | 5,958 |  | 5,380
Equity attributable to non-controlling interests | 436 |  | 490
Total equity | 6,394 |  | 5,870
Non-current liabilities | 11,575 |  | 9,850
Current liabilities | 1,629 |  | 2,152
Total liabilities | 13,204 |  | 12,002
Total equity and liabilities | € 19,598 |  | € 17,872

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Assets, Related Party Transactions + References No definition available. + Details
Name: | sny_AssetsRelatedPartyTransactions
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Comprehensive Income, Related Party Disclosures + References No definition available. + Details
Name: | sny_ComprehensiveIncomeRelatedPartyDisclosures
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Current assets, Related Party Transactions + References No definition available. + Details
Name: | sny_CurrentAssetsRelatedPartyTransactions
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Current Liabilities, Related Party Transactions + References No definition available. + Details
Name: | sny_CurrentLiabilitiesRelatedPartyTransactions
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Equity and Liabilities, Related Party Transactions + References No definition available. + Details
Name: | sny_EquityAndLiabilitiesRelatedPartyTransactions
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Equity Attributable to Equity Holders, Related Party Transactions + References No definition available. + Details
Name: | sny_EquityAttributableToEquityHoldersRelatedPartyTransactions
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Equity Attributable to Non Controlling Interest, Related Party Transactions + References No definition available. + Details
Name: | sny_EquityAttributableToNonControllingInterestRelatedPartyTransactions
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Equity, Related Party Transactions + References No definition available. + Details
Name: | sny_EquityRelatedPartyTransactions
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Liabilities, Related Party Transactions + References No definition available. + Details
Name: | sny_LiabilitiesRelatedPartyTransactions
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Net Income, Related Party Disclosures + References No definition available. + Details
Name: | sny_NetIncomeRelatedPartyDisclosures
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Net Sales and Other Revenues, Related Party Disclosures + References No definition available. + Details
Name: | sny_NetSalesAndOtherRevenuesRelatedPartyDisclosures
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Non Current assets, Related Party Transactions + References No definition available. + Details
Name: | sny_NonCurrentAssetsRelatedPartyTransactions
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Non Current Liabilities, Related Party Transactions + References No definition available. + Details
Name: | sny_NonCurrentLiabilitiesRelatedPartyTransactions
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Other Comprehensive Income, Related Party Disclosures + References No definition available. + Details
Name: | sny_OtherComprehensiveIncomeRelatedPartyDisclosures
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=sny_AssociatesAndJointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |