Semi-Annual Balance Sheet
| Concept | As at 2023-09-30 | As at 2023-03-31 | 
|---|---|---|
| Semi-annual balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                20,458,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,055,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Securities | 
                                                229,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                521,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                429,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                506,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -12,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                37,492,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,771,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts receivable - other | 
                                                3,923,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,251,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                13,783,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,289,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Tools, furniture and fixtures | 
                                                9,930,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,732,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accumulated depreciation | 
                                                -6,143,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,721,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Tools, furniture and fixtures, net | 
                                                3,787,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,011,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Land | 
                                                1,045,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,027,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Construction in progress | 
                                                137,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                175,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Intangible assets | 
                                                2,389,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,555,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                2,389,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,555,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                14,861,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                23,923,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,862,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term loans receivable | 
                                                1,358,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,501,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                133,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                377,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                2,503,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,737,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -54,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -55,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                40,096,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,707,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                77,589,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,479,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                186,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                86,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Lease liabilities | 
                                                2,121,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,915,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                987,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                243,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                26,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                3,032,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,602,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                17,855,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,521,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts payable - other | 
                                                5,255,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,680,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Non-current liabilities | 
                                                8,808,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,866,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                3,267,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,631,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Lease liabilities | 
                                                2,172,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,973,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                920,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                888,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,798,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,775,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                26,663,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,388,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Provision for bonuses | 
                                                471,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                494,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax liabilities | 
                                                65,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Net assets | ||
| Share capital | 
                                                11,412,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,412,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | ||
| Capital surplus | ||
| Capital surplus | 
                                                11,090,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,089,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | ||
| Retained earnings | 
                                                25,533,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,470,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -1,759,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,773,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                46,276,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,199,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                2,254,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,019,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                4,396,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                50,925,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,091,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                77,589,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,479,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |