XML 16 R8.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Cash Flow Statement (Parenthetical) € in Millions | 6 Months Ended
--- | ---
Jun. 30, 2018 EUR (€)
Blueair [member] |
Non-cash credit from early settlement of contingent consideration | € 277

X
- Definition Non-cash credit from early settlement of contingent consideration. + References No definition available. + Details
Name: | ul_NoncashCreditFromEarlySettlementOfContingentConsideration
Namespace Prefix: | ul_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=ul_BlueairMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |