XML 80 R72.htm IDEA: XBRL DOCUMENT
v3.23.2

Financial instruments - Fair Value of assets and liabilities (Detail) - GBP (£) £ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Disclosure of detailed information about financial instruments [line items] |  |
Other investments | £ 332.9 | £ 369.8
Recurring fair value measurement | Level 1 | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Other investments | 0.4 |
Recurring fair value measurement | Level 1 | Held at fair value through other comprehensive income |  |
Disclosure of detailed information about financial instruments [line items] |  |
Other investments | 7.2 |
Recurring fair value measurement | Level 1 | Derivatives |  |
Disclosure of detailed information about financial instruments [line items] |  |
Liabilities | 0.0 |
Recurring fair value measurement | Level 1 | Derivatives | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Liabilities | 0.0 |
Recurring fair value measurement | Level 1 | Payments due to vendors (earnout agreements) | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Liabilities | 0.0 |
Recurring fair value measurement | Level 1 | Liabilities in respect of put options | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Liabilities | 0.0 |
Recurring fair value measurement | Level 1 | Derivatives |  |
Disclosure of detailed information about financial instruments [line items] |  |
Assets | 0.0 |
Recurring fair value measurement | Level 1 | Derivatives | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Assets | 0.0 |
Recurring fair value measurement | Level 2 | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Other investments | 0.0 |
Recurring fair value measurement | Level 2 | Held at fair value through other comprehensive income |  |
Disclosure of detailed information about financial instruments [line items] |  |
Other investments | 0.0 |
Recurring fair value measurement | Level 2 | Derivatives |  |
Disclosure of detailed information about financial instruments [line items] |  |
Liabilities | (51.0) |
Recurring fair value measurement | Level 2 | Derivatives | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Liabilities | (1.8) |
Recurring fair value measurement | Level 2 | Payments due to vendors (earnout agreements) | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Liabilities | 0.0 |
Recurring fair value measurement | Level 2 | Liabilities in respect of put options | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Liabilities | 0.0 |
Recurring fair value measurement | Level 2 | Derivatives |  |
Disclosure of detailed information about financial instruments [line items] |  |
Assets | 14.8 |
Recurring fair value measurement | Level 2 | Derivatives | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Assets | 2.9 |
Recurring fair value measurement | Level 3 | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Other investments | 257.5 |
Recurring fair value measurement | Level 3 | Held at fair value through other comprehensive income |  |
Disclosure of detailed information about financial instruments [line items] |  |
Other investments | 67.8 |
Recurring fair value measurement | Level 3 | Derivatives |  |
Disclosure of detailed information about financial instruments [line items] |  |
Liabilities | 0.0 |
Recurring fair value measurement | Level 3 | Derivatives | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Liabilities | 0.0 |
Recurring fair value measurement | Level 3 | Payments due to vendors (earnout agreements) | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Liabilities | (187.9) |
Recurring fair value measurement | Level 3 | Liabilities in respect of put options | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Liabilities | (320.8) |
Recurring fair value measurement | Level 3 | Derivatives |  |
Disclosure of detailed information about financial instruments [line items] |  |
Assets | 0.0 |
Recurring fair value measurement | Level 3 | Derivatives | Held at fair value through profit or loss |  |
Disclosure of detailed information about financial instruments [line items] |  |
Assets | £ 0.0 |

X
- Definition The amount of a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2022-03-24 -Paragraph 93 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_a&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 28 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_28_c&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2022-03-24 -Paragraph 93 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_b&doctype=Standard -URIDate 2022-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2022-03-24 -Paragraph 93 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_e&doctype=Standard -URIDate 2022-03-24 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 23 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_23&doctype=Standard -URIDate 2022-03-24 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_Assets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of a present obligation of the entity to transfer an economic resource as a result of past events. Economic resource is a right that has the potential to produce economic benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2022-03-24 -Paragraph 93 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_a&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2022-03-24 -Paragraph 93 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_b&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2022-03-24 -Paragraph 93 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_e&doctype=Standard -URIDate 2022-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 28 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_28_d&doctype=Standard -URIDate 2022-03-24 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 23 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_23&doctype=Standard -URIDate 2022-03-24 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_Liabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Disclosure Of Fair Value Measurement Of Assets And Liabilities + References No definition available. + Details
Name: | wpp_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems
Namespace Prefix: | wpp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_MeasurementAxis=ifrs-full_RecurringFairValueMeasurementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LevelsOfFairValueHierarchyAxis=ifrs-full_Level1OfFairValueHierarchyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfFinancialAssetsAxis=ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfFinancialAssetsAxis=ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=ifrs-full_DerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfFinancialLiabilitiesAxis=ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=ifrs-full_ContingentConsiderationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=ifrs-full_WrittenPutOptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=ifrs-full_DerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LevelsOfFairValueHierarchyAxis=ifrs-full_Level2OfFairValueHierarchyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LevelsOfFairValueHierarchyAxis=ifrs-full_Level3OfFairValueHierarchyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |