Details for Selection
| Standard label: | Deferred Tax Liabilities, Zero Coupon Notes |
| Name: | us-gaap:DeferredTaxLiabilitiesZeroCouponNotes |
| Documentation: | The amount as of the balance sheet date of the estimated future tax effects attributable to investments in zero coupon (no stated interest) debt securities. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As of (instant) |
| Balance type: | Credit |
| Object class: | [Concept] |