WPP plc (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 1001 - Document - Document and Entity Information Network

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 http://www.wpp.com/taxonomy/role/DocumentandEntityInformation
2 Implied Table Table

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3 Document and entity information [abstract] Abstract wpp:DocumentAndEntityInformationAbstract
4 Document Type Concept (Submission Type) For Period dei:DocumentType
5 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
6 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
7 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
8 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
9 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
10 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
11 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
12 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
13 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
14 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
15 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
16 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
17 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
18 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
19 1003 - Statement - Consolidated Income Statement Network

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 http://www.wpp.com/taxonomy/role/StatementOfComprehensiveIncomeProfitOrLossByFunctionOfExpense-310000
20 Implied Table Table

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21 Profit or loss [abstract] Abstract ifrs-full:IncomeStatementAbstract
22 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
23 Costs of services Concept (Monetary) For Period Debit ifrs-full:CostOfSales
24 Gross profit Concept (Monetary) For Period Credit ifrs-full:GrossProfit
25 General and administrative costs Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
26 Operating profit Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
27 Share of results of associates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
28 Profit before interest and taxation Concept (Monetary) For Period Credit wpp:ProfitLossBeforeInterestAndTaxation
29 Finance income Concept (Monetary) For Period Credit wpp:FinanceIncome1
30 Finance costs Concept (Monetary) For Period Debit wpp:FinanceCosts1
31 Revaluation of financial instruments Concept (Monetary) For Period Credit wpp:RevaluationOfFinancialInstruments
32 Profit before taxation Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
33 Taxation Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
34 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
35 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
36 Equity holders of the parent Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
37 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
38 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
39 Earnings per share Abstract ifrs-full:EarningsPerShareAbstract
40 Basic earnings per ordinary share Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
41 Diluted earnings per ordinary share Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
42 1004 - Statement - Consolidated Statement of Comprehensive Income Network

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 http://www.wpp.com/taxonomy/role/StatementOfComprehensiveIncomeOCIComponentsPresentedNetOfTax-410000
43 Implied Table Table

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44 Statement of comprehensive income [abstract] Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
45 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
46 Items that may be reclassified subsequently to profit or loss: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
47 Exchange adjustments on foreign currency net investments Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
48 Gain/(loss) on revaluation of available for sale investments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax
49 Items that may be reclassified subsequently to profit or loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
50 Items that will not be reclassified subsequently to profit or loss: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
51 Actuarial gain/(loss) on defined benefit pension plans Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
52 Deferred tax on defined benefit pension plans Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
53 Movements on equity investments held at fair value through other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments
54 Items that will not be reclassified subsequently to profit or loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax
55 Other comprehensive (loss)/income for the year Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
56 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
57 Attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
58 Equity holders of the parent Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
59 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
60 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
61 1005 - Statement - Consolidated Cash Flow Statement Network

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 http://www.wpp.com/taxonomy/role/StatementOfCashFlowsDirectMethod-510000
62 Implied Table Table

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63 Statement of cash flows [abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
64 Net cash inflow from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
65 Investing activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
66 Acquisitions Concept (Monetary) For Period Credit wpp:AcquisitionsClassifiedAsInvestingActivities
67 Proceeds on disposal of investments and subsidiaries Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
68 Purchases of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
69 Purchases of other intangible assets (including capitalised computer software) Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
70 Proceeds on disposal of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
71 Net cash inflow/(outflow) from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
72 Financing activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
73 Share option proceeds Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
74 Cash consideration for non-controlling interests Concept (Monetary) For Period Credit wpp:CashConsiderationForNonControllingInterests
75 Share repurchases and buy-backs Concept (Monetary) For Period Credit ifrs-full:PaymentsToAcquireOrRedeemEntitysShares
76 Net (decrease)/increase in borrowings Concept (Monetary) For Period Credit wpp:ProceedsFromOrRepaymentsOfBorrowingsClassifiedAsFinancingActivities
77 Financing and share issue costs Concept (Monetary) For Period Credit wpp:PaymentsForFinancingAndShareIssueCosts
78 Equity dividends paid Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities
79 Dividends paid to non-controlling interests in subsidiary undertakings Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities
80 Net cash outflow from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
81 Net increase/(decrease) in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
82 Translation of cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
83 Cash and cash equivalents at beginning of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
84 Cash and cash equivalents at end of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
85 1006 - Statement - Consolidated Balance Sheet Network

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 http://www.wpp.com/taxonomy/role/StatementOfFinancialPositionCurrentNonCurrent-210000
86 Implied Table Table

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87 Statement of financial position [abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
88 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
89 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
90 Other Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
91 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
92 Interests in associates and joint ventures Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
93 Other investments Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
94 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
95 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivables
96 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
97 Current assets Abstract ifrs-full:CurrentAssetsAbstract
98 Corporate income tax recoverable Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssetsCurrent
99 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
100 Cash and short-term deposits Concept (Monetary) As Of Debit wpp:CashAndShortTermDeposits
101 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
102 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
103 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
104 Corporate income tax payable Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
105 Bank overdrafts, bonds and bank loans Concept (Monetary) As Of Credit wpp:BankOverdraftsAndBondsAndLoansCurrent
106 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
107 Net current liabilities Concept (Monetary) As Of Debit ifrs-full:CurrentAssetsLiabilities
108 Total assets less current liabilities Concept (Monetary) As Of Debit ifrs-full:AssetsLessCurrentLiabilities
109 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
110 Bonds and bank loans Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
111 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayables
112 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
113 Provision for post-employment benefits Concept (Monetary) As Of Credit wpp:ProvisionForPostEmploymentBenefits
114 Provisions for liabilities and charges Concept (Monetary) As Of Credit wpp:ProvisionsForLiabilitiesAndCharges
115 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
116 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
117 Equity Abstract ifrs-full:EquityAbstract
118 Called-up share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
119 Share premium account Concept (Monetary) As Of Credit ifrs-full:SharePremium
120 Other reserves Concept (Monetary) As Of Credit ifrs-full:OtherReserves
121 Own shares Concept (Monetary) As Of Debit ifrs-full:TreasuryShares
122 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
123 Equity shareholder's funds Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
124 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
125 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
126 1007 - Statement - Consolidated Statement of Changes in Equity Network

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 http://www.wpp.com/taxonomy/role/StatementOfChangesInEquity-610000
127 Statement of changes in equity [table] Table

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 ifrs-full:StatementOfChangesInEquityTable
128 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
129 Equity [member] Member ifrs-full:EquityMember
130 Called-up share capital [member] Member ifrs-full:IssuedCapitalMember
131 Share premium account [member] Member ifrs-full:SharePremiumMember
132 Other reserves [member] Member ifrs-full:OtherReservesMember
133 Own shares [member] Member ifrs-full:TreasurySharesMember
134 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
135 Total equity share owner's funds [member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
136 Non-controlling interests [member] Member ifrs-full:NoncontrollingInterestsMember
137 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
138 Accounting policy change (IFRS 9) Concept (Monetary) For Period Credit wpp:IncreaseDecreaseDueToTheAdoptionOfIFRS9
139 Beginning balance Concept (Monetary) As Of Credit ifrs-full:Equity
140 Beginning balance, revised Concept (Monetary) As Of Credit wpp:StockholdersEquityAdjustedBalance
141 Ordinary shares issued Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
142 Treasury share additions Concept (Monetary) For Period Debit ifrs-full:PurchaseOfTreasuryShares
143 Treasury share allocations Concept (Monetary) For Period Credit ifrs-full:SaleOrIssueOfTreasuryShares
144 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
145 Exchange adjustments on foreign currency net investments Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
146 Movements on equity investments held at fair value through other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments
147 Gain/(loss) on revaluation of available for sale investments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax
148 Actuarial gain(loss) on defined benefit pension plans Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
149 Deferred tax on defined benefit pension plans Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
150 Other comprehensive (loss)/income for the year Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
151 Dividends paid Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
152 Non-cash share-based incentive plans (including share options) Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
153 Tax adjustment on share-based payments Concept (Monetary) For Period Debit ifrs-full:DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions
154 Net movement in own shares held by ESOP Trusts Concept (Monetary) For Period Debit wpp:NetMovementInOwnSharesHeldByESOPTrusts
155 Recognition/remeasurement of financial instruments Concept (Monetary) For Period Credit wpp:RecognitionRemeasurementsOfFinancialInstruments
156 Share purchases - close period commitments Concept (Monetary) For Period Credit wpp:IncreaseDecreaseThroughSharePurchasesClosePeriodCommitments
157 Acquisition of subsidiaries Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
158 End of year Concept (Monetary) As Of Credit ifrs-full:Equity
159 1008 - Disclosure - Accounting policies Network

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 http://www.wpp.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
160 Implied Table Table

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161 Text block [abstract] Abstract wpp:TextBlockAbstract
162 Accounting policies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
163 1009 - Disclosure - General information Network

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 http://www.wpp.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
164 Implied Table Table

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165 Text block [abstract] Abstract wpp:TextBlockAbstract
166 General information Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
167 1010 - Disclosure - Segment information Network

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168 Implied Table Table

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169 Text block [abstract] Abstract wpp:TextBlockAbstract
170 Segment information Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
171 1011 - Disclosure - Costs of services and general and administrative costs Network

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 http://www.wpp.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfExpensesExplanatory
172 Implied Table Table

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173 Text block [abstract] Abstract wpp:TextBlockAbstract
174 Costs of services and general and administrative costs Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExpensesExplanatory
175 1012 - Disclosure - Share of results of associates Network

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176 Implied Table Table

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177 Text block [abstract] Abstract wpp:TextBlockAbstract
178 Share of results of associates Concept (Text Block (HTML)) For Period wpp:DisclosureOfShareOfProfitLossOfAssociatesExplanatory
179 1013 - Disclosure - Our people Network

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 http://www.wpp.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInformationAboutEmployeesExplanatory
180 Implied Table Table

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181 Text block [abstract] Abstract wpp:TextBlockAbstract
182 Our people Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutEmployeesExplanatory
183 1014 - Disclosure - Finance income, finance costs and revaluation of financial instruments Network

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 http://www.wpp.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinanceIncomeFinanceCostsAndRevaluationOfFinancialInstrumentsExplanatory
184 Implied Table Table

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185 Text block [abstract] Abstract wpp:TextBlockAbstract
186 Finance income, finance costs and revaluation of financial instruments Concept (Text Block (HTML)) For Period wpp:DisclosureOfFinanceIncomeFinanceCostsAndRevaluationOfFinancialInstrumentsExplanatory
187 1015 - Disclosure - Taxation Network

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 http://www.wpp.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatory
188 Implied Table Table

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189 Text block [abstract] Abstract wpp:TextBlockAbstract
190 Taxation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
191 1016 - Disclosure - Ordinary dividends Network

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192 Implied Table Table

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193 Text block [abstract] Abstract wpp:TextBlockAbstract
194 Ordinary dividends Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDividendsExplanatory
195 1017 - Disclosure - Earnings per share Network

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196 Implied Table Table

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197 Text block [abstract] Abstract wpp:TextBlockAbstract
198 Earnings per share Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
199 1018 - Disclosure - Sources of finance Network

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200 Implied Table Table

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201 Text block [abstract] Abstract wpp:TextBlockAbstract
202 Sources of finance Concept (Text Block (HTML)) For Period wpp:DisclosureOfSourcesOfFinanceExplanatory
203 1019 - Disclosure - Analysis of cash flows Network

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204 Implied Table Table

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205 Text block [abstract] Abstract wpp:TextBlockAbstract
206 Analysis of cash flows Concept (Text Block (HTML)) For Period wpp:DisclosureOfDetailedInformationAboutAnalysisOfCashFlowsExplanatory
207 1020 - Disclosure - Intangible assets Network

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 http://www.wpp.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIntangibleAssetsAndGoodwillExplanatory
208 Implied Table Table

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209 Text block [abstract] Abstract wpp:TextBlockAbstract
210 Intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory
211 1021 - Disclosure - Property, plant and equipment Network

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 http://www.wpp.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPropertyPlantAndEquipmentExplanatory
212 Implied Table Table

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213 Text block [abstract] Abstract wpp:TextBlockAbstract
214 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
215 1022 - Disclosure - Interests in associates, joint ventures and other investments Network

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216 Implied Table Table

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217 Investments accounted for using equity method [abstract] Abstract ifrs-full:InvestmentsAccountedForUsingEquityMethodAbstract
218 Interests in associates, joint ventures and other investments Concept (Text Block (HTML)) For Period wpp:DisclosureOfInterestsInAssociatesJointVenturesAndOtherInvestmentsExplanatory
219 1023 - Disclosure - Deferred tax Network

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220 Implied Table Table

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221 Text block [abstract] Abstract wpp:TextBlockAbstract
222 Deferred tax Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
223 1024 - Disclosure - Trade and other receivables Network

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224 Implied Table Table

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225 Text block [abstract] Abstract wpp:TextBlockAbstract
226 Trade and other receivables Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
227 1025 - Disclosure - Trade and other payables: amounts falling due within one year Network

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228 Statement [table] Table

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229 Maturity [axis] Axis ifrs-full:MaturityAxis
230 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
231 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
232 Statement [LineItems] LineItems wpp:StatementLineItems
233 Trade and other payables: amounts falling due within one year Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
234 1026 - Disclosure - Trade and other payables: amounts falling due after more than one year Network

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235 Implied Table Table

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236 Text block [abstract] Abstract wpp:TextBlockAbstract
237 Trade and other payables: amounts falling due after more than one year Concept (Text Block (HTML)) For Period wpp:DisclosureOfTradeAndOtherPayablesAmountsFallingDueAfterMoreThanOneYearExplanatory
238 1027 - Disclosure - Bank overdrafts, bonds and bank loans Network

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 http://www.wpp.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBankOverdraftBondsAndBankLoansExplanatory
239 Implied Table Table

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240 Text block [abstract] Abstract wpp:TextBlockAbstract
241 Bank overdrafts, bonds and bank loans Concept (Text Block (HTML)) For Period wpp:DisclosureOfBankOverdraftBondsAndBankLoansExplanatory
242 1028 - Disclosure - Provisions for liabilities and charges Network

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243 Implied Table Table

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244 Text block [abstract] Abstract wpp:TextBlockAbstract
245 Provisions for liabilities and charges Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfProvisionsExplanatory
246 1029 - Disclosure - Share-based payments Network

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247 Implied Table Table

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248 Text block [abstract] Abstract wpp:TextBlockAbstract
249 Share-based payments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
250 1030 - Disclosure - Provision for post-employment benefits Network

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 http://www.wpp.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEmployeeBenefitsExplanatory
251 Implied Table Table

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252 Text block [abstract] Abstract wpp:TextBlockAbstract
253 Provision for post-employment benefits Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
254 1031 - Disclosure - Risk management policies Network

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255 Implied Table Table

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256 Text block [abstract] Abstract wpp:TextBlockAbstract
257 Risk management policies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
258 1032 - Disclosure - Financial instruments Network

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259 Implied Table Table

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260 Text block [abstract] Abstract wpp:TextBlockAbstract
261 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
262 1033 - Disclosure - Authorised and issued share capital Network

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263 Implied Table Table

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264 Text block [abstract] Abstract wpp:TextBlockAbstract
265 Authorised and issued share capital Concept (Text Block (HTML)) For Period wpp:DisclosureOfAuthorisedAndIssuedShareCapitalExplanatory
266 1034 - Disclosure - Other reserves Network

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267 Implied Table Table

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268 Text block [abstract] Abstract wpp:TextBlockAbstract
269 Other reserves Concept (Text Block (HTML)) For Period wpp:DisclosureOfOtherReservesExplanatory
270 1035 - Disclosure - Acquisitions Network

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271 Implied Table Table

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272 Text block [abstract] Abstract wpp:TextBlockAbstract
273 Acquisitions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBusinessCombinationsExplanatory
274 1036 - Disclosure - Related party transactions Network

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275 Implied Table Table

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276 Text block [abstract] Abstract wpp:TextBlockAbstract
277 Related party transactions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
278 1037 - Disclosure - Reconciliation of profit before interest and taxation to headline PBIT Network

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279 Implied Table Table

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280 Text block [abstract] Abstract wpp:TextBlockAbstract
281 Reconciliation of profit before interest and taxation to headline PBIT Concept (Text Block (HTML)) For Period wpp:ReconciliationOfProfitBeforeInterestAndTaxationToHeadlinePBITExplanatory
282 1038 - Disclosure - Condensed consolidating financial information for bonds issued Network

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283 Statement [table] Table

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284 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
285 Consolidated [member] Member ifrs-full:ConsolidatedMember
286 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Jubilee Limited and WPP 2005 Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPJubileeLimitedAndWPP2005LimitedAsSubsidiaryGuarantorsMember
287 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPAir1WPP2008LimitedWPP2005LimitedWPP2012LimitedAndWPPJubileeLimitedAsSubsidiaryGuarantorsMember
288 Statement [LineItems] LineItems wpp:StatementLineItems
289 Condensed consolidating financial information for bonds issued Concept (Text Block (HTML)) For Period srt:CondensedFinancialStatementsTextBlock
290 1039 - Disclosure - Accounting policies (Policies) Network

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291 Implied Table Table

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292 Text block [abstract] Abstract wpp:TextBlockAbstract
293 Basis of preparation Concept (Text Block (HTML)) For Period wpp:DescriptionOfAccountingPolicyForBasisOfPreparationExplanatory
294 Basis of consolidation Concept (Text Block (HTML)) For Period wpp:DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatory
295 New IFRS accounting pronouncements Concept (Text Block (HTML)) For Period wpp:DescriptionOfAccountingPolicyForNewAccountingPronouncementsExplanatory
296 Goodwill and other intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory
297 Contingent consideration Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory
298 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
299 Interests in associates and joint ventures Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory
300 Other investments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory
301 Accrued and deferred income Concept (Text Block (HTML)) For Period wpp:DescriptionOfAccountingPolicyForAccruedAndDeferredIncomeExplanatory
302 Trade receivables and work in progress Concept (Text Block (HTML)) For Period wpp:DescriptionOfAccountingPolicyForTradeReceivablesAndWorkInProgressExplanatory
303 Foreign currency and interest rate hedging Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory
304 Liabilities in respect of option agreements Concept (Text Block (HTML)) For Period wpp:DescriptionOfAccountingPolicyForLiabilitiesInRespectOfOptionAgreementsExplanatory
305 Derecognition of financial liabilities Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForDerecognitionOfFinancialInstrumentsExplanatory
306 Debt Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBorrowingsExplanatory
307 Borrowing costs Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory
308 Revenue recognition Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
309 Taxation Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory
310 Retirement benefit costs Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
311 Provisions for liabilities and charges Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
312 Finance leases Concept (Text Block (HTML)) For Period wpp:DescriptionOfAccountingPolicyForFinanceLeasesExplanatory
313 Operating leases Concept (Text Block (HTML)) For Period wpp:DescriptionOfAccountingPolicyForOperatingLeasesExplanatory
314 Translation of foreign currencies Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
315 Share-based payments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory
316 Critical judgements and estimation uncertainty in applying accounting policies Concept (Text Block (HTML)) For Period wpp:DescriptionOfAccountingPolicyForCriticalAccountingJudgmentsAndEstimationUncertaintyExplanatory
317 1040 - Disclosure - Accounting policies (Tables) Network

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318 Implied Table Table

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319 Text block [abstract] Abstract wpp:TextBlockAbstract
320 Summary of the Impact of Adopting IFRS 15 Concept (Text Block (HTML)) For Period wpp:DisclosureOfImpactOfAdoptionOfIfrs15Explanatory
321 Summary of Estimated Useful Life of Intangible Assets Concept (Text Block (HTML)) For Period wpp:DisclosureOfIntangibleAssetEstimatedUsefulLifeExplanatory
322 Summary of Estimated Useful Life of Property, Plant and Equipment Concept (Text Block (HTML)) For Period wpp:DisclosureOfDetailedInformationAboutEstimatedUsefulLifeOfPropertyPlantAndEquipmentExplanatory
323 1041 - Disclosure - Segment information (Tables) Network

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324 Implied Table Table

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325 Text block [abstract] Abstract wpp:TextBlockAbstract
326 Contributions by Reportable Segments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
327 Contributions by Geographical Area Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeographicalAreasExplanatory
328 1042 - Disclosure - Costs of services and general and administrative costs (Tables) Network

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329 Implied Table Table

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330 Text block [abstract] Abstract wpp:TextBlockAbstract
331 Costs of Services and General Administrative Costs Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExpensesByNatureExplanatory
332 Auditors' Remuneration Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAuditorsRemunerationExplanatory
333 Operating Lease Concept (Text Block (HTML)) For Period wpp:DisclosureOfOperatingLeaseExplanatory
334 Minimum Committed Annual Rentals Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory
335 1043 - Disclosure - Share of results of associates (Tables) Network

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336 Implied Table Table

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337 Text block [abstract] Abstract wpp:TextBlockAbstract
338 Summary of Share of Results of Associates Concept (Text Block (HTML)) For Period wpp:DisclosureOfDetailedInformationAboutShareOfProfitLossOfAssociatesExplanatory
339 1044 - Disclosure - Our people (Tables) Network

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340 Implied Table Table

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341 Text block [abstract] Abstract wpp:TextBlockAbstract
342 Geographical Distribution of Staff Concept (Text Block (HTML)) For Period wpp:DisclosureOfGeographicalDistributionOfStaffExplanatory
343 Reportable Segment Distribution of Staff Concept (Text Block (HTML)) For Period wpp:DisclosureOfOperatingSectorDistributionOfStaffExplanatory
344 Staff costs Concept (Text Block (HTML)) For Period wpp:DisclosureOfStaffingCostsExplanatory
345 1045 - Disclosure - Finance income, finance costs and revaluation of financial instruments (Tables) Network

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346 Implied Table Table

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347 Text block [abstract] Abstract wpp:TextBlockAbstract
348 Summary of Finance Income, Finance Costs and Revaluation of Financial Instruments Concept (Text Block (HTML)) For Period wpp:DisclosureOfDetailedInformationAboutFinanceIncomeFinanceCostsAndRevaluationOfFinancialInstrumentsExplanatory
349 1046 - Disclosure - Taxation (Tables) Network

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350 Implied Table Table

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351 Text block [abstract] Abstract wpp:TextBlockAbstract
352 Tax Charge Concept (Text Block (HTML)) For Period wpp:DisclosureOfComponentsOfIncomeTaxExplanatory
353 Tax Charge Reconciled to Profit Before Taxation Concept (Text Block (HTML)) For Period wpp:DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseExplanatory
354 1047 - Disclosure - Ordinary dividends (Tables) Network

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355 Implied Table Table

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356 Text block [abstract] Abstract wpp:TextBlockAbstract
357 Summary of Ordinary Dividends Concept (Text Block (HTML)) For Period wpp:DisclosureOfDetailedInformationAboutDividendsExplanatory
358 1048 - Disclosure - Earnings per share (Tables) Network

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359 Implied Table Table

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360 Text block [abstract] Abstract wpp:TextBlockAbstract
361 Calculation of Basic and Diluted EPS Concept (Text Block (HTML)) For Period ifrs-full:EarningsPerShareExplanatory
362 Reconciliation Between Shares Used in Calculating Basic and Diluted EPS Concept (Text Block (HTML)) For Period wpp:DisclosureOfReconciliationOfSharesUsedInCalculationOfBasicAndDilutedEarningsPerShareExplanatory
363 1049 - Disclosure - Sources of finance (Tables) Network

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364 Implied Table Table

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365 Text block [abstract] Abstract wpp:TextBlockAbstract
366 Summary of Equity and Debt Financing Concept (Text Block (HTML)) For Period wpp:DisclosureOfEquityAndDebtFinancingExplanatory
367 Analysis of Future Anticipated Cash Flows in Relation to Group's Financial Derivatives and Debt Concept (Text Block (HTML)) For Period ifrs-full:MaturityAnalysisForDerivativeFinancialLiabilities
368 Analysis of Fixed and Floating Rate Debt by Currency Concept (Text Block (HTML)) For Period wpp:DisclosureOfAnalysisOfFixedAndFloatingRateDebtByCurrencyExplanatory
369 1050 - Disclosure - Analysis of cash flows (Tables) Network

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370 Implied Table Table

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371 Text block [abstract] Abstract wpp:TextBlockAbstract
372 Summary of Analysis of Cash Flows Concept (Text Block (HTML)) For Period wpp:DisclosureOfAnalysisOfCashFlowsExplanatory
373 1051 - Disclosure - Intangible assets (Tables) Network

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374 Implied Table Table

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375 Text block [abstract] Abstract wpp:TextBlockAbstract
376 Movements of Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGoodwillExplanatory
377 Cash-generating Units with Significant Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory
378 Movements of Other Intangible Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory
379 1052 - Disclosure - Property, plant and equipment (Tables) Network

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380 Implied Table Table

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381 Text block [abstract] Abstract wpp:TextBlockAbstract
382 Summary of Property, Plant and Equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
383 1053 - Disclosure - Interests in associates, joint ventures and other investments (Tables) Network

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384 Implied Table Table

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385 Investments accounted for using equity method [abstract] Abstract ifrs-full:InvestmentsAccountedForUsingEquityMethodAbstract
386 Movements in Associates, Joint Ventures and Other Investments Concept (Text Block (HTML)) For Period wpp:DisclosureOfMovementsInAssociatesJointVenturesAndOtherInvestmentsExplanatory
387 Principal Associates and Joint Ventures Concept (Text Block (HTML)) For Period wpp:DisclosureOfSignificantInvestmentsInAssociatesAndJointVenturesExplanatory
388 Summary of Aggregate Financial Performance and Net Asset Position of Associates and Joint Ventures Concept (Text Block (HTML)) For Period wpp:DisclosureOfFinancialInformationAboutAssociatesAndJointVenturesExplanatory
389 1054 - Disclosure - Deferred tax (Tables) Network

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390 Implied Table Table

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391 Text block [abstract] Abstract wpp:TextBlockAbstract
392 Analysis of Deferred Tax Balances for Financial Reporting Purposes Concept (Text Block (HTML)) For Period wpp:DisclosureOfDetailedInformationAboutDeferredTaxAssetsAndLiabilitiesExplanatory
393 Movements of Major Gross Deferred Tax Assets Concept (Text Block (HTML)) For Period wpp:DisclosureOfMovementsOfMajorGrossDeferredTaxAssets
394 Movements of Gross Deferred Tax Liabilities Concept (Text Block (HTML)) For Period wpp:DisclosureOfMovementsOfMajorGrossDeferredTaxLiabilities
395 1055 - Disclosure - Trade and other receivables (Tables) Network

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396 Statement [table] Table

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397 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
398 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
399 Trade and other receivable [member] Member wpp:TradeAndOtherReceivableMember
400 Maturity [axis] Axis ifrs-full:MaturityAxis
401 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
402 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
403 Over 1 year [member] Member ifrs-full:LaterThanOneYearMember
404 Statement [LineItems] LineItems wpp:StatementLineItems
405 Summary of Trade and Other Receivables Concept (Text Block (HTML)) For Period wpp:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory
406 Ageing of Trade Receivables and Other Financial Assets Concept (Text Block (HTML)) For Period ifrs-full:AnalysisOfAgeOfFinancialAssetsThatArePastDueButNotImpaired
407 Bad Debt Provisions Concept (Text Block (HTML)) For Period wpp:DisclosureOfBadDebtProvisionsExplanatory
408 Summary of Aging Analysis of Invoice, Loss Allowance Concept (Text Block (HTML)) For Period wpp:DisclosureOfAgingAnalysisOfInvoiceLossAllowanceExplanatory
409 1056 - Disclosure - Trade and other payables: amounts falling due within one year (Tables) Network

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410 Statement [table] Table

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411 Maturity [axis] Axis ifrs-full:MaturityAxis
412 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
413 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
414 Statement [LineItems] LineItems wpp:StatementLineItems
415 Summary of Trade and Other Payables Concept (Text Block (HTML)) For Period wpp:DisclosureOfDetailedInformationAboutTradeAndOtherPayablesAboveOneYearExplanatory
416 1057 - Disclosure - Trade and other payables: amounts falling due after more than one year (Tables) Network

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417 Statement [table] Table

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418 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
419 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
420 Trade and Other Payable [member] Member wpp:TradeAndOtherPayableMember
421 Maturity [axis] Axis ifrs-full:MaturityAxis
422 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
423 Over 1 year [member] Member ifrs-full:LaterThanOneYearMember
424 Statement [LineItems] LineItems wpp:StatementLineItems
425 Summary of Trade and Other Payables Concept (Text Block (HTML)) For Period wpp:DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatory
426 Maturity Analysis for Non-derivative Financial Liabilities Concept (Text Block (HTML)) For Period wpp:MaturityAnalysisForContingentConsiderationExplanatory
427 Summary of Contingent Consideration Concept (Text Block (HTML)) For Period wpp:DisclosureOfContingentConsiderationExplanatory
428 1058 - Disclosure - Bank overdrafts, bonds and bank loans (Tables) Network

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429 Implied Table Table

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430 Text block [abstract] Abstract wpp:TextBlockAbstract
431 Bank Overdrafts, Bonds and Bank Loans Amounts Falling Due Within One Year Concept (Text Block (HTML)) For Period wpp:DisclosureOfDetailedInformationAboutBankOverdraftsBondsAndBankLoansCurrentExplanatory
432 Corporate Bonds and Bank Loans Amounts Falling Due After More Than One Year Concept (Text Block (HTML)) For Period wpp:DisclosureOfCorporateBondsAndBankLoansNoncurrentExplanatory
433 Maturity Analysis for Non-derivative Financial Liabilities Concept (Text Block (HTML)) For Period wpp:DisclosureOfCorporateBondsBankLoansAndOverdraftsIncludedWithinLiabilitiesFallDueForRepaymentExplanatory
434 1059 - Disclosure - Provisions for liabilities and charges (Tables) Network

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435 Implied Table Table

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436 Text block [abstract] Abstract wpp:TextBlockAbstract
437 Summary of Provisions for Liabilities and Charges Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherProvisionsExplanatory
438 1060 - Disclosure - Share-based payments (Tables) Network

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439 Implied Table Table

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440 Text block [abstract] Abstract wpp:TextBlockAbstract
441 Charges for Share-based Incentive Plans Concept (Text Block (HTML)) For Period ifrs-full:ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss
442 Movement on Ordinary Shares Granted for Significant Restricted Stock Plans Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory
443 1061 - Disclosure - Provision for post-employment benefits (Tables) Network

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444 Statement [table] Table

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445 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
446 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
447 Retirement benefit obligation [member] Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
448 Plan assets [member] Member ifrs-full:PlanAssetsMember
449 Statement [LineItems] LineItems wpp:StatementLineItems
450 Pension Costs Concept (Text Block (HTML)) For Period wpp:DisclosureOfPensionCostsExplanatory
451 Weighted Average Assumptions Used For Actuarial Valuations Concept (Text Block (HTML)) For Period wpp:DisclosureOfAssumptionsUsedForActuarialValuationsExplanatory
452 Life Expectancies For Defined Benefit Pension Plans Concept (Text Block (HTML)) For Period wpp:DisclosureOfLifeExpectanciesForDefinedBenefitPensionPlansExplanatory
453 Weighted Average Duration of Defined Benefit Pension Obligations and Distribution of Timing of Benefit Payments Concept (Text Block (HTML)) For Period wpp:DisclosureOfWeightedAverageDurationOfDefinedBenefitPensionObligationsAndDistributionOfTimingOfBenefitPaymentsExplanatory
454 Sensitivity Analysis of Significant Actuarial Assumptions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory
455 Fair Value of Assets and Assessed Present Value of Liabilities in Pension Plans Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueOfPlanAssetsExplanatory
456 Surplus/(Deficit) in Plans by Region Concept (Text Block (HTML)) For Period wpp:DisclosureOfNetSurplusDeficitInPlansByRegionExplanatory
457 Funded and Unfunded Pension Plans By Region Concept (Text Block (HTML)) For Period wpp:DisclosureOfFundedAndUnfundedPensionPlansByRegionExplanatory
458 Pension Expense Charged to Operating Profit, Amounts Charged to Finance Costs and Amounts Recognised in Consolidated Statement of Comprehensive Income (OCI) Concept (Text Block (HTML)) For Period wpp:DisclosureOfPensionExpenseExplanatory
459 Movement in Pension Plan Assets and Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory
460 1062 - Disclosure - Risk management policies (Tables) Network

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461 Implied Table Table

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462 Text block [abstract] Abstract wpp:TextBlockAbstract
463 Committed Facilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
464 1063 - Disclosure - Financial instruments (Tables) Network

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465 Implied Table Table

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466 Text block [abstract] Abstract wpp:TextBlockAbstract
467 Analysis of Financial Assets and Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
468 Analysis of Financial Instruments Measured at Fair Value Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory
469 1064 - Disclosure - Authorised and issued share capital (Tables) Network

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470 Statement [table] Table

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471 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
472 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
473 WPP Executive Share Option Scheme [member] Member wpp:WPPExecutiveShareOptionSchemeMember
474 WPP Worldwide Share Ownership Program [member] Member wpp:WPPWorldwideShareOwnershipProgramMember
475 WPP Share Option Plan 2015 [member] Member wpp:WPPShareOptionPlan2015Member
476 Statement [LineItems] LineItems wpp:StatementLineItems
477 Summary of Authorised and Issued Share Capital Concept (Text Block (HTML)) For Period wpp:DisclosureOfDetailedInformationAboutAuthorisedAndIssuedShareCapitalExplanatory
478 Options Granted Concept (Text Block (HTML)) For Period wpp:DisclosureOfNumberExercisePriceAndExerciseDatesOfOptionsGrantedExplanatory
479 Movements and Weighted-average Exercise Price for Options Granted Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory
480 Range of Exercise Prices of Options Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory
481 Weighted Average Fair Value of Options Granted and Weighted Average Assumptions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory
482 1065 - Disclosure - Other reserves (Tables) Network

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483 Implied Table Table

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484 Text block [abstract] Abstract wpp:TextBlockAbstract
485 Summary of Other Reserves Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReservesAndOtherEquityInterestExplanatory
486 1066 - Disclosure - Acquisitions (Tables) Network

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487 Implied Table Table

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488 Text block [abstract] Abstract wpp:TextBlockAbstract
489 Book Values of Identifiable Assets and Liabilities Acquired and Their Fair Value Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory
490 1067 - Disclosure - Reconciliation of profit before interest and taxation to headline PBIT (Tables) Network

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491 Implied Table Table

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492 Text block [abstract] Abstract wpp:TextBlockAbstract
493 Summary of Reconciliation of Profit Before Interest and Taxation to Headline PBIT Concept (Text Block (HTML)) For Period wpp:DisclosureOfDetailedInformationAboutReconciliationOfProfitBeforeInterestAndTaxationToHeadlineProfitBeforeInterestAndTaxationExplanatory
494 1068 - Disclosure - Condensed consolidating financial information for bonds issued (Tables) Network

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495 Statement [table] Table

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496 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
497 Consolidated [member] Member ifrs-full:ConsolidatedMember
498 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPAir1WPP2008LimitedWPP2005LimitedWPP2012LimitedAndWPPJubileeLimitedAsSubsidiaryGuarantorsMember
499 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Jubilee Limited and WPP 2005 Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPJubileeLimitedAndWPP2005LimitedAsSubsidiaryGuarantorsMember
500 Statement [LineItems] LineItems wpp:StatementLineItems
501 Condensed Consolidating Income Statement Information Concept (Text Block (HTML)) For Period wpp:DisclosureOfCondensedConsolidatingIncomeStatementExplanatory
502 Condensed Consolidating Statement of Comprehensive Income Concept (Text Block (HTML)) For Period wpp:DisclosureOfCondensedConsolidatingStatementOfComprehensiveIncomeExplanatory
503 Condensed Consolidating Cash Flow Statement Information Concept (Text Block (HTML)) For Period wpp:DisclosureOfCondensedConsolidatingCashFlowStatementExplanatory
504 Condensed Consolidating Balance Sheet Information Concept (Text Block (HTML)) For Period wpp:DisclosureOfCondensedConsolidatingBalanceSheetExplanatory
505 1069 - Disclosure - Accounting policies - IFRS 16 Implementation - Additional Information (Detail) Network

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506 Disclosure of Expected Impact of Initial Application of New Standards or Interpretations [table] Table

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507 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
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513 Top of range [member] Member ifrs-full:TopOfRangeMember
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515 Right-of-use asset Concept (Monetary) As Of Debit ifrs-full:RightofuseAssets
516 Lease liability Concept (Monetary) As Of Credit ifrs-full:LeaseLiabilities
517 Increase to operating margin Concept (Decimal) For Period wpp:ChangeInOperatingMargin
518 Decrease to diluted earnings per share Concept (Monetary) For Period Debit wpp:ChangeInDilutedEarningsPerShare
519 1070 - Disclosure - Accounting policies - IFRS 9 and IFRS 15 Implementations - Additional Information (Detail) Network

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520 Disclosure of initial application of standards or interpretations [table] Table

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523 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
524 Other reserves [member] Member ifrs-full:OtherReservesMember
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526 Past due status [member] Member ifrs-full:PastDueStatusMember
527 181 days - 1 year [member] Member ifrs-full:LaterThanSixMonthsAndNotLaterThanOneYearMember
528 Over 1 year [member] Member ifrs-full:LaterThanOneYearMember
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532 Percentage of trade receivables for which loss allowance required Concept (Percent) As Of wpp:PercentageOfTradeReceivablesForWhichLossAllowanceRequired
533 1071 - Disclosure - Accounting policies - Summary of the Impact of Adopting IFRS 15 (Detail) Network

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534 Disclosure of expected impact of initial application of new standards or interpretations [table] Table

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537 Previously stated [member] Member ifrs-full:PreviouslyStatedMember
538 Impact due to adoption of IFRS 15 [member] Member ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
539 Disclosure of initial application of standards or interpretations [line items] LineItems ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems
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541 Costs of services Concept (Monetary) For Period Debit ifrs-full:CostOfSales
542 Gross profit Concept (Monetary) For Period Credit ifrs-full:GrossProfit
543 1072 - Disclosure - Accounting policies - Summary of Estimated Useful Life of Intangible Assets (Detail) Network

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544 Disclosure of detailed information about intangible assets [table] Table

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548 Top of range [member] Member ifrs-full:TopOfRangeMember
549 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
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551 Brand names [member] Member ifrs-full:BrandNamesMember
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553 Other proprietary tools [member] Member wpp:OtherProprietaryToolsMember
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555 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
556 Intangible assets, estimated useful life Concept (xbrli:durationItemType) For Period wpp:IntangibleAssetsOtherThanGoodwillEstimatedUsefulLife
557 1073 - Disclosure - Accounting policies - Summary of Estimated Useful Life of Property, Plant and Equipment (Detail) Network

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558 Disclosure of detailed information about property, plant and equipment [table] Table

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562 Top of range [member] Member ifrs-full:TopOfRangeMember
563 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
564 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
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567 Fixtures, fittings and equipment [Member] Member ifrs-full:FixturesAndFittingsMember
568 Computer equipment [member] Member ifrs-full:ComputerEquipmentMember
569 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
570 Property, plant and equipment, estimated useful life Concept (xbrli:durationItemType) For Period wpp:PropertyPlantAndEquipmentEstimatedUsefulLife
571 Property, plant and equipment, estimated useful life Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
572 1074 - Disclosure - Accounting policies - Hyperinflation in Argentina - Additional Information (Detail) Network

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573 Disclosure of initial application of standards or interpretations [table] Table

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579 Increase in other intangibles due to hyperinflation Concept (Monetary) For Period Debit wpp:HyperinflationaryAdjustmentOtherIntangibles
580 1075 - Disclosure - Segment information - Additional Information (Detail) Network

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581 Implied Table Table

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582 Disclosure of operating segments [abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
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584 1076 - Disclosure - Segment information - Contributions by Reportable Segments (Detail) Network

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585 Disclosure of operating segments [table] Table

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589 Data investment management [member] Member wpp:DataInvestmentManagementMember
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596 Headline PBIT margin Concept (Percent) For Period wpp:HeadlineProfitLossBeforeInterestAndTaxationMargin
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598 Capital additions Concept (Monetary) For Period Credit wpp:CapitalExpenditureAdditions
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601 Share of results of associates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
602 Interests in associates and joint ventures Concept (Monetary) As Of Debit wpp:InvestmentsInAssociatesAndJointVentures
603 1077 - Disclosure - Segment information - Contributions by Geographical Area (Detail) Network

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604 Disclosure of geographical areas [table] Table

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608 United Kingdom [member] Member country:GB
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610 Asia Pacific, Latin America, Africa & Middle East and Central & Eastern Europe [member] Member wpp:AsiaPacificLatinAmericaAfricaAndMiddleEastAndCentralAndEasternEuropeMember
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614 Headline PBIT Concept (Monetary) For Period Credit wpp:HeadlineProfitLossBeforeInterestAndTaxation
615 Headline PBIT margin Concept (Percent) For Period wpp:HeadlineProfitLossBeforeInterestAndTaxationMargin
616 Non-current assets Concept (Monetary) As Of Debit wpp:NoncurrentAssetsExcludingFinancialInstrumentsAndDeferredTax
617 1078 - Disclosure - Segment information - Contributions by Geographical Area (Parenthetical) (Detail) Network

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618 Disclosure of geographical areas [table] Table

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620 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
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622 Disclosure of geographical areas [line items] LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
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624 Revenue less pass-through costs Concept (Monetary) For Period Credit wpp:RevenueLessPassThroughCosts
625 Headline PBIT Concept (Monetary) For Period Credit wpp:HeadlineProfitLossBeforeInterestAndTaxation
626 Non-current assets Concept (Monetary) As Of Debit wpp:NoncurrentAssetsExcludingFinancialInstrumentsAndDeferredTax
627 1079 - Disclosure - Costs of services and general and administrative costs - Summary of Operating Costs (Detail) Network

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 http://www.wpp.com/taxonomy/role/DisclosureCostsOfServicesAndGeneralAndAdministrativeCostsSummaryOfOperatingCosts
628 Implied Table Table

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629 Analysis of income and expense [abstract] Abstract ifrs-full:AnalysisOfIncomeAndExpenseAbstract
630 Costs of services Concept (Monetary) For Period Debit ifrs-full:CostOfSales
631 General and administrative costs Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
632 Costs of services and general and administrative costs Concept (Monetary) For Period Debit wpp:CostsOfServicesAndGeneralAndAdministrativeCosts
633 Costs of services and general and administrative costs include: Abstract wpp:OtherCostsOfServicesAndGeneralAndAdministrativeCostAbstract
634 Staff costs (note 5) Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
635 Establishment costs Concept (Monetary) For Period Debit wpp:EstablishmentCosts
636 Media pass-through costs Concept (Monetary) For Period Debit wpp:MediaPassthroughCosts
637 Data collection pass-through costs Concept (Monetary) For Period Debit wpp:DataCollectionPassThroughCosts
638 Other costs of services and general and administrative costs Concept (Monetary) For Period Debit wpp:OtherCostsOfServicesAndGeneralAdministrativeCosts
639 Costs of services and general and administrative costs Concept (Monetary) For Period Debit wpp:CostsOfServicesAndGeneralAndAdministrativeCosts
640 Goodwill impairment (note 12) Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
641 Investment write-downs Concept (Monetary) For Period Debit wpp:InvestmentWriteDowns
642 Restructuring and transformation costs Concept (Monetary) For Period Debit wpp:RestructuringAndTransformationCosts
643 Amortisation and impairment of acquired intangible assets (note 12) Concept (Monetary) For Period Debit wpp:AdjustmentsForAmortisationAndImpairmentOfAcquiredIntangibleAssets
644 Amortisation of other intangible assets (note 12) Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
645 Depreciation of property, plant and equipment Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
646 Losses on sale of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfPropertyPlantAndEquipment
647 Gains on disposal of investments and subsidiaries Concept (Monetary) For Period Credit ifrs-full:GainsOnDisposalsOfInvestments
648 (Gains)/losses on remeasurement of equity interests arising from a change in scope of ownership Concept (Monetary) For Period Credit wpp:GainsLossesOnRemeasurementOfEquityInterestsArisingFromChangeInScopeOfOwnership
649 Net foreign exchange (gains)/losses Concept (Monetary) For Period Credit wpp:NetForeignExchangeGainLoss
650 1080 - Disclosure - Costs of services and general and administrative costs - Summary of Operating Costs (Parenthetical) (Detail) Network

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651 Implied Table Table

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652 Analysis of income and expense [abstract] Abstract ifrs-full:AnalysisOfIncomeAndExpenseAbstract
653 Other pass-through costs Concept (Monetary) For Period Debit wpp:OtherPassThroughCosts
654 1081 - Disclosure - Costs of services and general and administrative costs - Additional Information (Detail) Network

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655 Disclosure Of Information About Operating Cost [table] Table

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660 Cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis
661 Entity's total for cash-generating units [member] Member ifrs-full:EntitysTotalForCashgeneratingUnitsMember
662 VMLY&R [member] Member wpp:VMLYAndRMember
663 Legal Entity [Axis] Axis dei:LegalEntityAxis
664 Entity [Domain] Member dei:EntityDomain
665 comScore Inc. [member] Member wpp:ComScoreIncMember
666 Globant S.A. [member] Member wpp:GlobantSAMember
667 Asatsu-DK Inc. [member] Member wpp:AsatsuDKIncMember
668 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
669 Other provisions [member] Member ifrs-full:OtherProvisionsMember
670 Costs arising from a structural assessment of operations [member] Member wpp:StructuralReassessmentOfOperationsMember
671 Transformation cost [member] Member wpp:TransformationCostMember
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675 Credits relating to the release of excess provisions and other balances Concept (Monetary) For Period Credit wpp:ReleaseOfExcessProvisionsAndOtherBalancesRelatedToAcquisitions
676 Goodwill impairment Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
677 Goodwill impairment Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
678 Investment write-downs Concept (Monetary) For Period Debit wpp:InvestmentWriteDowns
679 Restructuring and transformation costs Concept (Monetary) For Period Debit wpp:RestructuringAndTransformationCosts
680 Gains on disposal of investments and subsidiaries Concept (Monetary) For Period Credit ifrs-full:GainsOnDisposalsOfInvestments
681 1082 - Disclosure - Costs of services and general and administrative costs - Auditor's Remuneration (Detail) Network

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682 Disclosure Of Information About Operating Cost [table] Table

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695 Other services pursuant to legislation Concept (Monetary) For Period Debit ifrs-full:AuditorsRemunerationForOtherServices
696 Fees payable to the auditors pursuant to legislation Concept (Monetary) For Period Debit wpp:AuditorsRemunerationForFeesPayableToAuditorsPursuantToLegislation
697 Auditors' remuneration for tax services Concept (Monetary) For Period Debit ifrs-full:AuditorsRemunerationForTaxServices
698 Total non-audit fees Concept (Monetary) For Period Debit wpp:AuditorsRemunerationForNonauditFees
699 Total fees Concept (Monetary) For Period Debit ifrs-full:AuditorsRemuneration
700 1083 - Disclosure - Costs of services and general and administrative costs - Summary of Operating Lease (Detail) Network

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701 Disclosure Of Information About Operating Cost [table] Table

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702 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
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708 Sublease income Concept (Monetary) For Period Credit ifrs-full:RentalIncome
709 Operating lease rentals, net of sublease income Concept (Monetary) For Period Debit wpp:GrossRentalPaymentsRecognisedAsExpenseNetOfSubleaseIncome
710 1084 - Disclosure - Costs of services and general and administrative costs - Minimum Committed Annual Rentals (Detail) Network

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 http://www.wpp.com/taxonomy/role/DisclosureCostsOfServicesAndGeneralAndAdministrativeCostsMinimumCommittedAnnualRentals
711 Disclosure of finance lease and operating lease by lessee [table] Table

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712 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
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718 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
719 Later than two years and not later than five years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember
720 Over five years [member] Member ifrs-full:LaterThanFiveYearsMember
721 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
722 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
723 Entering into significant commitments or contingent liabilities [member] Member ifrs-full:EnteringIntoSignificantCommitmentsOrContingentLiabilitiesMember
724 Disclosure of finance lease and operating lease by lessee [line items] LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
725 Amounts payable Concept (Monetary) As Of Credit wpp:MinimumGrossRentalPaymentsPayable
726 1085 - Disclosure - Costs of services and general and administrative costs - Minimum Annual Amounts Payable Under All Lease Commitments (Detail) Network

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727 Disclosure of finance lease and operating lease by lessee [table] Table

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728 Maturity [axis] Axis ifrs-full:MaturityAxis
729 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
730 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
731 Between one and two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
732 Between two and three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
733 Between three and four years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
734 Between four and five years [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
735 Over five years [member] Member ifrs-full:LaterThanFiveYearsMember
736 Disclosure of finance lease and operating lease by lessee [line items] LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
737 Minimum gross rental payments Concept (Monetary) As Of Credit wpp:MinimumGrossRentalPaymentsPayable
738 Less lease related costs Concept (Monetary) As Of Debit wpp:LeaseRelatedCosts
739 Minimum net rental payments Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
740 Less sub-let rentals Concept (Monetary) As Of Debit ifrs-full:ExpectedFutureMinimumSubleasePaymentsReceivableUnderNoncancellableSubleasesClassifiedAsOperatingLease
741 Net payment Concept (Monetary) As Of Credit wpp:NetLeasePayment
742 1086 - Disclosure - Share of results of associates - Summary of Share of Results of Associates (Detail) Network

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 http://www.wpp.com/taxonomy/role/DisclosureShareOfResultsOfAssociatesSummaryOfShareOfResultsOfAssociates
743 Implied Table Table

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744 Disclosure of associates [abstract] Abstract ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesAbstract
745 Share of profit before interest and taxation Concept (Monetary) For Period Credit wpp:ShareOfProfitBeforeInterestAndTaxationOfAssociates
746 Share of exceptional (losses)/gains Concept (Monetary) For Period Credit wpp:ShareOfExceptionalGainsLossesOfAssociates
747 Share of interest and non-controlling interests Concept (Monetary) For Period Debit wpp:ShareOfInterestAndNoncontrollingInterestsOfAssociates
748 Share of taxation Concept (Monetary) For Period Debit wpp:ShareOfTaxationOfAssociates
749 Share of profit loss of associates accounted for using equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
750 1087 - Disclosure - Our people - Additional Information (Detail) Network

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751 Disclosure of our people [table] Table

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752 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
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754 Leadership Equity Acquisition Plan III [member] Member wpp:LeadershipEquityAcquisitionPlanIIIMember
755 Disclosure of our people [line items] LineItems wpp:DisclosureOfOurPeopleLineItems
756 Average number of staff Concept (Decimal) For Period ifrs-full:AverageNumberOfEmployees
757 Staff numbers at the end of period Concept (Decimal) As Of ifrs-full:NumberOfEmployees
758 Share-based incentive plans in respect of key management personnel Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
759 Total compensation received by key management personnel Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
760 Compensation received by key management personnel in the form of pension contributions Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
761 LEAP awards vesting performance period Concept (xbrli:durationItemType) For Period wpp:AwardsVestingPerformancePeriod
762 1088 - Disclosure - Our people - Geographical Distribution of staff (Detail) Network

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763 Disclosure of geographical areas [table] Table

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765 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
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767 United Kingdom [member] Member country:GB
768 Western Continental Europe [member] Member wpp:WesternContinentalEuropeMember
769 Asia Pacific, Latin America, Africa & Middle East and Central & Eastern Europe [member] Member wpp:AsiaPacificLatinAmericaAfricaAndMiddleEastAndCentralAndEasternEuropeMember
770 Disclosure of geographical areas [line items] LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
771 Average number of staff Concept (Decimal) For Period ifrs-full:AverageNumberOfEmployees
772 1089 - Disclosure - Our people - Reportable Segment Distribution of Staff (Detail) Network

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773 Disclosure of operating segments [table] Table

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775 Segments [member] Member ifrs-full:SegmentsMember
776 Advertising and media investment management [member] Member wpp:AdvertisingAndMediaInvestmentManagementMember
777 Data investment management [member] Member wpp:DataInvestmentManagementMember
778 Public relations & public affairs [member] Member wpp:PublicRelationsAndPublicAffairsMember
779 Brand consulting, health & wellness and specialist communications [member] Member wpp:BrandConsultingHealthAndWellnessAndSpecialistCommunicationsMember
780 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
781 Average number of staff Concept (Decimal) For Period ifrs-full:AverageNumberOfEmployees
782 1090 - Disclosure - Our people - Staffing Costs (Detail) Network

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783 Implied Table Table

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785 Wages and salaries Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
786 Cash-based incentive plans Concept (Monetary) For Period Debit wpp:CashBasedIncentivePlans
787 Share-based incentive plans (note 21) Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
788 Social security costs Concept (Monetary) For Period Debit ifrs-full:SocialSecurityContributions
789 Pension costs (note 22) Concept (Monetary) For Period Debit wpp:PostemploymentBenefitExpenseDefinedContributionAndBenefitPlans
790 Severance Concept (Monetary) For Period Debit ifrs-full:TerminationBenefitsExpense
791 Other staff costs Concept (Monetary) For Period Debit ifrs-full:OtherEmployeeExpense
792 Staffing costs Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
793 1091 - Disclosure - Finance income, finance costs and revaluation of financial instruments - Summary of Finance Income, Finance Costs and Revaluation of Financial Instruments (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureFinanceIncomeFinanceCostsAndRevaluationOfFinancialInstrumentsSummaryOfFinanceIncomeFinanceCostsAndRevaluationOfFinancialInstruments
794 Implied Table Table

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*

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795 Analysis of income and expense [abstract] Abstract ifrs-full:AnalysisOfIncomeAndExpenseAbstract
796 Income from equity investments Concept (Monetary) For Period Credit ifrs-full:InvestmentIncome
797 Interest income Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnDebtInstrumentsHeld
798 Finance income Concept (Monetary) For Period Credit wpp:FinanceIncome1
799 Net interest expense on pension plans Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
800 Interest on other long-term employee benefits Concept (Monetary) For Period Debit wpp:InterestExpenseOnOtherLongtermEmployeeBenefits
801 Interest expense and similar charges Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBorrowings
802 Finance costs Concept (Monetary) For Period Debit wpp:FinanceCosts1
803 Movements in fair value of treasury instruments Concept (Monetary) For Period Credit wpp:GainsLossesInFairValueOfTreasuryInstruments
804 Revaluation of investments held at fair value through profit or loss Concept (Monetary) For Period Credit wpp:RevaluationOfInvestmentsHeldAtFairValueThroughProfitOrLoss
805 Revaluation of put options over non-controlling interests Concept (Monetary) For Period Credit wpp:RevaluationOfPutOptionsOverNoncontrollingInterest
806 Revaluation of payments due to vendors (earnout agreements) Concept (Monetary) For Period Credit wpp:RevaluationOfPaymentsDueToVendors
807 Revaluation of financial instruments Concept (Monetary) For Period Credit wpp:GainsLossesOnFinancialInstruments
808 1092 - Disclosure - Finance income, finance costs and revaluation of financial instruments - Additional Information (Detail) Network

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*

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809 Disclosure of detailed information about financial instruments [table] Table

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*

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811 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
812 US Dollar bonds [member] Member wpp:USDollarBondsMember
813 Eurobonds [member] Member wpp:EurobondsMember
814 Sterling bonds [member] Member wpp:SterlingBondsMember
815 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
816 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
817 US revolving credit facilities [member] Member wpp:USRevolvingCreditFacilitiesMember
818 US commercial paper [member] Member wpp:USCommercialPaperMember
819 Australian New Zealand revolving credit facilities [member] Member wpp:AustralianRevolvingCreditFacilitiesMember
820 Range [axis] Axis ifrs-full:RangeAxis
821 Ranges [member] Member ifrs-full:RangesMember
822 Weighted average [member] Member ifrs-full:WeightedAverageMember
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825 Average interest rate Concept (Percent) As Of wpp:LongtermBorrowingsAverageInterestRate
826 Average interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
827 1093 - Disclosure - Taxation - Additional Information (Detail) Network

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*

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828 Disclosure Of Income Taxes [table] Table

*

*

 wpp:DisclosureOfIncomeTaxesTable
829 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
830 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
831 United States [member] Member country:US
832 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
833 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
834 Changes in tax rates or tax laws enacted or announced [member] Member ifrs-full:ChangesInTaxRatesOrTaxLawsEnactedOrAnnouncedMember
835 Disclosure Of Income Taxes [line items] LineItems wpp:DisclosureOfIncomeTaxesLineItems
836 Effective tax rate on profit before taxation Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
837 Tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
838 Tax Cuts and Jobs Act revalued deferred tax assets and liabilities Concept (Monetary) For Period Credit wpp:TaxEffectOfTaxRateChangeOnDeferredTaxBalances
839 Tax Cuts and Jobs Act deemed repatriation tax charge related to unremitted foreign earnings Concept (Monetary) For Period Credit wpp:TaxEffectOfTransitionTaxRelatedToUnremittedForeignEarnings
840 Tax Cuts and Jobs Act payable period Concept (xbrli:durationItemType) For Period wpp:TaxCutsAndJobsAct2017PayablePeriod
841 1094 - Disclosure - Taxation - Tax Charge (Detail) Network

*

*

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842 Implied Table Table

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*

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844 Corporation tax Abstract ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract
845 Current year Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
846 Prior years Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
847 Corporation tax Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
848 Deferred tax Abstract ifrs-full:DeferredTaxExpenseIncomeAbstract
849 Current year Concept (Monetary) For Period Debit wpp:DeferredTaxExpenseIncomeCurrent
850 Prior years Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDeferredTaxOfPriorPeriods
851 Deferred tax Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
852 Tax charge Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
853 1095 - Disclosure - Taxation - Tax Charge Reconciled to Profit Before Taxation (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureTaxationTaxChargeReconciledToProfitBeforeTaxation
854 Implied Table Table

*

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856 Profit before taxation Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
857 Tax at the corporation tax rate of 19.0% Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
858 Tax effect of share of results of associates Concept (Monetary) For Period Debit wpp:TaxEffectOfShareOfResultsOfAssociates
859 Irrecoverable withholding taxes Concept (Monetary) For Period Debit wpp:TaxEffectOfIrrecoverableWithholdingTaxes
860 Items that are not deductible/(taxable) in determining taxable profit Concept (Monetary) For Period Debit wpp:TaxEffectOfExpenseNotDeductibleAndTaxableInDeterminingTaxableProfitTaxLoss
861 Effect of different tax rates in subsidiaries operating in other jurisdictions Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
862 US Transition Tax related to unremitted foreign earnings Concept (Monetary) For Period Credit wpp:TaxEffectOfTransitionTaxRelatedToUnremittedForeignEarnings
863 Effect of change in US tax rate on deferred tax balances Concept (Monetary) For Period Credit wpp:TaxEffectOfTaxRateChangeOnDeferredTaxBalances
864 Origination and reversal of unrecognised temporary differences Concept (Monetary) For Period Debit wpp:TaxEffectOfOriginationAndReversalOfUnrecognisedTemporaryDifferences
865 Tax losses not recognised or utilised in the year Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfTaxLosses
866 Utilisation of tax losses not previously recognised Concept (Monetary) For Period Debit wpp:TaxEffectOfTaxLossesNotPreviouslyRecognisedOrUtilised
867 Recognition of temporary differences not previously recognised Concept (Monetary) For Period Debit wpp:TaxEffectOfRecognitionOfTemporaryDifferencesNotPreviouslyRecognised
868 Net release of prior year provisions in relation to acquired businesses Concept (Monetary) For Period Debit wpp:TaxEffectOfNetReleaseOfPriorYearProvisionsInRelationToAcquiredBusiness
869 Other prior year adjustments Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
870 Tax charge Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
871 Effective tax rate on profit before tax Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
872 1096 - Disclosure - Taxation - Tax Charge Reconciled to Profit Before Taxation (Parenthetical) (Detail) Network

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*

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873 Implied Table Table

*

*

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874 Reconciliation of accounting profit multiplied by applicable tax rates [abstract] Abstract ifrs-full:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract
875 UK corporation tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
876 1097 - Disclosure - Ordinary dividends - Summary of Ordinary Dividends (Detail) Network

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*

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877 Disclosure of Dividends [table] Table

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*

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878 Maturity [axis] Axis ifrs-full:MaturityAxis
879 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
880 Previous period final amount [member] Member wpp:PreviousPeriodFinalAmountMember
881 Interim period amount [member] Member wpp:InterimPeriodAmountMember
882 Disclosure of Dividends [line items] LineItems wpp:DisclosureOfDividendsLineItems
883 Amounts recognised as distributions to equity holders, per share Concept (Share) For Period ifrs-full:DividendsPaidOrdinarySharesPerShare
884 Amounts recognised as distributions to equity holders Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities
885 Proposed final dividend, per share Concept (Share) For Period ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare
886 1098 - Disclosure - Earnings per share - Calculation of Basic and Diluted EPS (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureEarningsPerShareCalculationOfBasicAndDilutedEPS
887 Implied Table Table

*

*

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888 Earnings per share [abstract] Abstract ifrs-full:EarningsPerShareAbstract
889 Earnings Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
890 Average shares used in basic EPS calculation Concept (Shares) For Period ifrs-full:WeightedAverageShares
891 EPS Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
892 Diluted earnings Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects
893 Average shares used in diluted EPS calculation Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
894 Diluted EPS Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
895 1099 - Disclosure - Earnings per share - Additional Information (Detail) Network

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*

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896 Earnings per share [table] Table

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*

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897 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
898 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
899 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
900 Earnings per share [line items] LineItems ifrs-full:EarningsPerShareLineItems
901 Shares excluded from the computation of diluted earnings per share Concept (Shares) For Period wpp:SharesExcludedFromComputationOfDilutedEarningsPerShare
902 Ordinary shares in issue Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
903 1100 - Disclosure - Earnings per share - Reconciliation Between Shares Used in Calculating Basic and Diluted EPS (Detail) Network

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*

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904 Implied Table Table

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905 Earnings per share [abstract] Abstract ifrs-full:EarningsPerShareAbstract
906 Average shares used in basic EPS calculation Concept (Shares) For Period ifrs-full:WeightedAverageShares
907 Dilutive share options outstanding Concept (Shares) For Period ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
908 Other potentially issuable shares Concept (Shares) For Period wpp:OtherPotentiallyIssuableShares
909 Shares used in diluted EPS calculation Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
910 1101 - Disclosure - Sources of finance - Summary of Equity and Debt Financing (Detail) Network

*

*

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911 Disclosure of detailed information about financial instruments [table] Table

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912 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
913 Equity [member] Member ifrs-full:EquityMember
914 Debt financing [member] Member wpp:DebtFinancingMember
915 Issued capital and share premium [member] Member wpp:IssuedCapitalAndSharePremiumMember
916 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
917 Analysis of changes in financing Abstract ifrs-full:ChangesInEquityAbstract
918 Beginning balance Concept (Monetary) As Of Credit ifrs-full:Equity
919 Ordinary shares issued Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
920 End of year Concept (Monetary) As Of Credit ifrs-full:Equity
921 Analysis of changes in financing Abstract ifrs-full:BorrowingsAbstract
922 Beginning of year Concept (Monetary) As Of Credit ifrs-full:Borrowings
923 Net (decrease)/increase in drawings on bank loans and corporate bonds Concept (Monetary) For Period Credit wpp:ProceedsFromOrRepaymentsOfBorrowingsClassifiedAsFinancingActivities
924 Amortisation of financing costs included in debt Concept (Monetary) For Period Debit wpp:AmortizationOfFinancingCosts1
925 Other movements Concept (Monetary) For Period Credit wpp:OtherMovementsInDebtFinancing
926 Exchange adjustments Concept (Monetary) For Period Credit wpp:ExchangeAdjustmentsInDebtFinancing
927 End of year Concept (Monetary) As Of Credit ifrs-full:Borrowings
928 1102 - Disclosure - Sources of finance - Additional Information (Detail) Network

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*

 http://www.wpp.com/taxonomy/role/DisclosureSourcesOfFinanceAdditionalInformation
929 Disclosure of detailed information about financial instruments [table] Table

*

*

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930 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
931 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
932 US$ bonds due November 2021 [member] Member wpp:USDBondsDueNovember2021Member
933 US$ bonds due September 2022 [member] Member wpp:USDBondsDueSeptember2022Member
934 US$ bonds due September 2024 [member] Member wpp:USDBondsDueSeptember2024Member
935 US$ bonds due September 2042 [member] Member wpp:USDBondsDueSeptember2042Member
936 US$ bonds due November 2043 [member] Member wpp:USDBondsDueNovember2043Member
937 Eurobonds (3m EURIBOR + 0.32%) due May 2020 [member] Member wpp:EurobondsDueMay2020Member
938 Euro bonds due November 2019 [member] Member wpp:EurobondsDueNovember2019Member
939 Euro bonds due November 2023 [member] Member wpp:EurobondsDueNovember2023Member
940 Euro bonds due September 2026 [member] Member wpp:EurobondsDueSeptember2026Member
941 Euro bonds due March 2030 [member] Member wpp:EurobondsDueMarch2030Member
942 Eurobonds Due March 2025 [member] Member wpp:EurobondsDueMarch2025Member
943 Eurobonds Due March 2022 [member] Member wpp:EurobondsDueMarch2022Member
944 Sterling bonds due November 2020 [member] Member wpp:SterlingBondsDueNovember2020Member
945 Sterling bonds due September 2046 [member] Member wpp:SterlingBondsDueSeptember2046Member
946 US revolving credit facilities [member] Member wpp:USRevolvingCreditFacilitiesMember
947 Australian revolving credit facilities due 2019 [member] Member wpp:AustralianRevolvingCreditFacilitiesDue2019Member
948 Australian revolving credit facilities due 2021 [member] Member wpp:AustralianRevolvingCreditFacilitiesDue2021Member
949 Australian New Zealand revolving credit facilities [member] Member wpp:AustralianNewZealandRevolvingCreditFacilitiesMember
950 US Revolving Credit Facilities March 2024 [member] Member wpp:USRevolvingCreditFacilitiesMarch2024Member
951 US commercial paper [member] Member wpp:USCommercialPaperMember
952 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
953 Equity [member] Member ifrs-full:EquityMember
954 Issued capital and share premium [member] Member wpp:IssuedCapitalAndSharePremiumMember
955 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
956 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
957 Early Redemption [member] Member wpp:EarlyRedemptionOfBondsMember
958 Weighted average [member] Member ifrs-full:WeightedAverageMember
959 Borrowings and financing [member] Member wpp:BorrowingsAndFinancingMember
960 Range [axis] Axis ifrs-full:RangeAxis
961 Ranges [member] Member ifrs-full:RangesMember
962 Weighted average [member] Member ifrs-full:WeightedAverageMember
963 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
964 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
965 Total committed facilities available Concept (Monetary) As Of ifrs-full:NotionalAmount
966 Bonds interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
967 Floating basis Concept (Text/String) For Period ifrs-full:BorrowingsInterestRateBasis
968 Adjustment to floating basis Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
969 Repayment of bonds Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBondsNotesAndDebentures
970 Borrowings averaged equivalent Concept (Monetary) As Of Credit wpp:MulticurrencyRevolvingCreditFacilities
971 Undrawn committed credit facility Concept (Monetary) As Of Credit ifrs-full:UndrawnBorrowingFacilities
972 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
973 1103 - Disclosure - Sources of finance - Analysis of Future Anticipated Cash Flows Related to Debt (Detail) Network

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974 Disclosure of maturity analysis for non-derivative financial liabilities [table] Table

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975 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
976 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
977 Borrowings [member] Member wpp:Borrowings1Member
978 Bank overdrafts [member] Member wpp:BankOverdrafts1Member
979 Maturity [axis] Axis ifrs-full:MaturityAxis
980 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
981 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
982 Between one and two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
983 Between two and three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
984 Between three and four years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
985 Between four and five years [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
986 Over five years [member] Member ifrs-full:LaterThanFiveYearsMember
987 Disclosure of maturity analysis for non-derivative financial liabilities [Line items] LineItems ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems
988 Future anticipated cash flows Concept (Monetary) As Of Credit ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows
989 Effect of discounting/financing rates Concept (Monetary) As Of Debit wpp:EffectOfDiscountingAndFinancingRates
990 Debt financing Concept (Monetary) As Of Credit wpp:BorrowingsAndBankOverdrafts
991 1104 - Disclosure - Sources of finance - Analysis of Fixed and Floating Rate Debt by Currency (Detail) Network

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992 Disclosure of detailed information about financial instruments [table] Table

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993 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
994 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
995 US Dollar bonds [member] Member wpp:USDollarBondsMember
996 Sterling bonds [member] Member wpp:SterlingBondsMember
997 Eurobonds [member] Member wpp:EurobondsMember
998 Other bonds [member] Member wpp:OtherBondsMember
999 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1000 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1001 Fixed interest rate [member] Member ifrs-full:FixedInterestRateMember
1002 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
1003 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1004 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1005 Fixed rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1006 Floating basis Concept (Text/String) For Period ifrs-full:BorrowingsInterestRateBasis
1007 Period (months) Concept (xbrli:durationItemType) For Period wpp:DebtPeriod
1008 1105 - Disclosure - Sources of finance - Analysis of Future Anticipated Cash Flows Related of Financial Derivatives (Detail) Network

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*

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1009 Disclosure of maturity analysis for derivative financial liabilities [table] Table

*

*

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1010 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1011 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1012 Trade and Other Payable [member] Member wpp:TradeAndOtherPayableMember
1013 Trade and other receivable [member] Member wpp:TradeAndOtherReceivableMember
1014 Maturity [axis] Axis ifrs-full:MaturityAxis
1015 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1016 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
1017 Between one and two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1018 Between two and three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1019 Between three and four years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1020 Between four and five years [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1021 Over five years [member] Member ifrs-full:LaterThanFiveYearsMember
1022 Disclosure of maturity analysis for derivative financial liabilities [line items] LineItems ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems
1023 Future anticipated cash flows, Financial liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilitiesUndiscountedCashFlows
1024 Future anticipated cash flows, Financial assets Concept (Monetary) As Of Debit wpp:DerivativeFinancialAssetsUndiscountedCashFlows
1025 1106 - Disclosure - Analysis of cash flows - Summary of Analysis of Cash Flows (Detail) Network

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1026 Condensed Cash Flow Statement [Table] Table

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1027 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1028 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1029 Proceeds from issue of EURO 250 million bonds [member] Member wpp:ProceedsFromIssueOfEuro250MillionBondsMember
1030 Proceeds from issue of EURO 500 million bonds [member] Member wpp:ProceedsFromIssueOfEuro500MillionBondsMember
1031 Repayment of EURO 252 million bonds [member] Member wpp:RepaymentOfEuro252MillionBondsMember
1032 Partial repayment of USD 300 million bonds [member] Member wpp:PartialRepaymentOfUsd300MillionBondsMember
1033 Partial repayment of USD 500 million bonds [member] Member wpp:PartialRepaymentOfUsd500MillionBondsMember
1034 Repayment of GBP 400 million bonds [member] Member wpp:RepaymentOfGBP400MillionBondsMember
1035 Proceeds from issue of GBP 400 million bonds [member] Member wpp:ProceedsFromIssueOfGBP400MillionBondsMember
1036 Repayment of EUR 498 million bonds [member] Member wpp:RepaymentOfEUR498MillionBondsMember
1037 Disclosure Of Cash Flow Statement [line items] LineItems wpp:DisclosureOfCashFlowStatementLineItems
1038 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1039 Taxation Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncomeTaxExpense
1040 Revaluation of financial instruments Concept (Monetary) For Period Credit wpp:RevaluationOfFinancialInstruments
1041 Finance costs Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFinanceCosts
1042 Finance income Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForFinanceIncome
1043 Share of results of associates Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForUndistributedProfitsOfAssociates
1044 Non-cash share-based incentive plans (including share options) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
1045 Depreciation of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationExpense
1046 Impairment of goodwill Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossRecognisedInProfitOrLossGoodwill
1047 Amortisation and impairment of acquired intangible assets Concept (Monetary) For Period Debit wpp:AdjustmentsForAmortisationAndImpairmentOfAcquiredIntangibleAssets
1048 Amortisation of other intangible assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
1049 Investment write-downs Concept (Monetary) For Period Debit wpp:AdjustmentsForInvestmentWriteDowns
1050 Gains on disposal of investments and subsidiaries Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates
1051 (Gains)/losses on remeasurement of equity interests arising from a change in scope of ownership Concept (Monetary) For Period Credit wpp:AdjustmentsForGainsLossesOnRemeasurementOfEquityInterestsArisingFromChangeInScopeOfOwnership
1052 Losses on sale of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment
1053 Increase in trade receivables and accrued income Concept (Monetary) For Period Debit wpp:AdjustmentsForDecreaseIncreaseInTradeReceivablesAndAccruedIncome
1054 Increase/(decrease) in trade payables and deferred income Concept (Monetary) For Period Debit wpp:AdjustmentsForIncreaseDecreaseInTradePayablesAndDeferredIncome
1055 (Increase)/decrease in other receivables Concept (Monetary) For Period Debit wpp:AdjustmentsForDecreaseIncreaseInOtherReceivables
1056 Decrease in other payables - short-term Concept (Monetary) For Period Debit wpp:AdjustmentsForIncreaseDecreaseInOtherCurrentPayables
1057 Increase in other payables - long-term Concept (Monetary) For Period Debit wpp:AdjustmentsForIncreaseDecreaseInOtherNonCurrentPayables
1058 Increase/(decrease) in provisions Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForProvisions
1059 Corporation and overseas tax paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities
1060 Interest and similar charges paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
1061 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
1062 Investment income Concept (Monetary) For Period Credit ifrs-full:InvestmentIncome
1063 Dividends from associates Concept (Monetary) For Period Debit ifrs-full:DividendsReceivedClassifiedAsOperatingActivities
1064 Net cash inflow from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
1065 Acquisitions and disposals: Abstract ifrs-full:DisclosureOfBusinessCombinationsAbstract
1066 Initial cash consideration Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
1067 Cash and cash equivalents acquired (net) Concept (Monetary) For Period Debit ifrs-full:CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013
1068 Earnout payments Concept (Monetary) For Period Credit wpp:EarnoutsPaid
1069 Purchase of other investments (including associates) Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod
1070 Acquisitions Concept (Monetary) For Period Credit wpp:AcquisitionsClassifiedAsInvestingActivities
1071 Proceeds on disposal of investments and subsidiaries Concept (Monetary) For Period Debit wpp:ProceedsOnDisposalOfInvestmentsAndSubsidiaries
1072 Acquisitions and disposals Concept (Monetary) For Period Credit wpp:AcquisitionsAndDisposalsClassifiedAsInvestingActivities
1073 Cash consideration for non-controlling interests Concept (Monetary) For Period Credit wpp:CashConsiderationForNonControllingInterests
1074 Net cash inflow/(outflow) Concept (Monetary) For Period Debit wpp:NetCashInflowOutflowOnAcquisitionsAndDisposals
1075 Share repurchases and buy-backs: Abstract wpp:CashFlowsFromSharesRepurchaseAndBuyBacksAbstract
1076 Purchase of own shares by ESOP Trusts Concept (Monetary) For Period Debit wpp:PurchaseOfSharesByEmployeeBenefitTrust
1077 Shares purchased into treasury Concept (Monetary) For Period Debit ifrs-full:PurchaseOfTreasuryShares
1078 Net cash outflow Concept (Monetary) For Period Credit ifrs-full:PaymentsToAcquireOrRedeemEntitysShares
1079 Net increase/(decrease) in borrowings: Abstract wpp:CashFlowsFromUsedInIncreaseDecreaseInBorrowingsAbstract
1080 (Decrease)/increase in drawings on bank loans Concept (Monetary) For Period Debit wpp:DecreaseIncreaseInDrawingsOnBankLoans
1081 Proceeds from issues of bonds Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfBondsNotesAndDebentures
1082 Repayment of bonds Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBondsNotesAndDebentures
1083 Net cash (outflow)/inflow Concept (Monetary) For Period Credit wpp:ProceedsFromOrRepaymentsOfBorrowingsClassifiedAsFinancingActivities
1084 Cash and cash equivalents: Abstract ifrs-full:CashAndCashEquivalentsAbstract
1085 Cash at bank and in hand Concept (Monetary) As Of Debit ifrs-full:Cash
1086 Short-term bank deposits Concept (Monetary) As Of Debit ifrs-full:ShorttermDepositsClassifiedAsCashEquivalents
1087 Overdrafts Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
1088 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
1089 1107 - Disclosure - Analysis of cash flows - Summary of Analysis of Cash Flows (Parenthetical) (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureAnalysisOfCashFlowsSummaryOfAnalysisOfCashFlowsParenthetical
1090 Condensed Cash Flow Statement [Table] Table

*

*

 srt:CondensedCashFlowStatementTable
1091 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1092 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1093 Proceeds from issue of EURO 250 million bonds [member] Member wpp:ProceedsFromIssueOfEuro250MillionBondsMember
1094 Proceeds from issue of EURO 500 million bonds [member] Member wpp:ProceedsFromIssueOfEuro500MillionBondsMember
1095 Repayment of EURO 252 million bonds [member] Member wpp:RepaymentOfEuro252MillionBondsMember
1096 Partial repayment of USD 300 million bonds [member] Member wpp:PartialRepaymentOfUsd300MillionBondsMember
1097 Partial repayment of USD 500 million bonds [member] Member wpp:PartialRepaymentOfUsd500MillionBondsMember
1098 Repayment of GBP 400 million bonds [member] Member wpp:RepaymentOfGBP400MillionBondsMember
1099 Proceeds from issue of GBP 400 million bonds [member] Member wpp:ProceedsFromIssueOfGBP400MillionBondsMember
1100 Repayment of EUR 498 million bonds [member] Member wpp:RepaymentOfEUR498MillionBondsMember
1101 Disclosure Of Cash Flow Statement [line items] LineItems wpp:DisclosureOfCashFlowStatementLineItems
1102 Cash and cash equivalents acquired from acquisitions Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsRecognisedAsOfAcquisitionDate
1103 Cash and cash equivalents acquired from disposals Concept (Monetary) As Of Credit wpp:CashAndCashEquivalentsForDisposals
1104 Bond amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1105 1108 - Disclosure - Intangible assets - Movement of Goodwill (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureIntangibleAssetsMovementOfGoodwill
1106 Disclosure of reconciliation of changes in goodwill [table] Table

*

*

 ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillTable
1107 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1108 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1109 Cost [member] Member ifrs-full:GrossCarryingAmountMember
1110 Accumulated impairment losses and write-downs [member] Member ifrs-full:AccumulatedImpairmentMember
1111 Disclosure of reconciliation of changes in goodwill [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillLineItems
1112 Beginning balance Concept (Monetary) As Of Debit ifrs-full:Goodwill
1113 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionalRecognitionGoodwill
1114 Impairment losses for the year Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
1115 Revision of earnout estimates Concept (Monetary) For Period Debit wpp:RevisionOfEarnoutEstimatesGoodwill
1116 Exchange adjustments Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesGoodwill
1117 Ending balance Concept (Monetary) As Of Debit ifrs-full:Goodwill
1118 1109 - Disclosure - Intangible assets - Cash-generating Units with Significant Goodwill (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureIntangibleAssetsCashgeneratingUnitsWithSignificantGoodwill
1119 Disclosure of information for cash-generating units [table] Table

*

*

 ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable
1120 Cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis
1121 Entity's total for cash-generating units [member] Member ifrs-full:EntitysTotalForCashgeneratingUnitsMember
1122 GroupM [member] Member wpp:GroupMMember
1123 Kantar [member] Member wpp:KantarMember
1124 Wunderman [member] Member wpp:WundermanMember
1125 VMLY&R [member] Member wpp:VMLYANDYMember
1126 Other [member] Member wpp:OtherCashGeneratingUnitsMember
1127 Disclosure of information for cash-generating units [line items] LineItems ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems
1128 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
1129 1110 - Disclosure - Intangible assets - Movements of Other Intangible Assets (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureIntangibleAssetsMovementsOfOtherIntangibleAssets
1130 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
1131 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
1132 Brands and other intangibles [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1133 Brands with an indefinite useful life [member] Member ifrs-full:IntangibleAssetsWithIndefiniteUsefulLifeMember
1134 Acquired intangibles [member] Member wpp:AcquiredIntangibleAssetsMember
1135 Other [member] Member ifrs-full:OtherIntangibleAssetsMember
1136 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1137 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1138 Cost [member] Member ifrs-full:GrossCarryingAmountMember
1139 Amortisation and impairment [member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1140 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
1141 Beginning balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1142 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1143 Charge for the year Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
1144 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsIntangibleAssetsOtherThanGoodwill
1145 New acquisitions Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1146 Other movements Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughOtherChangesIntangibleAssetsOtherThanGoodwill
1147 Exchange adjustments Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill
1148 Ending balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1149 1111 - Disclosure - Intangible assets - Additional Information (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureIntangibleAssetsAdditionalInformation
1150 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
1151 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
1152 Brands and other intangibles [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1153 Brand names [member] Member ifrs-full:BrandNamesMember
1154 Customer-related intangibles [member] Member ifrs-full:CustomerrelatedIntangibleAssetsMember
1155 Other acquired intangible assets [member] Member wpp:OtherAcquiredIntangibleAssetsMember
1156 Customer relationships [member] Member wpp:CustomerRelationshipsMember
1157 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1158 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1159 Associates [member] Member ifrs-full:AssociatesMember
1160 Range [axis] Axis ifrs-full:RangeAxis
1161 Ranges [member] Member ifrs-full:RangesMember
1162 Top of range [member] Member ifrs-full:TopOfRangeMember
1163 Segments [axis] Axis ifrs-full:SegmentsAxis
1164 Segments [member] Member ifrs-full:SegmentsMember
1165 Advertising and media investment management [member] Member wpp:AdvertisingAndMediaInvestmentManagementMember
1166 Data investment management [member] Member wpp:DataInvestmentManagementMember
1167 Brand consulting, health & wellness and specialist communications [member] Member wpp:BrandConsultingHealthAndWellnessAndSpecialistCommunicationsMember
1168 Cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis
1169 Entity's total for cash-generating units [member] Member ifrs-full:EntitysTotalForCashgeneratingUnitsMember
1170 VMLY&R [member] Member wpp:VMLYAndRMember
1171 Other business [member] Member wpp:OtherBusinessMember
1172 Impairment of financial assets [axis] Axis ifrs-full:ImpairmentOfFinancialAssetsAxis
1173 Entity's total for impairment of financial assets [member] Member ifrs-full:EntitysTotalForImpairmentOfFinancialAssetsMember
1174 Discount Rates [member] Member wpp:DiscountRatesMember
1175 Terminal Growth Rate [member] Member wpp:TerminalGrowthRateMember
1176 Terminal margin [member] Member wpp:TerminalMarginMember
1177 Impairment test assumptions [axis] Axis wpp:ImpairmentTestAssumptionsAxis
1178 Impairment test assumptions [member] Member wpp:ImpairmentTestAssumptionsMember
1179 VMLY&R [member] Member wpp:VMLYAndRMember
1180 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
1181 Other Intangible Assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1182 Amortisation and impairment of acquired intangible assets Concept (Monetary) For Period Debit wpp:AmortisationAndImpairmentOfAcquiredIntangibleAssets
1183 Impairment charge on intangible assets Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
1184 Impairment charge on intangible assets Concept (Monetary) For Period Debit wpp:ImpairmentChargeOnIntangibleAssets
1185 Pre-tax discount rate Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
1186 Management forecasts for a projection period Concept (Text/String) For Period ifrs-full:DescriptionOfKeyAssumptionsOnWhichManagementHasBasedCashFlowProjections
1187 Assumed annual long-term growth rate Concept (Percent) As Of ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
1188 Goodwill impairment charge Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
1189 Impairment loss recoverable amount Concept (Monetary) For Period ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
1190 Percentage of movement in discount rate Concept (Percent) As Of wpp:PercentageMovementInDiscountRateSensitivityAnalysis
1191 Increase or decrease the impairment charge Concept (Monetary) For Period Debit wpp:IncreaseOrDecreaseToImpairmentChargeDueToSensitivityAnalysis
1192 Percentage Of Movement In Terminal growth rate Concept (Percent) For Period wpp:PercentageOfMovementInTerminalGrowthRate
1193 Percentage Of Movement In Terminal Margin Concept (Percent) For Period wpp:SensitivityAnalysisPercentageOfMovementInTerminalMargin
1194 1112 - Disclosure - Property, plant and equipment - Summary of Property, Plant and Equipment (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipment
1195 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1196 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1197 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1198 Land [member] Member ifrs-full:LandMember
1199 Freehold buildings [member] Member wpp:FreeholdBuildingsMember
1200 Leasehold buildings [member] Member wpp:LeaseholdBuildingsMember
1201 Fixtures, fittings and equipment [member] Member wpp:FixturesFittingsAndEquipmentMember
1202 Computer equipment [member] Member ifrs-full:ComputerEquipmentMember
1203 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1204 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1205 Cost [member] Member ifrs-full:GrossCarryingAmountMember
1206 Depreciation [member] Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
1207 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1208 Beginning balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1209 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1210 Charge for the year Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
1211 New acquisitions Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
1212 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
1213 Exchange adjustments Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
1214 Ending balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1215 1113 - Disclosure - Property, plant and equipment - Additional Information (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentAdditionalInformation
1216 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1217 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1218 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1219 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1220 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1221 Capital commitments contracted Concept (Monetary) As Of Credit ifrs-full:ContractualCapitalCommitments
1222 1114 - Disclosure - Interests in associates, joint ventures and other investments - Movements in Associates, Joint Ventures and Other Investments (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureInterestsInAssociatesJointVenturesAndOtherInvestmentsMovementsInAssociatesJointVenturesAndOtherInvestments
1223 Implied Table Table

*

*

 implied:Table
1224 Disclosure of interests in associates and joint ventures and other investments [abstract] Abstract wpp:DisclosureOfInterestsInAssociatesAndJointVenturesAndOtherInvestmentsAbstract
1225 Movements in interests in associates and joint ventures Abstract wpp:InvestmentsInAssociatesAndJointVenturesAbstract
1226 Beginning balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
1227 Additions Concept (Monetary) For Period Credit wpp:AdditionsOtherThanThroughBusinessCombinationsAssociatesAndJointVentures
1228 Share of results of associate undertakings (note 4) Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
1229 Dividends Concept (Monetary) For Period Credit wpp:DividendsFromAssociatesAndJointVentures
1230 Other movements Concept (Monetary) For Period Debit wpp:IncreaseDecreaseThroughOtherChangesAssociatesAndJointVentures
1231 Reclassification from other investments to associates Concept (Monetary) For Period Debit wpp:IncreaseDecreaseThroughReclassificationFromOtherInvestmentsToAssociates
1232 Exchange adjustments Concept (Monetary) For Period Debit wpp:IncreaseDecreaseThroughNetExchangeDifferencesAssociatesAndJointVentures
1233 Disposals Concept (Monetary) For Period Credit wpp:DisposalsAssociatesAndJointVentures
1234 Reclassification to subsidiaries Concept (Monetary) For Period Debit wpp:IncreaseDecreaseThroughReclassificationToSubsidiaries
1235 Amortisation of other intangible assets Concept (Monetary) For Period Credit wpp:AmortisationOfOtherIntangibleAssetsAssociatesAndJointVentures
1236 Write-downs Concept (Monetary) For Period Credit wpp:WritedownsAssociatesAndJointVentures
1237 Ending balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
1238 Movements in interests in other investments Abstract wpp:OtherInvestments1Abstract
1239 Beginning balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1240 Additions Concept (Monetary) For Period Debit wpp:AdditionsOtherThanThroughBusinessCombinationsOtherInvestments
1241 Reclassification from other investments to associates Concept (Monetary) For Period Debit wpp:IncreaseDecreaseThroughReclassificationFromOtherInvestmentsToAssociates
1242 Exchange adjustments Concept (Monetary) For Period Debit wpp:IncreaseDecreaseThroughNetExchangeDifferencesOtherInvestments
1243 Disposals Concept (Monetary) For Period Debit wpp:DisposalsOtherInvestments
1244 Revaluation of other investments Concept (Monetary) For Period Debit wpp:IncreaseDecreaseThroughRevaluationOfOtherInvestments
1245 Revaluation of other investments through profit or loss Concept (Monetary) For Period Credit wpp:RevaluationOfOtherInvestmentsThroughProfitOrLoss
1246 Write-downs Concept (Monetary) For Period Credit wpp:WritedownsOtherInvestments
1247 Revaluation of other investments through other comprehensive income Concept (Monetary) For Period Credit wpp:RevaluationOfOtherInvestmentsThroughOtherComprehensiveIncome
1248 Ending balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1249 1115 - Disclosure - Interests in associates, joint ventures and other investments - Principal Associates and Joint Ventures (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureInterestsInAssociatesJointVenturesAndOtherInvestmentsPrincipalAssociatesAndJointVentures
1250 Disclosure Of Significant Investments In Associates Joint Ventures And Other Investments [table] Table

*

*

 wpp:DisclosureOfSignificantInvestmentsInAssociatesJointVenturesAndOtherInvestmentsTable
1251 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1252 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1253 Barrows Design and Manufacturing (Pty) Limited [member] Member wpp:BarrowsDesignandManufacturingPtyLimitedMember
1254 Chime Communications Ltd [member] Member wpp:ChimeCommunicationsLtdMember
1255 CVSC Sofres Media Co Limited [member] Member wpp:CVSCSofresMediaCoLimitedMember
1256 Dat Viet VAC Media Corporation [member] Member wpp:DatVietVacMediaCorporationMember
1257 GIIR Inc [member] Member wpp:GIIRIncMember
1258 Haworth Marketing & Media Company [member] Member wpp:HaworthMarketingMediaCompanyMember
1259 High Co SA [member] Member wpp:HighCoSAMember
1260 Imagina [member] Member wpp:ImaginaGroupMember
1261 Marktest Investimentos SGPS S.A. [member] Member wpp:MarktestInvestimentosSGPSSAMember
1262 Nanjing Yindu Ogilvy Advertising Co. Ltd [member] Member wpp:NanjingYinduOgilvyAdvertisingCompanyLtdMember
1263 Richard Attias and Associates [member] Member wpp:RichardAttiasAndAssociatesMember
1264 Smollan Holdings (Pty) Ltd. [member] Member wpp:SmollanHoldingsPtyLtdMember
1265 Disclosure of principal associates and joint ventures [line items] LineItems wpp:DisclosureOfSignificantInvestmentsInAssociatesJointVenturesAndOtherInvestmentsLineItems
1266 Associate, Country of incorporation Concept (Text/String) For Period ifrs-full:CountryOfIncorporationOrResidenceOfAssociate
1267 Associate, % owned Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
1268 1116 - Disclosure - Interests in associates, joint ventures and other investments - Additional Information (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureInterestsInAssociatesJointVenturesAndOtherInvestmentsAdditionalInformation
1269 Disclosure Of Significant Investments In Associates Joint Ventures And Other Investments [table] Table

*

*

 wpp:DisclosureOfSignificantInvestmentsInAssociatesJointVenturesAndOtherInvestmentsTable
1270 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1271 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1272 Associates and Other Investments [member] Member wpp:AssociatesAndOtherInvestmentsMember
1273 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1274 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1275 GIIR Inc [member] Member wpp:GIIRIncMember
1276 High Co SA [member] Member wpp:HighCoSAMember
1277 Disclosure of principal associates and joint ventures [line items] LineItems wpp:DisclosureOfSignificantInvestmentsInAssociatesJointVenturesAndOtherInvestmentsLineItems
1278 Market value of equity interests Concept (Monetary) As Of Debit ifrs-full:FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished
1279 Carrying value (including goodwill and other intangibles) of equity interests Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
1280 Capital commitments contracted Concept (Monetary) As Of Credit ifrs-full:ContractualCapitalCommitments
1281 1117 - Disclosure - Interests in associates, joint ventures and other investments - Summary of Aggregate Financial Performance and Net Asset Position of Associates and Joint Ventures (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureInterestsInAssociatesJointVenturesAndOtherInvestmentsSummaryOfAggregateFinancialPerformanceAndNetAssetPositionOfAssociatesAndJointVentures
1282 Disclosure Of Significant Investments In Associates Joint Ventures And Other Investments [table] Table

*

*

 wpp:DisclosureOfSignificantInvestmentsInAssociatesJointVenturesAndOtherInvestmentsTable
1283 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1284 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1285 Associates and Joint Ventures [member] Member wpp:AssociatesAndJointVenturesMember
1286 Disclosure of principal associates and joint ventures [line items] LineItems wpp:DisclosureOfSignificantInvestmentsInAssociatesJointVenturesAndOtherInvestmentsLineItems
1287 Income statement Abstract ifrs-full:IncomeStatementAbstract
1288 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1289 Operating profit Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
1290 Profit before taxation Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1291 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1292 Balance sheet Abstract ifrs-full:StatementOfFinancialPositionAbstract
1293 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
1294 Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1295 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1296 1118 - Disclosure - Deferred tax - Analysis of Deferred Tax Balances for Financial Reporting Purposes (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureDeferredTaxAnalysisOfDeferredTaxBalancesForFinancialReportingPurposes
1297 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

 ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1298 Deferred Tax Gross Offset [axis] Axis wpp:DeferredTaxGrossOffsetAxis
1299 Deferred Tax Gross Offset [member] Member wpp:DeferredTaxGrossOffsetMember
1300 Gross amount before offset [member] Member wpp:GrossAmountBeforeOffsetMember
1301 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1302 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1303 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1304 Deferred tax assets (liabilities) Concept (Monetary) As Of Credit ifrs-full:NetDeferredTaxLiabilities
1305 Deferred tax assets, offset Concept (Monetary) As Of Credit wpp:DeferredTaxAssetsOffset
1306 Deferred tax liabilities, offset Concept (Monetary) As Of Debit wpp:DeferredTaxLiabilitiesOffset
1307 1119 - Disclosure - Deferred tax - Movements of Major Gross Deferred Tax Assets (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureDeferredTaxMovementsOfMajorGrossDeferredTaxAssets
1308 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

 ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1309 Deferred Tax Gross Offset [axis] Axis wpp:DeferredTaxGrossOffsetAxis
1310 Deferred Tax Gross Offset [member] Member wpp:DeferredTaxGrossOffsetMember
1311 Gross deferred tax assets [member] Member wpp:GrossDeferredTaxAssetsMember
1312 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1313 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1314 Deferred compensation [member] Member wpp:DeferredCompensationMember
1315 Accounting provisions and accruals [member] Member wpp:AccountingProvisionsAndAccrualsMember
1316 Retirement benefit obligation [member] Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
1317 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1318 Tax losses and credits [member] Member wpp:TaxLossesAndCreditsMember
1319 Share-based payments [member] Member wpp:SharebasedPaymentsMember
1320 Restructuring provisions [member] Member ifrs-full:RestructuringProvisionMember
1321 Other temporary differences [member] Member ifrs-full:OtherTemporaryDifferencesMember
1322 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1323 Beginning balance Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1324 Acquisition of subsidiaries Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset
1325 (Charge)/credit to income Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1326 Impact of US tax reform Concept (Monetary) For Period Debit wpp:TaxImpactOfUSTaxReform
1327 Charge to other comprehensive income Concept (Monetary) For Period ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
1328 Charge to equity Concept (Monetary) For Period ifrs-full:DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity
1329 Exchange differences Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset
1330 Ending balance Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1331 1120 - Disclosure - Deferred tax - Movements of Gross Deferred Tax Liabilities (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureDeferredTaxMovementsOfGrossDeferredTaxLiabilities
1332 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

 ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1333 Deferred Tax Gross Offset [axis] Axis wpp:DeferredTaxGrossOffsetAxis
1334 Deferred Tax Gross Offset [member] Member wpp:DeferredTaxGrossOffsetMember
1335 Gross deferred tax liabilities [member] Member wpp:GrossDeferredTaxLiabilitiesMember
1336 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1337 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1338 Brands and other intangibles [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1339 Associate earnings [member] Member wpp:AssociateEarningsMember
1340 Goodwill [member] Member ifrs-full:GoodwillMember
1341 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1342 Financial instruments [member] Member wpp:FinancialInstrumentsMember
1343 Other temporary differences [member] Member ifrs-full:OtherTemporaryDifferencesMember
1344 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1345 Beginning balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1346 Acquisition of subsidiaries Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset
1347 (Credit)/charge to income Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1348 Impact of US tax reform Concept (Monetary) For Period Debit wpp:TaxImpactOfUSTaxReform
1349 Charge to other comprehensive income Concept (Monetary) For Period ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
1350 Exchange differences Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset
1351 Ending balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1352 1121 - Disclosure - Deferred tax - Additional Information (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureDeferredTaxAdditionalInformation
1353 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

 ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1354 Range [axis] Axis ifrs-full:RangeAxis
1355 Ranges [member] Member ifrs-full:RangesMember
1356 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1357 Top of range [member] Member ifrs-full:TopOfRangeMember
1358 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1359 Gross tax losses and other temporary differences available for offset against future profits Concept (Monetary) For Period Debit wpp:GrossTaxLossesAndOtherTemporaryDifferencesAvailableForOffsetAgainstFutureProfits
1360 Gross tax losses and other temporary differences, deferred tax assets that have been recognised Concept (Monetary) For Period Credit ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense
1361 Gross tax losses and other temporary differences, deferred tax assets that have not been recognised Concept (Monetary) For Period Debit wpp:GrossTaxLossesAndOtherTemporaryDifferencesDeferredTaxAssetsThatHaveNotBeenRecognised
1362 Unrecognised temporary differences Concept (Monetary) As Of ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised
1363 Unrecognised temporary differences, period Concept (xbrli:durationItemType) For Period wpp:UnrecognisedTemporaryDifferencesPeriod
1364 Losses carried forward Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
1365 Temporary differences, deferred tax liabilities that have not been recognised Concept (Monetary) As Of wpp:DeductibleTemporaryDifferencesForWhichNoDeferredTaxLiabilityIsRecognised
1366 1122 - Disclosure - Trade and other receivables - Summary of Trade and Other Receivables, Amounts Falling Due Within One Year (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureTradeAndOtherReceivablesSummaryOfTradeAndOtherReceivablesAmountsFallingDueWithinOneYear
1367 Implied Table Table

*

*

 implied:Table
1368 Trade and other current receivables [abstract] Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
1369 Trade receivables (net of bad debt provision) Concept (Monetary) As Of Debit ifrs-full:CurrentReceivablesFromContractsWithCustomers
1370 Work in progress Concept (Monetary) As Of Debit wpp:CurrentReceivablesFromWorkInProgress
1371 VAT and sales taxes recoverable Concept (Monetary) As Of Debit ifrs-full:CurrentReceivablesFromTaxesOtherThanIncomeTax
1372 Prepayments Concept (Monetary) As Of Debit ifrs-full:CurrentPrepayments
1373 Accrued income Concept (Monetary) As Of Debit ifrs-full:CurrentAccruedIncome
1374 Fair value of derivatives Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
1375 Other debtors Concept (Monetary) As Of Debit ifrs-full:OtherCurrentReceivables
1376 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
1377 1123 - Disclosure - Trade and other receivables - Ageing of Trade Receivables and Other Financial Assets (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureTradeAndOtherReceivablesAgeingOfTradeReceivablesAndOtherFinancialAssets
1378 Disclosure of financial assets [table] Table

*

*

 ifrs-full:DisclosureOfFinancialAssetsTable
1379 Impairment of financial assets [axis] Axis ifrs-full:ImpairmentOfFinancialAssetsAxis
1380 Entity's total for impairment of financial assets [member] Member ifrs-full:EntitysTotalForImpairmentOfFinancialAssetsMember
1381 Neither past due nor impaired [member] Member ifrs-full:FinancialAssetsNeitherPastDueNorImpairedMember
1382 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
1383 Past due status [member] Member ifrs-full:PastDueStatusMember
1384 0-30 days [member] Member ifrs-full:NotLaterThanOneMonthMember
1385 31-90 days [member] Member ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember
1386 91-180 days [member] Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember
1387 181 days - 1 year [member] Member ifrs-full:LaterThanSixMonthsAndNotLaterThanOneYearMember
1388 Over 1 year [member] Member ifrs-full:LaterThanOneYearMember
1389 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1390 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1391 Trade receivables [member] Member ifrs-full:TradeReceivablesMember
1392 Other financial assets [member] Member wpp:OtherFinancialAssetMember
1393 Disclosure of financial assets [Line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
1394 Financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1395 1124 - Disclosure - Trade and other receivables - Summary of Trade and Other Receivables, Amounts Falling Due After More Than One Year (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureTradeAndOtherReceivablesSummaryOfTradeAndOtherReceivablesAmountsFallingDueAfterMoreThanOneYear
1396 Implied Table Table

*

*

 implied:Table
1397 Trade and other non-current receivables [abstract] Abstract ifrs-full:NoncurrentReceivablesAbstract
1398 Prepayments Concept (Monetary) As Of Debit ifrs-full:NoncurrentPrepayments
1399 Accrued income Concept (Monetary) As Of Debit ifrs-full:NoncurrentAccruedIncome
1400 Fair value of derivatives Concept (Monetary) As Of Debit ifrs-full:NoncurrentDerivativeFinancialAssets
1401 Other debtors Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentReceivables
1402 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivables
1403 1125 - Disclosure - Trade and other receivables - Bad Debt Provisions (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureTradeAndOtherReceivablesBadDebtProvisions
1404 Disclosure of financial assets [table] Table

*

*

 ifrs-full:DisclosureOfFinancialAssetsTable
1405 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1406 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1407 Trade receivables [member] Member ifrs-full:TradeReceivablesMember
1408 Disclosure of financial assets [Line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
1409 At beginning of year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1410 New acquisitions Concept (Monetary) For Period wpp:AdditionalAllowanceRecognisedForCreditLossesOfFinancialAssets
1411 Charged to the income statement Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1412 Released to the income statement Concept (Monetary) For Period ifrs-full:ReversalAllowanceAccountForCreditLossesOfFinancialAssets
1413 Exchange adjustments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets
1414 Utilisations and other movements Concept (Monetary) For Period Credit wpp:IncreaseDecreaseThroughUtilisationsAndOtherMovementsAllowanceAccountForCreditLossesOfFinancialAssets
1415 At end of year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1416 1126 - Disclosure - Trade and other receivables - Additional Information (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureTradeAndOtherReceivablesAdditionalInformation
1417 Implied Table Table

*

*

 implied:Table
1418 Trade and other receivables [abstract] Abstract ifrs-full:TradeAndOtherReceivablesAbstract
1419 Allowance for bad and doubtful debts as a percentage of gross trade accounts receivables Concept (Percent) For Period wpp:AllowanceForBadAndDoubtfulDebtsPercentage
1420 1127 - Disclosure - Trade and other receivables - Summary of Aging Analysis of Invoice, Loss Allowance (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureTradeAndOtherReceivablesSummaryOfAgingAnalysisOfInvoiceLossAllowance
1421 Disclosure of financial assets [table] Table

*

*

 ifrs-full:DisclosureOfFinancialAssetsTable
1422 Maturity [axis] Axis ifrs-full:MaturityAxis
1423 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1424 0-90 days [member] Member ifrs-full:NotLaterThanThreeMonthsMember
1425 91-180 days [member] Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember
1426 181 days - 1 year [member] Member ifrs-full:LaterThanSixMonthsAndNotLaterThanOneYearMember
1427 Over 1 year [member] Member ifrs-full:LaterThanOneYearMember
1428 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1429 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1430 Trade receivables [member] Member ifrs-full:TradeReceivablesMember
1431 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1432 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1433 Cost [member] Member ifrs-full:GrossCarryingAmountMember
1434 Disclosure of financial assets [Line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
1435 Trade receivables Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1436 Loss allowance Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1437 Expected loss rate Concept (Percent) As Of ifrs-full:ExpectedCreditLossRate
1438 1128 - Disclosure - Trade and other payables - Summary of Trade and Other Payables, Amounts Falling Due within One Year (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureTradeAndOtherPayablesSummaryOfTradeAndOtherPayablesAmountsFallingDueWithinOneYear
1439 Implied Table Table

*

*

 implied:Table
1440 Trade and other current payables [abstract] Abstract ifrs-full:TradeAndOtherCurrentPayablesAbstract
1441 Trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
1442 Deferred income Concept (Monetary) As Of Credit ifrs-full:DeferredIncomeClassifiedAsCurrent
1443 Payments due to vendors (earnout agreements) Concept (Monetary) As Of Credit wpp:ContingentConsiderationCurrentPayableToVendorsEarnoutAgreements
1444 Liabilities in respect of put option agreements with vendors Concept (Monetary) As Of Credit wpp:LiabilitiesOfPutOptionAgreementsWithVendorsCurrent
1445 Fair value of derivatives Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
1446 Other creditors and accruals Concept (Monetary) As Of Credit ifrs-full:OtherCurrentPayables
1447 Total Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1448 1129 - Disclosure - Trade and other payables - Summary of Trade and Other Payables, Amounts Falling Due After More Than One Year (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureTradeAndOtherPayablesSummaryOfTradeAndOtherPayablesAmountsFallingDueAfterMoreThanOneYear
1449 Implied Table Table

*

*

 implied:Table
1450 Trade and other non-current payables [abstract] Abstract ifrs-full:NoncurrentPayablesAbstract
1451 Payments due to vendors (earnout agreements) Concept (Monetary) As Of Credit wpp:ContingentConsiderationNoncurrentPayableToVendorsEarnoutAgreements
1452 Liabilities in respect of put option agreements with vendors Concept (Monetary) As Of Credit wpp:LiabilitiesOfPutOptionAgreementsWithVendorsNoncurrent
1453 Fair value of derivatives Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
1454 Other creditors and accruals Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentPayables
1455 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayables
1456 1130 - Disclosure - Trade and other payables - Payments Due to Vendors (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureTradeAndOtherPayablesPaymentsDueToVendors
1457 Disclosure of maturity analysis for non-derivative financial liabilities [table] Table

*

*

 ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable
1458 Maturity [axis] Axis ifrs-full:MaturityAxis
1459 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1460 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
1461 Between one and two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1462 Between two and three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1463 Between three and four years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1464 Between four and five years [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1465 Over five years [member] Member ifrs-full:LaterThanFiveYearsMember
1466 Disclosure of maturity analysis for non-derivative financial liabilities [Line items] LineItems ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems
1467 Payments due to vendors, Current Concept (Monetary) As Of Credit wpp:ContingentConsiderationCurrentPayableToVendorsEarnoutAgreements
1468 Payments due to vendors, Non-current Concept (Monetary) As Of Credit wpp:ContingentConsiderationNoncurrentPayableToVendorsEarnoutAgreements
1469 Payments due to vendors Concept (Monetary) As Of Credit wpp:ContingentConsiderationCurrentAndNoncurrentPayableToVendors
1470 1131 - Disclosure - Trade and Other Payables Amounts Falling Due After More than One Year - Summary of Contingent Consideration (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureTradeAndOtherPayablesAmountsFallingDueAfterMoreThanOneYearSummaryOfContingentConsideration
1471 Implied Table Table

*

*

 implied:Table
1472 Disclosure Of Fair Value Of Contingent Consideration [abstract] Abstract wpp:DisclosureOfFairValueOfContingentConsiderationAbstract
1473 At the beginning of the year Concept (Monetary) As Of Credit wpp:ContingentConsiderationCurrentAndNoncurrentPayableToVendors
1474 Earnouts paid (note 11) Concept (Monetary) For Period Credit wpp:EarnoutsPaid
1475 New acquisitions Concept (Monetary) For Period Credit wpp:IncreaseDecreaseThroughBusinessCombinationsContingentConsideration
1476 Revision of estimates taken to goodwill (note 12) Concept (Monetary) For Period Debit wpp:RevisionOfEstimatesTakenToGoodwill
1477 Revaluation of payments due to vendors (note 6) Concept (Monetary) For Period Credit wpp:RevaluationOfPaymentsDueToVendorsIncreaseDecreaseInPayables
1478 Exchange adjustments Concept (Monetary) For Period Credit wpp:IncreaseDecreaseThroughNetExchangeDifferencesContingentConsideration
1479 At end of year Concept (Monetary) As Of Credit wpp:ContingentConsiderationCurrentAndNoncurrentPayableToVendors
1480 1132 - Disclosure - Trade and Other Payables - Additional Information (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureTradeAndOtherPayablesAdditionalInformation
1481 Disclosure of trade and other payables [table] Table

*

*

 wpp:DisclosureOfTradeAndOtherPayablesTable
1482 Range [axis] Axis ifrs-full:RangeAxis
1483 Ranges [member] Member ifrs-full:RangesMember
1484 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1485 Top of range [member] Member ifrs-full:TopOfRangeMember
1486 Items of contingent liabilities [axis] Axis ifrs-full:ItemsOfContingentLiabilitiesAxis
1487 Items of contingent liabilities [member] Member ifrs-full:ItemsOfContingentLiabilitiesMember
1488 Earnout agreements for acquisitions completed in the current year [member] Member wpp:EarnoutAgreementsInThePeriodMember
1489 All earn-out agreements [member] Member wpp:EarnoutAgreementsMember
1490 Disclosure of trade and other payables [line items] LineItems wpp:DisclosureOfTradeAndOtherPayablesLineItems
1491 Potential undiscounted amount of future payments Concept (Monetary) As Of wpp:EstimatedFinancialEffectContingentConsiderationInBusinessCombination
1492 1133 - Disclosure - Bank overdrafts, bonds and bank loans - Bank Overdrafts, Bonds and Bank Loans Amounts Falling Due Within One Year (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureBankOverdraftsBondsAndBankLoansBankOverdraftsBondsAndBankLoansAmountsFallingDueWithinOneYear
1493 Implied Table Table

*

*

 implied:Table
1494 Disclosure of bank overdraft bonds and bank loans [abstract] Abstract wpp:DisclosureOfBankOverdraftBondsAndBankLoansAbstract
1495 Bank overdrafts Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
1496 Corporate bonds and bank loans Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
1497 Bank overdrafts, bonds and bank loans Concept (Monetary) As Of Credit wpp:BankOverdraftsAndBondsAndLoansCurrent
1498 1134 - Disclosure - Bank overdrafts, bonds and bank loans - Corporate Bonds and Bank Loans Amounts Falling Due After More Than One Year (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureBankOverdraftsBondsAndBankLoansCorporateBondsAndBankLoansAmountsFallingDueAfterMoreThanOneYear
1499 Implied Table Table

*

*

 implied:Table
1500 Disclosure of bank overdraft bonds and bank loans [abstract] Abstract wpp:DisclosureOfBankOverdraftBondsAndBankLoansAbstract
1501 Corporate bonds and bank loans Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1502 1135 - Disclosure - Bank overdrafts, bonds and bank loans - Additional Information (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureBankOverdraftsBondsAndBankLoansAdditionalInformation
1503 Disclosure of bank overdraft bonds and bank loans [table] Table

*

*

 wpp:DisclosureOfBankOverdraftBondsAndBankLoansTable
1504 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1505 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1506 Corporate bond [member] Member wpp:CorporateBondMember
1507 Disclosure of bank overdraft bonds and bank loans [line items] LineItems wpp:DisclosureOfBankOverdraftBondsAndBankLoansLineItems
1508 Fair value of corporate bonds Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1509 Carrying amount of bank loans Concept (Monetary) As Of Credit wpp:CarryingAmountOfBankLoans
1510 1136 - Disclosure - Bank overdrafts, bonds and bank loans - Repayments Due on Corporate Bonds, Bank Loans and Overdrafts (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureBankOverdraftsBondsAndBankLoansRepaymentsDueOnCorporateBondsBankLoansAndOverdrafts
1511 Disclosure of maturity analysis for non-derivative financial liabilities [table] Table

*

*

 ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable
1512 Maturity [axis] Axis ifrs-full:MaturityAxis
1513 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1514 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
1515 Between one and two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1516 Between two and three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1517 Between three and four years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1518 Between four and five years [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1519 Over five years [member] Member ifrs-full:LaterThanFiveYearsMember
1520 Disclosure of maturity analysis for non-derivative financial liabilities [Line items] LineItems ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems
1521 Corporate bonds, bank loans and overdrafts Concept (Monetary) As Of Credit wpp:BorrowingsAndBankOverdrafts
1522 1137 - Disclosure - Provisions for liabilities and charges - Summary of Provisions for Liabilities and Charges (Detail) Network

*

*

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1523 Disclosure Of Noncurrent Provisions [table] Table

*

*

 wpp:DisclosureOfNoncurrentProvisionsTable
1524 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1525 Other provisions [member] Member ifrs-full:OtherProvisionsMember
1526 Property [Member] Member wpp:PropertyProvisionMember
1527 Other [member] Member ifrs-full:MiscellaneousOtherProvisionsMember
1528 Disclosure Of Noncurrent Provisions [line items] LineItems wpp:DisclosureOfNoncurrentProvisionsLineItems
1529 Beginning balance Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisions
1530 Charged to the income statement Concept (Monetary) For Period Credit wpp:AdditionalProvisionsNoncurrentProvisions
1531 Acquisitions Concept (Monetary) For Period Credit wpp:AcquisitionsThroughBusinessCombinationsNoncurrentProvisions
1532 Utilised Concept (Monetary) For Period Debit wpp:ProvisionUsedNoncurrentProvisions
1533 Released to the income statement Concept (Monetary) For Period Debit wpp:UnusedProvisionReversedNoncurrentProvisions
1534 Transfers Concept (Monetary) For Period Credit wpp:IncreaseDecreaseThroughTransfersAndOtherChangesNoncurrentProvisions
1535 Exchange adjustments Concept (Monetary) For Period Credit wpp:IncreaseDecreaseThroughNetExchangeDifferencesNoncurrentProvisions
1536 Ending balance Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisions
1537 1138 - Disclosure - Provisions for liabilities and charges - Summary of Provisions for Liabilities and Charges (Parenthetical) (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionsForLiabilitiesAndChargesSummaryOfProvisionsForLiabilitiesAndChargesParenthetical
1538 Implied Table Table

*

*

 implied:Table
1539 Disclosure of other provisions [abstract] Abstract ifrs-full:DisclosureOfOtherProvisionsAbstract
1540 Acquisitions provisions from revisions to fair value adjustments Concept (Monetary) As Of Credit wpp:RevisionsToFairValueAdjustmentsRelatedToAcquisition
1541 Transformation costs with respect to the strategic initiative of co-locations Concept (Monetary) For Period Debit wpp:TransformationCostsWithRespectToTheStrategicInitiativeOfColocations
1542 1139 - Disclosure - Share-based payments - Charges for Share-based Incentive Plans (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureSharebasedPaymentsChargesForSharebasedIncentivePlans
1543 Implied Table Table

*

*

 implied:Table
1544 Disclosure of share based payments [abstract] Abstract wpp:DisclosureOfShareBasedPaymentsAbstract
1545 Share-based payments (note 5) Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
1546 1140 - Disclosure - Share-based payments - Additional Information (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureSharebasedPaymentsAdditionalInformation
1547 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

 ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1548 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1549 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1550 Restricted stock plans [member] Member wpp:RestrictedStockPlansMember
1551 Executive Performance Share Plan [member] Member wpp:ExecutivePerformanceSharePlanMember
1552 Performance Share Awards [member] Member wpp:PerformanceShareAwardsMember
1553 Leaders, Partners and High Potential Group [member] Member wpp:LeadersPartnersAndHighPotentialGroupMember
1554 Range [axis] Axis ifrs-full:RangeAxis
1555 Ranges [member] Member ifrs-full:RangesMember
1556 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1557 Top of range [member] Member ifrs-full:TopOfRangeMember
1558 Disclosure of terms and conditions of share-based payment arrangement [Line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1559 Unrecognised compensation cost Concept (Monetary) For Period Debit wpp:UnrecognizedSharebasedPaymentsCompensationCost
1560 Unrecognised compensation cost, recognised period Concept (xbrli:durationItemType) For Period wpp:UnrecognizedSharebasedPaymentsCompensationCostRecognisedPeriod
1561 Performance period Concept (xbrli:durationItemType) For Period wpp:AwardsVestingPerformancePeriod
1562 Threshold performance vesting percentage Concept (Percent) For Period wpp:ThresholdPerformanceVestingPercentage
1563 Compound annual growth percentage Concept (Percent) For Period wpp:CompoundAnnualGrowthPercentage
1564 Average return on equity percentage Concept (Percent) For Period wpp:AverageReturnOnEquityPercentage
1565 Compound annual growth percentage Concept (Percent) For Period wpp:PercentageOfReturnOfEquity
1566 Vesting period Concept (xbrli:durationItemType) For Period wpp:SharebasedPaymentsVestingPeriod
1567 Number of key executives covered Concept (Decimal) As Of ifrs-full:NumberOfEmployees
1568 Fair value of shares vested Concept (Monetary) As Of Credit wpp:FairValueOfSharesVestedUnderSharebasedCompensationPlans
1569 1141 - Disclosure - Share-based payments - Movement on Ordinary Shares Granted for Significant Restricted Stock Plans (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureSharebasedPaymentsMovementOnOrdinarySharesGrantedForSignificantRestrictedStockPlans
1570 Disclosure of movement on ordinary shares granted for significant restricted stock plans [table] Table

*

*

 wpp:DisclosureOfMovementOnOrdinarySharesGrantedForSignificantRestrictedStockPlansTable
1571 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1572 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1573 Executive Performance Share Plan [member] Member wpp:ExecutivePerformanceSharePlanMember
1574 Performance Share Awards [member] Member wpp:PerformanceShareAwardsMember
1575 Leaders, Partners and High Potential Group [member] Member wpp:LeadersPartnersAndHighPotentialGroupMember
1576 Disclosure of movement on ordinary shares granted for significant restricted stock plans [line items] LineItems wpp:DisclosureOfMovementOnOrdinarySharesGrantedForSignificantRestrictedStockPlansLineItems
1577 Weighted average fair value, Non-vested beginning balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1578 Weighted average fair value, Granted Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement
1579 Weighted average fair value, Lapsed Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement
1580 Weighted average fair value, Vested Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1581 Weighted average fair value, Non-vested ending balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1582 Number of shares, Non-vested beginning balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1583 Number of shares, Granted Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1584 Number of shares, Lapsed Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement
1585 Number of shares, Vested Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1586 Number of shares, Non-vested ending balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1587 1142 - Disclosure - Provision for post-employment benefits - Pension Costs (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsPensionCosts
1588 Implied Table Table

*

*

 implied:Table
1589 Disclosure Of Pension Costs [abstract] Abstract wpp:DisclosureOfPensionCostsAbstract
1590 Defined contribution plans Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans
1591 Defined benefit plans charge to operating profit Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans
1592 Pension costs (note 5) Concept (Monetary) For Period Debit wpp:PostemploymentBenefitExpenseDefinedContributionAndBenefitPlans
1593 Net interest expense on pension plans (note 6) Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
1594 Pension costs, Net Concept (Monetary) For Period Debit wpp:PostemploymentBenefitExpenseDefinedContributionAndBenefitPlansIncludingInterest
1595 1143 - Disclosure - Provision for post-employment benefits - Additional Information (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsAdditionalInformation
1596 Disclosure of defined benefit plans [table] Table

*

*

 ifrs-full:DisclosureOfDefinedBenefitPlansTable
1597 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1598 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1599 Years life expectancy after age 65 - current pensioners (at age 65) - male [member] Member wpp:ActuarialAssumptionOfMortalityLifeExpectancyAtSixtyFiveForMaleMemberCurrentlyAtAgeSixtyFiveMember
1600 Years life expectancy after age 65 - current pensioners (at age 65) - female [member] Member wpp:ActuarialAssumptionOfMortalityLifeExpectancyAtSixtyFiveForFemaleMemberCurrentlyAtAgeSixtyFiveMember
1601 Years life expectancy after age 65 - future pensioners (current age 45) - male [member] Member wpp:CurrentMemberAgedFortyFiveMalesMember
1602 Years life expectancy after age 65 - future pensioners (current age 45) - female [member] Member wpp:CurrentMemberAgedFortyFiveFemalesMember
1603 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1604 Employer contributions and benefit payments Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
1605 Employer contributions and benefit payments, expected in 2019 Concept (Monetary) For Period Credit ifrs-full:EstimateOfContributionsExpectedToBePaidToPlan
1606 Actuarial assumption of life expectancy Concept (Decimal) As Of ifrs-full:ActuarialAssumptionOfLifeExpectancyAfterRetirement
1607 1144 - Disclosure - Provision for post-employment benefits - Weighted Average Assumptions Used For Actuarial Valuations (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsWeightedAverageAssumptionsUsedForActuarialValuations
1608 Disclosure of defined benefit plans [table] Table

*

*

 ifrs-full:DisclosureOfDefinedBenefitPlansTable
1609 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1610 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1611 United Kingdom [member] Member country:GB
1612 North America [member] Member srt:NorthAmericaMember
1613 Western Continental Europe [member] Member wpp:WesternContinentalEuropeMember
1614 Asia Pacific, Latin America, Africa & Middle East and Central & Eastern Europe [member] Member wpp:AsiaPacificLatinAmericaAfricaAndMiddleEastAndCentralAndEasternEuropeMember
1615 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1616 Discount rate Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
1617 Rate of increase in salaries Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
1618 Rate of increase in pensions in payment Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfPensionIncreases
1619 Inflation Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflation
1620 1145 - Disclosure - Provision for post-employment benefits - Life Expectancies For Defined Benefit Pension Plans (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsLifeExpectanciesForDefinedBenefitPensionPlans
1621 Disclosure of defined benefit plans [table] Table

*

*

 ifrs-full:DisclosureOfDefinedBenefitPlansTable
1622 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1623 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1624 North America [member] Member srt:NorthAmericaMember
1625 United Kingdom [member] Member country:GB
1626 Western Continental Europe [member] Member wpp:WesternContinentalEuropeMember
1627 Asia Pacific, Latin America, Africa & Middle East and Central & Eastern Europe [member] Member wpp:AsiaPacificLatinAmericaAfricaAndMiddleEastAndCentralAndEasternEuropeMember
1628 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1629 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1630 Years life expectancy after age 65 - current pensioners (at age 65) - male [member] Member wpp:ActuarialAssumptionOfMortalityLifeExpectancyAtSixtyFiveForMaleMemberCurrentlyAtAgeSixtyFiveMember
1631 Years life expectancy after age 65 - current pensioners (at age 65) - female [member] Member wpp:ActuarialAssumptionOfMortalityLifeExpectancyAtSixtyFiveForFemaleMemberCurrentlyAtAgeSixtyFiveMember
1632 Years life expectancy after age 65 - future pensioners (current age 45) - male [member] Member wpp:CurrentMemberAgedFortyFiveMalesMember
1633 Years life expectancy after age 65 - future pensioners (current age 45) - female [member] Member wpp:CurrentMemberAgedFortyFiveFemalesMember
1634 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1635 Actuarial assumption of life expectancy Concept (Decimal) As Of ifrs-full:ActuarialAssumptionOfLifeExpectancyAfterRetirement
1636 1146 - Disclosure - Provision for post-employment benefits - Weighted Average Duration of Defined Benefit Pension Obligations and Distribution of Timing of Benefit Payments (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsWeightedAverageDurationOfDefinedBenefitPensionObligationsAndDistributionOfTimingOfBenefitPayments
1637 Disclosure of defined benefit plans [table] Table

*

*

 ifrs-full:DisclosureOfDefinedBenefitPlansTable
1638 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1639 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1640 North America [member] Member srt:NorthAmericaMember
1641 United Kingdom [member] Member country:GB
1642 Western Continental Europe [member] Member wpp:WesternContinentalEuropeMember
1643 Asia Pacific, Latin America, Africa & Middle East and Central & Eastern Europe [member] Member wpp:AsiaPacificLatinAmericaAfricaAndMiddleEastAndCentralAndEasternEuropeMember
1644 Maturity [axis] Axis ifrs-full:MaturityAxis
1645 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1646 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
1647 Between one and two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1648 Between two and three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1649 Between three and four years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1650 Between four and five years [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1651 Later than five years and not later than ten years [member] Member ifrs-full:LaterThanFiveYearsAndNotLaterThanTenYearsMember
1652 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1653 Weighted average duration of the defined benefit obligation (years) Concept (Decimal) For Period ifrs-full:WeightedAverageDurationOfDefinedBenefitObligation
1654 Expected benefit payments Concept (Monetary) As Of Credit wpp:ExpectedBenefitPayments
1655 1147 - Disclosure - Provision for post-employment benefits - Sensitivity Analysis of Significant Actuarial Assumptions (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsSensitivityAnalysisOfSignificantActuarialAssumptions
1656 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

*

*

 ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
1657 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
1658 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
1659 Discount rate [member] Member ifrs-full:ActuarialAssumptionOfDiscountRatesMember
1660 Rate of increase in salaries [member] Member ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember
1661 Rate of increase in pensions in payment [member] Member ifrs-full:ActuarialAssumptionOfExpectedRatesOfPensionIncreasesMember
1662 Life expectancy [member] Member wpp:ActuarialAssumptionOfLifeExpectancyRatesMember
1663 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1664 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1665 United Kingdom [member] Member country:GB
1666 North America [member] Member srt:NorthAmericaMember
1667 Western Continental Europe [member] Member wpp:WesternContinentalEuropeMember
1668 Asia Pacific, Latin America, Africa & Middle East and Central & Eastern Europe [member] Member wpp:AsiaPacificLatinAmericaAfricaAndMiddleEastAndCentralAndEasternEuropeMember
1669 Disclosure of sensitivity analysis for actuarial assumptions [line items] LineItems ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
1670 Assumption, basis point increase Concept (Percent) As Of ifrs-full:PercentageOfReasonablyPossibleIncreaseInActuarialAssumption
1671 Increase/(decrease) in benefit obligation, due to increase in assumption Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption
1672 Assumption, basis point decrease Concept (Percent) As Of ifrs-full:PercentageOfReasonablyPossibleDecreaseInActuarialAssumption
1673 Increase/(decrease) in benefit obligation, due to decrease in assumption Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption
1674 Assumption, increase in longevity Concept (xbrli:durationItemType) For Period wpp:PeriodOfReasonablyPossibleIncreaseInActuarialAssumption
1675 1148 - Disclosure - Provision for post-employment benefits - Fair Value of Assets and Assessed Present Value of Liabilities in Pension Plans (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsFairValueOfAssetsAndAssessedPresentValueOfLiabilitiesInPensionPlans
1676 Implied Table Table

*

*

 implied:Table
1677 Disclosure of defined benefit plans [abstract] Abstract ifrs-full:DisclosureOfDefinedBenefitPlansAbstract
1678 Fair value of assets allocation, Equities Concept (Percent) As Of wpp:FairValueOfPlanAssetsAllocationPercentageEquities
1679 Fair value of assets allocation, Bonds Concept (Percent) As Of wpp:FairValueOfPlanAssetsAllocationPercentageBonds
1680 Fair value of assets allocation, Insured annuities Concept (Percent) As Of wpp:FairValueOfPlanAssetsAllocationPercentageInsuredAnnuities
1681 Fair value of assets allocation, Property Concept (Percent) As Of wpp:FairValueOfPlanAssetsAllocationPercentageProperty
1682 Fair value of assets allocation, Cash Concept (Percent) As Of wpp:FairValueOfPlanAssetsAllocationPercentageCash
1683 Fair value of assets allocation, Other Concept (Percent) As Of wpp:FairValueOfPlanAssetsAllocationPercentageOther
1684 Total fair value of assets allocation Concept (Percent) As Of wpp:FairValueOfPlanAssetsAllocationPercentage
1685 Fair value of assets, Equities Concept (Monetary) As Of Debit ifrs-full:EquityInstrumentsAmountContributedToFairValueOfPlanAssets
1686 Fair value of assets, Bonds Concept (Monetary) As Of Debit ifrs-full:DebtInstrumentsAmountContributedToFairValueOfPlanAssets
1687 Fair value of assets, Insured annuities Concept (Monetary) As Of Debit wpp:InsuredAnnuitiesAmountContributedToFairValueOfPlanAssets
1688 Fair value of assets, Property Concept (Monetary) As Of Debit ifrs-full:PropertyAmountContributedToFairValueOfPlanAssets
1689 Fair value of assets, Cash Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets
1690 Fair value of assets, Other Concept (Monetary) As Of Debit ifrs-full:OtherAssetsAmountContributedToFairValueOfPlanAssets
1691 Total fair value of assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
1692 Present value of liabilities Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
1693 Deficit in the plans Concept (Monetary) As Of Debit ifrs-full:SurplusDeficitInPlan
1694 Irrecoverable surplus Concept (Monetary) As Of Debit wpp:IrrecoverableSurplus
1695 Net liability Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1696 Plans in surplus Concept (Monetary) As Of Debit wpp:PlansInSurplus
1697 Plans in deficit Concept (Monetary) As Of Credit wpp:PlansInDeficit
1698 1149 - Disclosure - Provision for post-employment benefits - Surplus/(Deficit) in Plans by Region (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsSurplusDeficitInPlansByRegion
1699 Disclosure of defined benefit plans [table] Table

*

*

 ifrs-full:DisclosureOfDefinedBenefitPlansTable
1700 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1701 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1702 United Kingdom [member] Member country:GB
1703 North America [member] Member srt:NorthAmericaMember
1704 Western Continental Europe [member] Member wpp:WesternContinentalEuropeMember
1705 Asia Pacific, Latin America, Africa & Middle East and Central & Eastern Europe [member] Member wpp:AsiaPacificLatinAmericaAfricaAndMiddleEastAndCentralAndEasternEuropeMember
1706 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1707 Surplus/(deficit) in plans Concept (Monetary) As Of Debit ifrs-full:SurplusDeficitInPlan
1708 1150 - Disclosure - Provision for post-employment benefits - Funded and Unfunded Pension Plans By Region (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsFundedAndUnfundedPensionPlansByRegion
1709 Disclosure of defined benefit plans [table] Table

*

*

 ifrs-full:DisclosureOfDefinedBenefitPlansTable
1710 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1711 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1712 Funded defined benefit plans [member] Member wpp:FundedDefinedBenefitPlansMember
1713 Unfunded defined benefit plans [member] Member wpp:UnfundedDefinedBenefitPlansMember
1714 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1715 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1716 United Kingdom [member] Member country:GB
1717 North America [member] Member srt:NorthAmericaMember
1718 Western Continental Europe [member] Member wpp:WesternContinentalEuropeMember
1719 Asia Pacific, Latin America, Africa & Middle East and Central & Eastern Europe [member] Member wpp:AsiaPacificLatinAmericaAfricaAndMiddleEastAndCentralAndEasternEuropeMember
1720 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1721 Surplus/ (deficit) Concept (Monetary) As Of Debit ifrs-full:SurplusDeficitInPlan
1722 Present value of liabilities Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
1723 1151 - Disclosure - Provision for post-employment benefits - Pension Expense Charged to Operating Profit, Amounts Charged to Finance Costs and Amounts Recognised in Consolidated Statement of Comprehensive Income (OCI) (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsPensionExpenseChargedToOperatingProfitAmountsChargedToFinanceCostsAndAmountsRecognisedInConsolidatedStatementOfComprehensiveIncomeOCI
1724 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1725 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1726 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1727 Post employment pension expense [member] Member wpp:PostEmploymentPensionExpenseMember
1728 Disclosure of net defined benefit (liability) asset LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
1729 Service cost Concept (Monetary) For Period Credit wpp:ServiceCostNetDefinedBenefitLiabilityAsset
1730 Administrative expenses Concept (Monetary) For Period Credit wpp:AdministrativeExpenseNetDefinedBenefitLiabilityAsset
1731 Charge to operating profit Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans
1732 Net interest expense on pension plans Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
1733 Charge to profit before taxation for defined benefit plans Concept (Monetary) For Period Debit wpp:ChargeToProfitBeforeTaxationForDefinedBenefitPlans
1734 Return on plan assets (excluding interest income) Concept (Monetary) For Period Debit ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset
1735 Changes in demographic assumptions underlying the present value of the plan liabilities Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset
1736 Changes in financial assumptions underlying the present value of the plan liabilities Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
1737 Experience gain arising on the plan liabilities Concept (Monetary) For Period Debit wpp:ExperienceGainLossArisingOnThePlanLiabilities
1738 Change in irrecoverable surplus Concept (Monetary) For Period Debit wpp:ChangeInIrrecoverableSurplusNetDefinedBenefitLiabilityAsset
1739 Actuarial gain/(loss) recognised in OCI Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
1740 1152 - Disclosure - Provision for post-employment benefits - Movement in Pension Plan Liabilities (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsMovementInPensionPlanLiabilities
1741 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1742 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1743 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1744 Retirement benefit obligation [member] Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
1745 Disclosure of net defined benefit (liability) asset LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
1746 Plan liabilities at beginning of year Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1747 Service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
1748 Interest cost Concept (Monetary) For Period Debit wpp:InterestCostOnPlanLiabilities
1749 Effect of changes in demographic assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset
1750 Effect of changes in financial assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
1751 Effect of experience adjustments Concept (Monetary) For Period Debit wpp:ExperienceGainLossArisingOnThePlanLiabilities
1752 Benefits paid Concept (Monetary) For Period Debit ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset
1753 Loss/(gain) due to exchange rate movements Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset
1754 Settlement payments Concept (Monetary) For Period Debit ifrs-full:PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset
1755 Other Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset
1756 Plan liabilities at end of year Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1757 1153 - Disclosure - Provision for post-employment benefits - Movement in Pension Plan Liabilities (Parenthetical) (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsMovementInPensionPlanLiabilitiesParenthetical
1758 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1759 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1760 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1761 United Kingdom [member] Member country:GB
1762 Disclosure of net defined benefit (liability) asset LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
1763 Settlement payments Concept (Monetary) For Period Debit ifrs-full:PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset
1764 1154 - Disclosure - Provision for post-employment benefits - Movement in Pension Plan Assets (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsMovementInPensionPlanAssets
1765 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1766 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1767 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1768 Plan assets [member] Member ifrs-full:PlanAssetsMember
1769 Disclosure of net defined benefit (liability) asset LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
1770 Fair value of plan assets at beginning of year Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1771 Interest income on plan assets Concept (Monetary) For Period Credit wpp:InterestIncomeOnPlanAssets
1772 Return on plan assets (excluding interest income) Concept (Monetary) For Period Debit ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset
1773 Employer contributions Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
1774 Benefits paid Concept (Monetary) For Period Debit ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset
1775 Gain/(loss) due to exchange rate movements Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset
1776 Settlement payments Concept (Monetary) For Period Debit ifrs-full:PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset
1777 Administrative expenses Concept (Monetary) For Period Credit wpp:AdministrativeExpenseNetDefinedBenefitLiabilityAsset
1778 Other Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset
1779 Fair value of plan assets at end of year Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1780 Actual return on plan assets Concept (Monetary) For Period Debit wpp:ActualReturnOnPlanAssets
1781 1155 - Disclosure - Provision for post-employment benefits - Movement in Pension Plan Assets (Parenthetical) (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureProvisionForPostemploymentBenefitsMovementInPensionPlanAssetsParenthetical
1782 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1783 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1784 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1785 United Kingdom [member] Member country:GB
1786 Disclosure of net defined benefit (liability) asset LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
1787 Settlement payments Concept (Monetary) For Period Debit ifrs-full:PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset
1788 1156 - Disclosure - Risk management policies - Additional Information (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureRiskManagementPoliciesAdditionalInformation
1789 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1790 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1791 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1792 US dollar borrowings [member] Member wpp:UsDollarBorrowingsMember
1793 Sterling Borrowings [member] Member wpp:SterlingBorrowingsMember
1794 Euro Borrowings [member] Member wpp:EuroBorrowingsMember
1795 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1796 Risks [member] Member ifrs-full:TypesOfRisksMember
1797 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
1798 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1799 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1800 Fixed interest rate [member] Member ifrs-full:FixedInterestRateMember
1801 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
1802 Range [axis] Axis ifrs-full:RangeAxis
1803 Ranges [member] Member ifrs-full:RangesMember
1804 Weighted average [member] Member ifrs-full:WeightedAverageMember
1805 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1806 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1807 Percentage of debt Concept (Percent) For Period wpp:PercentageOfDebt
1808 Borrowings interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1809 Average period of debt Concept (xbrli:durationItemType) For Period wpp:DebtPeriod
1810 Total committed facilities available Concept (Monetary) As Of ifrs-full:NotionalAmount
1811 Percentage increase in market interest rate Concept (Percent) For Period wpp:PercentageIncreaseInMarketInterestRate
1812 Potential amount of change due to an increase or decrease in risk Concept (Monetary) As Of ifrs-full:RiskExposureAssociatedWithInstrumentsSharingCharacteristic
1813 Percentage decrease in market interest rate Concept (Percent) For Period wpp:PercentageDecreaseInMarketInterestRate
1814 1157 - Disclosure - Risk management policies - Committed Facilities (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureRiskManagementPoliciesCommittedFacilities
1815 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1816 Maturity [axis] Axis ifrs-full:MaturityAxis
1817 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1818 Within one year [member] Member ifrs-full:NotLaterThanOneYearMember
1819 Between one and two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1820 Between two and three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1821 Between three and four years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1822 Later than four years [member] Member wpp:LaterThanFourYearsMember
1823 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1824 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1825 Sterling bonds due September 2046 [member] Member wpp:SterlingBondsDueSeptember2046Member
1826 US$ bonds due November 2043 [member] Member wpp:USDBondsDueNovember2043Member
1827 US$ bonds due September 2042 [member] Member wpp:USDBondsDueSeptember2042Member
1828 Euro bonds due March 2030 [member] Member wpp:EurobondsDueMarch2030Member
1829 Euro bonds due September 2026 [member] Member wpp:EurobondsDueSeptember2026Member
1830 US$ bonds due September 2024 [member] Member wpp:USDBondsDueSeptember2024Member
1831 Euro bonds due November 2023 [member] Member wpp:EurobondsDueNovember2023Member
1832 US$ bonds due September 2022 [member] Member wpp:USDBondsDueSeptember2022Member
1833 US$ bonds due November 2021 [member] Member wpp:USDBondsDueNovember2021Member
1834 US revolving credit facilities [member] Member wpp:USRevolvingCreditFacilitiesMember
1835 Sterling bonds due November 2020 [member] Member wpp:SterlingBondsDueNovember2020Member
1836 Eurobonds (3m EURIBOR + 0.32%) due May 2020 [member] Member wpp:EurobondsDueMay2020Member
1837 Euro bonds due November 2019 [member] Member wpp:EurobondsDueNovember2019Member
1838 Australian New Zealand revolving credit facilities [member] Member wpp:AustralianRevolvingCreditFacilitiesMember
1839 Euro bonds due 2025 [member] Member wpp:EuroBondsDue2025Member
1840 Eurobonds (3m EURIBOR + 0.45%) due March 2022 [member] Member wpp:EuroBondsDue2022Member
1841 Australian revolving credit facilities due 2019 [member] Member wpp:AustralianRevolvingCreditFacilitiesDue2019Member
1842 Australian revolving credit facilities due 2021 [member] Member wpp:AustralianRevolvingCreditFacilitiesDue2021Member
1843 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1844 Adjustment to floating basis Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1845 Floating basis Concept (Text/String) For Period ifrs-full:BorrowingsInterestRateBasis
1846 Total committed facilities available Concept (Monetary) As Of ifrs-full:NotionalAmount
1847 Drawn down facilities Concept (Monetary) As Of Credit wpp:DrawnBorrowingFacilities
1848 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1849 Undrawn committed credit facilities Concept (Monetary) As Of Credit ifrs-full:UndrawnBorrowingFacilities
1850 1158 - Disclosure - Financial instruments - Additional Information (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureFinancialInstrumentsAdditionalInformation
1851 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1852 Hedged items [axis] Axis ifrs-full:HedgedItemsAxis
1853 Hedged items [member] Member ifrs-full:HedgedItemsMember
1854 Derivatives in designated hedge relationships [member] Member wpp:DerivativesDesignatedAsHedgesMember
1855 Derivatives not designated as hedges [member] Member wpp:DerivativesNotDesignatedAsHedgesMember
1856 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1857 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1858 Foreign Exchange Contracts [member] Member wpp:ForeignExchangeContractsMember
1859 Interest Rate Swap Contract [member] Member ifrs-full:InterestRateSwapContractMember
1860 Contracts due in March 2025 [member] Member wpp:ContractsDueInMarch2025Member
1861 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1862 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1863 Fixed interest rate [member] Member ifrs-full:FixedInterestRateMember
1864 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
1865 Maturity [axis] Axis ifrs-full:MaturityAxis
1866 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1867 Until September 2022 [member] Member wpp:UntilSeptember2022Member
1868 Until November 2021 [member] Member wpp:UntilNovember2021Member
1869 Discount rate [axis] Axis wpp:DiscountRateAxis
1870 Discount rate 1- [member] Member wpp:DiscountRate1Member
1871 0.5 percentage point increase or decrease [member] Member wpp:ZeroPointFivePercentagePointIncreaseOrDecreaseMember
1872 Balance Sheet Location [axis] Axis wpp:BalanceSheetLocationAxis
1873 Balance Sheet Location [member] Member wpp:BalanceSheetLocationMember
1874 Trade and other receivable [member] Member wpp:TradeAndOtherReceivableMember
1875 Trade and Other Payable [member] Member wpp:TradeAndOtherPayableMember
1876 Growth rate [axis] Axis wpp:GrowthRateAxis
1877 Growth rate [member] Member wpp:GrowthRateMember
1878 One percentage point increase or decrease [member] Member wpp:OnePercentagePointIncreaseOrDecreaseMember
1879 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1880 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1881 Available for sale [member] Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
1882 Held at fair value through other comprehensive income [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1883 Held at fair value through profit or loss [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1884 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1885 Currently stated [member] Member ifrs-full:RestatedMember
1886 Adoption of IFRS 9 [member] Member wpp:AdoptionOfIFRS9Member
1887 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1888 Receipts Concept (Monetary) For Period Debit wpp:WorkingCapitalReceivableAmount
1889 Payments Concept (Monetary) For Period Credit wpp:WorkingCapitalPaymentAmount
1890 Fair value estimated to be a net asset (liability) Concept (Monetary) As Of Debit wpp:DerivativeFinancialAssetsLiabilitiesNet
1891 Derivative assets Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1892 Derivative liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1893 Deferred amount in equity Concept (Monetary) For Period Debit wpp:DeferredAmountChargedInEquity
1894 Gain (loss) on changes in the fair value relating to the ineffective portion Concept (Monetary) For Period Credit ifrs-full:GainLossOnHedgeIneffectiveness
1895 Gain (loss) on changes in the fair value relating to the ineffective portion, loss on hedging instruments Concept (Monetary) For Period Credit ifrs-full:GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness
1896 Gain (loss) on changes in the fair value relating to the ineffective portion, gain on hedged items Concept (Monetary) For Period Credit ifrs-full:GainLossOnChangeInFairValueOfHedgedItemUsedAsBasisForRecognisingHedgeIneffectiveness
1897 Nominal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1898 Derivative interest rates Concept (Percent) For Period wpp:DerivativeInterestRates
1899 Derivative interest rates, LIBOR adjustment Concept (Percent) For Period wpp:DerivativeAdjustmentToInterestRateBasis
1900 Ending balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1901 Weighted average growth rate Concept (Percent) As Of wpp:WeightedAverageGrowthRate
1902 Risk adjusted discount rate Concept (Percent) As Of wpp:RiskAdjustedDiscountRate
1903 Increase in combined liabilities due to earn out and put option arrangement Concept (Monetary) As Of Credit wpp:IncreaseInCombinedLiabilitiesDueToEarnoutAndPutOptionArrangement
1904 Decrease in combined liabilities due to earn out and put option arrangement Concept (Monetary) As Of Debit wpp:DecreaseInCombinedLiabilitiesDueToEarnoutAndPutOptionArrangement
1905 1159 - Disclosure - Financial instruments - Analysis of Financial Assets and Liabilities (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureFinancialInstrumentsAnalysisOfFinancialAssetsAndLiabilities
1906 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1907 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1908 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1909 Derivatives in designated hedge relationships [member] Member wpp:DerivativesDesignatedAsHedgesMember
1910 Held at fair value through profit or loss [member] Member wpp:FinancialInstrumentsHeldAtFairValueThroughProfitOrLossMember
1911 Held at fair value through other comprehensive income [member] Member wpp:HeldAtFairValueThroughOtherComprehensiveIncomeMember
1912 Amortised cost [member] Member ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember
1913 Carrying value [member] Member wpp:CarryingValueMember
1914 Held for trading [member] Member wpp:FinancialInstrumentsHeldForTradingMember
1915 Loans and receivables [member] Member ifrs-full:LoansAndReceivablesCategoryMember
1916 Available for sale [member] Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
1917 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1918 Currently stated [member] Member ifrs-full:RestatedMember
1919 Classification under IFRS 9 [member] Member wpp:ClassificationUnderIFRS9Member
1920 Classification under IAS39 [member] Member wpp:ClassificationUnderIAS39Member
1921 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1922 Other investments Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1923 Cash and short-term deposits Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1924 Bank overdrafts, bonds and bank loans Concept (Monetary) As Of Credit wpp:BankOverdraftsAndBondsAndLoansCurrent
1925 Bonds and bank loans Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1926 Trade and other receivables: amounts falling due within one year Concept (Monetary) As Of Debit wpp:TradeAndOtherReceivablesGrossCurrent
1927 Trade and other receivables: amounts falling due after more than one year Concept (Monetary) As Of Debit wpp:TradeAndOtherReceivablesGrossNoncurrent
1928 Trade and other payables: amounts falling due within one year Concept (Monetary) As Of Credit wpp:TradeAndOtherPayablesGrossCurrent
1929 Trade and other payables: amounts falling due after more than one year Concept (Monetary) As Of Credit wpp:TradeAndOtherPayablesGrossNoncurrent
1930 Derivative assets Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1931 Derivative liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1932 Payments due to vendors (earnout agreements) (note 18) Concept (Monetary) As Of Credit wpp:ContingentConsiderationCurrentAndNoncurrentPayableToVendors
1933 Liabilities in respect of put options Concept (Monetary) As Of Credit wpp:LiabilitiesOfPutOptionAgreementsWithVendors
1934 Financial instruments Concept (Monetary) As Of Debit wpp:FinancialAssetsLiabilitiesNet
1935 1160 - Disclosure - Financial instruments - Analysis of Financial Instruments Measured at Fair Value (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureFinancialInstrumentsAnalysisOfFinancialInstrumentsMeasuredAtFairValue
1936 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1937 Measurement [axis] Axis ifrs-full:MeasurementAxis
1938 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1939 At Fair Value [member] Member ifrs-full:AtFairValueMember
1940 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1941 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1942 Level 1 [member] Member ifrs-full:Level1OfFairValueHierarchyMember
1943 Level 2 [member] Member ifrs-full:Level2OfFairValueHierarchyMember
1944 Level 3 [member] Member ifrs-full:Level3OfFairValueHierarchyMember
1945 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1946 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1947 Derivatives in designated hedge relationships [member] Member wpp:DerivativesDesignatedAsHedgesMember
1948 Held for trading [member] Member wpp:FinancialInstrumentsHeldForTradingMember
1949 Equity investments [member] Member ifrs-full:EquityInvestmentsMember
1950 Held at fair value through profit or loss [member] Member wpp:FinancialInstrumentsHeldAtFairValueThroughProfitOrLossMember
1951 Held at fair value through other comprehensive income [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1952 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1953 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1954 Derivatives Assets [member] Member wpp:DerivativesAssetsMember
1955 Other investments [member] Member wpp:OtherInvestmentsMember
1956 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1957 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1958 Derivatives Liabilities [member] Member wpp:DerivativesLiabilitiesMember
1959 Trade And Other Payables To Trade Suppliers [member] Member wpp:TradeAndOtherPayablesToTradeSuppliersMember
1960 Liabilities in Respect of Put Options [member] Member wpp:LiabilitiesInRespectOfPutOptionsMember
1961 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1962 Beginning balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1963 Derivative assets Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1964 Liabilities in respect of put options Concept (Monetary) As Of Credit wpp:LiabilitiesOfPutOptionAgreementsWithVendors
1965 Gains/(losses) recognised in the income statement Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets
1966 Derivative liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1967 Gains/(losses) recognised in other comprehensive income Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets
1968 Payments due to vendors (earnout agreements) (note 18) Concept (Monetary) As Of Credit wpp:ContingentConsiderationCurrentAndNoncurrentPayableToVendors
1969 Exchange adjustments Concept (Monetary) For Period Debit wpp:IncreaseDecreaseThroughNetExchangeDifferencesFairValueMeasurementAssets
1970 Additions Concept (Monetary) For Period Debit ifrs-full:IssuesFairValueMeasurementAssets
1971 Disposals Concept (Monetary) For Period Credit ifrs-full:SalesFairValueMeasurementAssets
1972 Reclassifications from other investments to interests in associates Concept (Monetary) For Period Debit wpp:ReclassificationFromOtherInvestmentsToAssociates
1973 Settlements Concept (Monetary) For Period Credit ifrs-full:SettlementsFairValueMeasurementAssets
1974 Ending balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1975 Beginning balance Concept (Monetary) As Of Credit ifrs-full:Liabilities
1976 Gains recognised in the income statement Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities
1977 Exchange adjustments Concept (Monetary) For Period Credit wpp:IncreaseDecreaseThroughNetExchangeDifferencesFairValueMeasurementLiabilities
1978 Additions Concept (Monetary) For Period Credit ifrs-full:IssuesFairValueMeasurementLiabilities
1979 Cancellations Concept (Monetary) For Period Debit wpp:CancellationsFairValueMeasurementLiabilities
1980 Settlements Concept (Monetary) For Period Debit ifrs-full:SettlementsFairValueMeasurementLiabilities
1981 Ending balance Concept (Monetary) As Of Credit ifrs-full:Liabilities
1982 1161 - Disclosure - Authorised and issued share capital - Summary of Authorised and Issued Share Capital (Detail) Network

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*

 http://www.wpp.com/taxonomy/role/DisclosureAuthorisedAndIssuedShareCapitalSummaryOfAuthorisedAndIssuedShareCapital
1983 Disclosure of classes of share capital [table] Table

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*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
1984 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
1985 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
1986 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
1987 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1988 Equity ordinary shares, authorised Concept (Shares) As Of ifrs-full:NumberOfSharesAuthorised
1989 Nominal value of Authorised shares Concept (Monetary) As Of Credit wpp:AuthorisedCapital
1990 Number of shares issued and fully paid, Beginning balance Concept (Shares) As Of ifrs-full:NumberOfSharesIssuedAndFullyPaid
1991 Exercise of share options Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1992 Number of shares issued and fully paid, Ending balance Concept (Shares) As Of ifrs-full:NumberOfSharesIssuedAndFullyPaid
1993 Issued and fully paid capital, Beginning balance Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
1994 Exercise of share options Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
1995 Issued and fully paid capital, Ending balance Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
1996 1162 - Disclosure - Authorised and issued share capital - Additional Information (Detail) Network

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*

 http://www.wpp.com/taxonomy/role/DisclosureAuthorisedAndIssuedShareCapitalAdditionalInformation
1997 Disclosure of classes of share capital [table] Table

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*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
1998 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
1999 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2000 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
2001 American depository receipts [member] Member wpp:AmericanDepositoryReceiptsMember
2002 Share purchase options [member] Member wpp:SharePurchaseOptionsMember
2003 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
2004 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
2005 WPP Executive Share Option Scheme [member] Member wpp:WppExecutiveShareOptionScheme1Member
2006 WPP Worldwide Share Ownership Program [member] Member wpp:WppWorldwideShareOwnershipProgram1Member
2007 WPP Share Option Plan 2015 [member] Member wpp:WPPShareOptionPlan2015Member
2008 WPP Worldwide Share Ownership Program [member] Member wpp:WPPWorldwideShareOwnershipProgramMember
2009 Executive Stock Option Plan [member] Member wpp:ExecutiveStockOptionPlanMember
2010 Range [axis] Axis ifrs-full:RangeAxis
2011 Ranges [member] Member ifrs-full:RangesMember
2012 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
2013 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
2014 Number of the ordinary shares of the Company held by the ESOP Concept (Shares) As Of wpp:SharesHeldInEmployeeOwnershipTrusts
2015 Market value of the ordinary shares of the Company held by the ESOP Concept (Monetary) As Of Debit wpp:MarketValueOfSharesHeldByTrustUnderEmployeeShareOwnershipPlan
2016 Number of ordinary shares held in treasury Concept (Shares) As Of wpp:NumberOfSharesInTreasury
2017 Ordinary shares held in Treasury at market value Concept (Monetary) As Of Credit wpp:MarketValueOfTreasuryShares
2018 Number of ordinary shares under option Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
2019 Unexercised options Concept (Decimal) As Of wpp:NumberOfOutstandingADROptions
2020 Unrecognised compensation costs related to share options Concept (Monetary) For Period Debit wpp:UnrecognizedSharebasedPaymentsCompensationCost
2021 Unrecognised compensation cost related to share options, weighted average period Concept (xbrli:durationItemType) For Period wpp:UnrecognizedSharebasedPaymentsCompensationCostRecognisedPeriod
2022 Average share price Concept (Monetary) For Period ifrs-full:WeightedAverageSharePrice
2023 Average ADR Price Concept (Monetary) For Period wpp:WeightedAverageADRPrice
2024 Threshold period for employment participation in employee stock ownership plan Concept (xbrli:durationItemType) For Period wpp:ThresholdPeriodForEmploymentParticipationInEmployeeStockOnwershipPlan
2025 Vesting period Concept (xbrli:durationItemType) For Period wpp:SharebasedPaymentsVestingPeriod
2026 Share option performance effect Concept (Text/String) For Period wpp:ShareOptionsPerformanceEffect
2027 Share option granted in Life Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
2028 1163 - Disclosure - Authorised and issued share capital - Options Granted, WPP Executive Share Option Scheme (Detail) Network

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*

 http://www.wpp.com/taxonomy/role/DisclosureAuthorisedAndIssuedShareCapitalOptionsGrantedWPPExecutiveShareOptionScheme
2029 Disclosure of range of exercise prices of outstanding share options [table] Table

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*

 ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable
2030 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
2031 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
2032 WPP Executive Share Option Scheme [member] Member wpp:WPPExecutiveShareOptionSchemeMember
2033 Ranges of exercise prices for outstanding share options [axis] Axis ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis
2034 Ranges of exercise prices for outstanding share options [member] Member ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember
2035 Exercise price group 1 [member] Member wpp:ExercisePriceOneMember
2036 Exercise price group 2 [member] Member wpp:ExercisePriceTwoMember
2037 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2038 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2039 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
2040 Disclosure of range of exercise prices of outstanding share options [line items] LineItems ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems
2041 Number of ordinary shares under option Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
2042 Exercise price per share Concept (Monetary) As Of ifrs-full:ExercisePriceOfOutstandingShareOptions
2043 Exercise dates Concept (Text/String) For Period wpp:ExerciseDateRangeOfSharebasedPaymentArrangement
2044 1164 - Disclosure - Authorised and issued share capital - Options Granted, WPP Worldwide Share Ownership Program (Detail) Network

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*

 http://www.wpp.com/taxonomy/role/DisclosureAuthorisedAndIssuedShareCapitalOptionsGrantedWPPWorldwideShareOwnershipProgram
2045 Disclosure of range of exercise prices of outstanding share options [table] Table

*

*

 ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable
2046 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
2047 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
2048 WPP Worldwide Share Ownership Program [member] Member wpp:WPPWorldwideShareOwnershipProgramMember
2049 Ranges of exercise prices for outstanding share options [axis] Axis ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis
2050 Ranges of exercise prices for outstanding share options [member] Member ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember
2051 Exercise price group 1 [member] Member wpp:ExercisePriceOneMember
2052 Exercise price group 2 [member] Member wpp:ExercisePriceTwoMember
2053 Exercise price group 3 [member] Member wpp:ExercisePriceThreeMember
2054 Exercise price group 4 [member] Member wpp:ExercisePriceFourMember
2055 Exercise price group 5 [member] Member wpp:ExercisePriceFiveMember
2056 Exercise price group 6 [member] Member wpp:ExercisePriceSixMember
2057 Exercise price group 7 [member] Member wpp:ExercisePriceSevenMember
2058 Exercise price group 8 [member] Member wpp:ExercisePriceEightMember
2059 Exercise price group 9 [member] Member wpp:ExercisePriceNineMember
2060 Exercise price group 10 [member] Member wpp:ExercisePriceTenMember
2061 Exercise price group 11 [member] Member wpp:ExercisePriceElevenMember
2062 Exercise price group 12 [member] Member wpp:ExercisePriceTwelveMember
2063 Exercise price group 13 [member] Member wpp:ExercisePriceThirteenMember
2064 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2065 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2066 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
2067 American depository receipts [member] Member wpp:AmericanDepositoryReceiptsMember
2068 Disclosure of range of exercise prices of outstanding share options [line items] LineItems ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems
2069 Number of ordinary shares under option Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
2070 Exercise price per share Concept (Monetary) As Of ifrs-full:ExercisePriceOfOutstandingShareOptions
2071 Exercise dates Concept (Text/String) For Period wpp:ExerciseDateRangeOfSharebasedPaymentArrangement
2072 Number of ADRs under option Concept (Decimal) As Of wpp:NumberOfOutstandingADROptions
2073 Exercise price per ADR Concept (Monetary) As Of wpp:ExercisePriceOfOutstandingADROptions
2074 Exercise dates Concept (Text/String) For Period wpp:ExerciseDateRangeOfADRBasedPaymentArrangement
2075 1165 - Disclosure - Authorised and issued share capital - Options Granted, WPP Share Option Plan 2015 (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureAuthorisedAndIssuedShareCapitalOptionsGrantedWPPShareOptionPlan2015
2076 Disclosure of range of exercise prices of outstanding share options [table] Table

*

*

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2077 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
2078 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
2079 WPP Share Option Plan 2015 [member] Member wpp:WPPShareOptionPlan2015Member
2080 Ranges of exercise prices for outstanding share options [axis] Axis ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis
2081 Ranges of exercise prices for outstanding share options [member] Member ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember
2082 Exercise price group 1 [member] Member wpp:ExercisePriceOneMember
2083 Exercise price group 2 [member] Member wpp:ExercisePriceTwoMember
2084 Exercise price group 3 [member] Member wpp:ExercisePriceThreeMember
2085 Exercise price group 4 [member] Member wpp:ExercisePriceFourMember
2086 Exercise price group 5 [member] Member wpp:ExercisePriceFiveMember
2087 Exercise price group 6 [member] Member wpp:ExercisePriceSixMember
2088 Exercise price group 7 [member] Member wpp:ExercisePriceSevenMember
2089 Exercise price group 8 [member] Member wpp:ExercisePriceEightMember
2090 Exercise price group 9 [member] Member wpp:ExercisePriceNineMember
2091 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2092 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2093 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
2094 American depository receipts [member] Member wpp:AmericanDepositoryReceiptsMember
2095 Disclosure of range of exercise prices of outstanding share options [line items] LineItems ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems
2096 Number of ordinary shares under option Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
2097 Exercise price per share Concept (Monetary) As Of ifrs-full:ExercisePriceOfOutstandingShareOptions
2098 Exercise dates Concept (Text/String) For Period wpp:ExerciseDateRangeOfSharebasedPaymentArrangement
2099 Number of ADRs under option Concept (Decimal) As Of wpp:NumberOfOutstandingADROptions
2100 Exercise price per ADR Concept (Monetary) As Of wpp:ExercisePriceOfOutstandingADROptions
2101 Exercise dates Concept (Text/String) For Period wpp:ExerciseDateRangeOfADRBasedPaymentArrangement
2102 1166 - Disclosure - Authorised and issued share capital - Movements and Weighted-average Exercise Price for Options Granted (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureAuthorisedAndIssuedShareCapitalMovementsAndWeightedaverageExercisePriceForOptionsGranted
2103 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

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2104 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2105 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2106 American depository receipts [member] Member wpp:AmericanDepositoryReceiptsMember
2107 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
2108 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
2109 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
2110 WPP Executive Share Option Scheme [member] Member wpp:WPPExecutiveShareOptionSchemeMember
2111 WPP Worldwide Share Ownership Program [member] Member wpp:WPPWorldwideShareOwnershipProgramMember
2112 WPP Executive Share Option New Scheme [member] Member wpp:WPPExecutiveShareOptionNewSchemeMember
2113 WPP Share Option Plans [member] Member wpp:WppShareOptionPlansMember
2114 WPP Share Option Plan 2015 [member] Member wpp:WPPShareOptionPlan2015Member
2115 Disclosure of terms and conditions of share-based payment arrangement [Line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
2116 Options granted, Beginning balance Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
2117 Options granted, Granted Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
2118 Options granted, Exercised Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
2119 Options granted, Lapsed Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExpiredInSharebasedPaymentArrangement
2120 Options granted, Ending balance Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
2121 Options granted, Exercisable Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
2122 Weighted-average exercise price for options, 1 January Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
2123 Weighted-average exercise price for options, Granted Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
2124 Weighted-average exercise price for options, Exercised Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
2125 Weighted-average exercise price for options, Lapsed Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement
2126 Weighted-average exercise price for options, Outstanding 31 December Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
2127 Weighted-average exercise price for options, Exercisable Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
2128 Weighted-average exercise price for options, 1 January Concept (Monetary) As Of wpp:WeightedAverageExercisePriceOfADROptionsOutstandingInSharebasedPaymentArrangement
2129 Weighted-average exercise price for options, Granted Concept (Monetary) For Period wpp:WeightedAverageExercisePriceOfADROptionsGrantedInSharebasedPaymentArrangement
2130 Weighted-average exercise price for options, Exercised Concept (Monetary) For Period wpp:WeightedAverageExercisePriceOfADROptionsExercisedInSharebasedPaymentArrangement
2131 Weighted-average exercise price for options, Lapsed Concept (Monetary) For Period wpp:WeightedAverageExercisePriceOfADROptionsExpiredInSharebasedPaymentArrangement
2132 Weighted-average exercise price for options, Outstanding 31 December Concept (Monetary) As Of wpp:WeightedAverageExercisePriceOfADROptionsOutstandingInSharebasedPaymentArrangement
2133 Weighted-average exercise price for options, Exercisable Concept (Monetary) As Of wpp:WeightedAverageExercisePriceOfADROptionsExercisableInSharebasedPaymentArrangement
2134 1167 - Disclosure - Authorised and issued share capital - Range of Exercise Prices of Options (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureAuthorisedAndIssuedShareCapitalRangeOfExercisePricesOfOptions
2135 Disclosure of range of exercise prices of outstanding share options [table] Table

*

*

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2136 Range [axis] Axis ifrs-full:RangeAxis
2137 Ranges [member] Member ifrs-full:RangesMember
2138 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
2139 Top of range [member] Member ifrs-full:TopOfRangeMember
2140 Weighted average [member] Member ifrs-full:WeightedAverageMember
2141 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2142 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2143 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
2144 American depository receipts [member] Member wpp:AmericanDepositoryReceiptsMember
2145 Disclosure of range of exercise prices of outstanding share options [line items] LineItems ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems
2146 Exercise price Concept (Monetary) As Of ifrs-full:ExercisePriceOfOutstandingShareOptions
2147 Weighted average contractual life Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
2148 Exercise price Concept (Monetary) As Of wpp:ExercisePriceOfOutstandingADROptions
2149 Weighted average contractual life Concept (Decimal) As Of wpp:WeightedAverageRemainingContractualLifeOfOutstandingADROptions
2150 1168 - Disclosure - Authorised and issued share capital - Weighted Average Fair Value of Options Granted and Weighted Average Assumptions (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureAuthorisedAndIssuedShareCapitalWeightedAverageFairValueOfOptionsGrantedAndWeightedAverageAssumptions
2151 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

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2152 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
2153 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
2154 United Kingdom [member] Member country:GB
2155 United States [member] Member country:US
2156 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2157 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2158 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
2159 American depository receipts [member] Member wpp:AmericanDepositoryReceiptsMember
2160 Disclosure of terms and conditions of share-based payment arrangement [Line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
2161 Fair value of options Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateShareOptionsGranted
2162 Weighted average assumptions: Abstract wpp:WeightedAverageAssumptionsAbstract
2163 Risk-free interest rate Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
2164 Expected life (months) Concept (xbrli:durationItemType) For Period wpp:FairValueAssumptionsExpectedLife
2165 Expected volatility Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
2166 Dividend yield Concept (Percent) For Period ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted
2167 1169 - Disclosure - Other reserves - Summary of Other Reserves (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureOtherReservesSummaryOfOtherReserves
2168 Disclosure of reserves within equity [table] Table

*

*

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2169 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2170 Equity [member] Member ifrs-full:EquityMember
2171 Capital redemption reserve [member] Member ifrs-full:CapitalRedemptionReserveMember
2172 Reserve of gains and losses from investments in equity instruments [member] Member ifrs-full:ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember
2173 Revaluation reserve [member] Member ifrs-full:RevaluationSurplusMember
2174 Translation reserve [member] Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
2175 Other reserves [member] Member ifrs-full:OtherReservesMember
2176 Disclosure of reserves within equity [line items] LineItems ifrs-full:DisclosureOfReservesWithinEquityLineItems
2177 Beginning balance Concept (Monetary) As Of Credit ifrs-full:OtherReserves
2178 Exchange adjustments on foreign currency net investments Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
2179 Gain (loss) on revaluation of available for sale investments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax
2180 Accounting policy change (IFRS 9) Concept (Monetary) For Period Credit wpp:IncreaseDecreaseDueToTheAdoptionOfIFRS9
2181 Recognition and remeasurement of financial instruments Concept (Monetary) For Period Credit wpp:RecognitionRemeasurementsOfFinancialInstruments
2182 Ending balance Concept (Monetary) As Of Credit ifrs-full:OtherReserves
2183 1170 - Disclosure - Acquisitions - Book Values of Identifiable Assets and Liabilities Acquired and Their Fair Value (Detail) Network

*

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2184 Disclosure of detailed information about business combination [table] Table

*

*

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2185 Measurement [axis] Axis ifrs-full:MeasurementAxis
2186 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
2187 Book value [member] Member wpp:BookValueMember
2188 Fair value adjustments [member] Member wpp:FairValueAdjustmentsMember
2189 At Fair Value [member] Member ifrs-full:AtFairValueMember
2190 Disclosure of detailed information about business combination [line items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
2191 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate
2192 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate
2193 Cash Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsRecognisedAsOfAcquisitionDate
2194 Trade receivables due within one year Concept (Monetary) As Of Debit wpp:TradeReceivablesRecognisedAsOfAcquisitionDate
2195 Other current assets Concept (Monetary) As Of Debit wpp:OtherCurrentAssetsRecognisedAsOfAcquisitionDate
2196 Total assets Concept (Monetary) As Of Debit wpp:AssetsRecognisedAsOfAcquisitionDate
2197 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilitiesRecognisedAsOfAcquisitionDate
2198 Trade and other payables due after one year Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayablesRecognisedAsOfAcquisitionDate
2199 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate
2200 Provisions Concept (Monetary) As Of Credit wpp:ProvisionsRecognisedAsOfAcquisitionDate
2201 Bank loans Concept (Monetary) As Of Credit ifrs-full:BorrowingsRecognisedAsOfAcquisitionDate
2202 Total liabilities Concept (Monetary) As Of Credit wpp:LiabilitiesRecognisedAsOfAcquisitionDate
2203 Net assets Concept (Monetary) As Of Debit ifrs-full:IdentifiableAssetsAcquiredLiabilitiesAssumed
2204 Non-controlling interests Concept (Monetary) As Of Credit wpp:NoncontrollingInterestsInAcquireeRecognisedAtAcquisitionDate
2205 Fair value of equity stake in associate undertakings before acquisition of controlling interest Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfEquityInterestInAcquireeHeldByAcquirerImmediatelyBeforeAcquisitionDate
2206 Goodwill Concept (Monetary) As Of Debit ifrs-full:GoodwillRecognisedAsOfAcquisitionDate
2207 Consideration Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
2208 Consideration satisfied by: Abstract ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract
2209 Cash Concept (Monetary) As Of Credit ifrs-full:CashTransferred
2210 Payments due to vendors Concept (Monetary) As Of Debit wpp:ContingentConsiderationInBusinessCombination
2211 1171 - Disclosure - Acquisitions - Additional Information (Detail) Network

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*

 http://www.wpp.com/taxonomy/role/DisclosureAcquisitionsAdditionalInformation
2212 Implied Table Table

*

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2213 Disclosure of detailed information about business combination [abstract] Abstract ifrs-full:DisclosureOfBusinessCombinationsAbstract
2214 Goodwill that is expected to be deductible for tax purposes Concept (Monetary) As Of Debit ifrs-full:GoodwillExpectedDeductibleForTaxPurposes
2215 1172 - Disclosure - Reconciliation of profit before interest and taxation to headline PBIT - Summary of Reconciliation of Profit Before Interest and Taxation to Headline PBIT (Detail) Network

*

*

 http://www.wpp.com/taxonomy/role/DisclosureReconciliationOfProfitBeforeInterestAndTaxationToHeadlinePBITSummaryOfReconciliationOfProfitBeforeInterestAndTaxationToHeadlinePBIT
2216 Implied Table Table

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2217 Disclosure of reconciliation of profit before interest and taxation to headline PBIT [abstract] Abstract wpp:DisclosureOfReconciliationOfProfitBeforeInterestAndTaxationAbstract
2218 Profit before interest and taxation Concept (Monetary) For Period Credit wpp:ProfitLossBeforeInterestAndTaxation
2219 Amortisation and impairment of acquired intangible assets Concept (Monetary) For Period Debit wpp:AmortizationAndImpairmentOfAcquiredIntangibleAssets
2220 Goodwill impairment Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
2221 Gains on disposal of investments and subsidiaries Concept (Monetary) For Period Credit ifrs-full:GainsOnDisposalsOfInvestments
2222 (Gains)/losses on remeasurement of equity interests arising from a change in scope of ownership Concept (Monetary) For Period Credit wpp:GainsLossesOnRemeasurementOfEquityInterestsArisingFromChangeInScopeOfOwnership
2223 Investment write-downs Concept (Monetary) For Period Debit wpp:InvestmentWriteDowns
2224 Restructuring and transformation costs Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
2225 Share of exceptional losses/(gains) of associates Concept (Monetary) For Period Credit wpp:ShareOfExceptionalGainsLossesOfAssociates
2226 Headline PBIT Concept (Monetary) For Period Credit wpp:HeadlineProfitLossBeforeInterestAndTaxation
2227 1173 - Disclosure - Condensed consolidating financial information for bonds issued by WPP Finance 2010 with WPP plc as parent guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as subsidiary guarantors - Additional Information (Detail) Network

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 http://www.wpp.com/taxonomy/role/DisclosureCondensedConsolidatingFinancialInformationForBondsIssuedByWPPFinance2010WithWPPPlcAsParentGuarantorAndWPPAir1WPP2008LimitedWPP2005LimitedWPP2012LimitedAndWPPJubileeLimitedAsSubsi_Xa
2228 Condensed Financial Statements [Table] Table

*

*

 srt:ScheduleOfCondensedFinancialStatementsTable
2229 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2230 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2231 US$ bonds due September 2022 [member] Member wpp:USDBondsDueSeptember2022Member
2232 US$ bonds due September 2042 [member] Member wpp:USDBondsDueSeptember2042Member
2233 US$ bonds due November 2021 [member] Member wpp:USDBondsDueNovember2021Member
2234 Disclosure of detailed information of condensed consolidating financial information [line items] LineItems wpp:DisclosureOfDetailedInformationOfCondensedConsolidatedFinancialInformationLineItems
2235 Bond amount Concept (Monetary) As Of Credit ifrs-full:BondsIssued
2236 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
2237 Repayment of bonds Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBondsNotesAndDebentures
2238 Bond amount initially issued Concept (Monetary) As Of Credit wpp:BondsInitiallyIssued
2239 Ownership percentage in subsidiaries Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
2240 1174 - Disclosure - Condensed consolidating financial information for bonds issued by WPP Finance 2010 with WPP plc as parent guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as subsidiary guarantors - Condensed Consolidating Income Statement Information (Detail) Network

*

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 http://www.wpp.com/taxonomy/role/DisclosureCondensedConsolidatingFinancialInformationForBondsIssuedByWPPFinance2010WithWPPPlcAsParentGuarantorAndWPPAir1WPP2008LimitedWPP2005LimitedWPP2012LimitedAndWPPJubileeLimitedAsSubsi_Xd
2241 Condensed Income Statement [Table] Table

*

*

 srt:CondensedIncomeStatementTable
2242 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2243 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2244 WPP plc [member] Member ifrs-full:ParentMember
2245 Subsidiary Guarantors [member] Member srt:GuarantorSubsidiariesMember
2246 WPP Finance 2010 [member] Member wpp:WPPFinance2010Member
2247 Other Subsidiaries [member] Member wpp:OtherSubsidiariesMember
2248 Reclassifications/Eliminations [member] Member ifrs-full:MaterialReconcilingItemsMember
2249 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
2250 Consolidated [member] Member ifrs-full:ConsolidatedMember
2251 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPAir1WPP2008LimitedWPP2005LimitedWPP2012LimitedAndWPPJubileeLimitedAsSubsidiaryGuarantorsMember
2252 Condensed Consolidating Income Statement Information LineItems wpp:DisclosureOfCondensedConsolidatingIncomeStatementInformationLineItems
2253 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
2254 Costs of services Concept (Monetary) For Period Debit ifrs-full:CostOfSales
2255 Gross profit Concept (Monetary) For Period Credit ifrs-full:GrossProfit
2256 General and administrative costs Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
2257 Operating profit Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
2258 Share of results of subsidiaries Concept (Monetary) For Period Credit ifrs-full:OtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates
2259 Share of results of associates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
2260 Profit before interest and taxation Concept (Monetary) For Period Credit wpp:ProfitLossBeforeInterestAndTaxation
2261 Finance income Concept (Monetary) For Period Credit wpp:FinanceIncome1
2262 Finance costs Concept (Monetary) For Period Debit wpp:FinanceCosts1
2263 Revaluation of financial instruments Concept (Monetary) For Period Credit wpp:RevaluationOfFinancialInstruments
2264 Profit before taxation Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
2265 Taxation Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
2266 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2267 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
2268 Equity holders of the parent Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
2269 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
2270 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2271 1175 - Disclosure - Condensed consolidating financial information for bonds issued by WPP Finance 2010 with WPP plc as parent guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as subsidiary guarantors - Condensed Consolidating Statement of Comprehensive Income (Detail) Network

*

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 http://www.wpp.com/taxonomy/role/DisclosureCondensedConsolidatingFinancialInformationForBondsIssuedByWPPFinance2010WithWPPPlcAsParentGuarantorAndWPPAir1WPP2008LimitedWPP2005LimitedWPP2012LimitedAndWPPJubileeLimitedAsSubsi_Xe
2272 Condensed Statement of Comprehensive Income [Table] Table

*

*

 srt:CondensedStatementOfComprehensiveIncomeTable
2273 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
2274 Consolidated [member] Member ifrs-full:ConsolidatedMember
2275 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPAir1WPP2008LimitedWPP2005LimitedWPP2012LimitedAndWPPJubileeLimitedAsSubsidiaryGuarantorsMember
2276 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2277 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2278 WPP plc [member] Member ifrs-full:ParentMember
2279 Subsidiary Guarantors [member] Member srt:GuarantorSubsidiariesMember
2280 WPP Finance 2010 [member] Member wpp:WPPFinance2010Member
2281 Other Subsidiaries [member] Member wpp:OtherSubsidiariesMember
2282 Reclassifications/Eliminations [member] Member ifrs-full:MaterialReconcilingItemsMember
2283 Condensed consolidating statement of comprehensive income LineItems wpp:DisclosureOfCondensedConsolidatingStatementOfComprehensiveIncomeLineItems
2284 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2285 Items that may be reclassified subsequently to profit or loss: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
2286 Exchange adjustments on foreign currency net investments Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
2287 Gain/(loss) on revaluation of available for sale investments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax
2288 Items that may be reclassified subsequently to profit or loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
2289 Items that will not be reclassified subsequently to profit or loss: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
2290 Actuarial gain/(loss) on defined benefit pension plans Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
2291 Deferred tax on defined benefit pension plans Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
2292 Movements on equity investments held at fair value through other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments
2293 Items that will not be reclassified subsequently to profit or loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax
2294 Other comprehensive (loss)/income for the year Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
2295 Total comprehensive income/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
2296 Attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
2297 Equity holders of the parent Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
2298 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
2299 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
2300 1176 - Disclosure - Condensed consolidating financial information for bonds issued by WPP Finance 2010 with WPP plc as parent guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as subsidiary guarantors - Condensed Consolidating Cash Flow Statement Information (Detail) Network

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 http://www.wpp.com/taxonomy/role/DisclosureCondensedConsolidatingFinancialInformationForBondsIssuedByWPPFinance2010WithWPPPlcAsParentGuarantorAndWPPAir1WPP2008LimitedWPP2005LimitedWPP2012LimitedAndWPPJubileeLimitedAsSubsi_Xc
2301 Condensed Cash Flow Statement [Table] Table

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*

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2302 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2303 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2304 WPP plc [member] Member ifrs-full:ParentMember
2305 Subsidiary Guarantors [member] Member srt:GuarantorSubsidiariesMember
2306 WPP Finance 2010 [member] Member wpp:WPPFinance2010Member
2307 Other Subsidiaries [member] Member wpp:OtherSubsidiariesMember
2308 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
2309 Consolidated [member] Member ifrs-full:ConsolidatedMember
2310 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPAir1WPP2008LimitedWPP2005LimitedWPP2012LimitedAndWPPJubileeLimitedAsSubsidiaryGuarantorsMember
2311 Condensed consolidating cash flow statement information LineItems wpp:DisclosureOfCondensedConsolidatingCashFlowStatementInformationLineItems
2312 Net cash inflow/(outflow) from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
2313 Investing activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
2314 Acquisitions Concept (Monetary) For Period Credit wpp:AcquisitionsClassifiedAsInvestingActivities
2315 Proceeds on disposal of investments and subsidiaries Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
2316 Purchases of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
2317 Purchases of other intangible assets (including capitalised computer software) Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
2318 Proceeds on disposal of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
2319 Net cash inflow/(outflow) from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
2320 Financing activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
2321 Share option proceeds Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
2322 Cash consideration for non-controlling interests Concept (Monetary) For Period Credit wpp:CashConsiderationForNonControllingInterests
2323 Share repurchases and buy-backs Concept (Monetary) For Period Credit ifrs-full:PaymentsToAcquireOrRedeemEntitysShares
2324 Net (decrease)/increase in borrowings Concept (Monetary) For Period Credit wpp:ProceedsFromOrRepaymentsOfBorrowingsClassifiedAsFinancingActivities
2325 Financing and share issue costs Concept (Monetary) For Period Credit wpp:PaymentsForFinancingAndShareIssueCosts
2326 Equity dividends paid Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities
2327 Dividends paid to non-controlling interests in subsidiary undertakings Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities
2328 Net cash (outflow)/inflow from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
2329 Net (decrease)/increase in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
2330 Translation of cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
2331 Cash and cash equivalents at beginning of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
2332 Cash and cash equivalents at end of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
2333 1177 - Disclosure - Condensed consolidating financial information for bonds issued by WPP Finance 2010 with WPP plc as parent guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as subsidiary guarantors - Condensed Consolidating Balance Sheet Information (Detail) Network

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*

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2334 Condensed Financial Statements [Table] Table

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2335 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2336 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2337 WPP plc [member] Member ifrs-full:ParentMember
2338 Subsidiary Guarantors [member] Member srt:GuarantorSubsidiariesMember
2339 WPP Finance 2010 [member] Member wpp:WPPFinance2010Member
2340 Other Subsidiaries [member] Member wpp:OtherSubsidiariesMember
2341 Reclassifications/Eliminations [member] Member ifrs-full:MaterialReconcilingItemsMember
2342 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
2343 Consolidated [member] Member ifrs-full:ConsolidatedMember
2344 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPAir1WPP2008LimitedWPP2005LimitedWPP2012LimitedAndWPPJubileeLimitedAsSubsidiaryGuarantorsMember
2345 Disclosure of detailed information of condensed consolidating financial information [line items] LineItems wpp:DisclosureOfDetailedInformationOfCondensedConsolidatedFinancialInformationLineItems
2346 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
2347 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
2348 Other Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
2349 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
2350 Investment in subsidiaries Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiaries
2351 Interests in associates and joint ventures Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
2352 Other investments Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
2353 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
2354 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivables
2355 Intercompany receivables Concept (Monetary) As Of Debit wpp:IntercompanyReceivables
2356 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
2357 Current assets Abstract ifrs-full:CurrentAssetsAbstract
2358 Corporate income tax recoverable Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssetsCurrent
2359 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
2360 Intercompany receivables Concept (Monetary) As Of Debit wpp:IntercompanyReceivablesCurrent
2361 Cash and short-term deposits Concept (Monetary) As Of Debit wpp:CashAndShortTermDeposits
2362 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
2363 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
2364 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
2365 Intercompany payables Concept (Monetary) As Of Credit wpp:InterCompanyPayablesCurrent
2366 Corporate income tax payable Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
2367 Bank overdrafts, bonds and bank loans Concept (Monetary) As Of Credit wpp:BankOverdraftsAndBondsAndLoansCurrent
2368 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
2369 Net current (liabilities)/assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssetsLiabilities
2370 Total assets less current liabilities Concept (Monetary) As Of Debit ifrs-full:AssetsLessCurrentLiabilities
2371 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
2372 Bonds and bank loans Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
2373 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayables
2374 Intercompany payables Concept (Monetary) As Of Credit wpp:InterCompanyPayablesNonCurrent
2375 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
2376 Provision for post-employment benefits Concept (Monetary) As Of Credit wpp:ProvisionForPostEmploymentBenefits
2377 Provisions for liabilities and charges Concept (Monetary) As Of Credit wpp:ProvisionsForLiabilitiesAndCharges
2378 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
2379 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
2380 Attributable to: Abstract ifrs-full:EquityAbstract
2381 Equity shareholders' funds Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
2382 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
2383 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
2384 1178 - Disclosure - Condensed consolidating financial information for bonds issued by WPP Finance 2010 with WPP plc as parent guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as subsidiary guarantors - Condensed Consolidating Balance Sheet Information (Parenthetical) (Detail) Network

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 http://www.wpp.com/taxonomy/role/DisclosureCondensedConsolidatingFinancialInformationForBondsIssuedByWPPFinance2010WithWPPPlcAsParentGuarantorAndWPPAir1WPP2008LimitedWPP2005LimitedWPP2012LimitedAndWPPJubileeLimitedAsSubsi_XbParenthetical
2385 Condensed Financial Statements [Table] Table

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2386 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2387 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2388 Guarantor Subsidiaries and Other Subsidiaries [member] Member wpp:GuarantorSubsidiariesAndOtherSubsidiariesMember
2389 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
2390 Consolidated [member] Member ifrs-full:ConsolidatedMember
2391 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Air 1, WPP 2008 Limited, WPP 2005 Limited, WPP 2012 Limited, and WPP Jubilee Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPAir1WPP2008LimitedWPP2005LimitedWPP2012LimitedAndWPPJubileeLimitedAsSubsidiaryGuarantorsMember
2392 Disclosure of detailed information of condensed consolidating financial information [line items] LineItems wpp:DisclosureOfDetailedInformationOfCondensedConsolidatedFinancialInformationLineItems
2393 Restatement for intercompany receivables and intercompany payables Concept (Monetary) As Of Debit wpp:RestatedIntercompanyReceivablesAndIntercompanyPayables
2394 1179 - Disclosure - Condensed consolidating financial information for bonds issued by WPP Finance 2010 with WPP plc as parent guarantor and WPP Jubilee Limited and WPP 2005 Limited as subsidiary guarantors - Additional Information (Detail) Network

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2395 Condensed Financial Statements [Table] Table

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*

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2396 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2397 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2398 US$ bonds due September 2024 [member] Member wpp:USDBondsDueSeptember2024Member
2399 US$ bonds due November 2043 [member] Member wpp:USDBondsDueNovember2043Member
2400 Disclosure of detailed information of condensed consolidating financial information [line items] LineItems wpp:DisclosureOfDetailedInformationOfCondensedConsolidatedFinancialInformationLineItems
2401 Bond amount Concept (Monetary) As Of Credit ifrs-full:BondsIssued
2402 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
2403 Outstanding bond amount Concept (Monetary) As Of Credit wpp:OutstandingBalanceOnBonds
2404 Bonds repayment amount Concept (Monetary) As Of Debit wpp:BondsRepaymentsAmount
2405 Ownership percentage in subsidiaries Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
2406 1180 - Disclosure - Condensed consolidating financial information for bonds issued by WPP Finance 2010 with WPP plc as parent guarantor and WPP Jubilee Limited and WPP 2005 Limited as subsidiary guarantors - Condensed Consolidating Income Statement (Detail) Network

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*

 http://www.wpp.com/taxonomy/role/DisclosureCondensedConsolidatingFinancialInformationForBondsIssuedByWPPFinance2010WithWPPPlcAsParentGuarantorAndWPPJubileeLimitedAndWPP2005LimitedAsSubsidiaryGuarantorsCondensedConsolidati_Xi
2407 Condensed Income Statement [Table] Table

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2408 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
2409 Consolidated [member] Member ifrs-full:ConsolidatedMember
2410 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Jubilee Limited and WPP 2005 Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPJubileeLimitedAndWPP2005LimitedAsSubsidiaryGuarantorsMember
2411 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2412 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2413 WPP plc [member] Member ifrs-full:ParentMember
2414 Subsidiary Guarantors [member] Member srt:GuarantorSubsidiariesMember
2415 WPP Finance 2010 [member] Member wpp:WPPFinance2010Member
2416 Other Subsidiaries [member] Member wpp:OtherSubsidiariesMember
2417 Reclassifications/Eliminations [member] Member ifrs-full:MaterialReconcilingItemsMember
2418 Condensed Consolidating Income Statement Information LineItems wpp:DisclosureOfCondensedConsolidatingIncomeStatementInformationLineItems
2419 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
2420 Costs of services Concept (Monetary) For Period Debit ifrs-full:CostOfSales
2421 Gross profit Concept (Monetary) For Period Credit ifrs-full:GrossProfit
2422 General and administrative costs Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
2423 Operating profit/(loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
2424 Share of results of subsidiaries Concept (Monetary) For Period Credit ifrs-full:OtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates
2425 Share of results of associates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
2426 Profit before interest and taxation Concept (Monetary) For Period Credit wpp:ProfitLossBeforeInterestAndTaxation
2427 Finance income Concept (Monetary) For Period Credit wpp:FinanceIncome1
2428 Finance costs Concept (Monetary) For Period Debit wpp:FinanceCosts1
2429 Revaluation of financial instruments Concept (Monetary) For Period Credit wpp:RevaluationOfFinancialInstruments
2430 Profit before taxation Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
2431 Taxation Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
2432 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2433 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
2434 Equity holders of the parent Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
2435 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
2436 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2437 1181 - Disclosure - Condensed consolidating financial information for bonds issued by WPP Finance 2010 with WPP plc as parent guarantor and WPP Jubilee Limited and WPP 2005 Limited as subsidiary guarantors - Condensed Consolidating Statement of Comprehensive Income (Detail) Network

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 http://www.wpp.com/taxonomy/role/DisclosureCondensedConsolidatingFinancialInformationForBondsIssuedByWPPFinance2010WithWPPPlcAsParentGuarantorAndWPPJubileeLimitedAndWPP2005LimitedAsSubsidiaryGuarantorsCondensedConsolidati_Xj
2438 Condensed Statement of Comprehensive Income [Table] Table

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*

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2439 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
2440 Consolidated [member] Member ifrs-full:ConsolidatedMember
2441 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Jubilee Limited and WPP 2005 Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPJubileeLimitedAndWPP2005LimitedAsSubsidiaryGuarantorsMember
2442 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2443 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2444 WPP plc [member] Member ifrs-full:ParentMember
2445 Subsidiary Guarantors [member] Member srt:GuarantorSubsidiariesMember
2446 WPP Finance 2010 [member] Member wpp:WPPFinance2010Member
2447 Other Subsidiaries [member] Member wpp:OtherSubsidiariesMember
2448 Reclassifications/Eliminations [member] Member ifrs-full:MaterialReconcilingItemsMember
2449 Condensed consolidating statement of comprehensive income LineItems wpp:DisclosureOfCondensedConsolidatingStatementOfComprehensiveIncomeLineItems
2450 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2451 Items that may be reclassified subsequently to profit or loss: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
2452 Exchange adjustments on foreign currency net investments Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
2453 Gain/(loss) on revaluation of available for sale investments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax
2454 Items that may be reclassified subsequently to profit or loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
2455 Items that will not be reclassified subsequently to profit or loss: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
2456 Actuarial gain/(loss) on defined benefit pension plans Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
2457 Deferred tax on defined benefit pension plans Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
2458 Movements on equity investments held at fair value through other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments
2459 Items that will not be reclassified subsequently to profit or loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax
2460 Other comprehensive (loss)/income for the period Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
2461 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
2462 Attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
2463 Equity holders of the parent Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
2464 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
2465 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
2466 1182 - Disclosure - Condensed consolidating financial information for bonds issued by WPP Finance 2010 with WPP plc as parent guarantor and WPP Jubilee Limited and WPP 2005 Limited as subsidiary guarantors - Condensed Consolidating Cash Flow Statement (Detail) Network

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2467 Condensed Cash Flow Statement [Table] Table

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2468 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
2469 Consolidated [member] Member ifrs-full:ConsolidatedMember
2470 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Jubilee Limited and WPP 2005 Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPJubileeLimitedAndWPP2005LimitedAsSubsidiaryGuarantorsMember
2471 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2472 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2473 WPP plc [member] Member ifrs-full:ParentMember
2474 Subsidiary Guarantors [member] Member srt:GuarantorSubsidiariesMember
2475 WPP Finance 2010 [member] Member wpp:WPPFinance2010Member
2476 Other Subsidiaries [member] Member wpp:OtherSubsidiariesMember
2477 Condensed consolidating cash flow statement information LineItems wpp:DisclosureOfCondensedConsolidatingCashFlowStatementInformationLineItems
2478 Net cash inflow/(outflow) from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
2479 Investing activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
2480 Acquisitions Concept (Monetary) For Period Credit wpp:AcquisitionsClassifiedAsInvestingActivities
2481 Proceeds on disposal of investments and subsidiaries Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
2482 Purchases of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
2483 Purchases of other intangible assets (including capitalised computer software) Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
2484 Proceeds on disposal of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
2485 Net cash outflow from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
2486 Financing activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
2487 Share option proceeds Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
2488 Cash consideration for non-controlling interests Concept (Monetary) For Period Credit wpp:CashConsiderationForNonControllingInterests
2489 Share repurchases and buy-backs Concept (Monetary) For Period Credit ifrs-full:PaymentsToAcquireOrRedeemEntitysShares
2490 Net (decrease)/increase in borrowings Concept (Monetary) For Period Credit wpp:ProceedsFromOrRepaymentsOfBorrowingsClassifiedAsFinancingActivities
2491 Financing and share issue costs Concept (Monetary) For Period Credit wpp:PaymentsForFinancingAndShareIssueCosts
2492 Equity dividends paid Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities
2493 Dividends paid to non-controlling interests in subsidiary undertakings Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities
2494 Net cash (outflow)/inflow from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
2495 Net (decrease)/increase in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
2496 Translation of cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
2497 Cash and cash equivalents at beginning of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
2498 Cash and cash equivalents at end of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
2499 1183 - Disclosure - Condensed consolidating financial information for bonds issued by WPP Finance 2010 with WPP plc as parent guarantor and WPP Jubilee Limited and WPP 2005 Limited as subsidiary guarantors - Condensed Consolidating Balance Sheet (Detail) Network

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 http://www.wpp.com/taxonomy/role/DisclosureCondensedConsolidatingFinancialInformationForBondsIssuedByWPPFinance2010WithWPPPlcAsParentGuarantorAndWPPJubileeLimitedAndWPP2005LimitedAsSubsidiaryGuarantorsCondensedConsolidati_Xg
2500 Condensed Financial Statements [Table] Table

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2501 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
2502 Consolidated [member] Member ifrs-full:ConsolidatedMember
2503 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Jubilee Limited and WPP 2005 Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPJubileeLimitedAndWPP2005LimitedAsSubsidiaryGuarantorsMember
2504 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2505 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2506 WPP plc [member] Member ifrs-full:ParentMember
2507 Subsidiary Guarantors [member] Member srt:GuarantorSubsidiariesMember
2508 WPP Finance 2010 [member] Member wpp:WPPFinance2010Member
2509 Other Subsidiaries [member] Member wpp:OtherSubsidiariesMember
2510 Reclassifications/Eliminations [member] Member ifrs-full:MaterialReconcilingItemsMember
2511 Disclosure of detailed information of condensed consolidating financial information [line items] LineItems wpp:DisclosureOfDetailedInformationOfCondensedConsolidatedFinancialInformationLineItems
2512 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
2513 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
2514 Other Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
2515 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
2516 Investment in subsidiaries Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiaries
2517 Interests in associates and joint ventures Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
2518 Other investments Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
2519 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
2520 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivables
2521 Intercompany receivables Concept (Monetary) As Of Debit wpp:IntercompanyReceivables
2522 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
2523 Current assets Abstract ifrs-full:CurrentAssetsAbstract
2524 Corporate income tax recoverable Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssetsCurrent
2525 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
2526 Intercompany receivables Concept (Monetary) As Of Debit wpp:IntercompanyReceivablesCurrent
2527 Cash and short-term deposits Concept (Monetary) As Of Debit wpp:CashAndShortTermDeposits
2528 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
2529 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
2530 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
2531 Intercompany payables Concept (Monetary) As Of Credit wpp:InterCompanyPayablesCurrent
2532 Corporate income tax payable Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
2533 Bank overdrafts, bonds and bank loans Concept (Monetary) As Of Credit wpp:BankOverdraftsAndBondsAndLoansCurrent
2534 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
2535 Net current (liabilities)/assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssetsLiabilities
2536 Total assets less current liabilities Concept (Monetary) As Of Debit ifrs-full:AssetsLessCurrentLiabilities
2537 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
2538 Bonds and bank loans Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
2539 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayables
2540 Intercompany payables Concept (Monetary) As Of Credit wpp:InterCompanyPayablesNonCurrent
2541 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
2542 Provision for post-employment benefits Concept (Monetary) As Of Credit wpp:ProvisionForPostEmploymentBenefits
2543 Provisions for liabilities and charges Concept (Monetary) As Of Credit wpp:ProvisionsForLiabilitiesAndCharges
2544 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
2545 Net assets Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
2546 Attributable to: Abstract ifrs-full:EquityAbstract
2547 Equity shareholders' funds Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
2548 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
2549 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
2550 1184 - Disclosure - Condensed consolidating financial information for bonds issued by WPP Finance 2010 with WPP plc as parent guarantor and WPP Jubilee Limited and WPP 2005 Limited as subsidiary guarantors - Condensed Consolidating Balance Sheet (Parenthetical) (Detail) Network

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 http://www.wpp.com/taxonomy/role/DisclosureCondensedConsolidatingFinancialInformationForBondsIssuedByWPPFinance2010WithWPPPlcAsParentGuarantorAndWPPJubileeLimitedAndWPP2005LimitedAsSubsidiaryGuarantorsCondensedConsolidati_XgParenthetical
2551 Condensed Financial Statements [Table] Table

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 srt:ScheduleOfCondensedFinancialStatementsTable
2552 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2553 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2554 Guarantor Subsidiaries and Other Subsidiaries [member] Member wpp:GuarantorSubsidiariesAndOtherSubsidiariesMember
2555 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
2556 Consolidated [member] Member ifrs-full:ConsolidatedMember
2557 Condensed Consolidating Financial Information for Bonds Issued by WPP Finance 2010 with WPP plc as Parent Guarantor and WPP Jubilee Limited and WPP 2005 Limited as Subsidiary Guarantors [member] Member wpp:WPPFinance2010WithWPPplcAsParentGuarantorAndWPPJubileeLimitedAndWPP2005LimitedAsSubsidiaryGuarantorsMember
2558 Disclosure of detailed information of condensed consolidating financial information [line items] LineItems wpp:DisclosureOfDetailedInformationOfCondensedConsolidatedFinancialInformationLineItems
2559 Restatement for intercompany receivables and intercompany payables Concept (Monetary) As Of Debit wpp:RestatedIntercompanyReceivablesAndIntercompanyPayables

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