Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2014

Related Party Transactions [Abstract]

Summary of Costs of Administrative and Other Services Provided and Received

The costs of administrative and other services provided by CECONY to, and received by it from, Con Edison and its other subsidiaries for the years ended December 31, 2014, 2013 and 2012 were as follows:

	CECONY
(Millions of Dollars)	2014		2013		2012
Cost of services provided	$	90	$	84	$	83
Cost of services received	$	57	$	52	$	49