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Asset Impairment Expense | 3 Months Ended
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Mar. 31, 2017
Impairment or Disposal of Tangible Assets Disclosure [Abstract] |
ASSET IMPAIRMENT EXPENSE | ASSET IMPAIRMENT EXPENSE
|  | Three Months Ended March 31,
(in millions) |  | 2017 |  | 2016
Kazakhstan |  | $ | 94 |  |  | $ | — |
DP&L |  | 66 |  |  | — |
Tait Energy Storage |  | 8 |  |  | — |
Buffalo Gap II |  | — |  |  | 159 |
Total |  | $ | 168 |  |  | $ | 159 |
DP&L — On March 17, 2017, the board of directors of DP&L approved the retirement of the DP&L operated and co-owned Stuart Station coal-fired and diesel-fired generating units, and the Killen Station coal-fired generating unit and combustion turbine on or before June 1, 2018. The Company performed a long-lived asset impairment analysis and determined that the carrying amounts of the facilities were not recoverable. The Stuart Station and Killen Station were determined to have fair values of $3 million and $8 million, respectively, using the income approach. As a result, the Company recognized a total asset impairment expense of $66 million. DPL is reported in the US SBU reportable segment. Kazakhstan — In January 2017, the Company entered into an agreement for the sale of Ust-Kamenogorsk CHP and Sogrinsk CHP, its combined heating and power coal plants in Kazakhstan. The fair value of the Kazakhstan asset group was determined to be below carrying value. As a result, the Company recognized asset impairment expense of $94 million during the three months ended March 31, 2017. Kazakhstan is reported in the Europe SBU reportable segment. See Note 16—Held-for-Sale Businesses and Dispositions of this Form 10-Q for further information. Buffalo Gap II — During the first quarter of 2016, the Company tested the recoverability of its long-lived assets at Buffalo Gap II. Impairment indicators were identified based on a decline in forward power curves. The Company determined that the carrying amount was not recoverable. The Buffalo Gap II asset group was determined to have a fair value of $92 million using the income approach. As a result, the Company recognized asset impairment expense of $159 million ($49 million attributable to AES). Buffalo Gap II is reported in the US SBU reportable segment.

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- Definition The entire disclosure for the details of the charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value. Disclosure may also include a description of the impaired asset and facts and circumstances leading to the impairment, amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired asset is reported. + References No definition available. + Details
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- References No definition available. + Details
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