Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2015

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, 2015, 2014 and 2013 were as follows:

	CECONY
(Millions of Dollars)	2015	2014	2013
Cost of services provided	$99	$90	$84
Cost of services received	60	57	52