XML 470 R105.htm IDEA: XBRL DOCUMENT v3.22.0.1

Goodwill and intangible assets - Summary of Key Assumptions Used in Discounted Cash Flow (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Food and Refreshment | Europe
Disclosure of detailed information about intangible assets [line items]
Longer-term sustainable growth rates (in percent)	2.10%	1.10%
Average near-term nominal growth rates (in percent)	(0.70%)	(1.00%)
Average operating margins (in percent)	15.00%	13.00%
Food and Refreshment | The Americas
Disclosure of detailed information about intangible assets [line items]
Longer-term sustainable growth rates (in percent)	4.00%	1.70%
Average near-term nominal growth rates (in percent)	2.60%	0.10%
Average operating margins (in percent)	14.00%	15.00%
Food and Refreshment | Asia/AMET/RUB
Disclosure of detailed information about intangible assets [line items]
Longer-term sustainable growth rates (in percent)	5.30%	3.90%
Average near-term nominal growth rates (in percent)	3.00%	4.90%
Average operating margins (in percent)	19.00%	16.00%
Beauty & Personal Care | The Americas
Disclosure of detailed information about intangible assets [line items]
Longer-term sustainable growth rates (in percent)	4.00%	1.70%
Average near-term nominal growth rates (in percent)	1.60%	2.50%
Average operating margins (in percent)	20.00%	22.00%
Beauty & Personal Care | Asia/AMET/RUB
Disclosure of detailed information about intangible assets [line items]
Longer-term sustainable growth rates (in percent)	5.30%	3.90%
Average near-term nominal growth rates (in percent)	2.70%	3.40%
Average operating margins (in percent)	23.00%	22.00%

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

X

- Definition

Average near term nominal growth rate used to discounted cash flow projections.

+ References

No definition available.

+ Details

Name:	ul_AverageNearTermNominalGrowthRateUsedToDiscountedCashFlowProjections
Namespace Prefix:	ul_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Average operating margins used to discounted cash flow projections.

+ References

No definition available.

+ Details

Name:	ul_AverageOperatingMarginsUsedToDiscountedCashFlowProjections
Namespace Prefix:	ul_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Long term sustainable growth rate used to discounted cash flow projections.

+ References

No definition available.

+ Details

Name:	ul_LongTermSustainableGrowthRateUsedToDiscountedCashFlowProjections
Namespace Prefix:	ul_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis=ul_FoodAndRefreshmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=srt_EuropeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=ul_TheAmericasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=ul_AsiaAfricaMiddleEastTurkeyRussiaUkraineAndBelarusMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis=ul_BeautyAndPersonalCareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: