Notes - Segment Information, Etc.
| Concept | 2023-05-16 to 2024-02-15 | 2023-05-16 to 2024-02-15 | 2023-05-16 to 2024-02-15 | 2023-05-16 to 2024-02-15 | 2023-05-16 to 2024-02-15 | 2022-05-16 to 2023-02-15 | 2022-05-16 to 2023-02-15 | 2022-05-16 to 2023-02-15 | 2022-05-16 to 2023-02-15 | 2022-05-16 to 2023-02-15 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||
| Segment information | ||||||||||
| Disclosure of sales, profit (loss), asset, liability, and other items for each reportable segment | ||||||||||
| Sales | ||||||||||
| Revenues from external customers | 
                                                71,075,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,116,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,116,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,041,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,696,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                65,557,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                65,557,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                861,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                41,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                320,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -320,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                296,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                256,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -296,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |