Notes - Inventories
| Concept | 
                                    
                                        As at 2025-02-28  | 
                            
                                
                                    
                                        As at 2024-02-29  | 
                            
                        
|---|---|---|
| Notes - Inventories | ||
| Components of inventories | ||
| Merchandise and finished goods | 
                                        
                                             
                                                11,943,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                12,664,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                            
| Work in process | 
                                        
                                             
                                                251,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                147,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                            
| Inventories | 
                                        
                                             
                                                12,662,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                15,193,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     |