| Standard label: | Description of Types of Price Risk Derivatives Not Designated as Hedging Instruments |
| Name: | us-gaap:DescriptionOfTypesOfPriceRiskDerivativesNotDesignatedAsHedgingInstruments |
| Documentation: | 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. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DescriptionOfTypesOfPriceRiskDerivativesNotDesignatedAsHedgingInstruments |
| Label | Role | Language |
| Description of Types of Price Risk Derivatives Not Designated as Hedging Instruments | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 235 10 S99 1 (SX 210.4-08.(n)(2)) | http://fasb.org/us-gaap/role/ref/legacyRef | 235 |
| FASB Accounting Standards Codification 815 10 50 1B | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |
| FASB Accounting Standards Codification 815 10 50 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |