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 | 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 | 
                                                892,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                99,469,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,379,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,527,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                356,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,854,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,650,208,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                707,417,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,228,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                356,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,695,604,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,808,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                210,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,383,895,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                40,689,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                93,451,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,582,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |