Financial Information by Business Segment (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Financial Data for Business Segments

The financial data for the business segments are as follows:

As of and for the Year Ended December 31, 2016 (Millions of Dollars)	Operating revenues	Inter- segment revenues		Depreciation and amortization	Operating income	Other Income (deductions)		Interest charges	Income taxes on operating income (a)	Total assets	Capital expenditures
CECONY
Electric	$8,106	$17		$865	$1,847	$2		$459	$495	$30,708	$1,819
Gas	1,508	6		159	357	(1)		105	92	7,553	811
Steam	551	88		82	58	(1)		39	30	2,595	126
Consolidation adjustments	—	(111)		—	—	—		—	—	—	—
Total CECONY	$10,165		$—	$1,106	$2,262		$—	$603	$617	$40,856	$2,756
O&R
Electric	$637		$—	$49	$95	$1		$24	$30	$1,949	$114
Gas	184	—		18	35	—		12	10	809	52
Other	—	—		—	—	—		—	—	—	—
Total O&R	$821		$—	$67	$130	$1		$36	$40	$2,758	$166
Clean Energy Businesses	$1,091	$7		$42	$183	$21		$34	$53	$2,551	$1,235
Con Edison Transmission	—	—		—	(3)	43		6	—	1,150	1,078
Other (b)	(2)	(7)		1	3	(1)		17	4	940	—
Total Con Edison	$12,075		$—	$1,216	$2,575	$64		$696	$714	$48,255	$5,235

As of and for the Year Ended December 31, 2015 (Millions of Dollars)	Operating revenues	Inter- segment revenues		Depreciation and amortization	Operating income	Other Income (deductions)	Interest charges	Income taxes on operating income (a)	Total assets (c)	Capital expenditures
CECONY
Electric	$8,172	$18		$820	$1,798	$(2)	$447	$447	$30,603	$1,658
Gas	1,527	6		142	356	(2)	96	100	6,974	671
Steam	629	86		78	93	(1)	41	41	2,653	106
Consolidation adjustments	—	(110)		—	—	—	—	—	—	—
Total CECONY	$10,328		$—	$1,040	$2,247	$(5)	$584	$588	$40,230	$2,435
O&R
Electric	$663		$—	$50	$103	$(2)	$23	$31	$2,140	$114
Gas	182	—		18	18	(2)	12	2	579	46
Other	—	—		—	—	—	—	—	—	—
Total O&R	$845		$—	$68	$121	$(4)	$35	$33	$2,719	$160
Clean Energy Businesses	$1,383	$(2)		$22	$58	$35	$11	$22	$1,680	$823
Con Edison Transmission	—	—		—	—	—	—	—	3	—
Other (b)	(2)	2		—	1	(2)	23	1	1,010	—
Total Con Edison	$12,554		$—	$1,130	$2,427	$24	$653	$644	$45,642	$3,418

As of and for the Year Ended December 31, 2014 (Millions of Dollars)	Operating revenues	Inter- segment revenues		Depreciation and amortization	Operating income	Other Income (deductions)	Interest charges	Income taxes on operating income (a)	Total assets (c)	Capital expenditures
CECONY
Electric	$8,437	$16		$781	$1,712	$8	$412	$425	$30,295	$1,500
Gas	1,721	6		132	314	2	89	88	6,478	549
Steam	628	84		78	113	1	36	49	2,670	83
Consolidation adjustments	—	(106)		—	—	—	—	—	—	—
Total CECONY	$10,786		$—	$991	$2,139	$11	$537	$562	$39,443	$2,132
O&R
Electric	$680		$—	$46	$103	$3	$24	$29	$2,023	$105
Gas	212	—		15	25	—	10	6	786	37
Other	—	—		—	—	—	1	—	1	—
Total O&R	$892		$—	$61	$128	$3	$35	$35	$2,810	$142
Clean Energy Businesses	$1,244	$(10)		$19	$(60)	$28	$(8)	$(8)	$1,013	$447
Con Edison Transmission	—	—		—	—	—	—	—	1	—
Other (b)	(3)	10		—	2	—	27	—	804	—
Total Con Edison	$12,919		$—	$1,071	$2,209	$42	$591	$589	$44,071	$2,721

(a) For Con Edison, the income tax expense on non-operating income was $16 million, $40 million and $21 million in 2016, 2015 and 2014, respectively. For CECONY, the income tax expense on non-operating income was $14 million, $14 million and $7 million in 2016, 2015 and 2014, respectively.

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

(c) Reflects $237 million in 2014, related to the adoption of ASU No. 2015-03, “Interest - Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs” and ASU No. 2015-17, “Income Taxes (Topic 740): Balance Sheet Classification of Deferred Taxes.” See Notes C and L.