v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Property and Equipment (Details) - USD ($)
$ in Millions
May 31, 2026
May 31, 2025
Property, Plant, and Equipment [Line Items]    
Net property and equipment $ 2,923 $ 2,780
Vehicles and trailers    
Property, Plant, and Equipment [Line Items]    
Net property and equipment 1,582 1,553
Facilities and other    
Property, Plant, and Equipment [Line Items]    
Net property and equipment 956 890
Ground support and dock equipment    
Property, Plant, and Equipment [Line Items]    
Net property and equipment 233 255
Ground support and dock equipment    
Property, Plant, and Equipment [Line Items]    
Net property and equipment $ 152 $ 82
Minimum | Vehicles and trailers    
Property, Plant, and Equipment [Line Items]    
Range 3 years  
Minimum | Facilities and other    
Property, Plant, and Equipment [Line Items]    
Range 10 years  
Minimum | Ground support and dock equipment    
Property, Plant, and Equipment [Line Items]    
Range 3 years  
Minimum | Ground support and dock equipment    
Property, Plant, and Equipment [Line Items]    
Range 3 years  
Maximum | Vehicles and trailers    
Property, Plant, and Equipment [Line Items]    
Range 15 years  
Maximum | Facilities and other    
Property, Plant, and Equipment [Line Items]    
Range 33 years  
Maximum | Ground support and dock equipment    
Property, Plant, and Equipment [Line Items]    
Range 15 years  
Maximum | Ground support and dock equipment    
Property, Plant, and Equipment [Line Items]    
Range 7 years