| Cash and cash equivalents | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Cash and cash equivalents (if different from BS balance) (IFRS) | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Cash and cash equivalents at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Cash and cash equivalents at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| Cash and cash equivalents at end of period | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| Cash and cash equivalents at end of period | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedQuarterly/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| Cash and cash equivalents at end of period | en | http://disclosure.edinet-fsa.go.jp/jppfs/NonConsolidatedInterim/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| Cash and cash equivalents at end of period | en | http://disclosure.edinet-fsa.go.jp/jppfs/NonConsolidatedQuarterly/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| キャッシュ・フロー計算書の「現金及び現金同等物」期末残高が財政状態計算書の「現金及び現金同等物」と異なる場合、本要素をキャッシュ・フロー計算書の「現金及び現金同等物」として用いる。 | ja | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| 現金及び現金同等物 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 現金及び現金同等物(BS残と異なる場合にCFで用いる)(IFRS) | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 現金及び現金同等物の期首残高 | ja | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| 現金及び現金同等物の期末残高 | ja | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| 現金及び現金同等物の中間期末残高 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| 現金及び現金同等物の四半期末残高 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedQuarterly/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| 現金及び現金同等物の中間期末残高 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/NonConsolidatedInterim/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| 現金及び現金同等物の四半期末残高 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/NonConsolidatedQuarterly/role/periodEndLabel | http://www.xbrl.org/2003/role/link |