| Notes - Earnings per share | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Notes - Earnings per share, Condensed semi-annual consolidated financial statements (IFRS) [heading] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Notes - Earnings per share | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/label | http://www.xbrl.org/2003/role/link |
| 注記事項-1株当たり利益 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 注記事項-1株当たり利益、要約中間連結財務諸表(IFRS) [目次項目] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 注記事項-1株当たり中間利益 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/label | http://www.xbrl.org/2003/role/link |