v3.26.1
DESCRIPTION OF BUSINESS SEGMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES- Additional Information (Details)
€ / shares in Units, $ / shares in Units, € in Millions, shares in Millions, $ in Millions
 1 Months Ended 3 Months Ended 9 Months Ended 21 Months Ended
Feb. 09, 2026
USD ($)
Feb. 05, 2026
USD ($)
Jan. 31, 2026
Jan. 31, 2026
USD ($)
Jan. 31, 2026
numberOfMember
Jan. 31, 2026
employee
Feb. 28, 2026
USD ($)
swap
location
$ / shares
shares
Feb. 28, 2025
USD ($)
$ / shares
shares
Feb. 28, 2026
USD ($)
swap
type
location
$ / shares
shares
Feb. 28, 2025
USD ($)
$ / shares
shares
Feb. 28, 2026
USD ($)
swap
location
employee
Feb. 28, 2026
EUR (€)
swap
location
Feb. 09, 2026
€ / shares
Aug. 07, 2025
$ / shares
May 31, 2025
USD ($)
May 31, 2025
EUR (€)
May 31, 2024
USD ($)
Mar. 31, 2024
USD ($)
Organization Consolidation And Presentation Of Financial Statements [Line Items]                                    
Gross contract assets related to in-transit shipments             $ 692   $ 692   $ 692       $ 673      
Contract assets net of deferred unearned revenue             570   570   570       526      
Contract liabilities related to advance payments from customers             22   $ 22   $ 22       23      
Types of equity based compensation | type                 4                  
Stock-based compensation             38 $ 31 $ 136 $ 116                
FedEx Freight spin-off costs             195 23 443 23                
FedEx Freight spin-off costs, net of tax             $ 147 $ 17 $ 351 $ 17                
FedEx Freight spin-off costs (in dollar per share) | $ / shares             $ 0.61 $ 0.07 $ 1.47 $ 0.07                
Separation and other costs, net of payments                 $ 129 $ 4                
Fiscal year change             $ 8   20 0                
Fiscal year change, net of tax             $ 6   $ 15                  
Fiscal year change (in dollar per share) | $ / shares             $ 0.02   $ 0.06                  
Business optimization costs             $ 65 $ 179 $ 162 633                
Business optimization costs, net of tax             $ 49 $ 137 $ 126 $ 484                
Business optimization costs (in dollars per share) | $ / shares             $ 0.21 $ 0.56 $ 0.53 $ 1.98                
Consultation process expected occur period                     18 months              
Restructuring costs             $ 2 $ 44 $ 11 $ 220 $ 250              
Number of employees affected in workforce reduction plan | employee                     1,400              
Expected savings                     $ 150              
Proceeds from issuance of unsecured debt   $ 3,700                                
Denominated debt as a net investment hedge | €                       € 843       € 506    
Derivative, recognized loss (gain)             (25) $ (1) (23) $ 6                
Fair value of swaps classified as asset             11   11   11       13      
Fair value of swaps classified as liabilities             126   126   126       108      
Equity securities             551   551   551       506      
Debt securities             $ 211   $ 211   211       70      
Shares repurchased (in shares) | shares             0.0 1.8 3.3 8.9                
Payments for repurchase of common stock                 $ 796 $ 2,517                
Cash dividend payable (in dollars per share) | $ / shares                           $ 1.45        
Accelerated Share Repurchase Agreement                                    
Organization Consolidation And Presentation Of Financial Statements [Line Items]                                    
Stock repurchase program amount authorized to be repurchased                                   $ 5,000
Shares repurchased (in shares) | shares               1.8 3.3 8.9                
Treasury stock acquired, average cost (in dollars per share) | $ / shares               $ 276.26 $ 233.07 $ 281.74                
Payments for repurchase of common stock               $ 497 $ 776 $ 2,500                
Stock repurchase program amount authorized to be repurchased, remaining available amount             $ 1,300   1,300   1,300              
InPost                                    
Organization Consolidation And Presentation Of Financial Statements [Line Items]                                    
Offer price (in euros per share) | € / shares                         € 15.60          
FedEx holding (as a percent)                         37.00%          
Investment value $ 2,600                                  
Supply Chain Finance                                    
Organization Consolidation And Presentation Of Financial Statements [Line Items]                                    
Outstanding payment obligations             $ 114 87 $ 114 87 $ 114       $ 71   $ 94  
Currency Swap                                    
Organization Consolidation And Presentation Of Financial Statements [Line Items]                                    
Number of swaps outstanding | swap             4   4   4 4            
Recognized loss (gain)             $ (31) 3 $ (20) 13                
Network 2.0 Optimization                                    
Organization Consolidation And Presentation Of Financial Statements [Line Items]                                    
Number of business locations | location             390   390   390 390            
International Operational Transformation Programs                                    
Organization Consolidation And Presentation Of Financial Statements [Line Items]                                    
Business optimization costs             $ 16                      
Business optimization, expected occur period     18 months                              
Number of operational team members         5,000 800                        
International Operational Transformation Programs | Minimum                                    
Organization Consolidation And Presentation Of Financial Statements [Line Items]                                    
Exit costs       $ 225                            
International Operational Transformation Programs | Maximum                                    
Organization Consolidation And Presentation Of Financial Statements [Line Items]                                    
Exit costs       $ 325                            
Separation and other costs                                    
Organization Consolidation And Presentation Of Financial Statements [Line Items]                                    
FedEx Freight spin-off costs             194 5 $ 440 5                
Other, net                                    
Organization Consolidation And Presentation Of Financial Statements [Line Items]                                    
FedEx Freight spin-off costs             $ 1 $ 18 $ 3 $ 18