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Segment Information (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Segment Financial Information

Segment Financial Information

For the Three Months Ended		Regulated Distribution				Regulated Transmission				Competitive Energy Services				Corporate/ Other				Reconciling Adjustments				Consolidated
		(In millions)
March 31, 2017
External revenues		$	2,490			$	313			$	814			$	—			$	(65	)		$	3,552
Internal revenues		—				—				117				—				(117		)		—
Total revenues		2,490				313				931				—				(182		)		3,552
Depreciation		178				51				28				18				—				275
Amortization of regulatory assets, net		57				2				—				—				—				59
Investment income		14				—				20				3				(13		)		24
Interest expense		138				39				45				65				—				287
Income taxes (benefits)		138				52				(35		)		(29		)		—				126
Net income (loss)		237				88				(67		)		(53		)		—				205
Total assets		27,826				8,938				5,811				637				—				43,212
Total goodwill		5,004				614				—				—				—				5,618
Property additions		264				224				92				8				—				588
March 31, 2016
External revenues		$	2,510			$	286			$	1,152			$	—			$	(79	)		$	3,869
Internal revenues		—				—				152				—				(152		)		—
Total revenues		2,510				286				1,304				—				(231		)		3,869
Depreciation		167				45				102				15				—				329
Amortization of regulatory assets, net		59				2				—				—				—				61
Investment income		11				—				15				11				(9		)		28
Interest expense		150				40				47				51				—				288
Income taxes (benefits)		94				47				85				(13		)		—				213
Net income (loss)		158				81				144				(55		)		—				328
Total assets		27,447				8,139				16,578				531				—				52,695
Total goodwill		5,004				614				800				—				—				6,418
Property additions		241				279				169				9				—				698

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599

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- References

No definition available.

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