XML 55 R47.htm IDEA: XBRL DOCUMENT v3.21.2

Acquisitions and Disposals - Summary of Business Acquisitions and Disposals (Detail)	6 Months Ended
	Jun. 30, 2021
Welly Health [Member]
Disclosure of Acquisitions and Disposals [Line Items]
Acquisition percentage	51.00%
Deal completion date	Jan. 29, 2021
Acquired/disposed business	Acquired 51% of Welly Health, which adds to our health and wellbeing portfolio.
Onnit Lab Inc [Member]
Disclosure of Acquisitions and Disposals [Line Items]
Deal completion date	May 28, 2021
Acquired/disposed business	Acquired Onnit Lab Inc, a holistic wellness and lifestyle company based in the US. Onnit complements our growing portfolio of innovative wellness and supplement brands.

X

- Definition

The description of the business or businesses that the acquirer obtains control of in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2020-01-01
-Paragraph B64
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B64_a&doctype=Appendix&subtype=B
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_DescriptionOfAcquiree
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2020-01-01
-Paragraph B64
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Date of business acquisition.

+ References

No definition available.

+ Details

Name:	ul_DateOfBusinessAcquisition
Namespace Prefix:	ul_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure of acquisitions and disposals.

+ References

No definition available.

+ Details

Name:	ul_DisclosureOfAcquisitionsAndDisposalsLineItems
Namespace Prefix:	ul_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_BusinessCombinationsAxis=ul_WellyHealthMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BusinessCombinationsAxis=ul_OnnitLabIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: