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 | 
                                                4,089,037,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,305,978,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,456,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,762,037,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,851,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,059,612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,858,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,483,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,917,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,565,991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |