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 | 
                                                5,401,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,088,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                334,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                272,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -3,696,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                8,444,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,788,836,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                153,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                192,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Other | — | — | 
| Other, net | 
                                                153,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                192,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                6,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Other | 
                                                6,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                893,478,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                910,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Other | 
                                                1,451,442,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,447,954,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -557,963,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -537,626,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                1,052,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,114,647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                9,497,115,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,903,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Notes and accounts payable - trade | 
                                                899,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                653,728,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Short-term borrowings | 
                                                46,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,570,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                53,019,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                129,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,588,997,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,258,654,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                2,728,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,272,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Other | 
                                                30,022,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,379,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                286,454,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                315,186,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                3,014,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,587,676,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                2,323,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,323,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                4,312,681,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,150,346,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -340,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -340,870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                6,295,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,132,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Deferred gains or losses on hedges | 
                                                -507,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -474,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                148,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                140,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                6,482,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,315,806,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                9,497,115,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,903,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |