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v3.25.1

Segment information - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2024 segment
General Information and Statement of IFRS Compliance [Abstract] |
Number of reportable segments | 3

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- Definition General Information and Statement of IFRS Compliance Abstract + 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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- Definition Number Of Reportable Segments1 + References No definition available. + Details
Name: | wpp_NumberOfReportableSegments1
Namespace Prefix: | wpp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration