Material Contingencies (Tables)

12 Months Ended

Dec. 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 other agreements at December 31, 2021 is as follows:

Guarantee Type	0 – 3 years	4 – 10 years	> 10 years	Total
	(Millions of Dollars)
Con Edison Transmission	$490	$—	$—	$490
Energy transactions	469	37	325	831
Renewable electric projects	319	51	396	766
Other	70	—	—	70
Total	$1,348	$88	$721	$2,157