Other Material Contingencies (Tables)

12 Months Ended

Dec. 31, 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 December 31, 2018 is as follows:

Guarantee Type	0 – 3 years	4 – 10 years	> 10 years		Total
	(Millions of Dollars)
Con Edison Transmission	$742	$404		$—	$1,146
Energy transactions	462	20	201		683
Renewable electric production projects	137	—	403		540
Other	70	—	—		70
Total	$1,411	$424	$604		$2,439