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Dividends - Summary of Dividends on Ordinary Capital (Details) - 3 months ended Jun. 30, 2026 - Unilever PLC | € / shares | £ / shares | $ / shares
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Disclosure Of Dividends [Line Items] |  |  |
Dividend per share (in pound, euro and dollar per share) | € 0.4664 |  |
Per Unilever PLC ordinary share | Traded on the London Stock Exchange |  |  |
Disclosure Of Dividends [Line Items] |  |  |
Dividend per share (in pound, euro and dollar per share) | £ / shares |  | £ 0.3982 |
Per Unilever PLC ordinary share | Traded on Euronext in Amsterdam |  |  |
Disclosure Of Dividends [Line Items] |  |  |
Dividend per share (in pound, euro and dollar per share) | € 0.4664 |  |
Per Unilever PLC American Depositary Receipt |  |  |
Disclosure Of Dividends [Line Items] |  |  |
Dividend per share (in pound, euro and dollar per share) | $ / shares |  |  | $ 0.5305

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