XML 72 R64.htm IDEA: XBRL DOCUMENT
v3.23.2

Trade and other receivables - Additional information (Detail) - GBP (£) £ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Disclosure of detailed information about financial instruments [line items] |  |  |
Surplus in pension plan | £ 16.0 |  | £ 15.4
Allowance for bad and doubtful debts as a percentage of gross trade accounts receivables | 0.80% |  | 1.00%
Trade receivables |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Bad debt expenses | £ 5.4 | £ 11.5 |

X
- Definition The amount of additional allowance for credit losses of financial assets recognised in profit or loss. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2022-03-24 + Details
Name: | ifrs-full_AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Allowance for bad and doubtful debts percentage. + References No definition available. + Details
Name: | wpp_AllowanceForBadAndDoubtfulDebtsPercentage
Namespace Prefix: | wpp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Plans In Surplus + References No definition available. + Details
Name: | wpp_PlansInSurplus
Namespace Prefix: | wpp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_TradeReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |