| Standard label: | Description of Types of Price Risk Cash Flow Hedging Instruments Used |
| Name: | us-gaap:DescriptionOfTypesOfPriceRiskCashFlowHedgingInstrumentsUsed |
| Documentation: | Description of the types of price risk derivative instruments designated as hedging instruments in cash flow hedges. For example, forwards, options, swaps, caps, floors, and collars. Includes the nature of underlyings on the derivatives, such as commodity forward purchase contracts or put options on equity securities. |
| 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:DescriptionOfTypesOfPriceRiskCashFlowHedgingInstrumentsUsed |
| Label | Role | Language |
| Description of Types of Price Risk Cash Flow Hedging Instruments Used | 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 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |