IndexUnderlying, Derivative Energy Measure
| Name | UnderlyingDerivativeEnergyMeasure |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | srt-types:perUnitItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Underlying, Derivative Energy Measure | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Specified interest rate, security price, commodity price, foreign exchange rate, index of prices or rates for a derivative contract measured in energy volume but not the derivative contract itself. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
Related Parent Concepts
| Name | Relation Type | Role | |
|---|---|---|---|
 | us-gaap:NotionalAmountOfDerivativesAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivities |
| us-gaap:NotionalAmountOfDerivativesAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivitiesDerivativeTable |
| us-gaap:NotionalAmountOfDerivativesAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivitiesFairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable |
| us-gaap:NotionalAmountOfDerivativesAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivitiesScheduleOfCreditDerivativesTable |