Quarterly Balance Sheet
| Concept | As at 2023-09-30 | As at 2023-03-31 | 
|---|---|---|
| Quarterly balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                12,999,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,870,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                1,729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,670,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                1,281,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                888,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                1,485,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,583,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                521,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,470,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                36,122,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,013,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                23,476,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,299,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Land | 
                                                4,679,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,679,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Construction in progress | 
                                                151,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                466,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                1,144,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,187,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                1,302,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,247,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Other | 
                                                1,302,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,247,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                23,758,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,473,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                21,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,423,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term loans receivable | 
                                                150,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                156,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                2,194,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,863,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -57,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -57,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                48,537,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,020,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                84,660,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                82,033,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Notes and accounts payable - trade | 
                                                10,171,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,882,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Short-term borrowings | 
                                                4,236,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,314,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                469,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                469,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                3,869,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,924,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                22,537,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,595,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                1,530,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,045,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                121,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                107,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                6,376,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,226,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                28,913,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,822,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                4,753,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,753,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                4,212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,207,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                33,051,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,734,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -1,098,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,102,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                40,919,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,592,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                5,410,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,273,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                8,965,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,601,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                55,747,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,211,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                84,660,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                82,033,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |