| Name | ProvisionOfAllowanceForInvestmentLossOEBNK |
|---|---|
| Namespace | http://disclosure.edinet-fsa.go.jp/taxonomy/jppfs/2018-03-31/jppfs_cor |
| Prefix | jppfs_cor |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| 投資損失引当金繰入額 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 投資損失引当金繰入額、経常費用、銀行業 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| (うち投資損失引当金繰入額) | ja | http://disclosure.edinet-fsa.go.jp/jppfs/bnk/role/label | http://www.xbrl.org/2003/role/link |
| Provision of allowance for investment loss | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Provision of allowance for investment loss-OE-BNK | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Provision of allowance for investment loss | en | http://disclosure.edinet-fsa.go.jp/jppfs/bnk/role/label | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| IndustryAbbreviation | bnk | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
jppfs_cor:OtherExpensesOEBNK | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_bk1_StatementOfIncome-ListOfAccounts | |
jppfs_cor:OtherExpensesOEBNK | general-special | http://disclosure.edinet-fsa.go.jp/role/jppfs/rol_bk2_StatementOfIncome-ListOfAccounts |