XML 126 R114.htm IDEA: XBRL DOCUMENT
v3.20.4

Assets held for sale and discontinued operations - Detailed Information About Gain On Sale Of Discontinued Operations (Parenthetical) (Detail) - Discontinued operations [member] £ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 GBP (£)
Statement [Line Items] |
Percentage of interest in associates | 40.00%
Deferred consideration upon satisfaction of certain conditions | £ 79.6
Deferred consideration upon satisfaction of certain conditions | £ 78.0
Support period for disposal group | 4 years

X
- Definition The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestInAssociate
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deferred consideration upon satisfaction of certain conditions. + References No definition available. + Details
Name: | wpp_DeferredConsiderationUponSatisfactionOfCertainConditions
Namespace Prefix: | wpp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Deferred consideration against services the Group will supply to the discontinued operations on favourable terms in the future. + References No definition available. + Details
Name: | wpp_DeferredConsiderationUponSupplyCommitments
Namespace Prefix: | wpp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Statement [line item] + References No definition available. + Details
Name: | wpp_StatementLineItems
Namespace Prefix: | wpp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Support period for disposal group. + References No definition available. + Details
Name: | wpp_SupportPeriodForDisposalGroup
Namespace Prefix: | wpp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ContinuingAndDiscontinuedOperationsAxis=ifrs-full_DiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |