Other Material Contingencies (Tables)

9 Months Ended

Sep. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Summary of Total Guarantees

A summary, by type and term, of amounts guaranteed by Con Edison and its subsidiaries under these agreements at September 30, 2021 is as follows:

Guarantee Type	0 – 3 years	4 – 10 years	> 10 years	Total
	(Millions of Dollars)
Con Edison Transmission	$547	$—	$—	$547
Energy transactions	475	33	323	831
Renewable electric production projects	320	64	378	762
Other	70	—	—	70
Total	$1,412	$97	$701	$2,210