v3.26.3
LONG-TERM DEBT - Narrative (Details)
Sep. 30, 2026
USD ($)
May 31, 2026
USD ($)
Jan. 15, 2026
USD ($)
Feb. 05, 2026
USD ($)
Debt Instrument [Line Items]        
Distribution to parent   $ 4,100,000,000    
Long-term debt, exclusive of finance leases $ 4,200,000,000 4,300,000,000    
Long term debt including current maturities fair value $ 4,000,000,000.0 4,200,000,000    
Long-term debt weighted-average interest rate 4.82%      
Senior Notes        
Debt Instrument [Line Items]        
Long-term debt, exclusive of finance leases $ 4,166,000,000 4,264,000,000    
Line of Credit        
Debt Instrument [Line Items]        
Debt instrument, covenant, leverage ratio 2.61      
Line of Credit | Period One        
Debt Instrument [Line Items]        
Debt instrument, covenant, leverage ratio     3.75  
Line of Credit | Period Two        
Debt Instrument [Line Items]        
Debt instrument, covenant, leverage ratio     3.50  
Senior Unsecured Notes | Senior Notes        
Debt Instrument [Line Items]        
Debt instrument, face amount       $ 3,700,000,000
Delayed Draw Term Loan Agreement | Line of Credit        
Debt Instrument [Line Items]        
Long-term debt, exclusive of finance leases $ 499,000,000 $ 599,000,000    
Delayed Draw Term Loan Agreement | Line of Credit | Delayed Draw Term Loan        
Debt Instrument [Line Items]        
Debt instrument, face amount     $ 600,000,000  
Debt instrument, term     3 years  
Long-term debt, exclusive of finance leases 500,000,000      
FedEx Freight Revolving Credit Facility | Line of Credit        
Debt Instrument [Line Items]        
Debt instrument, term     5 years  
Long-term debt, exclusive of finance leases $ 0      
Line of credit facility, maximum borrowing capacity     $ 1,200,000,000  
FedEx Freight Revolving Credit Facility | Line of Credit | Letter of Credit        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity     $ 50,000,000