XML 444 R136.htm IDEA: XBRL DOCUMENT v3.24.1

Share-based payments - Additional Information (Details) £ / shares in Units, £ in Millions	12 Months Ended
	Dec. 31, 2023 GBP (£) shares ADRs performance_criteria number_of_employee £ / shares	Dec. 31, 2023 GBP (£) shares ADRs number_of_employee $ / shares	Dec. 31, 2022 GBP (£) £ / shares	Dec. 31, 2022 GBP (£) $ / shares	Dec. 31, 2021 GBP (£) £ / shares	Dec. 31, 2021 GBP (£) $ / shares
Ordinary shares
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Weighted average share price (pound per share) | £ / shares	£ 8.41		£ 9.13		£ 9.64
American depository receipts
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Weighted average share price (pound per share) | $ / shares		$ 52.31		$ 56.80		$ 66.44
Share purchase options
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Unrecognised compensation cost	£ 10.1		£ 11.1
Unrecognised compensation cost related to share options, weighted average period	19 months		20 months
Restricted stock plans
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Unrecognised compensation cost	£ 179.9		£ 200.7
Fair value of shares vested	£ 81.6	$ 81.6	£ 65.4	$ 65.4	£ 64.1	$ 64.1
Executive Performance Share Plan (EPSP) | Bottom of Range
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	3 years
Executive Performance Share Plan (EPSP) | Top of Range
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	5 years
ESPP
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	3 years
Number of performance conditions | performance_criteria	3
Percentage of total Shareholder Return on vesting period	20.00%
Threshold performance vesting percentage	100.00%
Performance Share Awards (PSA)
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	2 years
Leadership Share Awards
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	3 years
Number of key executives participating in restricted stock plans | number_of_employee	1,900	1,900
WSOP | Ordinary shares
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Number of ordinary shares under option (in shares) | shares	15,369,025	15,369,025
WSOP | American depository receipts
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Number of ADRs under option (in shares) | ADRs	1,772,400	1,772,400
WSOP | Bottom of Range
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Threshold period for employment participation in employee stock ownership plan	2 years
WWOP | Bottom of Range
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Threshold period for employment participation in employee stock ownership plan	2 years
WPP Worldwide Share Ownership Program
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	3 years
WPP Worldwide Share Ownership Program | Ordinary shares
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Number of ordinary shares under option (in shares) | shares	650,825	650,825
WPP Worldwide Share Ownership Program | American depository receipts
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Number of ADRs under option (in shares) | ADRs	72,695	72,695
Executive Stock Option Plan
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	3 years
Employee Stock Option
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	10 years

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

X

- Definition

The weighted average share price. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2023-01-01
-Paragraph 45
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_c&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_WeightedAverageSharePrice2019
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value of shares vested under share-based compensation plans.

+ References

No definition available.

+ Details

Name:	wpp_FairValueOfSharesVestedUnderSharebasedCompensationPlans
Namespace Prefix:	wpp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Number of key executives participating in restricted stock plans.

+ References

No definition available.

+ Details

Name:	wpp_NumberOfKeyExecutivesParticipatingInRestrictedStockPlans
Namespace Prefix:	wpp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of ADR options outstanding in a share-based payment arrangement. Each ADR represents five Ordinary Shares.

+ References

No definition available.

+ Details

Name:	wpp_NumberOfOutstandingADROptions
Namespace Prefix:	wpp_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of share and ADR options outstanding in a share/ADR-based payment arrangement as represented in ordinary shares

+ References

No definition available.

+ Details

Name:	wpp_NumberofOutstandingShareandADROptionsRepresentedInOrdinaryShares
Namespace Prefix:	wpp_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Percentage of total Shareholder Return on vesting period.

+ References

No definition available.

+ Details

Name:	wpp_PercentageOfTotalShareholderReturn
Namespace Prefix:	wpp_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-Based Payment Arrangement, Number of Performance Conditions

+ References

No definition available.

+ Details

Name:	wpp_ShareBasedPaymentArrangementNumberOfPerformanceConditions
Namespace Prefix:	wpp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-based Payments Vesting Period

+ References

No definition available.

+ Details

Name:	wpp_SharebasedPaymentsVestingPeriod
Namespace Prefix:	wpp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Threshold performance vesting percentage.

+ References

No definition available.

+ Details

Name:	wpp_ThresholdPerformanceVestingPercentage
Namespace Prefix:	wpp_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share Ownership Program is open for participation to employees continued employment in the Group.

+ References

No definition available.

+ Details

Name:	wpp_ThresholdPeriodForEmploymentParticipationInEmployeeStockOnwershipPlan
Namespace Prefix:	wpp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Unrecognized share-based payments compensation cost.

+ References

No definition available.

+ Details

Name:	wpp_UnrecognizedSharebasedPaymentsCompensationCost
Namespace Prefix:	wpp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Unrecognized Share-based Payments Compensation Cost Recognised Period

+ References

No definition available.

+ Details

Name:	wpp_UnrecognizedSharebasedPaymentsCompensationCostRecognisedPeriod
Namespace Prefix:	wpp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=ifrs-full_OrdinarySharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=wpp_AmericanDepositoryReceiptsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=wpp_SharePurchaseOptionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=wpp_RestrictedStockPlansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=wpp_ExecutivePerformanceSharePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=wpp_ESPPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=wpp_PerformanceShareAwardsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=wpp_LeadersPartnersAndHighPotentialGroupMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=wpp_WPPShareOptionPlan2015Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=wpp_WPPWorldwideShareOwnershipProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=wpp_WPPWorldwideShareOwnershipProgram1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=wpp_ExecutiveStockOptionPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=wpp_EmployeeStockOption1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: