Consolidated Balance Sheet (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Accounts receivable - customers, allowance for uncollectible accounts	$ 75	$ 70
Other receivables, allowance for uncollectible accounts	5	4
Non-utility property, accumulated depreciation	423	391
Intangible assets, accumulated amortization	152	126
CECONY
Accounts receivable - customers, allowance for uncollectible accounts	70	65
Other receivables, allowance for uncollectible accounts	3	3
Non-utility property, accumulated depreciation	$ 25	$ 25