Financial Information By Business Segment (Tables)

12 Months Ended

Dec. 31, 2011

Financial Information By Business Segment [Abstract]

Financial Data For The Business Segments

As of and for the Year Ended December 31, 2011 (millions of dollars)	Operating revenues			Inter-segment revenues			Depreciation and amortization		Operating income			Interest charges			Income tax expense		Total assets*		Construction expenditures
CECONY
Electric	$	8,280		$	12		$	656	$	1,695		$	414		$	481	$	27,123	$	1,354
Gas		1,521			5			110		295			78			43		5,518		335
Steam		683			79			63		93			42			43		2,577		89
Consolidation adjustments		—			(96	)		—		—			—			—		—		—
Total CECONY	$	10,484		$	—		$	829	$	2,083		$	534		$	567	$	35,218	$	1,778
O&R
Electric	$	641		$	—		$	35	$	81		$	20		$	21	$	1,755	$	79
Gas		214			—			13		33			12			9		722		32
Other*		—			—			—		—			2			—		8		—
Total O&R	$	855		$	—		$	48	$	114		$	34		$	30	$	2,485	$	111
Competitive energy businesses	$	1,617		$	13		$	7	$	46		$	(1	)	$	20	$	856	$	114
Other**		(18	)		(13	)		—		(4	)		27			—		655		—
Total Con Edison	$	12,938		$	—		$	884	$	2,239		$	594		$	617	$	39,214	$	2,003

As of and for the Year Ended December 31, 2010 (millions of dollars)		Operating revenues			Inter-segment revenues			Depreciation and amortization		Operating income			Interest charges			Income tax expense		Total assets*		Construction expenditures
CECONY
Electric	$	8,376		$	12		$	623	$	1,549		$	424		$	371	$	25,045	$	1,421
Gas		1,541			5			102		310			82			91		5,095		334
Steam		656			74			62		63			43			29		2,465		111
Consolidation adjustments		—			(91	)		—		—			—			—		—		—
Total CECONY	$	10,573		$	—		$	787	$	1,922		$	549		$	491	$	32,605	$	1,866
O&R
Electric	$	692		$	—		$	32	$	74		$	22		$	18	$	1,630	$	99
Gas		218			—			12		34			12			8		686		36
Other*		—			—			—		—			1			—		32		—
Total O&R	$	910		$	—		$	44	$	108		$	35		$	26	$	2,348	$	135
Competitive energy businesses	$	1,883		$	9		$	9	$	97		$	(3	)	$	37	$	828	$	28
Other**		(41	)		(9	)		—		(7	)		28			—		567		—
Total Con Edison	$	13,325		$	—		$	840	$	2,120		$	609		$	554	$	36,348	$	2,029

As of and for the Year Ended December 31, 2009 (millions of dollars)		Operating revenues			Inter-segment revenues			Depreciation and amortization		Operating income			Interest charges		Income tax expense		Total assets*		Construction expenditures
CECONY
Electric	$	7,674		$	12		$	587	$	1,368		$	425	$	300	$	23,309	$	1,596
Gas		1,701			5			98		309			82		90		4,796		339
Steam		661			73			59		39			46		12		2,356		122
Consolidation adjustments		—			(90	)		—		—			—		—		—		—
Total CECONY	$	10,036		$	—		$	744	$	1,716		$	553	$	402	$	30,461	$	2,057
O&R
Electric	$	648		$	—		$	30	$	64		$	18	$	15	$	1,525	$	85
Gas		242			—			12		28			9		7		627		42
Other*		—			—			—		—			2		—		35		—
Total O&R	$	890		$	—		$	42	$	92		$	29	$	22	$	2,187	$	127
Competitive energy businesses	$	2,147		$	—		$	5	$	93		$	—	$	31	$	751	$	10
Other**		(41	)		—			—		(3	)		29		—		445		—
Total Con Edison	$	13,032		$	—		$	791	$	1,899		$	611	$	455	$	33,844	$	2,194

* Includes amounts related to the RECO securitization.

** Parent company expenses, primarily interest, and consolidation adjustments. Other does not represent a business segment.