| Remeasurements of defined benefit plans | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Remeasurements of defined benefit plans (net of tax), Items that will not be reclassified to profit or loss - OCI (IFRS) | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 確定給付制度の再測定 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 確定給付制度の再測定(税引後)、純損益に振り替えられることのないその他の包括利益(IFRS) | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |