| Comprehensive income | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Comprehensive income (IFRS) | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Comprehensive income | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/label | http://www.xbrl.org/2003/role/link |
| Comprehensive income | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedQuarterly/role/label | http://www.xbrl.org/2003/role/link |
| Comprehensive income | en | http://disclosure.edinet-fsa.go.jp/jppfs/NonConsolidatedInterim/role/label | http://www.xbrl.org/2003/role/link |
| Comprehensive income | en | http://disclosure.edinet-fsa.go.jp/jppfs/NonConsolidatedQuarterly/role/label | http://www.xbrl.org/2003/role/link |
| Total | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Comprehensive income | en | http://disclosure.edinet-fsa.go.jp/jppfs/NonConsolidatedInterim/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Comprehensive income | en | http://disclosure.edinet-fsa.go.jp/jppfs/NonConsolidatedQuarterly/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Comprehensive income | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Comprehensive income | en | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedQuarterly/role/totalLabel | http://www.xbrl.org/2003/role/link |
| 当期包括利益 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 当期包括利益(IFRS) | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 中間包括利益 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/label | http://www.xbrl.org/2003/role/link |
| 四半期包括利益 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedQuarterly/role/label | http://www.xbrl.org/2003/role/link |
| 中間包括利益 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/NonConsolidatedInterim/role/label | http://www.xbrl.org/2003/role/link |
| 四半期包括利益 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/NonConsolidatedQuarterly/role/label | http://www.xbrl.org/2003/role/link |
| 合計 | ja | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| 中間包括利益合計 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/NonConsolidatedInterim/role/totalLabel | http://www.xbrl.org/2003/role/link |
| 四半期包括利益合計 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/NonConsolidatedQuarterly/role/totalLabel | http://www.xbrl.org/2003/role/link |
| 中間包括利益合計 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedInterim/role/totalLabel | http://www.xbrl.org/2003/role/link |
| 四半期包括利益合計 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ConsolidatedQuarterly/role/totalLabel | http://www.xbrl.org/2003/role/link |