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) | 
                                                7,398,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,398,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,398,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,792,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,398,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,341,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,341,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,341,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,198,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,341,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | 
                                                -6,429,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -2,699,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Deferred gains or losses on hedges | — | — | — | 
                                                -3,384,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,446,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | 
                                                -463,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -430,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Share of other comprehensive income of entities accounted for using equity method | — | — | — | 
                                                -63,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other comprehensive income | — | — | — | 
                                                -10,340,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -1,694,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income | — | — | — | 
                                                8,451,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                14,504,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | 
                                                8,288,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                14,360,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | 
                                                162,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                143,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |