Other Material Contingencies (Tables)

12 Months Ended

Dec. 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 other agreements at December 31, 2019 is as follows:

Guarantee Type	0 – 3 years	4 – 10 years	> 10 years		Total
	(Millions of Dollars)
Con Edison Transmission	$387	$186		$—	$573
Energy transactions	419	51	209		679
Renewable electric production projects	70	9	431		510
Other	69	—	—		69
Total	$945	$246	$640		$1,831