| Standard label: | Description of Fair Value Hedge Accounting Method |
| Name: | us-gaap:DescriptionOfFairValueHedgeAccountingMethod |
| Documentation: | General discussion of the accounting for fair value hedges. Includes discussion of where derivatives and the gain (loss) on derivatives are reported in the financial statements. Also includes discussion of the assessment of hedge effectiveness and measurement of hedge ineffectiveness. |
| 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:DescriptionOfFairValueHedgeAccountingMethod |
| Label | Role | Language |
| Description of Fair Value Hedge Accounting Method | 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)(1)) | http://www.xbrl.org/2003/role/disclosureRef | 235 |
| FASB Accounting Standards Codification 235 10 S99 1 (SX 210.4-08(n)(3)) | http://www.xbrl.org/2003/role/disclosureRef | 235 |
| FASB Accounting Standards Codification 235 10 S99 1 (SX 210.4-08(n)(7)) | http://www.xbrl.org/2003/role/disclosureRef | 235 |