| 有形及び無形固定資産の売却による収入 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 有形及び無形固定資産の売却による収入、投資活動によるキャッシュ・フロー | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 有形及び無形固定資産の売却による収入 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/bnk/role/label | http://www.xbrl.org/2003/role/link |
| Proceeds from sale of property, plant and equipment and intangible assets | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Proceeds from sale of property, plant and equipment and intangible assets - InvCF | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Proceeds from sale of tangible and intangible fixed assets | en | http://disclosure.edinet-fsa.go.jp/jppfs/bnk/role/label | http://www.xbrl.org/2003/role/link |