v3.26.1
Discontinued operations and assets held for sale - Sale of Galapagos Real Estate Belgium NV - Analysis of assets and liabilities over which control is lost (Details) - Galapagos Real Estate Belgium NV [member]
Mar. 31, 2025
EUR (€)
Disclosure of analysis of single amount of off-balance sheet arrangements [line items]  
Property, plant and equipment € 11,115,000
Trade and other receivables 1,000
Cash and cash equivalents 13,000
Total assets 11,129,000
Trade and other liabilities 11,020,000
Total Liabilities 11,020,000
Net assets disposed of € 109,000