| Name | RemeasurementsOfDefinedBenefitPlansIFRSMember |
|---|---|
| Namespace | http://disclosure.edinet-fsa.go.jp/taxonomy/jpigp/2019-11-01/jpigp_cor |
| Prefix | jpigp_cor |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| 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(IFRS) [メンバー] | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 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 (IFRS) [member] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
jpigp_cor:OtherComponentsOfEquityIFRSMember | parent-child | http://disclosure.edinet-fsa.go.jp/role/jpigp/rol_std_ConsolidatedStatementOfChangesInEquityIFRS | |
jpigp_cor:AccumulatedOtherComprehensiveIncomeIFRSMember | general-special | http://disclosure.edinet-fsa.go.jp/role/jpigp/rol_std_StatementOfChangesInEquityIFRS-ListOfAccounts | |
jpigp_cor:OtherComponentsOfEquityIFRSMember | domain-member | http://disclosure.edinet-fsa.go.jp/role/jpigp/rol_std_ConsolidatedStatementOfChangesInEquityIFRS |