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Consolidated statement of changes in equity (Parenthetical) - EUR (€) € in Millions | 6 Months Ended
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Jun. 30, 2026 | Jun. 30, 2025
Statement of changes in equity [abstract] |  |
Hyperinflation adjustment | € 299 | € (43)

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- References No definition available. + Details
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- Definition Increase (Decrease) Through Hyperinflation Adjustment, Equity + References No definition available. + Details
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Namespace Prefix: | ul_
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