Semi-Annual Consolidated Balance Sheet
| Concept | As at 2024-09-30 | As at 2024-03-31 | 
|---|---|---|
| Semi-annual consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                51,326,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,298,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Inventories | 
                                                3,979,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,057,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                14,944,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -218,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -230,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                211,652,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                248,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                23,363,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,483,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Intangible assets | ||
| Goodwill | 
                                                1,493,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,703,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                7,752,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,470,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                9,245,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,173,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                56,993,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,063,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                44,503,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,530,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                2,949,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,016,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -107,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                89,602,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,720,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                301,254,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                340,106,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retirement benefit asset | 
                                                6,643,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,551,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                2,410,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,133,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                3,552,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,008,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                14,131,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,621,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                106,374,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                146,750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Bonds payable | 
                                                20,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retirement benefit liability | 
                                                1,130,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,126,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                682,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                744,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                25,694,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,125,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                132,068,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                172,875,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses | 
                                                5,056,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,727,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax liabilities | 
                                                2,799,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,388,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses for directors (and other officers) | 
                                                62,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                159,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                13,134,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,134,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                11,195,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,488,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                130,796,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                128,724,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -7,962,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,307,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                147,164,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                145,040,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                14,748,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,822,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                2,196,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,671,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans | 
                                                1,737,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,821,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                18,681,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,315,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-controlling interests | 
                                                3,339,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,875,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                169,185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                167,231,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                301,254,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                340,106,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |