Consolidated Income Statement (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
OPERATING REVENUES
Total operating revenues	$ 3,677	$ 3,234
OPERATING EXPENSES
Depreciation and amortization	497	470
Taxes, other than income taxes	704	638
TOTAL OPERATING EXPENSES	2,817	2,426
OPERATING INCOME	860	808
OTHER INCOME (DEDUCTIONS)
Investment and other income	(161)	26
Other income	6	2
Allowance for equity funds used during construction	5	5
Other deductions	(36)	(72)
TOTAL OTHER INCOME (DEDUCTIONS)	(186)	(39)
INCOME BEFORE INTEREST AND INCOME TAX EXPENSE	674	769
INTEREST EXPENSE
Interest on long-term debt	227	224
Other interest	(47)	101
Allowance for borrowed funds used during construction	(4)	(3)
NET INTEREST EXPENSE	176	322
INCOME BEFORE INCOME TAX EXPENSE	498	447
INCOME TAX EXPENSE	78	55
NET INCOME	420	392
Income attributable to non-controlling interest	1	17
NET INCOME FOR COMMON STOCK	$ 419	$ 375
Net income per common share - basic (dollars per share)	$ 1.23	$ 1.13
Net income per common share - diluted (dollars per share)	$ 1.22	$ 1.12
AVERAGE NUMBER OF SHARES OUTSTANDING-BASIC (shares)	342.2	333.6
AVERAGE NUMBER OF SHARES OUTSTANDING—DILUTED (shares)	343.0	334.6
Electric
OPERATING REVENUES
Total operating revenues	$ 2,113	$ 1,906
Gas
OPERATING REVENUES
Total operating revenues	1,076	931
OPERATING EXPENSES
Operating costs	296	232
Steam
OPERATING REVENUES
Total operating revenues	264	250
Non-utility
OPERATING REVENUES
Total operating revenues	224	147
Power
OPERATING EXPENSES
Operating costs	437	308
Fuel
OPERATING EXPENSES
Operating costs	93	78
Other operations and maintenance
OPERATING EXPENSES
Operating costs	790	700
CECONY
OPERATING REVENUES
Total operating revenues	3,205	2,854
OPERATING EXPENSES
Depreciation and amortization	415	390
Taxes, other than income taxes	674	607
TOTAL OPERATING EXPENSES	2,419	2,112
OPERATING INCOME	786	742
OTHER INCOME (DEDUCTIONS)
Investment and other income	4	2
Allowance for equity funds used during construction	5	4
Other deductions	(32)	(67)
TOTAL OTHER INCOME (DEDUCTIONS)	(23)	(61)
INCOME BEFORE INTEREST AND INCOME TAX EXPENSE	763	681
INTEREST EXPENSE
Interest on long-term debt	184	172
Other interest	4	11
Allowance for borrowed funds used during construction	(4)	(3)
NET INTEREST EXPENSE	184	180
INCOME BEFORE INCOME TAX EXPENSE	579	501
INCOME TAX EXPENSE	114	95
NET INCOME FOR COMMON STOCK	465	406
CECONY | Electric
OPERATING REVENUES
Total operating revenues	1,968	1,770
CECONY | Gas
OPERATING REVENUES
Total operating revenues	973	834
OPERATING EXPENSES
Operating costs	233	195
CECONY | Steam
OPERATING REVENUES
Total operating revenues	264	250
CECONY | Power
OPERATING EXPENSES
Operating costs	396	273
CECONY | Fuel
OPERATING EXPENSES
Operating costs	93	78
CECONY | Other operations and maintenance
OPERATING EXPENSES
Operating costs	$ 608	$ 569