Notes - Segment Information, Etc.
| Concept | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||
| Segment information | ||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||
| Sales | ||||||||||||
| Revenues from external customers | 
                                                30,645,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,375,953,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,644,611,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,962,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,306,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,222,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,238,771,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,284,921,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,051,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,970,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,886,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                444,447,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,434,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                439,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,434,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                550,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,146,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,364,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,257,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,146,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                524,141,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |