XML 243 R147.htm IDEA: XBRL DOCUMENT
v3.25.1

Employee benefit obligations - Weighted Average Duration of Defined Benefit Pension Obligations and Distribution of Timing of Benefit Payments (Details) £ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 GBP (£)
Disclosure of defined benefit plans [line items] |
Weighted average duration of the defined benefit obligation (years) | 7 years 6 months
within 12 months |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | £ 31
in 2026 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 30
in 2027 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 30
in 2028 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 28
in 2029 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 30
in the next five years |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | £ 144
North America |
Disclosure of defined benefit plans [line items] |
Weighted average duration of the defined benefit obligation (years) | 6 years 9 months 18 days
North America | within 12 months |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | £ 19
North America | in 2026 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 19
North America | in 2027 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 19
North America | in 2028 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 16
North America | in 2029 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 18
North America | in the next five years |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | £ 83
United Kingdom |
Disclosure of defined benefit plans [line items] |
Weighted average duration of the defined benefit obligation (years) | 5 years 4 months 24 days
United Kingdom | within 12 months |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | £ 1
United Kingdom | in 2026 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 1
United Kingdom | in 2027 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 1
United Kingdom | in 2028 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 1
United Kingdom | in 2029 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 1
United Kingdom | in the next five years |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | £ 2
Western Continental Europe |
Disclosure of defined benefit plans [line items] |
Weighted average duration of the defined benefit obligation (years) | 10 years 3 months 18 days
Western Continental Europe | within 12 months |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | £ 6
Western Continental Europe | in 2026 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 5
Western Continental Europe | in 2027 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 6
Western Continental Europe | in 2028 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 7
Western Continental Europe | in 2029 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 6
Western Continental Europe | in the next five years |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | £ 31
Other |
Disclosure of defined benefit plans [line items] |
Weighted average duration of the defined benefit obligation (years) | 5 years 6 months
Other | within 12 months |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | £ 5
Other | in 2026 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 5
Other | in 2027 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 4
Other | in 2028 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 4
Other | in 2029 |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | 5
Other | in the next five years |
Disclosure of defined benefit plans [line items] |
Expected benefit payments | £ 28

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_DisclosureOfDefinedBenefitPlansLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expected benefit payments. + References No definition available. + Details
Name: | wpp_ExpectedBenefitPayments
Namespace Prefix: | wpp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Weighted average duration of defined benefit obligations. + References No definition available. + Details
Name: | wpp_WeightedAverageDurationOfDefinedBenefitObligations
Namespace Prefix: | wpp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=srt_NorthAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_GB
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=wpp_WesternContinentalEuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=wpp_AsiaPacificLatinAmericaAfricaAndMiddleEastAndCentralAndEasternEuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |