Year To Quarter End Consolidated Statement Of Comprehensive Income
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Year to quarter end consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                16,449,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,449,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,449,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,945,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,449,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,483,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,025,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,483,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,483,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,483,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | 
                                                -926,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,460,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Foreign currency translation adjustment | — | — | — | 
                                                -57,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | 
                                                1,277,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,198,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other comprehensive income | — | — | — | 
                                                292,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,658,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income | — | — | — | 
                                                14,237,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | 
                                                14,237,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — |