v3.25.4
Cover Page
 12 Months Ended
Dec. 31, 2025
shares
Document Information [Line Items]  
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2025
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Trading Symbol PSO
Entity Registrant Name PEARSON PLC
Entity Central Index Key 0000938323
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer Yes
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Entity Emerging Growth Company false
Entity Shell Company false
Entity Common Stock, Shares Outstanding 635,814,880
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Entity Voluntary Filers No
Document Accounting Standard International Financial Reporting Standards
Entity Incorporation, State or Country Code X0
Title of 12(b) Security Ordinary Shares
Security Exchange Name NYSE
Entity Address, Country GB
Entity Interactive Data Current Yes
ICFR Auditor Attestation Flag true
Entity Address, Address Line One 80 Strand
Entity Address, City or Town London
Entity Address, Postal Zip Code WC2R 0RL
Auditor Name Ernst & Young LLP
Auditor Firm ID 1438
Auditor Location London, United Kingdom
Entity File Number 1-16055
Document Financial Statement Error Correction [Flag] false
Contact Personnel Email Address companysecretary@pearson.com
Business Contact [member]  
Document Information [Line Items]  
Entity Address, Country GB
Entity Address, Address Line One 80 Strand
Entity Address, City or Town London
Entity Address, Postal Zip Code WC2R 0RL
Contact Personnel Name Graeme Baldwin
City Area Code 20
Local Phone Number 7010 2000
American Depositary Shares [member]  
Document Information [Line Items]  
Title of 12(b) Security American Depositary Shares
Security Exchange Name NYSE
No Trading Symbol Flag true