Notes - Segment Information, Etc.
| Concept | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2022-09-01 to 2023-02-28 | 2022-09-01 to 2023-02-28 | 2022-09-01 to 2023-02-28 | 2022-09-01 to 2023-02-28 | 2022-09-01 to 2023-02-28 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||
| Segment information | ||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||
| Sales | ||||||||||
| Revenues from external customers | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,018,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,938,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,018,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,079,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,247,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,309,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                -447,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                447,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                442,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -349,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                349,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                344,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |