Consolidated Statement Of Comprehensive Income
| Concept | 2024-01-01 to 2024-06-30 | 2023-01-01 to 2023-06-30 | 
|---|---|---|
| Consolidated statement of comprehensive income | ||
| Statement of comprehensive income | ||
| Profit (loss) | 
                                                2,078,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,812,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                3,782,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,274,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                33,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -76,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                3,782,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,274,141,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                5,860,989,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,086,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                5,860,982,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,086,929,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | 
                                                7,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |