Related Party Transactions - Additional Information (Detail) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Langholm Capital II [Member] \| Associates [member]
Disclosure of Transactions between Related Parties [Line Items]
Investments in associates	€ 62.0
Outstanding commitments made by entity, related party transactions	13.0	€ 17.0
Amount received back from associate	0.3	10.0
Joint ventures [member] \| Unilever FIMA LDA [member]
Disclosure of Transactions between Related Parties [Line Items]
Sales revenue	107.0	117.0
Sale to Unilever	83.0	68.0
Balances owed by/(to) related party	127.0	130.0
Royalties and service fee paid to Unilever	16.0	17.0
Joint ventures [member] \| Pepsi Lipton [Member]
Disclosure of Transactions between Related Parties [Line Items]
Sales revenue	65.0	65.0
Sale to Unilever	51.0	65.0
Balances owed by/(to) related party	€ (6.0)	€ (6.0)

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

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The amount of outstanding commitments made by the entity in related party transactions. [Refer: Related parties [member]]

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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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Amount received back from associate

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Gross investments in associates.

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Sales to group from related party.

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