Financial Information by Business Segment (Tables)

3 Months Ended

Mar. 31, 2017

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/(loss)
(Millions of Dollars)	2017	2016	2017		2016		2017	2016	2017	2016
CECONY
Electric	$1,793	$1,773	$5		$4		$229	$213	$292	$273
Gas	765	601	1		1		44	38	292	253
Steam	298	258	18		22		21	21	121	114
Consolidation adjustments	—	—	(24)		(27)		—	—	—	—
Total CECONY	$2,856	$2,632		$—		$—	$294	$272	$705	$640
O&R
Electric	$141	$140		$—		$—	$12	$12	$14	$18
Gas	97	75	—		—		5	5	39	35
Total O&R	$238	$215		$—		$—	$17	$17	$53	$53
Clean Energy Businesses	$136	$310		$—	$6		$17	$9	$15	$(51)
Con Edison Transmission	—	—	—		—		—	—	(3)	—
Other (a)	(2)	(1)	—		(6)		1	(1)	1	—
Total Con Edison	$3,228	$3,156		$—		$—	$329	$297	$771	$642

(a) Parent company and consolidation adjustments. Other does not represent a business segment.