Consolidated Balance Sheet (Unaudited) (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Accounts receivable - customers, allowance for uncollectible accounts	$ 118	$ 70
Other receivables, allowance for uncollectible accounts	6	4
Non-utility property, accumulated depreciation	489	391
Intangible assets, accumulated amortization	203	126
CECONY
Accounts receivable - customers, allowance for uncollectible accounts	110	65
Other receivables, allowance for uncollectible accounts	4	3
Non-utility property, accumulated depreciation	$ 25	$ 25