v3.25.3
Segment Information - Schedule of Acquisition of Intangible Assets, Property, Plant and Equipment and Investments Accounted for Using the Equity Method by Segment (Details) - EUR (€)
€ in Millions
6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Disclosure of operating segments [Line Items]      
Investments accounted for using the equity method [1] € 3,563   € 316
Biopharma Segment [Member]      
Disclosure of operating segments [Line Items]      
Investments accounted for using the equity method [2] 483 € 229  
Acquisitions of property, plant and equipment 845 882  
Acquisitions of other intangible assets € 575 € 922  
[1] These unaudited condensed half year consolidated financial statements as of June 30, 2025 should be read in conjunction with Sanofi’s audited consolidated financial statements as of December 31, 2024.
[2] Carrying amount at the end of the reporting period.