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 | 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 | 
                                                1,777,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,375,655,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,605,192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,515,315,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,273,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,824,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,949,506,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,164,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,105,190,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,285,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                35,425,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                479,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,378,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,644,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,206,673,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                485,192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,850,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,833,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,272,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |