Semi-Annual Consolidated Statement Of Comprehensive Income
| Concept | 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 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                6,652,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,652,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,569,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,652,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,652,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,924,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | 
                                                174,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -75,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Foreign currency translation adjustment | — | — | 
                                                994,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                232,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | 
                                                929,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other comprehensive income | — | — | 
                                                2,097,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                271,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income | — | — | 
                                                9,667,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                6,196,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | 
                                                9,625,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                6,129,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | 
                                                41,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                67,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — |