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 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                1,589,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,601,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,589,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,589,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,589,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,347,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,347,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,089,984,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,347,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,347,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Foreign currency translation adjustment | — | 
                                                781,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                617,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | 
                                                3,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -8,144,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other comprehensive income | — | 
                                                784,930,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                609,752,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income | — | 
                                                4,386,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,699,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | 
                                                4,386,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,699,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to non-controlling interests | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — |