XML 99 R92.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Taxation - Summary of Reconciliation of Effective Tax Rate (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Reconciliation of average effective tax rate and applicable tax rate [Abstract] |  |  |
Computed rate of tax | 26.00% | 26.00% | 24.00%
Incentive tax credits | (4.00%) | (4.00%) | (5.00%)
Withholding tax on dividends | 2.00% | 3.00% | 2.00%
Expenses not deductible for tax purposes | 1.00% | 1.00% | 1.00%
Irrecoverable withholding tax | 1.00% | 1.00% | 2.00%
Income tax reserve adjustments - current and prior year |  | (1.00%) | 2.00%
Transfer to/(from) unrecognised deferred tax assets | 1.00% |  | 1.00%
Others | (1.00%) |  |
Underlying effective tax rate | 26.00% | 26.00% | 27.00%
Non-underlying items within operating profit | 1.00% |  | 1.00%
Premium paid on buy back of preference shares | 1.00% |  |
Impact of US tax reform | (7.00%) |  |
Effective tax rate | 21.00% | 26.00% | 28.00%

X
- Definition The applicable income tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2016-01-13 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2016-03-30&anchor=para_81_c_ii&doctype=Standard -URIDate 2016-03-31 + Details
Name: | ifrs-full_ApplicableTaxRate
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The tax expense (income) divided by the accounting profit. [Refer: Accounting profit] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2016-01-13 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2016-03-30&anchor=para_81_c_ii&doctype=Standard -URIDate 2016-03-31 + Details
Name: | ifrs-full_AverageEffectiveTaxRate
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from the expenses not deductible in determining taxable profit. [Refer: Average effective tax rate; Applicable tax rate] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2016-01-13 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2016-03-30&anchor=para_81_c_ii&doctype=Standard -URIDate 2016-03-31 + Details
Name: | ifrs-full_TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax rate effect impact of US federal tax reform. + References No definition available. + Details
Name: | ul_TaxRateEffectImpactOfUSFederalTaxReform
Namespace Prefix: | ul_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from incentive tax credit. + References No definition available. + Details
Name: | ul_TaxRateEffectOfIncentiveTaxCredits
Namespace Prefix: | ul_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax rate effect of income tax reserve adjustments current and prior periods. + References No definition available. + Details
Name: | ul_TaxRateEffectOfIncomeTaxReserveAdjustmentsCurrentAndPriorPeriods
Namespace Prefix: | ul_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from irrecoverable withholding tax. + References No definition available. + Details
Name: | ul_TaxRateEffectOfIrrecoverableWitholdingTax
Namespace Prefix: | ul_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax rate effect of non-underlying items within operating profit. + References No definition available. + Details
Name: | ul_TaxRateEffectOfNonunderlyingItemsWithinOperatingProfit
Namespace Prefix: | ul_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax rate effect of premium paid on buy back of preference shares. + References No definition available. + Details
Name: | ul_TaxRateEffectOfPremiumPaidOnBuyBackOfPreferenceShares
Namespace Prefix: | ul_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from transfer to/(from) unrecognised deferred tax assets. + References No definition available. + Details
Name: | ul_TaxRateEffectOfTransferToFromUnrecognisedDeferredTaxAssets
Namespace Prefix: | ul_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from withholding tax on dividends. + References No definition available. + Details
Name: | ul_TaxRateEffectOfWithholdingTaxOnDividends
Namespace Prefix: | ul_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax rate effect others. + References No definition available. + Details
Name: | ul_TaxRateEffectOthers
Namespace Prefix: | ul_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Underlying effective tax rate. + References No definition available. + Details
Name: | ul_UnderlyingEffectiveTaxRate
Namespace Prefix: | ul_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration