v3.26.1
LONG-TERM DEBT - Narrative (Details)
12 Months Ended
May 31, 2026
USD ($)
Jan. 15, 2026
USD ($)
qtr
May 31, 2026
USD ($)
Feb. 05, 2026
USD ($)
May 31, 2025
USD ($)
Debt Instrument [Line Items]          
Distribution to parent $ 4,100,000,000        
Total 4,264,000,000   $ 4,264,000,000    
Long-term debt, fair value $ 4,200,000,000   $ 4,200,000,000    
Weighted-average interest rate 4.79%   4.79%    
Senior Notes          
Debt Instrument [Line Items]          
Total $ 4,264,000,000   $ 4,264,000,000   $ 0
Line of Credit          
Debt Instrument [Line Items]          
Debt instrument, term   5 days      
Line of Credit | Fiscal quarters prior to Spin-Off          
Debt Instrument [Line Items]          
Debt instrument, covenant, measurement period   7 months      
Debt instrument, covenant, leverage ratio   3.75      
Line of Credit | Fiscal quarters after Spin-Off          
Debt Instrument [Line Items]          
Debt instrument, covenant, measurement period   7 months      
Debt instrument, covenant, leverage ratio   3.50      
Line of Credit | After an Acquisition          
Debt Instrument [Line Items]          
Debt instrument, covenant, leverage ratio   4.00      
Debt instrument, covenant, acquisition, aggregate cash consideration   $ 500,000,000      
Debt instrument, covenant, consecutive quarters with no elections | qtr   2      
Debt instrument, covenant, quarters following consummation of acquisition | qtr   3      
Line of Credit | Minimum | Base Rate          
Debt Instrument [Line Items]          
Variable rate   0.00%      
Line of Credit | Minimum | Benchmark Rate Borrowings          
Debt Instrument [Line Items]          
Variable rate   1.00%      
Line of Credit | Maximum | Base Rate          
Debt Instrument [Line Items]          
Variable rate   0.75%      
Line of Credit | Maximum | Benchmark Rate Borrowings          
Debt Instrument [Line Items]          
Variable rate   1.75%      
Senior Unsecured Notes | Senior Notes          
Debt Instrument [Line Items]          
Debt instrument, face amount 3,700,000,000   3,700,000,000 $ 3,700,000,000  
Delayed Draw Term Loan Agreement | Line of Credit          
Debt Instrument [Line Items]          
Total 599,000,000   599,000,000   $ 0
Delayed Draw Term Loan Agreement | Line of Credit | Delayed Draw Term Loan          
Debt Instrument [Line Items]          
Debt instrument, face amount   $ 600,000,000      
Proceeds from long-term lines of credit     600,000,000    
Total 600,000,000   600,000,000    
Debt instrument, term   3 years      
FedEx Freight Revolving Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Total $ 0   $ 0    
Debt instrument, term   5 years      
Line of credit facility, maximum borrowing capacity   $ 1,200,000,000      
FedEx Freight Revolving Credit Facility | Line of Credit | Minimum          
Debt Instrument [Line Items]          
Unutilized commitment fee   0.09%      
FedEx Freight Revolving Credit Facility | Line of Credit | Maximum          
Debt Instrument [Line Items]          
Unutilized commitment fee   0.25%      
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