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Goodwill - Impairment testing (Details) € in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2019 EUR (€) item | Dec. 31, 2018 EUR (€) | Jan. 26, 2018 | Jul. 25, 2017 | Sep. 30, 2014
Impairment Testing |  |  |  |  |
Length of cash flow projections used in assumptions and calculations of impairment | 5 years | 5 years |  |  |
Term of the government bonds | 30 years |  |  |  |
Stock market capitalization | € | € 18,831 | € 13,978 |  |  |
Kiro Grifols S.L (formerly Kiro Robotics S.L) |  |  |  |  |
Impairment Testing |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  | 40.00% | 50.00%
Goetech, LLC. ("MedKeeper") |  |  |  |  |
Impairment Testing |  |  |  |  |
Percentage of voting equity interests acquired |  |  | 51.00% |  |
Grifols Diagnostics Solutions, Inc. |  |  |  |  |
Impairment Testing |  |  |  |  |
Percentage of voting equity interests acquired | 45.00% |  |  |  |
Bioscience |  |  |  |  |
Impairment Testing |  |  |  |  |
Perpetual growth rate | 2.00% | 2.00% |  |  |
Pre-tax discount rate | 8.80% | 8.90% |  |  |
Diagnostic |  |  |  |  |
Impairment Testing |  |  |  |  |
Perpetual growth rate |  | 2.00% |  |  |
Pre-tax discount rate |  | 9.40% |  |  |
EBITDA multiple | item | 14.5 |  |  |  |
Hospital |  |  |  |  |
Impairment Testing |  |  |  |  |
Perpetual growth rate | 1.50% | 1.50% |  |  |
Pre-tax discount rate | 10.80% | 13.10% |  |  |

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