Consolidated Income Statement (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
OPERATING REVENUES
Total operating revenues	$ 2,696	$ 2,633	$ 6,060	$ 5,861
OPERATING EXPENSES
Depreciation and amortization	354	332	702	662
Taxes, other than income taxes	540	511	1,110	1,052
TOTAL OPERATING EXPENSES	2,270	2,170	4,880	4,587
Gain on sale of retail electric supply business and solar electric production project	0	1	0	1
OPERATING INCOME	426	464	1,180	1,275
OTHER INCOME (DEDUCTIONS)
Investment income	36	34	57	53
Other income	6	3	11	9
Allowance for equity funds used during construction	3	2	7	5
Other deductions	(48)	(46)	(92)	(89)
TOTAL OTHER INCOME (DEDUCTIONS)	(3)	(7)	(17)	(22)
INCOME BEFORE INTEREST AND INCOME TAX EXPENSE	423	457	1,163	1,253
INTEREST EXPENSE
Interest on long-term debt	190	179	380	356
Other interest	9	3	16	7
Allowance for borrowed funds used during construction	(2)	(2)	(5)	(3)
NET INTEREST EXPENSE	197	180	391	360
INCOME BEFORE INCOME TAX EXPENSE	226	277	772	893
INCOME TAX EXPENSE	38	102	156	330
NET INCOME	$ 188	$ 175	$ 616	$ 563
Net income per common share-basic (dollars per share)	$ 0.60	$ 0.57	$ 1.98	$ 1.84
Net income per common share-diluted (dollars per share)	0.60	0.57	1.98	1.84
DIVIDENDS DECLARED PER COMMON SHARE (dollars per share)	$ 0.72	$ 0.69	$ 1.43	$ 1.38
AVERAGE NUMBER OF SHARES OUTSTANDING-BASIC (shares)	310.8	305.4	310.6	305.3
AVERAGE NUMBER OF SHARES OUTSTANDING—DILUTED (shares)	311.9	306.8	311.7	306.7
Electric
OPERATING REVENUES
Total operating revenues	$ 1,951	$ 1,965	$ 3,828	$ 3,899
Gas
OPERATING REVENUES
Total operating revenues	489	435	1,428	1,297
OPERATING EXPENSES
Operating costs	194	149	572	470
Steam
OPERATING REVENUES
Total operating revenues	96	88	410	385
Non-utility
OPERATING REVENUES
Total operating revenues	160	145	394	280
Power
OPERATING EXPENSES
Operating costs	388	408	742	793
Fuel
OPERATING EXPENSES
Operating costs	38	38	162	139
Other operations and maintenance
OPERATING EXPENSES
Operating costs	756	732	1,592	1,471
CECONY
OPERATING REVENUES
Total operating revenues	2,338	2,293	5,222	5,149
OPERATING EXPENSES
Depreciation and amortization	316	296	626	591
Taxes, other than income taxes	512	487	1,051	1,003
TOTAL OPERATING EXPENSES	1,956	1,870	4,135	3,986
OPERATING INCOME	382	423	1,087	1,163
OTHER INCOME (DEDUCTIONS)
Investment income	4	3	8	7
Allowance for equity funds used during construction	3	2	6	5
Other deductions	(42)	(40)	(81)	(78)
TOTAL OTHER INCOME (DEDUCTIONS)	(35)	(35)	(67)	(66)
INCOME BEFORE INTEREST AND INCOME TAX EXPENSE	347	388	1,020	1,097
INTEREST EXPENSE
Interest on long-term debt	162	151	324	301
Other interest	7	4	12	8
Allowance for borrowed funds used during construction	(2)	(1)	(4)	(3)
NET INTEREST EXPENSE	167	154	332	306
INCOME BEFORE INCOME TAX EXPENSE	180	234	688	791
INCOME TAX EXPENSE	31	91	150	309
NET INCOME	149	143	538	482
CECONY | Electric
OPERATING REVENUES
Total operating revenues	1,807	1,817	3,536	3,610
CECONY | Gas
OPERATING REVENUES
Total operating revenues	435	388	1,276	1,153
OPERATING EXPENSES
Operating costs	118	84	391	314
CECONY | Steam
OPERATING REVENUES
Total operating revenues	96	88	410	386
CECONY | Power
OPERATING EXPENSES
Operating costs	343	363	645	710
CECONY | Fuel
OPERATING EXPENSES
Operating costs	38	38	162	139
CECONY | Other operations and maintenance
OPERATING EXPENSES
Operating costs	$ 629	$ 602	$ 1,260	$ 1,229