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 | 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 | 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 | 
                                                12,409,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,381,090,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,348,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,967,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,409,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,349,557,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,818,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,397,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,397,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,346,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,002,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,601,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,997,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |