Consolidated Income Statement  - CECONY - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
OPERATING REVENUES
TOTAL OPERATING REVENUES	$ 14,663	$ 15,670	$ 13,676
OPERATING EXPENSES
Depreciation and amortization	2,031	2,056	2,032
Taxes, other than income taxes	3,043	3,005	2,810
TOTAL OPERATING EXPENSES	12,332	13,046	10,850
Operating income	3,196	2,624	2,826
OTHER INCOME (DEDUCTIONS)
Investment income (loss)	62	20	(420)
Allowance for equity funds used during construction	26	19	21
Other deductions	(92)	(115)	(161)
TOTAL OTHER INCOME (DEDUCTIONS)	830	326	(538)
INCOME BEFORE INTEREST AND INCOME TAX EXPENSE	4,026	2,950	2,288
INTEREST EXPENSE (INCOME)
Interest on long-term debt	962	987	930
Other interest expense (income)	113	(99)	(14)
Allowance for borrowed funds used during construction	(52)	(36)	(11)
NET INTEREST EXPENSE	1,023	852	905
INCOME BEFORE INCOME TAX EXPENSE	3,003	2,098	1,383
INCOME TAX EXPENSE	487	498	190
NET INCOME FOR COMMON STOCK	2,519	1,660	1,346
CECONY
OPERATING REVENUES
TOTAL OPERATING REVENUES	13,476	13,268	11,716
OPERATING EXPENSES
Depreciation and amortization	1,924	1,778	1,705
Taxes, other than income taxes	2,946	2,887	2,696
TOTAL OPERATING EXPENSES	11,299	11,133	9,256
Operating income	2,177	2,135	2,460
OTHER INCOME (DEDUCTIONS)
Investment income (loss)	759	376	16
Allowance for equity funds used during construction	22	18	19
Other deductions	(49)	(62)	(143)
TOTAL OTHER INCOME (DEDUCTIONS)	732	332	(108)
INCOME BEFORE INTEREST AND INCOME TAX EXPENSE	2,909	2,467	2,352
INTEREST EXPENSE (INCOME)
Interest on long-term debt	886	808	759
Other interest expense (income)	108	47	13
Allowance for borrowed funds used during construction	(49)	(33)	(10)
NET INTEREST EXPENSE	945	822	762
INCOME BEFORE INCOME TAX EXPENSE	1,964	1,645	1,590
INCOME TAX EXPENSE	358	255	246
NET INCOME FOR COMMON STOCK	1,606	1,390	1,344
Electric
OPERATING REVENUES
TOTAL OPERATING REVENUES	10,835	10,522	9,485
Electric | CECONY
OPERATING REVENUES
TOTAL OPERATING REVENUES	10,078	9,751	8,806
Gas
OPERATING REVENUES
TOTAL OPERATING REVENUES	3,127	3,237	2,638
OPERATING EXPENSES
Operating costs	829	1,245	690
Gas | CECONY
OPERATING REVENUES
TOTAL OPERATING REVENUES	2,829	2,924	2,378
OPERATING EXPENSES
Operating costs	677	869	541
Steam
OPERATING REVENUES
TOTAL OPERATING REVENUES	569	593	532
Steam | CECONY
OPERATING REVENUES
TOTAL OPERATING REVENUES	569	593	532
Purchased power
OPERATING EXPENSES
Operating costs	2,541	2,479	1,835
Purchased power | CECONY
OPERATING EXPENSES
Operating costs	2,294	2,201	1,633
Fuel
OPERATING EXPENSES
Operating costs	282	356	229
Fuel | CECONY
OPERATING EXPENSES
Operating costs	282	356	229
Other operations and maintenance
OPERATING EXPENSES
Operating costs	3,606	3,905	3,254
Other operations and maintenance | CECONY
OPERATING EXPENSES
Operating costs	3,176	3,042	2,452
Non-utility
OPERATING REVENUES
TOTAL OPERATING REVENUES	$ 132	$ 1,318	$ 1,021