Notes - Segment Information, Etc.
| 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 | 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 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||
| Segment information | ||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||
| Sales | ||||||||||||
| Revenues from external customers | 
                                                7,058,175,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,371,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,282,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,952,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                239,638,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,818,793,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                174,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,212,185,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,950,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,745,002,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                17,297,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,951,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                76,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,869,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |