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v3.20.1

Provisions - Current provisions (Details) - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Current provisions (b) |  |  |
Beginning balance, Trade provisions | € 80,055 | € 106,995 | € 89,588
Business combinations |  |  | 41,841
Net charge | (25,249) | (30,668) | (4,812)
Cancellations | (3,142) | (290) | (2,886)
Reclassifications |  |  | (2,600)
Translation differences | 1,445 | 4,018 | (14,136)
Ending balance, Trade provisions | € 53,109 | € 80,055 | € 106,995

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- Definition The increase in current provisions related to business combinations. + References No definition available. + Details
Name: | grfs_CurrentProvisionsBusinessCombinations
Namespace Prefix: | grfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of cancellations to current provisions. + References No definition available. + Details
Name: | grfs_CurrentProvisionsCancellations
Namespace Prefix: | grfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of net charges to current provisions. + References No definition available. + Details
Name: | grfs_CurrentProvisionsNetCharges
Namespace Prefix: | grfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of reclassifications to current provisions. + References No definition available. + Details
Name: | grfs_CurrentProvisionsReclassifications
Namespace Prefix: | grfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of translation differences to current provisions. + References No definition available. + Details
Name: | grfs_CurrentProvisionsTranslationDifferences
Namespace Prefix: | grfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The amount of current provisions. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 54 -Subparagraph l -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_l&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_CurrentProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | ifrs-full_CurrentProvisionsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration