Year To Quarter End Consolidated Statement Of Comprehensive Income
| 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 | 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 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Year to quarter end consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                1,526,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,416,607,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,526,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,526,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,526,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,126,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,126,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,975,192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,126,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,126,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | 
                                                55,758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                60,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Foreign currency translation adjustment | — | 
                                                701,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                515,829,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | 
                                                141,136,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                340,651,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Share of other comprehensive income of entities accounted for using equity method | — | 
                                                -5,782,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -1,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other comprehensive income | — | 
                                                892,571,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                915,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income | — | 
                                                3,309,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,890,654,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | 
                                                2,822,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,505,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to non-controlling interests | — | 
                                                486,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                385,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — |