Details for Selection
| Standard label: | Targeted or Tracking Stock, Policy |
| Name: | us-gaap:TargetedOrTrackingStockPolicy |
| Documentation: | Describes the policy for management of cash generated by and capital investments in the referenced unit. |
| Commentary: | |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Concept] |