| Basic and diluted earnings (loss) per share | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Basic and diluted earnings (loss) per share (IFRS) | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Basic and diluted earnings per share | en | http://www.xbrl.org/2003/role/positiveLabel | http://www.xbrl.org/2003/role/link |
| Basic and diluted loss per share | en | http://www.xbrl.org/2003/role/negativeLabel | http://www.xbrl.org/2003/role/link |
| Basic and diluted earnings (loss) per share | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/label | http://www.xbrl.org/2003/role/link |
| Basic and diluted loss per share | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/negativeLabel | http://www.xbrl.org/2003/role/link |
| Basic and diluted earnings per share | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/positiveLabel | http://www.xbrl.org/2003/role/link |
| Basic and diluted earnings (loss) per share | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedQuarterly/role/label | http://www.xbrl.org/2003/role/link |
| Basic and diluted loss per share | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedQuarterly/role/negativeLabel | http://www.xbrl.org/2003/role/link |
| Basic and diluted earnings per share | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedQuarterly/role/positiveLabel | http://www.xbrl.org/2003/role/link |
| 基本的及び希薄化後1株当たり当期利益(△損失) | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 基本的及び希薄化後1株当たり当期利益(△損失)(IFRS) | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 基本的及び希薄化後1株当たり当期利益 | ja | http://www.xbrl.org/2003/role/positiveLabel | http://www.xbrl.org/2003/role/link |
| 基本的及び希薄化後1株当たり当期損失 | ja | http://www.xbrl.org/2003/role/negativeLabel | http://www.xbrl.org/2003/role/link |
| 基本的及び希薄化後1株当たり中間利益(△損失) | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/label | http://www.xbrl.org/2003/role/link |
| 基本的及び希薄化後1株当たり当期損失 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/negativeLabel | http://www.xbrl.org/2003/role/link |
| 基本的及び希薄化後1株当たり中間利益 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/positiveLabel | http://www.xbrl.org/2003/role/link |
| 基本的及び希薄化後1株当たり四半期利益(△損失) | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedQuarterly/role/label | http://www.xbrl.org/2003/role/link |
| 基本的及び希薄化後1株当たり当期損失 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedQuarterly/role/negativeLabel | http://www.xbrl.org/2003/role/link |
| 基本的及び希薄化後1株当たり四半期利益 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedQuarterly/role/positiveLabel | http://www.xbrl.org/2003/role/link |