Notes - Segment Information, Etc.
| Concept | 2023-09-01 to 2024-08-31 | 2023-09-01 to 2024-08-31 | 2023-09-01 to 2024-08-31 | 2023-09-01 to 2024-08-31 | 2023-09-01 to 2024-08-31 | 2022-09-01 to 2023-08-31 | 2022-09-01 to 2023-08-31 | 2022-09-01 to 2023-08-31 | 2022-09-01 to 2023-08-31 | 2022-09-01 to 2023-08-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,293,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,705,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                82,999,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                82,999,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,264,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,264,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,119,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,144,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                -994,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                953,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                994,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                745,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                741,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -745,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||
| Depreciation | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,046,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                880,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,926,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,926,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,918,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,918,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                841,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,076,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,131,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                944,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,075,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,075,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,293,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,293,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,458,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,834,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |