Quarterly Balance Sheet
| Concept | As at 2024-09-30 | As at 2024-03-31 | 
|---|---|---|
| Quarterly balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                10,638,968,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,373,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Securities | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,235,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                917,705,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                979,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                574,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                611,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                877,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,140,954,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -12,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                17,203,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,795,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                4,938,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,792,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Land | 
                                                2,765,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,592,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Leased assets | — | — | 
| Leased assets, net | 
                                                42,028,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Construction in progress | 
                                                18,094,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                811,770,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                834,834,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                1,087,509,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,273,291,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Goodwill | 
                                                655,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                742,528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                432,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                530,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                3,423,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,967,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                2,794,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,321,399,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term loans receivable | 
                                                155,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                169,175,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                473,859,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                476,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                9,449,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,032,855,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                26,653,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,828,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Notes and accounts payable - trade | 
                                                696,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                882,196,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                1,121,414,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,891,023,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,246,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,506,930,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                4,377,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,602,501,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                1,593,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,717,610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                28,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,949,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                680,273,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                678,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                2,360,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,490,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                6,738,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,092,564,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                4,978,566,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,978,566,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                1,209,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,209,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                12,655,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,574,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -97,649,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -97,649,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                18,746,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,665,019,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                603,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                211,107,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                1,168,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,070,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                19,915,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,735,761,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                26,653,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,828,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |