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 | 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, profit (loss), asset, liability, and other items for each reportable segment | ||||||||||
| Sales | ||||||||||
| Revenues from external customers | 
                                                42,519,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,193,109,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,608,567,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,321,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,713,077,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,089,037,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,305,978,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,456,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,762,037,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,851,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |