XML 248 R191.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Off balance sheet commitments - Summary of Off Balance Sheet Commitments Relating to Operating Activities (Details) € in Millions, $ in Billions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2024 EUR (€) | Dec. 31, 2023 EUR (€)
Disclosure Of Off Balance Sheet Commitments [Line Items] |  |  |  |  |  |
Leases with a term of less than 12 months, low value asset leases and lease contracts committed but not yet commenced |  |  |  | € 554 | [1] | € 221
Irrevocable purchase commitments given | [2] |  |  | 3,683 |  |
Irrevocable purchase commitments received |  |  |  | (391) |  |
Research and development license agreements - commitments related to R&D and other commitments |  |  |  | 84 | [3] | 381
Research and development license agreements - contingent milestone payments in connection with development programs in progress |  |  |  | 4,230 | [4] | 4,886
Total - net commitments given |  |  |  | 8,160 |  |
Lease, term |  | 12 years | 15 years |  |  |
Lease, cost | $ |  | $ 0.2 | $ 0.2 |  |  |
Lease, extension options, number |  |  | 2 |  |  |
Lease, extension options, term |  |  | 5 years |  |  |
Minimum |  |  |  |  |  |
Disclosure Of Off Balance Sheet Commitments [Line Items] |  |  |  |  |  |
Lease, term |  |  | 12 years |  |  |
EUROAPI |  |  |  |  |  |
Disclosure Of Off Balance Sheet Commitments [Line Items] |  |  |  |  |  |
Irrevocable purchase commitments given |  |  |  | 535 |  |
Less than 1 year |  |  |  |  |  |
Disclosure Of Off Balance Sheet Commitments [Line Items] |  |  |  |  |  |
Leases with a term of less than 12 months, low value asset leases and lease contracts committed but not yet commenced | [1] |  |  | 28 |  |
Irrevocable purchase commitments given | [2] |  |  | 1,152 |  |
Irrevocable purchase commitments received |  |  |  | (288) |  |
Research and development license agreements - commitments related to R&D and other commitments | [3] |  |  | 42 |  |
Research and development license agreements - contingent milestone payments in connection with development programs in progress | [4] |  |  | 941 |  |
Total - net commitments given |  |  |  | 1,875 |  |
From 1 to 3 years |  |  |  |  |  |
Disclosure Of Off Balance Sheet Commitments [Line Items] |  |  |  |  |  |
Leases with a term of less than 12 months, low value asset leases and lease contracts committed but not yet commenced | [1] |  |  | 34 |  |
Irrevocable purchase commitments given | [2] |  |  | 1,195 |  |
Irrevocable purchase commitments received |  |  |  | (96) |  |
Research and development license agreements - commitments related to R&D and other commitments | [3] |  |  | 29 |  |
Research and development license agreements - contingent milestone payments in connection with development programs in progress | [4] |  |  | 635 |  |
Total - net commitments given |  |  |  | 1,797 |  |
From 3 to 5 years |  |  |  |  |  |
Disclosure Of Off Balance Sheet Commitments [Line Items] |  |  |  |  |  |
Leases with a term of less than 12 months, low value asset leases and lease contracts committed but not yet commenced | [1] |  |  | 41 |  |
Irrevocable purchase commitments given | [2] |  |  | 442 |  |
Irrevocable purchase commitments received |  |  |  | (7) |  |
Research and development license agreements - commitments related to R&D and other commitments | [3] |  |  | 6 |  |
Research and development license agreements - contingent milestone payments in connection with development programs in progress | [4] |  |  | 470 |  |
Total - net commitments given |  |  |  | 952 |  |
More than 5 years |  |  |  |  |  |
Disclosure Of Off Balance Sheet Commitments [Line Items] |  |  |  |  |  |
Leases with a term of less than 12 months, low value asset leases and lease contracts committed but not yet commenced | [1] |  |  | 451 |  |
Irrevocable purchase commitments given | [2] |  |  | 894 |  |
Irrevocable purchase commitments received |  |  |  | 0 |  |
Research and development license agreements - commitments related to R&D and other commitments | [3] |  |  | 7 |  |
Research and development license agreements - contingent milestone payments in connection with development programs in progress | [4] |  |  | 2,184 |  |
Total - net commitments given |  |  |  | 3,536 |  |
Suppliers |  |  |  |  |  |
Disclosure Of Off Balance Sheet Commitments [Line Items] |  |  |  |  |  |
Irrevocable purchase commitments given |  |  |  |  |  | 6,141
Irrevocable purchase commitments received |  |  |  |  |  | (550)
Suppliers | Opella Business |  |  |  |  |  |
Disclosure Of Off Balance Sheet Commitments [Line Items] |  |  |  |  |  |
Irrevocable purchase commitments given |  |  |  |  |  | € 754
Joint ventures |  |  |  |  |  |
Disclosure Of Off Balance Sheet Commitments [Line Items] |  |  |  |  |  |
Irrevocable purchase commitments given |  |  |  | € 749 |  |
[1] | (a)Includes the variable portion of future lease payments not recognized as lease liabilities as of December 31, 2024; the equivalent amount of these commitments as of December 31, 2023 was €221 million. During 2023, Sanofi signed a 15-year lease which will take effect in 2025 and to which Sanofi is committed for a minimum period of 12 years, corresponding to a commitment of $0.2 billion. The lease includes two extension options of five years each. During 2024, Sanofi signed a 12-year lease in France which will take effect in 2027, representing a commitment of €0.2 billion.
[2] | (c)Irrevocable purchase commitments given as of December 31, 2024 include €749 million of commitments to joint ventures. This line also includes (i) the commitment to EUROAPI as described in Note D.1. and amounting to €535 million as of December 31, 2024, and (ii) commitments related to long-term renewable energy purchase contracts lasting between 15 and 20 years giving rise to the physical supply of electricity mainly in France for an estimated total annual volume of 329 GWh.
[3] | (d)Commitments related to research and development, and other commitments, amounted to €381 million as of December 31, 2023.
[4] | (e)This line only includes contingent milestone payments on development projects in progress. The equivalent amount as of December 31, 2023 was €4,886 million

X
- Definition Commitments Related To Research And Development License Agreements, Contingent Milestone Payments In Connection With Development Programs In Progress + References No definition available. + Details
Name: | sny_CommitmentsRelatedToResearchAndDevelopmentLicenseAgreementsContingentMilestonePaymentsInConnectionWithDevelopmentProgramsInProgress
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Commitments related to R& D licence agreements and other commitments. + References No definition available. + Details
Name: | sny_CommitmentsRelatedToResearchAndDevelopmentLicenseAgreementsOtherCommitments
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition [Line Items] for Disclosure Of Off Balance Sheet Commitments [Table] + References No definition available. + Details
Name: | sny_DisclosureOfOffBalanceSheetCommitmentsLineItems
Namespace Prefix: | sny_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Irrevocable purchase commitments given. + References No definition available. + Details
Name: | sny_IrrevocablePurchaseCommitmentsGiven
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Irrevocable purchase commitments received. + References No definition available. + Details
Name: | sny_IrrevocablePurchaseCommitmentsReceived
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lease, Costs + References No definition available. + Details
Name: | sny_LeaseCosts
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Lease, Extension Options, Number + References No definition available. + Details
Name: | sny_LeaseExtensionOptionsNumber
Namespace Prefix: | sny_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lease, Extension Options, Term + References No definition available. + Details
Name: | sny_LeaseExtensionOptionsTerm
Namespace Prefix: | sny_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lease, Term + References No definition available. + Details
Name: | sny_LeaseTerm
Namespace Prefix: | sny_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Short Term Leases, Low Value Asset Leases And Lease Contracts Committed But Not Started Yet + References No definition available. + Details
Name: | sny_ShortTermLeasesLowValueAssetLeasesAndLeaseContractsCommittedButNotStartedYet
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total. + References No definition available. + Details
Name: | sny_TotalOffBalanceSheetCommitments
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=sny_EuroapiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=sny_OpellaBusinessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=ifrs-full_JointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |