v3.25.1

Consolidated companies as of December 31, 2024 (Details) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
AboundBio, Inc. | United States |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 100.00% | 100.00% | 100.00%
CellPoint B.V. | The Netherlands |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 100.00% | 100.00% | 100.00%
Galapagos Biopharma BV | The Netherlands | DISCONTINUED OPERATIONS |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 0.00% | 100.00% | 100.00%
Changes in voting rights | (100.00%) |  |
Galapagos Biopharma BV | Belgium | DISCONTINUED OPERATIONS |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 0.00% | 100.00% | 100.00%
Changes in voting rights | (100.00%) |  |
Galapagos B.V | The Netherlands |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 100.00% | 100.00% | 100.00%
Galapagos Biopharma Spain S.L.U | Spain | DISCONTINUED OPERATIONS |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 0.00% | 100.00% | 100.00%
Changes in voting rights | (100.00%) |  |
Galapagos Biopharma Italy S.r.l. | Italy | DISCONTINUED OPERATIONS |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 0.00% | 100.00% | 100.00%
Changes in voting rights | (100.00%) |  |
Galapagos Biopharma Germany GmbH | Germany | DISCONTINUED OPERATIONS |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 0.00% | 100.00% | 100.00%
Changes in voting rights | (100.00%) |  |
Galapagos Biopharma A.B. | Sweden | DISCONTINUED OPERATIONS |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 0.00% | 100.00% | 100.00%
Changes in voting rights | (100.00%) |  |
Galapagos Biopharma A.S. | Norway | DISCONTINUED OPERATIONS |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 0.00% | 100.00% | 100.00%
Changes in voting rights | (100.00%) |  |
Galapagos Biopharma Oy | Finland | DISCONTINUED OPERATIONS |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 0.00% | 100.00% | 100.00%
Changes in voting rights | (100.00%) |  |
Galapagos Biopharma ApS | Denmark | DISCONTINUED OPERATIONS |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 0.00% | 100.00% | 100.00%
Changes in voting rights | (100.00%) |  |
Galapagos GmbH | Switzerland |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 100.00% | 100.00% | 100.00%
Galapagos GmbH | Austria | DISCONTINUED OPERATIONS |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 0.00% | 100.00% | 100.00%
Changes in voting rights | (100.00%) |  |
Galapagos Biopharma Ireland Ltd | Ireland | DISCONTINUED OPERATIONS |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 0.00% | 100.00% | 100.00%
Changes in voting rights | (100.00%) |  |
Galapagos Biotech Ltd. (formerly Inpharmatica Ltd.) | United Kingdom | DISCONTINUED OPERATIONS |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 0.00% | 100.00% | 100.00%
Changes in voting rights | (100.00%) |  |
Galapagos Real Estate 1 BV | Belgium |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 100.00% | 100.00% | 100.00%
Galapagos Real Estate B.V. | The Netherlands |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 100.00% | 100.00% | 100.00%
Galapagos UK Limited [member] | United Kingdom |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 100.00% | 0.00% | 0.00%
Changes in voting rights | 100.00% |  |
Galapagos SASU (France) | France |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 100.00% | 100.00% | 100.00%
Galapagos, Inc. (formerly Biofocus, Inc.) | United States |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 100.00% | 100.00% | 100.00%
Xenometrix, Inc. | United States |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 100.00% | 100.00% | 100.00%
Galapagos Holding PTE LTD [member] | Singapore |  |  |
Consolidated companies as of December 31, 2022 |  |  |
Percentage of voting rights held directly or indirectly through subsidiaries | 100.00% | 0.00% | 0.00%
Changes in voting rights | 100.00% |  |

X
- Definition The changes in ownership interests in subsidiaries. + References No definition available. + Details
Name: | glpg_ChangeInOwnershipInterest
Namespace Prefix: | glpg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The proportion of the voting rights in a subsidiary held by the entity. [Refer: Total for all subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2024-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2024-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 19B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ProportionOfVotingPowerHeldInSubsidiary
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_AboundbioInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_CellpointB.v.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_NL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosBiopharmaB.v.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ContinuingAndDiscontinuedOperationsAxis=ifrs-full_DiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_BE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosB.vMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosBiopharmaS.l.uMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_ES
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosBiopharmaS.r.lMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_IT
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosBiopharmaGmbhMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_DE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosBiopharmaA.b.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_SE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosBiopharmaA.s.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_NO
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosBiopharmaOyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_FI
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosBiopharmaApsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_DK
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosGmbhMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_CH
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_AT
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosBiopharmaLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_IE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosBiotechLtd.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_GB
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosRealEstateOneBvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosRealEstateB.v.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosUkLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosSasuMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_FR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_XenometrixInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=glpg_GalapagosHoldingPteLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_SG
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |