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 | 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 | 
                                                3,461,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,950,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,489,227,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,950,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,000,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,516,472,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,373,676,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,730,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,412,048,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,516,472,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                907,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,451,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                261,741,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,451,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                281,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                239,834,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                261,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                874,572,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,375,528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,375,528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||||
| Depreciation | 
                                                639,318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,707,291,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,962,089,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,819,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                112,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                105,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,822,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                107,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,041,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                571,152,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,720,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                102,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                797,659,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,580,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,684,164,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,648,505,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                67,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                98,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,941,506,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,338,022,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                578,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,934,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,413,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |