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Consolidated statement of changes in equity (Parenthetical) - GBP (£) £ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Statement of changes in equity [abstract] |  |  |
Reserve of gains and losses on hedging instruments that hedge investments in equity instruments | £ 354 | £ 347 | £ 344
Cancellation of treasury shares (in shares) | 50,367,570 |  |

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- Definition A component of equity representing the accumulated gains and losses on hedging instruments that hedge investments in equity instruments that the entity has designated at fair value through other comprehensive income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 78 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_78_e&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Definition Cancellation of Treasury Shares, Shares + References No definition available. + Details
Name: | wpp_CancellationOfTreasurySharesShares
Namespace Prefix: | wpp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration