Financial Information by Business Segment (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Financial Data for Business Segments

The financial data for the business segments for the three and nine months ended September 30, 2018 and 2017 were as follows:

	For the Three Months Ended September 30,
	Operating revenues		Inter-segment revenues				Depreciation and amortization		Operating income/(loss)
(Millions of Dollars)	2018	2017	2018		2017		2018	2017	2018	2017
CECONY
Electric	$2,571	$2,469	$4		$4		$248	$232	$850	$883
Gas	264	268	2		2		52	47	(34)	(6)
Steam	64	62	19		19		22	21	(52)	(41)
Consolidation adjustments	—	—	(25)		(25)		—	—	—	—
Total CECONY	$2,899	$2,799		$—		$—	$322	$300	$764	$836
O&R
Electric	$212	$206		$—		$—	$14	$13	$52	$60
Gas	34	28	—		—		5	5	(10)	(10)
Total O&R	$246	$234		$—		$—	$19	$18	$42	$50
Clean Energy Businesses	$181	$177		$—		$—	$18	$19	$25	$29
Con Edison Transmission	1	1	—		—		—	—	(2)	(2)
Other (a)	1	—	—		—		1	—	(3)	1
Total Con Edison	$3,328	$3,211		$—		$—	$360	$337	$826	$914

	For the Nine Months Ended September 30,
	Operating revenues		Inter-segment revenues				Depreciation and amortization		Operating income/(loss)
(Millions of Dollars)	2018	2017	2018		2017		2018	2017	2018	2017
CECONY
Electric	$6,107	$6,079	$12		$12		$732	$690	$1,421	$1,561
Gas	1,540	1,421	6		5		152	137	369	379
Steam	474	448	56		55		65	64	60	59
Consolidation adjustments	—	—	(74)		(72)		—	—	—	—
Total CECONY	$8,121	$7,948		$—		$—	$949	$891	$1,850	$1,999
O&R
Electric	$505	$495		$—		$—	$41	$38	$79	$94
Gas	186	172	—		—		16	15	31	37
Total O&R	$691	$667		$—		$—	$57	$53	$110	$131
Clean Energy Businesses	573	460	—		—		55	54	59	63
Con Edison Transmission	3	1	—		—		1	—	(5)	(6)
Other (a)	—	(4)	—		—		(1)	—	(7)	2
Total Con Edison	$9,388	$9,072		$—		$—	$1,061	$998	$2,007	$2,189

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