Quarterly Balance Sheet
| Concept | As at 2024-08-31 | As at 2024-02-29 | 
|---|---|---|
| Quarterly balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                78,181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,427,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Securities | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                18,736,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,563,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                244,528,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                199,046,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                112,760,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                107,863,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Other | — | — | 
| Other, net | 
                                                32,560,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,014,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                10,323,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,355,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Investments and other assets | 
                                                78,756,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,297,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                19,964,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,995,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shares of subsidiaries and associates | 
                                                5,352,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,929,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                20,810,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,026,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -22,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -27,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                201,839,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                191,517,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                446,367,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                390,563,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                10,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                6,197,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,149,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                39,326,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,590,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                181,649,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                136,648,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                406,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                521,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                7,816,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,571,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                2,991,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,126,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                21,108,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,552,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                202,758,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                157,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                15,434,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,434,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                24,632,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,632,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                221,956,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                211,310,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -18,179,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -18,198,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                243,844,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                233,178,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                -171,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                174,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred gains or losses on hedges | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                -234,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                183,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                243,609,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                233,362,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                446,367,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                390,563,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |