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 | 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, profit (loss), asset, liability, and other items for each reportable segment | ||||||||||||
| Sales | ||||||||||||
| Revenues from external customers | 
                                                6,960,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,604,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                135,701,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                135,701,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,136,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                154,202,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                92,583,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,956,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                154,202,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,663,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                49,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -98,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                98,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                164,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                57,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,333,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||||
| Depreciation | 
                                                1,046,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                464,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                775,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,316,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,851,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,802,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                924,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,654,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                852,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                857,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                3,354,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                448,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                649,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,505,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,056,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,331,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,877,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,038,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                453,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |