| Standard label: | Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Percent Foreign Equity Securities |
| Name: | us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerSharePercentForeignEquitySecurities |
| Documentation: | The percentage of the total value of investments that are foreign equity securities for a given category of investments for which net asset value per share is calculated. |
| Object type: | cm:Concept |
| Data type: | Percent (num:percentItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerSharePercentForeignEquitySecurities |
| Label | Role | Language |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Percent Foreign Equity Securities | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |