Details for Selection
| Standard label: | Targeted or Tracking Stock, Subsidiary |
| Name: | us-gaap:TargetedOrTrackingStockSubsidiary |
| Documentation: | Specific subsidiary referenced in the targeted stock. |
| Commentary: | |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Concept] |