| 営業利益又は営業損失(△) | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 営業利益又は営業損失(△) | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 営業利益 | ja | http://www.xbrl.org/2003/role/positiveLabel | http://www.xbrl.org/2003/role/link |
| 営業損失(△) | ja | http://www.xbrl.org/2003/role/negativeLabel | http://www.xbrl.org/2003/role/link |
| 全事業営業利益又は全事業営業損失(△) | ja | http://disclosure.edinet-fsa.go.jp/jppfs/rwy/role/label | http://www.xbrl.org/2003/role/link |
| 全事業営業損失(△) | ja | http://disclosure.edinet-fsa.go.jp/jppfs/rwy/role/negativeLabel | http://www.xbrl.org/2003/role/link |
| 全事業営業利益 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/rwy/role/positiveLabel | http://www.xbrl.org/2003/role/link |
| Operating profit (loss) | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Operating profit (loss) | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Operating profit | en | http://www.xbrl.org/2003/role/positiveLabel | http://www.xbrl.org/2003/role/link |
| Operating loss | en | http://www.xbrl.org/2003/role/negativeLabel | http://www.xbrl.org/2003/role/link |
| Operating profit (loss) - all businesses | en | http://disclosure.edinet-fsa.go.jp/jppfs/rwy/role/label | http://www.xbrl.org/2003/role/link |
| Operating loss - all businesses | en | http://disclosure.edinet-fsa.go.jp/jppfs/rwy/role/negativeLabel | http://www.xbrl.org/2003/role/link |
| Operating profit - all businesses | en | http://disclosure.edinet-fsa.go.jp/jppfs/rwy/role/positiveLabel | http://www.xbrl.org/2003/role/link |