Revenue from Contracts with Customers (Details) - EUR (€) € in Millions |
6 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
[2] | |||||||||||
| Disclosure of disaggregation of revenue from contracts with customers [line items] | |||||||||||||
| Other revenues | [1] | € 1,452 | € 1,529 | ||||||||||
| Biopharma Segment [Member] | |||||||||||||
| Disclosure of disaggregation of revenue from contracts with customers [line items] | |||||||||||||
| VaxServe sales of non-Sanofi products | 842 | 854 | |||||||||||
| Sales to Opella | [3] | 61 | 95 | ||||||||||
| Royalties | 68 | 62 | |||||||||||
| Other | [4] | 275 | 341 | ||||||||||
| Other revenues | 1,246 | 1,352 | |||||||||||
| Opella Business | |||||||||||||
| Disclosure of disaggregation of revenue from contracts with customers [line items] | |||||||||||||
| Other revenues | [5] | € 206 | € 177 | ||||||||||
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