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 | 
                                                98,139,968,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,179,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,270,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,539,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,319,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,330,860,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,723,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                93,818,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,017,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,501,190,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                95,835,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,593,128,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                218,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                422,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                131,367,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                640,714,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,669,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                335,543,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                514,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                257,720,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                850,025,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |