Semi-Annual 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 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                5,685,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,383,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,383,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,383,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,383,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,671,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,547,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,671,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,671,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,671,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | 
                                                -423,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,929,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | 
                                                305,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                89,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other comprehensive income | 
                                                -117,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,019,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income | 
                                                5,567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                7,567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | 
                                                5,567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                7,567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — |