XML 244 R1.htm IDEA: XBRL DOCUMENT v3.23.1
Document and Entity Information - shares
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Document Information [Line Items]      
Document Type 20-F    
Document Registration Statement false    
Document Annual Report true    
Document Transition Report false    
Document Shell Company Report false    
Document Period End Date Dec. 31, 2022    
Entity File Number 001-41524    
Entity Registrant Name RENTOKIL INITIAL PLC /FI    
Entity Incorporation, State or Country Code X0    
Entity Address, Address Line One Compass House    
Entity Address, Address Line Two Manor Royal    
Entity Address, City or Town Crawley    
Entity Address, Country GB    
Entity Address, Postal Zip Code RH10 9PY    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding 2,520,039,885    
Entity Central Index Key 0000930157    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Document Accounting Standard International Financial Reporting Standards    
Amendment Flag false    
ICFR Auditor Attestation Flag false    
Auditor Name PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP KPMG LLP
Auditor Location London, United Kingdom London, United Kingdom London, United Kingdom
Auditor Firm ID 876 876 1118
Business Contact [Member]      
Document Information [Line Items]      
Entity Address, Address Line One Compass House    
Entity Address, Address Line Two Manor Royal    
Entity Address, City or Town Crawley    
Entity Address, Country GB    
Entity Address, Postal Zip Code RH10 9PY    
Contact Personnel Name Catherine Stead    
City Area Code (0)1293    
Local Phone Number 858000    
Contact Personnel Email Address secretariat@rentokil-initial.com    
Ordinary shares      
Document Information [Line Items]      
Title of 12(b) Security Ordinary Shares of £0.01 each    
No Trading Symbol Flag true    
Security Exchange Name NYSE    
American Depositary Shares [Member]      
Document Information [Line Items]      
Title of 12(b) Security American Depositary Shares, each representing five Ordinary Shares of £0.01 each    
Trading Symbol RTO    
Security Exchange Name NYSE