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Asset Impairment Expense (Tables)

6 Months Ended

Jun. 30, 2017

Impairment or Disposal of Tangible Assets Disclosure [Abstract]

Details of Impairment of Long-Lived Assets Held and Used by Asset

	Three Months Ended June 30,								Six Months Ended June 30,
(in millions)	2017				2016				2017				2016
Kazakhstan Hydroelectric	$	90			$	—			$	90			$	—
Kazakhstan CHPs	—				—				94				—
DPL	—				235				66				235
Tait Energy Storage	—				—				8				—
Buffalo Gap II	—				—				—				159
Total	$	90			$	235			$	258			$	394

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- Definition

Tabular disclosure for impairment of long-lived assets held and used by an entity which includes a description of the impaired long-lived asset and facts and circumstances leading to the impairment, aggregate 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 long-lived asset is reported.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2921-110230

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.CC)
-URI http://asc.fasb.org/extlink&oid=27011434&loc=d3e125687-122742

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- References

No definition available.

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