Semi-Annual Consolidated Balance Sheet
| Concept | As at 2024-02-29 | As at 2023-05-31 | 
|---|---|---|
| Semi-annual consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                10,705,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,092,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Securities | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Inventories | 
                                                9,193,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,913,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                2,283,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                890,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -7,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                28,599,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,485,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                5,591,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,666,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Buildings and structures | — | — | 
| Buildings and structures, net | 
                                                2,668,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,731,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Land | 
                                                2,335,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,335,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                587,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                599,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Goodwill | 
                                                651,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                741,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,431,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,077,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                2,082,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,818,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                5,570,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,223,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                3,012,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,004,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                551,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                266,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,537,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,506,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -99,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -102,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                13,244,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,708,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                41,844,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,194,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retirement benefit asset | 
                                                139,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                5,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                490,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,015,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,660,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                11,964,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,296,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retirement benefit liability | 
                                                361,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                422,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                95,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                908,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,028,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                12,873,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,325,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses | 
                                                778,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax liabilities | 
                                                101,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                65,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses for directors (and other officers) | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                2,803,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,803,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                4,379,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,379,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                21,147,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,371,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -403,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -454,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                27,926,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                964,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                670,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                -3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans | 
                                                75,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                93,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                1,035,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                761,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-controlling interests | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                28,971,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,869,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                41,844,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,194,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |