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Segment Information (Tables)

9 Months Ended

Sep. 30, 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)
September 30, 2017
External revenues		$	2,610			$	342			$	796			$	—			$	(34	)		$	3,714
Internal revenues		—				—				93				—				(93		)		—
Total revenues		2,610				342				889				—				(127		)		3,714
Depreciation		183				59				30				17				—				289
Amortization of regulatory assets, net		85				6				—				—				—				91
Impairment of assets (Note 14)		—				13				18				—				—				31
Investment income		13				—				34				3				(13		)		37
Interest expense		133				38				44				90				—				305
Income taxes (benefits)		183				49				40				(33		)		—				239
Net income (loss)		314				84				66				(68		)		—				396
Total assets		27,866				9,356				5,814				613				—				43,649
Total goodwill		5,004				614				—				—				—				5,618
Property additions		286				248				45				14				—				593
September 30, 2016
External revenues		$	2,691			$	294			$	998			$	—			$	(66	)		$	3,917
Internal revenues		—				—				117				—				(117		)		—
Total revenues		2,691				294				1,115				—				(183		)		3,917
Depreciation		169				47				79				16				—				311
Amortization of regulatory assets, net		98				—				—				—				—				98
Investment income		13				—				23				2				(10		)		28
Interest expense		143				39				48				56				—				286
Income taxes (benefits)		162				50				49				(10		)		—				251
Net income (loss)		276				85				86				(67		)		—				380
Total assets		27,818				8,492				15,165				486				—				51,961
Total goodwill		5,004				614				—				—				—				5,618
Property additions		281				268				110				5				—				664
For the Nine Months Ended
September 30, 2017
External revenues		$	7,362			$	982			$	2,388			$	—			$	(157	)		$	10,575
Internal revenues		—				—				296				—				(296		)		—
Total revenues		7,362				982				2,684				—				(453		)		10,575
Depreciation		540				164				87				54				—				845
Amortization of regulatory assets, net		204				11				—				—				—				215
Impairment of assets (Note 14)		—				13				149				—				—				162
Investment income		41				—				66				8				(37		)		78
Interest expense		405				116				136				225				—				882
Income taxes (benefits)		442				154				(25		)		(89		)		—				482
Net income (loss)		756				264				(57		)		(188		)		—				775
Property additions		854				717				233				43				—				1,847
September 30, 2016
External revenues		$	7,390			$	851			$	3,158			$	—			$	(212	)		$	11,187
Internal revenues		—				—				377				—				(377		)		—
Total revenues		7,390				851				3,535				—				(589		)		11,187
Depreciation		504				138				284				48				—				974
Amortization of regulatory assets, net		218				4				—				—				—				222
Impairment of assets (Note 14)		—				—				1,447				—				—				1,447
Investment income		37				—				56				13				(31		)		75
Interest expense		441				118				143				161				—				863
Income taxes (benefits)		336				143				(96		)		(49		)		—				334
Net income (loss)		573				244				(1,029		)		(169		)		—				(381		)
Property additions		809				824				492				31				—				2,156

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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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