| Name | DescriptionOfTypesOfPriceRiskDerivativesNotDesignatedAsHedgingInstruments |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Description of Types of Price Risk Derivatives Not Designated as Hedging Instruments (Deprecated 2020-01-31) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Description of the types of price risk derivative instruments not designated as hedging instruments. For example, forwards, options, and swaps. Includes the nature of underlyings on the derivatives, such as commodities on commodity forward purchase contracts or equity securities on put options. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DeprecatedItems | parent-child | http://fasb.org/us-gaap/role/deprecated/deprecated |