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 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 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 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 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 and profit (loss) for each reportable segment | ||||||||||||||||
| Sales | ||||||||||||||||
| Revenues from external customers | 
                                                1,797,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,888,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,819,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,819,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,202,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,246,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,922,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,973,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,967,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,782,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,822,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,922,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,376,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                460,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                152,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,546,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,546,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,640,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                179,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                113,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                157,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                182,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                179,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                792,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,576,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,576,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,265,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |