| 棚卸資産の増減額(△は増加) | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 棚卸資産の増減額(△は増加)、営業活動によるキャッシュ・フロー | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 棚卸資産の増減額 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/spf/role/label | http://www.xbrl.org/2003/role/link |
| Decrease (increase) in inventories | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Decrease (increase) in inventories-OpeCF | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Decrease (increase) in inventories | en | http://disclosure.edinet-fsa.go.jp/jppfs/spf/role/label | http://www.xbrl.org/2003/role/link |