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Share Buyback Programme - Additional Information (Detail) - EUR (€)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Unilever N.V. [member]
Disclosure of share buyback programme [line items]
Number of shares repurchased	62,202,168	50,250,099
Unilever PLC [member]
Disclosure of share buyback programme [line items]
Cash consideration	€ 63,236,433	€ 51,692,284
Transfer from reserve to retained earnings	€ 6,020,000,000	€ 5,014,000,000

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- Definition

Consideration paid for share buy back programme.

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- Definition

Disclosure of share buyback programme.

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- Definition

Number of treasury shares repurchased.

+ References

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- Definition

Transfer of treasury shares consideration from other reserves to retained profit.

+ References

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