Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
NET INCOME	$ 1,382	$ 1,525	$ 1,245
OTHER COMPREHENSIVE INCOME, NET OF TAXES
Pension and other postretirement benefit plan liability adjustments, net of taxes	10	1	7
TOTAL OTHER COMPREHENSIVE INCOME, NET OF TAXES	10	1	7
COMPREHENSIVE INCOME	1,392	1,526	1,252
CECONY
NET INCOME	1,196	1,104	1,056
OTHER COMPREHENSIVE INCOME, NET OF TAXES
Pension and other postretirement benefit plan liability adjustments, net of taxes	1	1	2
TOTAL OTHER COMPREHENSIVE INCOME, NET OF TAXES	1	1	2
COMPREHENSIVE INCOME	$ 1,197	$ 1,105	$ 1,058