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 | 
                                                10,488,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,006,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                240,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                151,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                14,767,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,117,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Property, plant and equipment | 
                                                474,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                417,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Intangible assets | 
                                                1,100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,157,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investments and other assets | 
                                                1,218,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,225,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,218,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,225,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                2,793,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,800,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                17,560,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,918,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Income taxes payable | 
                                                759,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                796,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,342,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,294,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                4,807,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,618,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts payable - other | 
                                                780,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                800,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Non-current liabilities | 
                                                75,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Lease liabilities | 
                                                65,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                4,882,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,628,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Provision for bonuses | 
                                                1,914,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,726,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Provision for bonuses for directors (and other officers) | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                117,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | ||
| Capital surplus | 
                                                142,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                129,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | ||
| Retained earnings | 
                                                12,663,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,242,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -479,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -568,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                12,444,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,921,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation and translation adjustments | 
                                                -39,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                12,678,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,289,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                17,560,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,918,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |