Notes - Segment Information, Etc.
| Concept | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                13,459,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,766,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,693,124,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,459,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,619,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                881,708,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,501,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,501,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                102,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,573,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,915,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -102,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -42,052,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,052,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |