Quarter Period Consolidated Statement Of Comprehensive Income
| Concept | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of comprehensive income | ||||||||||||||
| Statement of comprehensive income | ||||||||||||||
| Profit (loss) | 
                                                -1,664,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,932,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,664,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,664,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,664,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,661,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,992,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,992,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,992,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,992,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||||||
| Valuation difference on available-for-sale securities | — | 
                                                3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                7,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Foreign currency translation adjustment | — | 
                                                1,226,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                501,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Share of other comprehensive income of entities accounted for using equity method | — | 
                                                54,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                28,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Other comprehensive income | — | 
                                                1,283,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                533,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Comprehensive income | — | 
                                                5,216,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                6,194,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||||||
| Comprehensive income attributable to owners of parent | — | 
                                                5,071,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                6,132,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | 
                                                145,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                61,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — |