Other Material Contingencies (Tables)

3 Months Ended

Mar. 31, 2021

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, 2021 is as follows:

Guarantee Type	0 – 3 years	4 – 10 years	> 10 years	Total
	(Millions of Dollars)
Con Edison Transmission	$393	$177	$—	$570
Energy transactions	455	52	308	815
Renewable electric production projects	392	48	356	796
Other	70	—	—	70
Total	$1,310	$277	$664	$2,251