cm:Concept: us-gaap:AssetRetirementObligationsNoncurrent
Asset Retirement Obligations, Noncurrent |
us-gaap:AssetRetirementObligationsNoncurrent |
Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Credit |
false |
us-gaap:AssetRetirementObligationsNoncurrent |