Notes - Segment Information, Etc.
| Concept | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                7,057,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,983,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,983,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,634,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,291,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,995,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,163,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,163,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,801,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,365,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                17,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                165,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,095,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,382,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,528,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,528,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                136,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |