XML 154 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Cover Page
 12 Months Ended
Dec. 31, 2019
shares
Entity Information [Line Items]  
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2019
Document Fiscal Year Focus 2019
Document Fiscal Period Focus FY
Entity Registrant Name WPP plc
Entity Central Index Key 0000806968
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 1,328,167,813
Entity Address, Country GB
Entity Voluntary Filers No
Entity Interactive Data Current Yes
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Entity Accounting Standard International Financial Reporting Standards as issued by the International Accounting Standards Board
Ordinary shares [member]  
Entity Information [Line Items]  
Trading Symbol WPP
Title of 12(b) Security Ordinary Shares of 10p each
Security Exchange Name NONE
American depositary shares [member]  
Entity Information [Line Items]  
Trading Symbol WPP
Title of 12(b) Security American Depositary Shares, each representing five Ordinary Shares (ADSs)
Security Exchange Name NYSE