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v3.23.2

Ordinary dividends (Detail) - £ / shares | 6 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Interim period amount [member] |  |
Disclosure of Dividends [line items] |  |
Dividends declared (pound per share) | £ 15.0 | £ 15.0
Previous period final amount [member] |  |
Disclosure of Dividends [line items] |  |
Dividends declared (pound per share) | £ 24.4 |

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- Definition The amount, per share, of dividends recognised as distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 107 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_107&doctype=Standard -URIDate 2022-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition Disclosure of Dividends [line items] + References No definition available. + Details
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Namespace Prefix: | wpp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_MaturityAxis=wpp_InterimPeriodAmountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_MaturityAxis=wpp_PreviousPeriodFinalAmountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |