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Capital and Funding - Summary of Consolidated Statement of Changes in Equity: Analysis of Other Reserves (Parenthetical) (Detail)	Dec. 31, 2018 € / shares	Dec. 31, 2018 £ / shares	Dec. 31, 2017 € / shares	Dec. 31, 2017 £ / shares	Dec. 31, 2016 € / shares	Dec. 31, 2016 £ / shares
Unilever N.V. [member]
Disclosure of reserves within equity [line items]
Par value per share | € / shares	€ 0.16		€ 0.16		€ 0.16
Unilever PLC [member]
Disclosure of reserves within equity [line items]
Par value per share | £ / shares		£ 0.0311		£ 0.0311		£ 0.0311

X

- Definition

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.

+ References

No definition available.

+ Details

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- Definition

The nominal value per share.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 79
-Subparagraph a
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_79_a_iii&doctype=Standard
-URIDate 2017-03-09

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- Details

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