Details for Selection
| Standard label: | Schedule of Change in Asset Retirement Obligation [Table Text Block] |
| Name: | us-gaap:ScheduleOfChangeInAssetRetirementObligationTableTextBlock |
| Documentation: | Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. |
| Commentary: | |
| Data type: | Text Block (HTML) (nonnum:textBlockItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Text Block] |