| 持分法を適用した場合の投資利益又は投資損失(△) | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 持分法を適用した場合の投資利益又は投資損失(△)、経営指標等 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Equity in earnings (losses) of affiliates if equity method is applied | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Equity in earnings (losses) of affiliates if equity method is applied, Key financial data | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |