Other Material Contingencies (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Summary of Total Guarantees

A summary, by type and term, of Con Edison’s total guarantees under these agreements at March 31, 2019 is as follows:

Guarantee Type	0 – 3 years	4 – 10 years	> 10 years		Total
	(Millions of Dollars)
Con Edison Transmission	$539	$337		$—	$876
Energy transactions	490	19	200		709
Renewable electric production projects	142	—	402		544
Other	70	—	—		70
Total	$1,241	$356	$602		$2,199