XML 206 R160.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Debt, cash and cash equivalents and lease liabilities - Lease Liabilities (Details) - EUR (€) € in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of maturity analysis of finance lease payments receivable [line items] |  |  |  |
Lease liabilities |  | € 2,030 | € 2,181 | € 2,108
Discounting effect |  | € (58) | (219) | (228)
Cambridge, Massachusetts |  |  |  |
Disclosure of maturity analysis of finance lease payments receivable [line items] |  |  |  |
Initial lease term | 15 years | 15 years |  |
Less than 1 year |  |  |  |
Disclosure of maturity analysis of finance lease payments receivable [line items] |  |  |  |
Lease liabilities |  | € 291 | 320 | 314
From 1 to 3 years |  |  |  |
Disclosure of maturity analysis of finance lease payments receivable [line items] |  |  |  |
Lease liabilities |  | 448 | 515 | 476
From 3 to 5 years |  |  |  |
Disclosure of maturity analysis of finance lease payments receivable [line items] |  |  |  |
Lease liabilities |  | 360 | 436 | 362
More than 5 years |  |  |  |
Disclosure of maturity analysis of finance lease payments receivable [line items] |  |  |  |
Lease liabilities |  | € 989 | € 1,129 | € 1,184

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

X
- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_47_b&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_LeaseLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Lease Liabilities, Effect Of Discounting + References No definition available. + Details
Name: | sny_LeaseLiabilitiesEffectOfDiscounting
Namespace Prefix: | sny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=sny_CambridgeMassachusettsMember
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: |