Notes - Segment Information, Etc.
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 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 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                333,523,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                577,023,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                577,023,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                243,499,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                548,135,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                548,135,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                310,865,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                237,269,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                63,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,663,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,599,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,663,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                138,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,361,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||
| Depreciation | 
                                                4,481,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,347,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,347,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,866,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,141,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,141,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,175,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,966,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments in entities accounted for using equity method | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,363,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,363,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,363,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Increase in property, plant and equipment and intangible assets | 
                                                7,815,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,479,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,479,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,664,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,926,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,926,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,491,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,434,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |