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Segment Information (Tables)

9 Months Ended

Sep. 30, 2016

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)
September 30, 2016
External revenues		$	2,702			$	285			$	998			$	—			$	(68	)		$	3,917
Internal revenues		—				—				117				—				(117		)		—
Total revenues		2,702				285				1,115				—				(185		)		3,917
Depreciation		171				45				79				16				—				311
Amortization of regulatory assets, net		98				—				—				—				—				98
Investment income		13				—				23				2				(10		)		28
Interest expense		139				43				48				56				—				286
Income taxes (benefits)		167				45				49				(11		)		1				251
Net income (loss)		283				78				86				(67		)		—				380
Total assets		28,276				8,034				15,165				486				—				51,961
Total goodwill		5,092				526				—				—				—				5,618
Property additions		303				246				110				5				—				664
September 30, 2015
External revenues		$	2,624			$	248			$	1,327			$	—			$	(76	)		$	4,123
Internal revenues		—				—				141				—				(141		)		—
Total revenues		2,624				248				1,468				—				(217		)		4,123
Depreciation		174				41				98				15				—				328
Amortization of regulatory assets, net		110				—				—				—				—				110
Impairment of assets		8				—				—				—				—				8
Investment income (loss)		8				—				(19		)		(6		)		(11		)		(28		)
Interest expense		149				40				48				48				—				285
Income taxes (benefits)		137				41				84				(39		)		3				226
Net income (loss)		234				70				145				(54		)		—				395
Total assets		27,883				6,988				16,229				830				—				51,930
Total goodwill		5,092				526				800				—				—				6,418
Property additions		292				149				83				15				—				539
For the Nine Months Ended
September 30, 2016
External revenues		$	7,423			$	824			$	3,158			$	—			$	(218	)		$	11,187
Internal revenues		—				—				377				—				(377		)		—
Total revenues		7,423				824				3,535				—				(595		)		11,187
Depreciation		510				132				284				48				—				974
Amortization of regulatory assets, net		218				4				—				—				—				222
Impairment of assets (Note 2)		—				—				1,447				—				—				1,447
Investment income		37				—				56				13				(31		)		75
Interest expense		431				128				143				161				—				863
Income taxes (benefits)		349				130				(96		)		(51		)		2				334
Net income (loss)		594				223				(1,029		)		(169		)		—				(381		)
Property additions		878				755				492				31				—				2,156
September 30, 2015
External revenues		$	7,425			$	755			$	3,536			$	—			$	(231	)		$	11,485
Internal revenues		—				—				563				—				(563		)		—
Total revenues		7,425				755				4,099				—				(794		)		11,485
Depreciation		516				116				293				44				—				969
Amortization of regulatory assets, net		196				5				—				—				—				201
Impairment of assets		8				—				16				—				—				24
Investment income (loss)		33				—				(7		)		(9		)		(31		)		(14		)
Interest expense		439				119				144				144				—				846
Income taxes (benefits)		350				135				76				(84		)		8				485
Net income (loss)		598				231				129				(154		)		—				804
Property additions		884				700				400				41				—				2,025

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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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