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Trade and Other Payables Amounts Falling Due After More than One Year - Summary of Deferred and Earnout Related Obligations (Detail) - GBP (£) £ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Disclosure Of Fair Value Of Contingent Consideration [abstract] |  |  |
At the beginning of the period | £ 253.8 | £ 414.7 | £ 414.7
Earnouts paid | (88.5) | (57.9) | (130.0)
New acquisitions | 2.9 | 3.9 | 9.6
Revision of estimates taken to goodwill | (3.0) | 1.1 | (14.3)
Revaluation of payments due to vendors (note 6) | (4.3) | 8.4 | 1.1
Transfer to disposal group classified as held for sale |  |  | (11.5)
Exchange adjustments | 5.7 | 1.3 | (15.8)
At the end of the period | £ 166.6 | £ 371.5 | £ 253.8

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- Definition Contingent consideration current and non-current payable to vendors (earnout agreements). + References No definition available. + Details
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- Definition Disclosure Of Fair Value Of Contingent Consideration [abstract]. + References No definition available. + Details
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- Definition Earnouts paid. + References No definition available. + Details
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- Definition Increase (decrease) through business combinations, contingent consideration. + References No definition available. + Details
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- Definition Revaluation of payments due to vendors, Increase decrease in payables + References No definition available. + Details
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- Definition Revision of estimates taken to goodwill. + References No definition available. + Details
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Namespace Prefix: | wpp_
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- Definition Transfer to disposal group classified as held for sale from trade and other payables. + References No definition available. + Details
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