Consolidated Income Statement (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
OPERATING REVENUES
Total operating revenues	$ 3,514	$ 3,364
OPERATING EXPENSES
Depreciation and amortization	413	348
Taxes, other than income taxes	605	570
TOTAL OPERATING EXPENSES	2,728	2,609
OPERATING INCOME	786	755
OTHER INCOME (DEDUCTIONS)
Investment income	24	20
Other income	11	6
Allowance for equity funds used during construction	3	4
Other deductions	(24)	(45)
TOTAL OTHER INCOME (DEDUCTIONS)	14	(15)
INCOME BEFORE INTEREST AND INCOME TAX EXPENSE	800	740
INTEREST EXPENSE
Interest on long-term debt	221	190
Other interest	29	7
Allowance for borrowed funds used during construction	(3)	(2)
NET INTEREST EXPENSE	247	195
INCOME BEFORE INCOME TAX EXPENSE	553	545
INCOME TAX EXPENSE	108	117
NET INCOME	445	428
Income attributable to non-controlling interest	21	0
Net income for common stock	$ 424	$ 428
Net income per common share - basic (dollars per share)	$ 1.31	$ 1.38
Net income per common share - diluted (dollars per share)	$ 1.31	$ 1.37
AVERAGE NUMBER OF SHARES OUTSTANDING-BASIC (shares)	322.5	310.4
AVERAGE NUMBER OF SHARES OUTSTANDING—DILUTED (shares)	323.4	311.6
Electric
OPERATING REVENUES
Total operating revenues	$ 1,941	$ 1,877
Gas
OPERATING REVENUES
Total operating revenues	1,034	939
OPERATING EXPENSES
Operating costs	442	378
Steam
OPERATING REVENUES
Total operating revenues	321	314
Non-utility
OPERATING REVENUES
Total operating revenues	218	234
Power
OPERATING EXPENSES
Operating costs	368	353
Fuel
OPERATING EXPENSES
Operating costs	106	124
Other operations and maintenance
OPERATING EXPENSES
Operating costs	794	836
CECONY
OPERATING REVENUES
Total operating revenues	3,039	2,884
OPERATING EXPENSES
Depreciation and amortization	334	310
Taxes, other than income taxes	575	539
TOTAL OPERATING EXPENSES	2,313	2,179
OPERATING INCOME	726	705
OTHER INCOME (DEDUCTIONS)
Investment income	9	5
Allowance for equity funds used during construction	3	3
Other deductions	(19)	(39)
TOTAL OTHER INCOME (DEDUCTIONS)	(7)	(31)
INCOME BEFORE INTEREST AND INCOME TAX EXPENSE	719	674
INTEREST EXPENSE
Interest on long-term debt	169	163
Other interest	17	5
Allowance for borrowed funds used during construction	(3)	(2)
NET INTEREST EXPENSE	183	166
INCOME BEFORE INCOME TAX EXPENSE	536	508
INCOME TAX EXPENSE	124	119
Net income for common stock	412	389
CECONY | Electric
OPERATING REVENUES
Total operating revenues	1,797	1,729
CECONY | Gas
OPERATING REVENUES
Total operating revenues	921	841
OPERATING EXPENSES
Operating costs	317	273
CECONY | Steam
OPERATING REVENUES
Total operating revenues	321	314
CECONY | Power
OPERATING EXPENSES
Operating costs	322	303
CECONY | Fuel
OPERATING EXPENSES
Operating costs	106	124
CECONY | Other operations and maintenance
OPERATING EXPENSES
Operating costs	$ 659	$ 630