XML 251 R155.htm IDEA: XBRL DOCUMENT
v3.25.1

Financial risk management objectives and policies - Analysis of Fixed and Floating Rate Debt by Currency (Details) - GBP (£) £ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
US Dollar bonds | Fixed interest rate |  |
Disclosure of detailed information about financial instruments [line items] |  |
Borrowings and cross currency swaps | £ 1,026 | £ 1,472
Fixed rate | 5.24% | 4.62%
Period (months) | 91 months | 66 months
Sterling bonds | Fixed interest rate |  |
Disclosure of detailed information about financial instruments [line items] |  |
Borrowings and cross currency swaps | £ 1,501 | £ 1,094
Fixed rate | 3.53% | 2.97%
Period (months) | 83 months | 130 months
Eurobonds | Fixed interest rate |  |
Disclosure of detailed information about financial instruments [line items] |  |
Borrowings and cross currency swaps | £ 1,736 | £ 1,820
Fixed rate | 2.12% | 2.12%
Period (months) | 36 months | 48 months
Eurobonds | Floating interest rate |  |
Disclosure of detailed information about financial instruments [line items] |  |
Borrowings and cross currency swaps | £ 4,263 | £ 4,386

X
- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_BorrowingsInterestRate
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Borrowings And Cross Currency Swaps + References No definition available. + Details
Name: | wpp_BorrowingsAndCrossCurrencySwaps
Namespace Prefix: | wpp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Average debt financing period. + References No definition available. + Details
Name: | wpp_DebtPeriod
Namespace Prefix: | wpp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=wpp_USDollarBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FixedInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=wpp_SterlingBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=wpp_EurobondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FloatingInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |