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 | 
                                                52,181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,187,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                9,383,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,889,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                446,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                900,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                77,253,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,452,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                17,543,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,914,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Land | 
                                                9,385,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,385,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                2,723,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,432,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accumulated depreciation | 
                                                -2,071,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,719,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other, net | 
                                                651,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                713,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                337,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                421,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Investments and other assets | 
                                                4,279,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,912,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                2,796,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,683,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term loans receivable | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                380,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                124,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,110,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,109,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -7,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                22,160,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,248,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                99,414,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                102,701,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Income taxes payable | 
                                                1,451,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,363,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                3,834,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,855,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                12,213,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,377,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Asset retirement obligations | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                362,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                388,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                1,007,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,040,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                13,221,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,417,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                4,993,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,993,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                6,442,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,273,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                76,526,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,008,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -4,136,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,105,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                83,825,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,169,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                615,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                536,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred gains or losses on hedges | 
                                                -552,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                146,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                423,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                240,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                309,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                86,193,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                99,414,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                102,701,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |