| 為替差損益(△は益) | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 為替差損益(△は益)、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 |
| 為替差損益 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/spf/role/label | http://www.xbrl.org/2003/role/link |
| Foreign exchange losses (gains) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Foreign exchange losses (gains)-OpeCF | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Foreign exchange (gains) losses | en | http://disclosure.edinet-fsa.go.jp/jppfs/spf/role/label | http://www.xbrl.org/2003/role/link |