XML 204 R49.htm IDEA: XBRL DOCUMENT
v3.20.1

Financial Risk Management Policy (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Financial Risk Management Policy |
Return on equity |
|  | Thousand of Euros |
|  | 2019 |  | 2018 |
Profit attributable to the parent |  | 625,146 |  | 596,642 |
Equity attributable to the Parent |  | 4,822,119 |  | 4,225,554 |
ROE |  | 13 | % | 14 | %

X
- Definition Disclosure of Financial Risk Management Policy [Abstract]. + References No definition available. + Details
Name: | grfs_DisclosureOfFinancialRiskManagementPolicyAbstract
Namespace Prefix: | grfs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The tabular disclosure of return on equity. + References No definition available. + Details
Name: | grfs_ReturnOnEquityTableTextBlock
Namespace Prefix: | grfs_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration