XML 279 R129.htm IDEA: XBRL DOCUMENT
v3.20.4

Capital and Funding - Summary of Share Capital (Detail) € in Millions, £ in Millions | Dec. 31, 2020 EUR (€) | Dec. 31, 2020 GBP (£) | Dec. 31, 2019 EUR (€) | Dec. 31, 2019 GBP (£)
--- | --- | --- | --- | ---
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Issued, called up and fully paid |  | € 92 |  |  | € 420 |  |
Unilever PLC [member] |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Issued, called up and fully paid |  | € 92 | [1] | £ 81.8 | 187 | [1] | £ 36.4
Unilever PLC [member] | Ordinary Shares [member] |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Issued, called up and fully paid | £ |  |  |  | 36.4 |  |  | 37.0
Unilever PLC [member] | Deferred Stock [Member] |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Issued, called up and fully paid | £ |  |  |  |  |  |  | 0.1
Unilever PLC [member] | Internal Holdings Eliminated on Consolidation [Member] |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Issued, called up and fully paid | £ |  |  |  |  |  |  | (0.1)
Unilever PLC [member] | Shares Issued to NV Shareholders [member] |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Issued, called up and fully paid | £ | [2] |  |  | £ 45.4 |  |  |
Unilever PLC [member] | Cancellation of Treasury shares [member] |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Issued, called up and fully paid | £ | [3] |  |  |  |  |  | £ (0.6)
Unilever N.V. [member] |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Issued, called up and fully paid | [2] |  |  |  | 233 |  |
Authorised |  |  |  |  | 481 |  |
Unilever N.V. [member] | Ordinary Shares [member] |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Issued, called up and fully paid |  |  |  |  | 274 |  |
Authorised |  |  |  |  | 480 |  |
Unilever N.V. [member] | Ordinary Special Shares [member] |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Issued, called up and fully paid |  |  |  |  | 1 |  |
Authorised |  |  |  |  | 1 |  |
Unilever N.V. [member] | Internal Holdings Eliminated on Consolidation [Member] |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Issued, called up and fully paid |  |  |  |  | (1) |  |
Unilever N.V. [member] | Cancellation of Treasury shares [member] |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Issued, called up and fully paid | [3] |  |  |  | € (41) |  |
[1] | Prior to Unification, a conversion rate of £1 = €5.143 was used in accordance with the Equalisation Agreement, which ceased to exist as a result of Unification. The ordinary share capital of PLC is now translated using the conversion rate at 29 November 2020 of £1 = € 1.121. The difference between the conversion rates was released through Other Reserves as presented in the “Other effects of Unification” line in the Statement of Changes in Equity.
[2] | As a result of Unification, the shareholders of NV were issued 1,460,713,122 PLC ordinary shares, and all NV shares in issue were cancelled.
[3] | At 31 December 2019, 254,012,896 of NV ordinary shares and 18,660,634 of PLC ordinary shares that were repurchased as part of the share buyback programme in 2018 and prior years were cancelled.

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

X
- Definition Issued share capital. + References No definition available. + Details
Name: | ul_IssuedShareCapital
Namespace Prefix: | ul_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

X
- Details
Name: | ul_ParentCompaniesOfTheGroupAxis=ul_UnileverNVMember
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: |