Notes - Segment Information, Etc.
| 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 | 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 | 2023-03-01 to 2024-02-29 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||||||
| Segment information | ||||||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||||||
| Sales | ||||||||||||||||
| Revenues from external customers | 
                                                9,632,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,677,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                204,983,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,875,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                204,983,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                136,796,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                195,350,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                187,472,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                125,460,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                181,612,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,098,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                187,472,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,860,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,053,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                1,356,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                175,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,539,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,007,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,183,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,539,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,184,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,467,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,467,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,283,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                183,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |