Notes - Significant Accounting Policies For Preparation Of Semi-Annual Consolidated Financial Statements
| Concept | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 
|---|---|---|
| Notes - Significant accounting policies for preparation of semi-annual consolidated financial statements | ||
| Notes - Significant accounting policies for preparation of semi-annual consolidated financial statements | ||
| Disclosure of scope of consolidation | ||
| Number of consolidated subsidiaries and names of major consolidated subsidiaries | — | (1)連結子会社の数 3社 連結子会社名は、「第1 企業の概況 4 関係会社の状況」に記載しているため、省略しております。 | 
| Number of consolidated subsidiaries | 
                                                3
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Names of major unconsolidated subsidiaries and reasons for exclusion from scope of consolidation | — | (2)主要な非連結子会社の名称等 該当事項はありません。 
 | 
| Disclosure about application of equity method | ||
| Number of unconsolidated subsidiaries and associates accounted for using equity method and names of major entities accounted for using equity method | — | (1)持分法適用の非連結子会社数 0社 (2)持分法適用の関連会社数 0社 | 
| Number of unconsolidated subsidiaries accounted for using equity method | 
                                                0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Number of associates accounted for using equity method | 
                                                0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Names of major unconsolidated subsidiaries and associates not accounted for using equity method and reasons for this treatment | — | (3)持分法を適用しない非連結子会社の名称等 該当事項はありません。 
 | 
| Disclosure about fiscal years, etc. of consolidated subsidiaries | — | 3 連結子会社の事業年度等に関する事項 連結子会社3社の決算日は12月31日であり連結決算日と異なっていますが、連結財務諸表の作成にあたっては同日現在の財務諸表を使用し、連結決算日との間に生じた重要な取引については連結上必要な調整を行っております。 
 | 
| Disclosure of accounting policies | ||
| Disclosure of accounting policies | — |