Related party transactions - Service agreements, lease agreements and products - Summary (Details) - EUR (€)	Mar. 31, 2018	Dec. 31, 2017
Balances
Accounts Payables	€ 236,237,000	€ 147,349,000
Fresenius SE (largest shareholder)
Balances
Accounts Receivable	108,764,000	91,026,000
Accounts Payables	€ 84,172,000	76,159,000
Affiliates of Fresenius SE \| Products
Balances
Accounts Payables		3,976,000
Equity method investees \| Products
Balances
Accounts Payables		€ 36,550,000

The amounts receivable resulting from related party transactions. [Refer: Related parties [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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