v3.26.1
Cover - shares
 6 Months Ended
Jun. 30, 2026
Aug. 07, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-38063  
Entity Registrant Name QXO, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 16-1633636  
Entity Address, Address Line One Five American Lane  
Entity Address, City or Town Greenwich  
Entity Address, State or Province CT  
Entity Address, Postal Zip Code 06831  
City Area Code 888  
Local Phone Number 998-6000  
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  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   1,037,490,709
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Period Focus Q2  
Document Fiscal Year 2026  
Entity CIK 0001236275  
Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, par value $0.00001 per share  
Trading Symbol QXO  
Security Exchange Name NYSE  
Mandatory Convertible Preferred Stock    
Document Information [Line Items]    
Title of 12(b) Security Depositary Shares, each representing a 1/20th interest in a share of 5.50% Series B Mandatory Convertible Preferred Stock, par value $0.001 per share  
Trading Symbol QXO.PRB  
Security Exchange Name NYSE