v3.10.0.1
Document and Entity Information
6 Months Ended
Jun. 30, 2018
Document and Entity Information [Abstract]  
Entity Registrant Name GALAPAGOS NV
Entity Central Index Key 0001421876
Document Type 6-K
Document Period End Date Jun. 30, 2018
Amendment Flag false
Current Fiscal Year End Date --06-30
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Document Fiscal Year Focus 2018
Document Fiscal Period Focus H1