Notes - Segment Information, Etc.
| Concept | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 
|---|---|---|---|---|---|---|
| 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 | 
                                                13,872,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,196,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,324,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,359,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,437,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,078,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                309,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                309,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                243,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                233,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||
| Depreciation | 
                                                80,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,208,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,127,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,981,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,111,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                130,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                61,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,151,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,779,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,830,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |