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ASSET RETIREMENT OBLIGATIONS Asset Retirement Obligations - Assets (Details) (Other ARO Assets, USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Other ARO Assets
    
ARO Underlying Asset $ 18ete_AroUnderlyingAsset
/ ete_AroAssetsAxis
= ete_OtherAroAssetsMember		 $ 13ete_AroUnderlyingAsset
/ ete_AroAssetsAxis
= ete_OtherAroAssetsMember