Notes - Goodwill And Intangible Assets
| Concept | As at 2024-03-31 | As at 2023-03-31 | 
|---|---|---|
| Notes - Goodwill and intangible assets | ||
| Components of goodwill and intangible assets | ||
| Acquisition cost | ||
| Software | 
                                                2,950,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,931,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                214,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accumulated amortization and impairment | ||
| Software | 
                                                -2,252,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,305,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                -21,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -17,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Carrying amount | ||
| Software | 
                                                697,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                625,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                193,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |