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Financial Liabilities - Senior Notes (Details) € in Thousands | Dec. 31, 2019 EUR (€) | Nov. 15, 2019 EUR (€) item | Dec. 31, 2018 EUR (€) | Apr. 18, 2017 EUR (€)
--- | --- | --- | --- | ---
Senior Secured Notes |  |  |  |
Borrowings |  |  |  |
Face amount | € 1,675,000 | € 1,675,000 |  |
Number of notes issued | item |  | 2 |  |
Secured Secured Notes, Maturing in 2027 |  |  |  |
Borrowings |  |  |  |
Face amount |  | € 770,000 |  |
Borrowings, interest rate |  | 2.25% |  |
Secured Secured Notes, Maturing in 2025 |  |  |  |
Borrowings |  |  |  |
Face amount |  | € 905,000 |  |
Borrowings, interest rate |  | 1.625% |  |
Senior Unsecured Notes |  |  |  |
Borrowings |  |  |  |
Face amount | € 1,000,000 |  | € 1,000,000 | € 1,000,000
Borrowings, interest rate |  |  |  | 3.20%

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