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Financial Instruments Fair Value Risk - Additional Information (Detail) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Disclosure of Detailed Information about Financial Instruments [Line Items]
Assets	€ 59,456	€ 60,285
Unlisted investments include of investment	14	32
Level 3 [member]
Disclosure of Detailed Information about Financial Instruments [Line Items]
Impact in income statement due to Level 3 instruments	272	26
Level 3 [member] | Unilever Ventures companies [Member]
Disclosure of Detailed Information about Financial Instruments [Line Items]
Unlisted investments include of investment	254	195
Level 3 [member] | Split-Dollar Life Insurance [Member] | Fair value [member]
Disclosure of Detailed Information about Financial Instruments [Line Items]
Assets	€ 17	€ 22

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- Definition

The amount of resources: (a) controlled by the entity as a result of past events; and (b) from which future economic benefits are expected to flow to the entity.

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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 gains (losses) on financial assets at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]

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