Year To Quarter End Consolidated Statement Of Comprehensive Income
| Concept | 2023-04-01 to 2023-12-31 | 2022-04-01 to 2022-12-31 | 
|---|---|---|
| Year to quarter end consolidated statement of comprehensive income | ||
| Statement of comprehensive income | ||
| Profit (loss) | 
                                                4,444,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,081,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                2,126,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -993,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                -34,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -32,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                2,092,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,026,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                6,536,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,055,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                6,536,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,055,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |