| 中間連結キャッシュ・フロー計算書 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 中間連結キャッシュ・フロー計算書 [目次項目] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 要約中間連結キャッシュ・フロー計算書 | ja | http://disclosure.edinet-fsa.go.jp/jpcrp/std/alt/role/label | http://www.xbrl.org/2003/role/link |
| Semi-annual consolidated statement of cash flows | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Semi-annual consolidated statement of cash flows [heading] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Condensed semi-annual consolidated statement of cash flows | en | http://disclosure.edinet-fsa.go.jp/jpcrp/std/alt/role/label | http://www.xbrl.org/2003/role/link |