Quarterly Balance Sheet
| Concept | As at 2023-12-31 | As at 2023-03-31 | 
|---|---|---|
| Quarterly balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                23,303,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                522,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                338,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                15,111,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,219,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                2,811,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,532,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                4,162,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,709,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -401,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -420,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                63,294,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,621,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                4,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,034,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Intangible assets | 
                                                999,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,460,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Goodwill | 
                                                607,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,046,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                391,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                413,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                3,981,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,270,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Non-current assets | 
                                                9,095,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,765,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                72,389,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,387,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Notes and accounts payable - trade | 
                                                4,883,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,039,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Short-term borrowings | 
                                                907,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                663,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                363,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,357,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,240,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                27,734,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,922,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                11,353,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,662,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | 
                                                295,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                238,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                197,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                134,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                54,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                12,443,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,579,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                40,178,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,502,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                2,847,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,847,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                2,503,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,503,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                27,220,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,198,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -2,011,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,915,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                30,561,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,635,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                166,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                131,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                1,337,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                969,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                32,211,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,884,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                72,389,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,387,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |