Consolidated Statement Of Comprehensive Income
| Concept | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                10,136,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,136,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,136,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,952,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,136,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,731,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | 
                                                3,375,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,381,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Deferred gains or losses on hedges | — | — | — | 
                                                1,953,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,970,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | 
                                                -882,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -882,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other comprehensive income | — | — | — | 
                                                4,446,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,469,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income | — | — | — | 
                                                34,398,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                28,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | 
                                                34,401,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                28,202,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | 
                                                -2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |