Financial Information by Business Segment (Tables)

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

Financial Data for Business Segments

The financial data for the business segments are as follows:

	For the Three Months Ended March 31,
	Operating revenues		Inter-segment revenues				Depreciation and amortization		Operating income
(Millions of Dollars)	2016	2015	2016		2015		2016	2015	2016	2015
CECONY
Electric	$1,773	$1,980	$4		$4		$213	$202	$273	$279
Gas	601	655	1		1		38	35	253	241
Steam	258	375	22		22		21	20	114	164
Consolidation adjustments	—	—	(27)		(27)		—	—	—	—
Total CECONY	$2,632	$3,010		$—		$—	$272	$257	$640	$684
O&R
Electric	$140	$156		$—		$—	$12	$12	$18	$18
Gas	75	77	—		—		5	5	35	27
Total O&R	$215	$233		$—		$—	$17	$17	$53	$45
Competitive energy businesses	$310	$374	$6		$(3)		$9	$5	$(51)	$(3)
Other (a)	(1)	(1)	(6)		3		(1)	—	—	—
Total Con Edison	$3,156	$3,616		$—		$—	$297	$279	$642	$726

(a) Parent company, consolidation adjustments and Con Edison Transmission. Other does not represent a business segment.