v3.25.1

Other non-current assets - Summary (Details) - EUR (€) € in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Other non-current assets |  |
Non-current restricted cash | € 1,985 | € 5,533
Non-current portion of upfront payment to NovAlix | 2,580 | 4,656
Non-current portion of advance related to the NovAliX transaction | 2,877 | 5,563
Other non-current assets | 1,266 | 318
Total other non-current assets | € 8,708 | € 16,070

X
- Definition The amount of noncurrent portion of advance made to a counterparty in a collaborative arrangement. + References No definition available. + Details
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Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of noncurrent portion of upfront payment made to a counterparty in a collaborative arrangement. + References No definition available. + Details
Name: | glpg_NoncurrentPortionOfUpfrontPaymentToCounterpartyInCollaborativeArrangement
Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of miscellaneous other non current assets. + References No definition available. + Details
Name: | glpg_OtherMiscellaneousNonCurrentAssets
Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition The amount of non-current restricted cash and cash equivalents. [Refer: Restricted cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of non-current assets that the entity does not separately disclose in the same statement or note. [Refer: Non-current assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant