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Revenue from contracts with customers - Disclosure of other revenue (Details) - EUR (€) € in Millions | 6 Months Ended
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Jun. 30, 2026 | Jun. 30, 2025
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Other revenues | € 1,438 | € 1,452
Biopharma |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
VaxServe sales of non-Sanofi products | 746 | 842
Sales to Opella | 60 | 61
Royalties | 91 | 68
Other | 271 | 275
Other revenues | 1,168 | 1,246
Opella Business |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Other revenues | € 270 | € 206

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- 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
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard -URIDate 2025-03-27 + Details
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition Miscellaneous other revenue + References No definition available. + Details
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- Definition Revenue from intragroup sales from continuing to discontinued operations + References No definition available. + Details
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- Definition Revenue from VaxServe sales of non-Sanofi products + References No definition available. + Details
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- Details
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- Details
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