Intangible assets and goodwill - Goodwill and intangible assets with indefinite useful Life (Details) - EUR (€)	Mar. 31, 2018	Dec. 31, 2017
Disclosure of geographic region
Goodwill	€ 11,834,584,000	€ 12,103,921,000
Intangible assets other than goodwill	€ 682,208,000	€ 683,058,000

The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]]

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