Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net income	$ 1,101	$ 1,343	$ 1,382
Net Income	1,144	1,440	1,382
INCOME ATTRIBUTABLE TO NON-CONTROLLING INTEREST	(43)	(97)	0
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES
Pension and other postretirement benefit plan liability adjustments, net of taxes	(6)	(5)	10
Other income, net of taxes	0	2	0
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES	(6)	(3)	10
COMPREHENSIVE INCOME	1,095	1,340	1,392
CECONY
Net income	1,185	1,250	1,196
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES
Pension and other postretirement benefit plan liability adjustments, net of taxes	(1)	(3)	1
Other income, net of taxes	0	2	0
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES	(1)	(1)	1
COMPREHENSIVE INCOME	$ 1,184	$ 1,249	$ 1,197