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 | 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, profit (loss), asset, liability, and other items for each reportable segment | ||||||||||
| Sales | ||||||||||
| Revenues from external customers | 
                                                9,177,944,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,213,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,035,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,213,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,689,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,367,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,367,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,677,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                37,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -90,191,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,191,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,773,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                101,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -101,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||
| Depreciation | 
                                                307,838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                355,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                343,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                337,309,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                352,012,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,702,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                303,614,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments in entities accounted for using equity method | 
                                                469,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                475,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                475,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                406,318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                406,318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                406,318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                1,098,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,938,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,130,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,842,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,122,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                831,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                841,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,360,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                804,408,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |