Semi-Annual Balance Sheet
| Concept | As at 2024-09-30 | As at 2024-03-31 | 
|---|---|---|
| Semi-annual balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                113,123,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                102,072,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                32,253,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,628,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -1,877,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,021,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                415,664,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                404,359,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Property, plant and equipment | 
                                                11,015,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,886,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Land | 
                                                4,487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,552,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                1,953,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,080,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Intangible assets | 
                                                5,286,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,493,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                4,342,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,272,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                6,572,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,228,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                383,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                94,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,341,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,396,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -18,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                22,874,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,608,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                438,539,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                426,967,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Income taxes payable | 
                                                826,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                987,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                25,288,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,865,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                404,117,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                412,156,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Non-current liabilities | 
                                                26,506,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,732,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                22,998,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,600,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                2,780,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,933,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                430,623,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                420,889,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Provision for bonuses | 
                                                3,692,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,715,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax liabilities | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,471,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                15,014,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,014,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | ||
| Capital surplus | 
                                                142,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                142,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | ||
| Retained earnings | 
                                                12,198,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,962,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -786,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -805,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                26,570,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,389,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                -73,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -18,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred gains or losses on hedges | 
                                                -1,343,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,176,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                -20,144,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,530,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                7,915,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,077,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                438,539,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                426,967,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |