Notes - Segment Information, Etc.
| Concept | 2023-06-01 to 2024-05-31 | 2023-06-01 to 2024-05-31 | 2023-06-01 to 2024-05-31 | 2023-06-01 to 2024-05-31 | 2023-06-01 to 2024-05-31 | 2023-06-01 to 2024-05-31 | 2023-06-01 to 2024-05-31 | 2023-06-01 to 2024-05-31 | 2022-06-01 to 2023-05-31 | 2022-06-01 to 2023-05-31 | 2022-06-01 to 2023-05-31 | 2022-06-01 to 2023-05-31 | 2022-06-01 to 2023-05-31 | 2022-06-01 to 2023-05-31 | 2022-06-01 to 2023-05-31 | 2022-06-01 to 2023-05-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||||||
| Segment information | ||||||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||||||
| Sales | ||||||||||||||||
| Revenues from external customers | 
                                                2,730,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,897,570,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,022,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,022,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,777,016,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,124,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,617,185,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,093,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,948,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,462,039,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,410,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,647,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,410,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,208,227,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                108,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                108,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -108,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                94,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                94,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -94,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |