Notes - Goodwill And Intangible Assets
| Concept | As at 2025-02-28 | As at 2024-02-29 | 
|---|---|---|
| Notes - Goodwill and intangible assets | ||
| Components of goodwill and intangible assets | ||
| Acquisition cost | ||
| Goodwill | 
                                                38,354,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,354,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Software | 
                                                843,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                623,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                79,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accumulated amortization and impairment | ||
| Goodwill | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Software | 
                                                -370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -272,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                -10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Carrying amount | ||
| Goodwill | 
                                                38,354,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,354,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Software | 
                                                473,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                351,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                69,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |