XML 40 R32.htm IDEA: XBRL DOCUMENT
v3.26.1

Earnings per share - Summary of Movements in Shares (Details) shares in Millions | 6 Months Ended
--- | ---
Jun. 30, 2026 shares
Reconciliation of number of shares outstanding [abstract] |
Number of shares outstanding at beginning of period (in shares) | 2,179.5
Shares repurchased under the share buyback programme (in shares) | (30.7)
Net movements in shares under incentive schemes (in shares) | 4.5
Number of shares outstanding at end of period (in shares) | 2,153.3

X
- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 160 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a_iv&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph B10 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a_iv&doctype=Appendix&subtype=B -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a_iv&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_NumberOfSharesOutstanding
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | ifrs-full_ReconciliationOfNumberOfSharesOutstandingAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Decrease In The Number Of Shares Outstanding On Account Of Shares Repurchased. + References No definition available. + Details
Name: | ul_DecreaseInTheNumberOfSharesOutstandingOnAccountOfSharesRepurchased
Namespace Prefix: | ul_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase (decrease) in number of shares outstanding through share-based payment transactions. + References No definition available. + Details
Name: | ul_IncreaseDecreaseInNumberOfSharesOutstandingThroughShareBasedPaymentTransactions
Namespace Prefix: | ul_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration