Notes - Segment Information, Etc.
| Concept | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 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 | 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                466,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,211,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                155,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,055,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,211,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                827,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,881,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,879,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,936,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,014,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,014,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,850,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,628,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                826,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                163,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                459,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,495,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,495,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                155,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,339,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                97,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,234,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,337,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,588,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,588,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,432,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                89,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                156,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |