XML 168 R161.htm IDEA: XBRL DOCUMENT v3.8.0.1

Commitments and Contingent Liabilities - Summary of Contingent Liabilities (Parenthetical) (Detail) - EUR (€) € in Millions	Dec. 31, 2017	Dec. 31, 2016
Brazil [Member]
Disclosure of contingent liabilities [Line Items]
Corporate reorganisation tax assessment	€ 2,092	€ 1,464

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

Name:	ifrs-full_DisclosureOfContingentLiabilitiesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Indirect tax relating to corporate reorganisation.

+ References

No definition available.

+ Details

Name:	ul_IndirectTaxRelatingToCorporateReorganisation
Namespace Prefix:	ul_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_BR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: