Details for Selection
| Standard label: | Health Care Trust Fund, Investment Gains (Losses), Net |
| Name: | us-gaap:HealthCareTrustFundInvestmentGainsLossesNet |
| Documentation: | Net recognized gains and losses resulting from increases and decreases in fair value of health care trust fund assets during the accounting period. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Credit |
| Object class: | [Concept] |