XML 127 R120.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Capital and Funding - Summary of Share Capital (Detail) € in Millions, £ in Millions | Dec. 31, 2017 EUR (€) | Dec. 31, 2017 GBP (£) | Dec. 31, 2016 EUR (€) | Dec. 31, 2016 GBP (£)
--- | --- | --- | --- | ---
Disclosure of classes of share capital [Line Items] |  |  |  |
€ million | € 484.0 | £ 40.8 | € 484.0 | £ 40.8
€ million | 481.0 |  | 481.0 |
Unilever N.V. [member] |  |  |  |
Disclosure of classes of share capital [Line Items] |  |  |  |
€ million | 274.0 |  | 274.0 |
Unilever N.V. [member] | Ordinary Shares [member] |  |  |  |
Disclosure of classes of share capital [Line Items] |  |  |  |
€ million | 274.0 |  | 274.0 |
€ million | 480.0 |  | 480.0 |
Unilever N.V. [member] | Ordinary Special Shares [Member] |  |  |  |
Disclosure of classes of share capital [Line Items] |  |  |  |
€ million | 1.0 |  | 1.0 |
€ million | 1.0 |  | 1.0 |
Unilever N.V. [member] | Internal Holdings Eliminated on Consolidation [Member] |  |  |  |
Disclosure of classes of share capital [Line Items] |  |  |  |
€ million | (1.0) |  | (1.0) |
Unilever PLC [member] |  |  |  |
Disclosure of classes of share capital [Line Items] |  |  |  |
€ million | € 210.0 |  | € 210.0 |
Unilever PLC [member] | Ordinary Shares [member] |  |  |  |
Disclosure of classes of share capital [Line Items] |  |  |  |
€ million | £ |  | 40.8 |  | 40.8
Unilever PLC [member] | Deferred stock [member] |  |  |  |
Disclosure of classes of share capital [Line Items] |  |  |  |
€ million | £ |  | 0.1 |  | 0.1
Unilever PLC [member] | Internal Holdings Eliminated on Consolidation [Member] |  |  |  |
Disclosure of classes of share capital [Line Items] |  |  |  |
€ million | £ |  | £ (0.1) |  | £ (0.1)

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_DisclosureOfClassesOfShareCapitalLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The nominal value of capital issued. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_78_e&doctype=Standard -URIDate 2016-03-31 + Details
Name: | ifrs-full_IssuedCapital
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Authorised Capital. + References No definition available. + Details
Name: | ul_AuthorisedCapital
Namespace Prefix: | ul_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ul_ParentCompaniesOfTheGroupAxis=ul_UnileverNVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=ifrs-full_OrdinarySharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=ul_OrdinarySpecialSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=ul_InternalHoldingsEliminatedOnConsolidationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ul_ParentCompaniesOfTheGroupAxis=ul_UnileverPLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=ul_DeferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |