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Finance Costs-Net - Summary of Finance Costs-Net (Detail) - EUR (€) € in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Analysis of income and expense [abstract]
Interest received		€ 1		€ 3
Finance income		1		3
Interest expense on borrowings	€ (30)	(30)	€ (62)	(58)
Expenses on factoring arrangements	(5)	(5)	(10)	(9)
Interest expense on lease liabilities	(4)	(1)	(7)	(2)
Realized and unrealized (losses) / gains on debt derivatives at fair value	(4)	23	5	16
Realized and unrealized exchange gains / (losses) on financing activities - net	6	(22)		(11)
Interest cost on pension and other benefits	(4)	(4)	(8)	(8)
Other finance expenses	(2)	(2)	(8)	(11)
Capitalized borrowing costs			1	2
Finance expense	(43)	(41)	(89)	(81)
Finance costs - net	€ (43)	€ (40)	€ (89)	€ (78)

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Expenses on factoring arrangements paid or payable.

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Interest cost on pension and employee benefits.

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Realized and Unrealized Exchange Gains (Losses) on Financing Activities - Net

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The amount of costs associated with financing activities of the entity.

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The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]]

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