Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Accounts receivable - customers, allowance for uncollectible accounts	$ 70	$ 62
Other receivables, allowance for uncollectible accounts	4	5
Non-utility property, accumulated depreciation	391	275
Intangible assets, accumulated amortization	126	29
CECONY
Accounts receivable - customers, allowance for uncollectible accounts	65	57
Other receivables, allowance for uncollectible accounts	3	3
Non-utility property, accumulated depreciation	$ 25	$ 25