XML 230 R173.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Provisions, income tax liabilities and other liabilities - Fair Value of Plans Assets relating to Pension Plans and Other Post-employment Plans (Details) | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Disclosure of fair value of plan assets [line items] |  |  |
Securities quoted in an active market | 63.10% | 84.90% | 84.40%
Other securities | 36.90% | 15.10% | 15.60%
Total | 100.00% | 100.00% | 100.00%
Cash and cash equivalents |  |  |
Disclosure of fair value of plan assets [line items] |  |  |
Securities quoted in an active market | 0.80% | 0.80% | 0.70%
Equity instruments |  |  |
Disclosure of fair value of plan assets [line items] |  |  |
Securities quoted in an active market | 19.30% | 22.30% | 21.70%
Bonds and similar instruments |  |  |
Disclosure of fair value of plan assets [line items] |  |  |
Securities quoted in an active market | 35.80% | 54.30% | 52.40%
Real estate |  |  |
Disclosure of fair value of plan assets [line items] |  |  |
Securities quoted in an active market | 2.90% | 3.40% | 4.00%
Derivatives |  |  |
Disclosure of fair value of plan assets [line items] |  |  |
Securities quoted in an active market | (0.20%) | 0.00% | 0.10%
Commodities |  |  |
Disclosure of fair value of plan assets [line items] |  |  |
Securities quoted in an active market | 1.10% | 0.90% | 0.90%
Other |  |  |
Disclosure of fair value of plan assets [line items] |  |  |
Securities quoted in an active market | 3.40% | 3.20% | 4.60%
Hedge funds |  |  |
Disclosure of fair value of plan assets [line items] |  |  |
Other securities | 0.00% | 0.00% | 0.00%
Insurance policies |  |  |
Disclosure of fair value of plan assets [line items] |  |  |
Other securities | 36.90% | 15.10% | 15.60%

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

X
- Definition Percentage contributed to fair value of plan assets. + References No definition available. + Details
Name: | sny_PercentageContributedToFairValueOfPlanAssets
Namespace Prefix: | sny_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage Contributed To Fair Value Of Plan Assets, Other Securities + References No definition available. + Details
Name: | sny_PercentageContributedToFairValueOfPlanAssetsOtherSecurities
Namespace Prefix: | sny_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage Contributed To Fair Value Of Plan Assets, Securities Quoted In An Active Market + References No definition available. + Details
Name: | sny_PercentageContributedToFairValueOfPlanAssetsSecuritiesQuotedInAnActiveMarket
Namespace Prefix: | sny_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=sny_CashAndCashEquivalents1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=sny_EquityInstrumentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=sny_BondsAndSimilarInstrumentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=sny_RealEstate1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=ifrs-full_DerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=sny_CommoditiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=ifrs-full_OtherAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=sny_HedgeFunds1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=sny_InsurancePoliciesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |