| 報告セグメントに配分されていないのれんの償却額又は未償却残高の内容 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 報告セグメントに配分されていないのれんの償却額又は未償却残高の内容 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Description of amortization of goodwill or unamortized balance of goodwill not allocated to reportable segments | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Description of amortization of goodwill or unamortized balance of goodwill not allocated to reportable segments | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |