Current Expected Credit Losses (Tables)

12 Months Ended

Dec. 31, 2023

Credit Loss [Abstract]

Rollforward of Allowance for Credit Losses

The table below presents a rollforward by major portfolio segment type for the years ended December 31, 2023, 2022 and 2021:

	For the Year Ended December 31,
	Con Edison						CECONY
	Accounts receivable - customers			Other receivables			Accounts receivable - customers			Other receivables
(Millions of Dollars)	2023	2022	2021	2023	2022	2021	2023	2022	2021	2023	2022	2021
Allowance for credit losses
Beginning Balance at January 1,	$322	$317	$148	$10	$22	$7	$314	$304	$138	$7	$19	$4
Recoveries	14	17	14	—	—	1	12	16	12	—	—	1
Write-offs	(138)	(103)	(91)	(5)	(6)	(2)	(131)	(94)	(86)	(3)	(4)	(1)
Reserve adjustments	162	91	246	8	(6)	16	158	88	240	5	(8)	15
Ending Balance December 31,	$360	$322	$317	$13	$10	$22	$353	$314	$304	$9	$7	$19