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 | 
                                                15,005,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,969,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                5,521,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,786,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -422,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -274,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                130,872,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,103,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Property, plant and equipment | 
                                                64,339,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,984,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                31,464,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,171,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Intangible assets | 
                                                4,769,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,988,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                23,235,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,397,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                30,143,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,003,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                7,380,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,094,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -471,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -488,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                99,252,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                94,975,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                230,124,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                212,079,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                25,482,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,365,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                399,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,045,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                12,490,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,378,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                68,316,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,195,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Non-current liabilities | 
                                                30,528,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,930,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                15,657,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,970,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                4,558,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                98,845,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,125,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Provision for retirement benefits for directors (and other officers) | 
                                                20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses | 
                                                1,031,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,030,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Provision for bonuses for directors (and other officers) | 
                                                32,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                9,248,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,248,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | ||
| Capital surplus | 
                                                8,389,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,384,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | ||
| Retained earnings | 
                                                90,465,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,778,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -1,651,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,711,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                106,452,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                104,700,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                10,179,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,372,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred gains or losses on hedges | 
                                                -7,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                22,978,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,510,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                131,279,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                121,953,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                230,124,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                212,079,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |