Other Material Contingencies (Tables)

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Summary of Total Guarantees

A summary, by type and term, of Con Edison’s total guarantees at September 30, 2017 is as follows:

Guarantee Type	0 – 3 years	4 – 10 years	> 10 years		Total
	(Millions of Dollars)
Con Edison Transmission	$643	$404		$—	$1,047
Energy transactions	459	30	211		700
Renewable electric production projects	268	—	19		287
Other	128	—	—		128
Total	$1,498	$434	$230		$2,162