v3.25.0.1
Cover Page - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Feb. 20, 2025
Jun. 30, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-37403    
Entity Registrant Name Flutter Entertainment plc    
Entity Incorporation, State or Country Code L2    
Entity Tax Identification Number 98-1782229    
Entity Address, Address Line One 300 Park Ave South    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10010    
City Area Code 646    
Local Phone Number 930-0950    
Title of 12(b) Security Ordinary Shares, nominal value of €0.09 per share    
Trading Symbol FLUT    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 32,380
Entity Common Stock, Shares Outstanding   177,470,787  
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the Registrant’s Proxy Statement relating to the 2025 Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual Report on Form 10-K.
   
Entity Central Index Key 0001635327    
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY