v3.25.1

Research and Development incentives receivables - Current and non-current (Details) - EUR (€) € in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Research and Development incentives receivables |  |
Non-current R&D incentives receivables | € 132,729 | € 141,252
Current R&D incentives receivables | 39,882 | 37,436
Total R&D incentives receivables | € 172,611 | € 178,688

X
- Definition The amount of current research and development incentives receivables. + References No definition available. + Details
Name: | glpg_CurrentResearchAndDevelopmentIncentivesReceivables
Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of non current research and development incentives receivables. + References No definition available. + Details
Name: | glpg_NonCurrentResearchAndDevelopmentIncentivesReceivables
Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of research and development incentives receivables. + References No definition available. + Details
Name: | glpg_ResearchAndDevelopmentIncentivesReceivables
Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition n/a + References No definition available. + Details
Name: | glpg_ResearchAndDevelopmentIncentivesReceivablesAbstract
Namespace Prefix: | glpg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration