| Label/Title: | Asset Retirement Obligations |
| Name: | http://fasb.org/us-gaap/role/disclosure/AssetRetirementObligations |
| Documentation: | |
| Category: | Disclosure |
| Number: | 420000 |
| ASC Topic #: | 410 |
| Tree View of Network: | http://xbrlsite-app.azurewebsites.net/TreeView/aro.aspx |
| Disclosures: | Asset Retirement Obligation Note [Note Level] | Asset Retirement Obligation, by Legal Entity [Roll Forward] | Asset Retirement Obligation [Roll Up] |
| Number of elements: | 29 |
| Flat representation: (shown below) | http://www.xbrlsite.com/2019/US-GAAP-2019-AsReleased/us-gaap-dis-aro-pre-2019-01-31_ModelStructure.html |
| Flat representation |
Last updated: 6/26/2019 5:17:30 PM