Asset Impairments

6 Months Ended

Jun. 30, 2018

Asset Impairment Charges [Abstract]

Asset Impairments

6. Asset Impairments

UnprovedImpairments

During the first six months of 2018 and 2017, Devon impaired certain non-core acreage in the U.S. that it no longer intends to pursue for exploration opportunities, resulting in unproved impairments of $61 million and $62 million, respectively. Unproved impairments are included in exploration expenses in the consolidated comprehensive statements of earnings.

AssetImpairments

During the second quarter of 2018, Devon recognized $109 million of proved asset impairments relating to U.S. non-core assets no longer in its development plans and approximately $45 million of non-oil and gas asset impairments.