Quarterly Balance Sheet
| Concept | As at 2024-09-30 | As at 2024-03-31 | 
|---|---|---|
| Quarterly balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                4,607,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,689,777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                504,015,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                503,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                19,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                554,930,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                569,240,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                503,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                580,621,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -7,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,669,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                6,680,206,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,937,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                6,515,082,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,463,428,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Land | 
                                                3,638,866,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,701,366,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                277,764,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                251,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                454,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                381,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Goodwill | 
                                                336,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                263,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                117,911,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                118,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                3,346,234,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,284,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Other | 
                                                1,626,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,597,582,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -425,369,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -428,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                10,315,561,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,129,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                16,995,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,066,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                91,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                134,264,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | 
                                                56,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                16,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,315,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,487,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                4,147,028,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,304,842,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                4,178,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,129,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                761,135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                731,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                416,596,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                427,367,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                5,366,196,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,301,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                9,513,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,606,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                6,765,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,783,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                1,239,903,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,239,171,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -623,990,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -662,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                7,481,616,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,460,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                926,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                471,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                926,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                471,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                7,482,543,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,460,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                16,995,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,066,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |