Semi-Annual Balance Sheet
| Concept | As at 2023-12-31 | As at 2023-03-31 | 
|---|---|---|
| Semi-annual balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                5,660,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,353,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,312,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,430,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -13,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -13,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                22,317,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,537,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Property, plant and equipment | 
                                                15,633,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,533,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Land | 
                                                5,398,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,398,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                2,084,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,031,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Intangible assets | 
                                                382,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                391,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                5,420,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,012,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                5,847,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,485,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                431,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                547,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -74,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                21,864,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,410,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                44,181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,948,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                6,555,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,289,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                186,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                146,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                3,907,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,468,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                18,023,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,078,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Non-current liabilities | 
                                                8,239,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,498,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                4,927,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,339,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,455,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,404,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                26,262,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,577,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Provision for retirement benefits for directors (and other officers) | 
                                                315,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                309,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses | 
                                                179,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                518,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                2,122,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,122,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | ||
| Capital surplus | 
                                                897,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,033,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | ||
| Retained earnings | 
                                                8,445,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,197,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                11,434,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,322,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                381,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                241,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                1,903,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,705,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                17,919,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                44,181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,948,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |