XML 74 R65.htm IDEA: XBRL DOCUMENT
v3.21.2

Cash and cash equivalents and debt financing - Additional Information (Detail) - GBP (£) £ in Millions | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Corporate bond [member] |  |
Disclosure of bank overdraft bonds and bank loans [line items] |  |
Fair value of corporate bonds | £ 5,282.5 | £ 5,509.1

X
- Definition The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_25&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_FinancialLiabilitiesAtFairValue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Disclosure of bank overdraft bonds and bank loans. + References No definition available. + Details
Name: | wpp_DisclosureOfBankOverdraftBondsAndBankLoansLineItems
Namespace Prefix: | wpp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=wpp_CorporateBondMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |