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Cover - shares
 6 Months Ended
Jun. 30, 2025
Aug. 11, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-42763  
Registrant Name NIQ Global Intelligence plc  
Entity Incorporation, State or Country Code L2  
Entity Address, Address Line One 200 West Jackson Boulevard  
Entity Address, City or Town Chicago  
Entity Address, State or Province IL  
Entity Address, Postal Zip Code 60606  
City Area Code 312  
Local Phone Number 583-5100  
Title of 12(b) Security Ordinary shares, nominal value $0.00001 per share  
Trading Symbol NIQ  
Security Exchange Name NYSE  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   295,000,000
Amendment Flag false  
Central Index Key 0002054696  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2025  
Current Fiscal Year End Date --12-31