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 | 
                                                5,778,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,949,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,547,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,229,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -183,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -151,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                39,733,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,390,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                29,860,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,543,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Buildings and structures | — | — | 
| Buildings and structures, net | 
                                                6,519,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,498,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Machinery, equipment and vehicles | — | — | 
| Machinery, equipment and vehicles, net | 
                                                4,185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,975,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Land | 
                                                17,493,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,484,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Leased assets | — | — | 
| Leased assets, net | 
                                                817,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                851,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Construction in progress | 
                                                416,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                301,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                428,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                432,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Intangible assets | 
                                                474,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                476,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                16,181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,434,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                7,219,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,509,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                2,794,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,491,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                4,494,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,969,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -62,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -62,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                46,516,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,453,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                86,249,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,844,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retirement benefit asset | 
                                                1,735,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,525,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Notes and accounts payable - trade | 
                                                9,894,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,660,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Short-term borrowings | 
                                                9,428,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,867,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                3,827,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,322,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                26,454,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,174,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                13,822,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,835,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Lease liabilities | 
                                                746,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                748,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retirement benefit liability | 
                                                4,325,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,315,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                591,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                591,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                532,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                522,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                24,079,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,102,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                50,534,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,276,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for retirement benefits for directors (and other officers) | 
                                                136,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                155,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses | 
                                                979,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,032,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax liabilities for land revaluation | 
                                                3,919,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,919,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                1,064,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,063,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                19,184,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,570,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -629,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -653,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                20,620,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,980,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                2,204,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,140,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred gains or losses on hedges | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Revaluation reserve for land | 
                                                9,063,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,063,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                4,247,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,829,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans | 
                                                -420,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -446,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                15,095,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,587,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                35,715,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,568,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                86,249,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,844,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |