XML 23 R15.htm IDEA: XBRL DOCUMENT
v3.26.1

Share buyback | 6 Months Ended
--- | ---
Jun. 30, 2026
Share Buyback [Abstract] |
Share buyback |
8.Share buyback
On 12 February 2026, Unilever PLC announced a new programme to buy back shares with an aggregate market value of up to €1.5 billion, the commencement of which was announced on 30 April 2026. On 5 June 2026, Unilever announced the completion of its share buyback programme. A total of 30,703,780 ordinary Unilever PLC shares were purchased with an aggregate market value equivalent to €1.5 billion.

X
- Definition Disclosure Of Share-Buy Back + References No definition available. + Details
Name: | ul_DisclosureOfShareBuyBackTextBlock
Namespace Prefix: | ul_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share Buyback [Abstract] + References No definition available. + Details
Name: | ul_ShareBuybackAbstract
Namespace Prefix: | ul_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration