XML 232 R136.htm IDEA: XBRL DOCUMENT v3.25.1

Share-based payments - Additional Information (Details) £ / shares in Units, £ in Millions	12 Months Ended
	Dec. 31, 2024 performanceCriteria £ / shares	Dec. 31, 2024 performanceCriteria $ / shares	Dec. 31, 2023 £ / shares	Dec. 31, 2023 $ / shares	Dec. 31, 2022 GBP (£) £ / shares	Dec. 31, 2022 GBP (£) $ / shares	Dec. 31, 2024 employee	Dec. 31, 2024 GBP (£)	Dec. 31, 2024 shares	Dec. 31, 2024 £ / shares	Dec. 31, 2023 GBP (£)	Dec. 31, 2023 shares	Dec. 31, 2023 £ / shares	Dec. 31, 2023 $ / shares
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Number of ordinary shares under option (in shares)	28,000,000	28,000,000	25,000,000	25,000,000	23,000,000	23,000,000
Ordinary shares
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Weighted average share price (pound/usd per share)	£ 7.72		£ 8.41		£ 9.13
American depository receipts
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Weighted average share price (pound/usd per share) | $ / shares		$ 49.33		$ 52.31		$ 56.80
Bottom of Range
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Exercise price (in dollars per share)										£ 44.1
Top of Range
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Exercise price (in dollars per share)										£ 115.9
Executive Performance Share Plan (EPSP) | Bottom of Range
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	3 years	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	5 years
ESPP
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	3 years	3 years
Number of performance conditions | performanceCriteria	3	3
Percentage of total Shareholder Return on vesting period	20.00%	20.00%
Threshold performance vesting percentage	100.00%	100.00%
Bonus-related Share Awards
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	2 years	2 years
Leadership Share Awards
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	3 years	3 years
Number of key executives participating in restricted stock plans | employee							1,800
Restricted stock plans
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Fair value of shares vested | £					£ 65	$ 65		£ 136			£ 82
WSOP
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Number of ordinary shares under option (in shares)	28,000,000	28,000,000	24,000,000	24,000,000	21,000,000	21,000,000
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	2 years
Employee Stock Option
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Vesting period	10 years	10 years
WWOP
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Number of ordinary shares under option (in shares)	0	0	1,000,000	1,000,000	2,000,000	2,000,000			0			650,825
Number of ADRs under option (in shares) | shares												72,695
Exercise price (in dollars per share) | $ / shares														$ 102.67
WWOP | Ordinary shares
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Exercise price per share (in pound per share)													£ 13.15
Executive Stock Option Plan
Disclosure of terms and conditions of share-based payment arrangement [Line items]
Number of ordinary shares under option (in shares) | shares									0			0

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 exercise price of outstanding share options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_d&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ExercisePriceOfOutstandingShareOptions2019
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of share options outstanding in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_d&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-Subparagraph b
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_b_i&doctype=Standard
-URIDate 2024-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-Subparagraph b
-Clause vi
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_b_vi&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_NumberOfOutstandingShareOptions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

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 2024-01-01
-Paragraph 45
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_WeightedAverageSharePrice2019
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The exercise price of outstanding ADR options.

+ References

No definition available.

+ Details

Name:	wpp_ExercisePriceOfOutstandingADROptions
Namespace Prefix:	wpp_
Data Type:	dtr-types1:perShareItemType
Balance Type:	na
Period Type:	instant

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

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

- 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_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_ExecutivePerformanceSharePlanMember
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_RestrictedStockPlansMember
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_EmployeeStockOption1Member
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_ExecutiveStockOptionPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: