XML 204 R158.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Debt, cash and cash equivalents and lease liabilities - Summary of Market Value of Net Debt (Details) - EUR (€) € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of detailed information about borrowings [line items] |  |  |  |
Total debt | € 16,531 | € 19,218 | € 20,250 | € 22,631
Market value |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Total debt | 7,086 | 5,227 | 11,024 |
Value on redemption |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Total debt | 16,573 | 19,273 | 20,314 |
Total debt at redemption | € 7,835 | € 6,492 | € 10,047 |

X
- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_Borrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Redemption of debt instrument issued. + References No definition available. + Details
Name: | sny_RedemptionOfDebtInstrumentIssued
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_MeasurementAxis=sny_AtMarketValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MeasurementAxis=sny_ValueOnRedemptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |