v3.26.3
ACQUISITIONS - Narrative (Details)
 9 Months Ended
Oct. 05, 2026
USD ($)
$ / shares
Jun. 22, 2026
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Oct. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Business Combination [Line Items]            
Purchase consideration, net of cash acquired     $ 78,949,000 $ 0    
Goodwill     1,509,571,000     $ 1,457,976,000
Credit Agreement | Line of credit | Revolving credit facility            
Business Combination [Line Items]            
Maximum borrowing capacity     $ 1,000,000,000      
Subsequent Event | Morgan Stanley Senior Funding Inc. Credit Facility | Line of credit            
Business Combination [Line Items]            
Debt, term 364 days          
Maximum borrowing capacity $ 4,500,000,000       $ 3,500,000,000  
Subsequent Event | Credit Agreement | Line of credit | Revolving credit facility            
Business Combination [Line Items]            
Maximum borrowing capacity         $ 1,000,000,000.0  
DeSpir Logistics            
Business Combination [Line Items]            
Ownership interest   100.00%        
Purchase consideration, net of cash acquired   $ 77,800,000        
Goodwill   $ 48,800,000        
RXO, Inc. | Subsequent Event            
Business Combination [Line Items]            
Ownership interest 100.00%          
Percentage of cash consideration 0.57          
Percentage of share consideration 0.43          
RXO, Inc. | Subsequent Event | Mixed consideration            
Business Combination [Line Items]            
Total consideration (in dollars per share) | $ / shares $ 17.25          
Equity shares issued (in shares) 0.0856          
RXO, Inc. | Subsequent Event | All cash consideration            
Business Combination [Line Items]            
Total consideration (in dollars per share) | $ / shares $ 30.25          
RXO, Inc. | Subsequent Event | All-stock consideration            
Business Combination [Line Items]            
Equity shares issued (in shares) 0.1992