Notes - Segment Information
| Concept | As at 2024-03-31 | 2024-01-01 to 2024-03-31 | As at 2023-12-31 | 2023-01-01 to 2023-03-31 | 
|---|---|---|---|---|
| Notes - Segment information | ||||
| Segment information | ||||
| Share of profit (loss) of investments accounted for using equity method | — | 
                                                754,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                426,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before tax | — | 
                                                5,817,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,641,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                462,902,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                486,363,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Investments accounted for using equity method | 
                                                18,937,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |