v2.4.0.8
Impairments of Fixed Assets and Other (Policies)
6 Months Ended
Jun. 30, 2014
Asset Impairment Charges [Abstract]  
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
We review our long-lived assets, other than our natural gas and oil properties which are subject to quarterly full cost ceiling tests, for recoverability whenever events or changes in circumstances indicate that carrying amounts may not be recoverable and recognize an impairment loss if the carrying amount of a long-lived asset is not recoverable and exceeds its fair value.