| 連結子会社の事業年度等に関する事項 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 連結子会社の事業年度等に関する事項 [テキストブロック] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 連結子会社の中間決算日等に関する事項 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/label | http://www.xbrl.org/2003/role/link |
| Disclosure about fiscal years, etc. of consolidated subsidiaries | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Disclosure about fiscal years, etc. of consolidated subsidiaries [text block] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Disclosure about semi-annual balance sheet dates, etc. of consolidated subsidiaries | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/label | http://www.xbrl.org/2003/role/link |