XML 327 R177.htm IDEA: XBRL DOCUMENT
v3.20.4

Remuneration of Auditors - Summary of Services from Auditors and its Associates (Parenthetical) (Detail) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of Auditors Remuneration [Line Items] |  |  |  |
Total statutory audit fees |  | € 19 | € 17 | € 16
Amount paid in relation to each type of non-statutory audit services | [1] | 0 | 0 | 0
Work on simplification [member] |  |  |  |
Disclosure of Auditors Remuneration [Line Items] |  |  |  |
Assurance work on simplification |  | 1 |  | 1
Review of tea carve out accounts [member] |  |  |  |
Disclosure of Auditors Remuneration [Line Items] |  |  |  |
Auditor remuneration for audits and reviews of spreads carve out financial statements |  | 6 |  |
Review of spreads carve-out accounts [member] |  |  |  |
Disclosure of Auditors Remuneration [Line Items] |  |  |  |
Auditor remuneration for audits and reviews of spreads carve out financial statements |  |  |  | 4
Top of range [member] |  |  |  |
Disclosure of Auditors Remuneration [Line Items] |  |  |  |
Services supplied to associated pension schemes |  | 1 | 1 | 1
Amount paid in relation to each type of non-statutory audit services |  | 1 | 1 | 1
KPMG Accountants N.V. [member] |  |  |  |
Disclosure of Auditors Remuneration [Line Items] |  |  |  |
Total statutory audit fees |  | 0 | 1 | 1
KPMG LLP [member] |  |  |  |
Disclosure of Auditors Remuneration [Line Items] |  |  |  |
Total statutory audit fees |  | € 6 | € 4 | € 5
[1] | Amounts paid in relation to each type of service are less than €1 million individually and in aggregate (2019: less than €1 million and in aggregate; 2018: less than €1 million).

X
- Definition The amount of fees paid or payable to the entity's auditors for auditing services. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_AuditorsRemunerationForAuditServices
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of fees paid or payable to the entity's auditors for services that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_AuditorsRemunerationForOtherServices
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Auditor remuneration for assurance work on simplification. + References No definition available. + Details
Name: | ul_AuditorRemunerationForAssuranceWorkOnSimplification
Namespace Prefix: | ul_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Auditor remuneration for audits and reviews of spreads carve out financial statements. + References No definition available. + Details
Name: | ul_AuditorRemunerationForAuditsAndReviewsOfSpreadsCarveOutFinancialStatements
Namespace Prefix: | ul_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Auditor's remuneration for services supplied to associated pension schemes. + References No definition available. + Details
Name: | ul_AuditorRemunerationForServicesSuppliedToAssociatedPensionSchemes
Namespace Prefix: | ul_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disclosure of auditors remuneration. + References No definition available. + Details
Name: | ul_DisclosureOfAuditorsRemunerationLineItems
Namespace Prefix: | ul_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_SegmentsAxis=ul_WorkOnSimplificationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=ul_ReviewOfTeaCarveOutAccountsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=ul_ReviewOfSpreadsCarveoutAccountsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=ul_KPMGAccountantsNVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=ul_KPMGLLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |