Balance Sheet
| Concept | As at 2023-09-30 | As at 2023-03-31 | 
|---|---|---|
| Balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Non-current assets | 
                                                44,147,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,452,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | 
                                                15,516,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,049,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Land | 
                                                5,789,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,990,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other, net | 
                                                1,077,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,135,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Intangible assets | 
                                                736,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                797,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                27,893,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,605,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investment securities | 
                                                17,574,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,246,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                2,898,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,883,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                7,420,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,476,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other assets | — | — | 
| Current assets | ||
| Cash and deposits | 
                                                34,757,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,010,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Securities | 
                                                13,499,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,499,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts receivable - trade | 
                                                31,268,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,806,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                17,982,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,644,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                1,660,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,453,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                8,259,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,307,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                112,253,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,379,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                4,825,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Own-used assets | ||
| Intangible assets | ||
| Investments and other assets | ||
| Other assets | ||
| Assets | 
                                                156,400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                158,831,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | ||
| Non-current liabilities | 
                                                4,814,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,798,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                676,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                664,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                24,280,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,258,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                1,096,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                501,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                10,660,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,316,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                29,094,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,056,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                119,378,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,930,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                7,229,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,229,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                1,871,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,871,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                120,321,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                118,943,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -10,043,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                7,927,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,844,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation difference on available-for-sale securities | 
                                                7,760,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,655,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                127,305,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                126,775,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                156,400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                158,831,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Provisions | ||
| Provision for bonuses | 
                                                2,066,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,313,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Other liabilities | — | — | 
| Other liabilities | — | — | 
| Net assets | ||
| Shareholders' equity | ||
| Capital surplus | ||
| Retained earnings | ||
| Valuation and translation adjustments |