Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Accounts receivable - customers, allowance for uncollectible accounts	$ 317	$ 148
Other receivables, allowance for uncollectible accounts	22	7
Non-utility property, accumulated depreciation	626	522
Intangible assets, accumulated amortization	297	228
CECONY
Accounts receivable - customers, allowance for uncollectible accounts	304	138
Other receivables, allowance for uncollectible accounts	19	4
Non-utility property, accumulated depreciation	$ 25	$ 25