Notes - Segment Information, Etc.
| Concept | 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 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||
| Segment information | ||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||
| Sales | ||||||||||
| Revenues from external customers | 
                                                48,623,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,623,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,714,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,909,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,042,289,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,722,777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,765,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,765,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                261,316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -261,316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                261,316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -31,610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |