Notes - Segment Information, Etc.
| Concept | 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 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                16,132,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,077,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,700,696,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,086,954,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,997,839,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,920,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,997,839,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,081,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,801,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,725,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,116,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,801,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,924,211,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,877,727,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                22,135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -47,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                380,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,049,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                297,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,718,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,042,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -37,838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||||||||
| Depreciation | 
                                                238,317,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                340,279,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                281,360,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                354,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                323,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                224,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,961,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                337,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                277,037,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                894,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                323,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,249,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,219,454,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,249,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,782,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,030,340,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                570,157,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,735,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,059,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                629,674,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                400,665,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,263,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |