XML 186 R140.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Consolidated shareholders’ equity - Summary of Repurchases Program (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
2023 |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares (in shares) | 2,584,540 |  |
Value | € 230 |  |
2022 |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares (in shares) | 4,000,204 | 1,510,000 |
Value | € 363 | € 137 |
2021 |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares (in shares) |  | 3,976,992 | 2,765,388
Value |  | € 360 | € 242
2020 |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares (in shares) |  |  | 1,758,569
Value |  |  | € 140

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

X
- Definition Amount of shares repurchased. + References No definition available. + Details
Name: | sny_AmountOfSharesRepurchased
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of shares repurchased. + References No definition available. + Details
Name: | sny_NumberOfSharesRepurchased
Namespace Prefix: | sny_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | sny_AwardsDateAxis=sny_ShareRepurchase2023ProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sny_AwardsDateAxis=sny_ShareRepurchase2022ProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sny_AwardsDateAxis=sny_ShareRepurchase2021ProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sny_AwardsDateAxis=sny_ShareRepurchase2020ProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |