v3.25.1

Discontinued Operations and assets held for sale - Analysis of assets and liabilities over which control was lost (Details) - Jyseleca Business [member] € in Thousands | Jan. 31, 2024 EUR (€)
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Disclosure of analysis of single amount of off-balance sheet arrangements [line items] |
Property, plant and equipment | € 4,186
Deferred tax assets | 292
Other non-current assets | 613
Inventories | 505
Trade and other receivables | 18,439
Cash and cash equivalents | 19,523
Other current assets | 1,161
Total assets | 44,719
Other reserves | (74)
Retirement benefit liabilities | 1,003
Non-current lease liabilities | 2,328
Other non-current liabilities | 90
Trade and other liabilities | 28,927
Current lease liabilities | 1,308
Current tax payable | 1,170
Current deferred income | 430
Total Liabilities | 35,182
Net assets disposed of | € 9,537

X
- Definition The amount of a present economic resource controlled by the entity as a result of past events as of date of disposal. Economic resource is a right that has the potential to produce economic benefits. + References No definition available. + Details
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Namespace Prefix: | glpg_
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Balance Type: | debit
Period Type: | instant

X
- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value as of disposal date. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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X
- Definition The current amount of current deferred income as of disposal date. + References No definition available. + Details
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Balance Type: | credit
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- Definition The amount of current lease liabilities as of disposal date. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

X
- Definition The amount of deferred tax asset as of disposal date. + References No definition available. + Details
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Namespace Prefix: | glpg_
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Balance Type: | debit
Period Type: | instant

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- Definition The current amount of current tax liabilities as of disposal date. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition The amount of inventories as of disposal date. + References No definition available. + Details
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Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The current amount of net assets as of disposal date + 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 non-current lease liabilities as of disposal date. + References No definition available. + Details
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Balance Type: | credit
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X
- Definition The amount of current assets that the entity does not separately disclose in the same statement or note as of disposal date. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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X
- Definition The amount of non-current assets that the entity does not separately disclose in the same statement or note as of date of disposal + 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 non-current lease liabilities as of disposal date as of disposal date. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition The amount of other reserves as of disposal date. + References No definition available. + Details
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Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of property plant and equipment including right of use assets as of disposal date. + References No definition available. + Details
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Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The amount of retirement benefit liabilities as of disposal date. + References No definition available. + Details
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Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The current amount of total liabilities as of disposal date. + References No definition available. + Details
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Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of current trade payables and current other payables as of disposal date. + References No definition available. + Details
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Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of current trade receivables and current other receivables as of disposal date. + References No definition available. + Details
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Namespace Prefix: | glpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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