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 | 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 | 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 | 
                                                7,058,175,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,371,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,282,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,952,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                239,638,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,818,793,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                174,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,212,185,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,950,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,745,002,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                17,297,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,951,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                76,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,869,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||||
| Depreciation | 
                                                238,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                495,808,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                764,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                414,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                631,171,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                194,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                403,320,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                770,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                274,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,350,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                166,525,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                665,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                98,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,620,534,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                776,449,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |