| Label: | Asset Retirement Obligation, by Legal Entity [Roll Forward] | 
| Name: | AssetRetirementObligationRollForwardAnalysisRollForward | 
| Parent Topic: | AssetRetirementObligations | 
| Documentation: | Roll forward of asset retirement obligation. | 
| Commentary: | |
| Level: | Detail | 
| Information model: | [Roll Forward] | 
| Completion state: | WIP | 
| Status: | Good example | 
| US GAAP XBRL Taxonomy Text Block: | us-gaap:ScheduleOfChangeInAssetRetirementObligationTableTextBlock | 
| US GAAP XBRL Taxonomy Network: | http://fasb.org/us-gaap/role/disclosure/AssetRetirementObligations | 
| Example Disclosure | 
| Click entity name to view example [Text Block] or Detailed Disclosure | ACCESS MIDSTREAM PARTNERS LP Detail | ACCESS MIDSTREAM PARTNERS LP TextBlock | ALLIANT ENERGY CORP Detail | ALLIANT ENERGY CORP TextBlock | Armada Oil, Inc. Detail | Armada Oil, Inc. TextBlock | CF Industries Holdings, Inc. TextBlock | CF Industries Holdings, Inc. Detail | CHEVRON CORP TextBlock | CONOCOPHILLIPS TextBlock | DOW CHEMICAL CO /DE/ TextBlock | First Titan Corp. Detail | First Titan Corp. TextBlock | FORD MOTOR CO TextBlock | HESS CORP TextBlock | HESS CORP Detail | HONEYWELL INTERNATIONAL INC TextBlock | MOSAIC CO TextBlock | MOSAIC CO Detail | NATIONAL FUEL GAS CO Detail | NATIONAL FUEL GAS CO TextBlock | ORMAT TECHNOLOGIES, INC. TextBlock | Phillips 66 TextBlock | SunCoke Energy, Inc. TextBlock | VALERO ENERGY CORP/TX TextBlock | | 
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