v3.26.1
GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Goodwill (Details) - USD ($)
$ in Millions
12 Months Ended
May 31, 2026
May 31, 2025
May 31, 2024
Goodwill [Line Items]      
Goodwill, gross     $ 8,501
Accumulated impairment charges $ (2,078)   (2,078)
Goodwill 6,733 $ 6,603 6,423
Goodwill [Roll Forward]      
Beginning balance 6,603 6,423  
Goodwill acquired 5 38  
Other 125 142  
Ending balance 6,733 6,603  
Corporate, Other, and Eliminations      
Goodwill [Line Items]      
Goodwill, gross     1,961
Accumulated impairment charges (1,945)   (1,945)
Goodwill 16 16 16
Goodwill [Roll Forward]      
Beginning balance 16 16  
Goodwill acquired 0 0  
Other 0 0  
Ending balance 16 16  
Federal Express
Segment | Operating Segments      
Goodwill [Line Items]      
Goodwill, gross     5,769
Accumulated impairment charges 0   0
Goodwill 6,079 5,949 5,769
Goodwill [Roll Forward]      
Beginning balance 5,949 5,769  
Goodwill acquired 5 38  
Other 125 142  
Ending balance 6,079 5,949  
FedEx Freight
Segment | Operating Segments      
Goodwill [Line Items]      
Goodwill, gross     771
Accumulated impairment charges (133)   (133)
Goodwill 638 638 $ 638
Goodwill [Roll Forward]      
Beginning balance 638 638  
Goodwill acquired 0 0  
Other 0 0  
Ending balance $ 638 $ 638