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Acquisitions, Development and Divestures (Tables)
3 Months Ended
Mar. 31, 2016
Acquisitions, Development and Divestitures [Line Items]  
Components of Discontinued Operations

Following are the components of Discontinued Operations in the Statement of Income for the period ended March 31, 2015:

Operating revenues$944
Operating expenses767
Other Income (Expense) - net7
Interest expense (a)38
Income (loss) before income taxes146
Income tax expense (benefit)51
Income (Loss) from Discontinued Operations (net of income taxes)$95

(a) Includes interest associated with the Supply Segment with no additional allocation as the Supply segment was sufficiently capitalized.