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Financial Instruments - Maximum Level of Exposure to Credit Risk (Details) - EUR (€) € in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Credit risk |  |
Maximum exposure to credit risk | € 3,008,902 | € 1,509,852
Non-current financial assets |  |
Credit risk |  |
Maximum exposure to credit risk | 138,930 | 107,601
Other current financial assets |  |
Credit risk |  |
Maximum exposure to credit risk | 1,728,926 | 53,965
Trade receivables |  |
Credit risk |  |
Maximum exposure to credit risk | 369,797 | 269,167
Other receivables |  |
Credit risk |  |
Maximum exposure to credit risk | 29,267 | 45,327
Cash and cash equivalents |  |
Credit risk |  |
Maximum exposure to credit risk | 741,982 | 1,033,792
Trade and other receivables |  |
Credit risk |  |
Maximum exposure to credit risk | 399,064 | 314,494
Trade and other receivables | Spain |  |
Credit risk |  |
Maximum exposure to credit risk | 58,363 | 46,025
Trade and other receivables | Rest of European Union |  |
Credit risk |  |
Maximum exposure to credit risk | 44,887 | 48,354
Trade and other receivables | United States |  |
Credit risk |  |
Maximum exposure to credit risk | 171,345 | 79,829
Trade and other receivables | Other European countries |  |
Credit risk |  |
Maximum exposure to credit risk | 13,485 | 14,289
Trade and other receivables | Other regions |  |
Credit risk |  |
Maximum exposure to credit risk | € 110,984 | € 125,997

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- Definition The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 35K -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_35K_a&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 36 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_36_a&doctype=Standard&book=b -URIDate 2019-03-27 + Details
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