Other Material Contingencies (Tables)

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Summary of Total Guarantees

A summary, by type and term, of Con Edison’s total guarantees under these other agreements at September 30, 2018 is as follows:

Guarantee Type	0 – 3 years	4 – 10 years	> 10 years		Total
	(Millions of Dollars)
Con Edison Transmission	$744	$404		$—	$1,148
Energy transactions	434	24	201		659
Renewable electric production projects	93	—	21		114
Other	70	—	—		70
Total	$1,341	$428	$222		$1,991