v3.26.1
Legal Matters (Details) - Regeneron vs. Amgen
$ in Millions
May 15, 2025
USD ($)
count
Gain Contingencies [Line Items]  
Number of counts submitted | count 10
Number of counts ruled in favor of plaintiff | count 9
Compensatory Damages  
Gain Contingencies [Line Items]  
Damages awarded | $ $ 135.6
Punitive Damages  
Gain Contingencies [Line Items]  
Damages awarded | $ $ 271.2