Related-party transactions - Related-party transactions (Detail) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Related party transactions [Abstract]
Sales of goods and services	€ 196	€ 207	€ 222
Purchases of goods and services	62	81	87
Receivables from related parties	127	33	16
Payables to related parties	€ 36	€ 3	€ 4

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

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- Definition

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

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- Definition

The amount of goods purchased by the entity in related party transactions. [Refer: Related parties [member]]

+ References

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No definition available.

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The amount of revenue arising from the sale of goods in related party transactions. [Refer: Revenue; Related parties [member]]

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