| Label: | Unrealized Gain (Loss) on Investments [Roll Up] |
| Name: | UnrealizedGainLossonInvestments |
| Parent Topic: | DebtAndEquitySecurities |
| Documentation: | Disclosure of unrealized gains and losses on investments. |
| Commentary: | Missing [Table] |
| Level: | Detail |
| Information model: | [Roll Up] |
| Completion state: | Not started |
| Status: | |
| US GAAP XBRL Taxonomy Text Block: | us-gaap:UnrealizedGainLossOnInvestmentsTableTextBlock |
| US GAAP XBRL Taxonomy Network: | http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecurities |
| Example Disclosure |
| Click entity name to view example [Text Block] or Detailed Disclosure | COSTCO WHOLESALE CORP /NEW TextBlock | METLIFE INC TextBlock | TRAVELERS COMPANIES, INC. TextBlock | UNITEDHEALTH GROUP INC TextBlock | |
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