Consolidated Balance Sheet (Unaudited) (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Accounts receivable - customers, allowance for uncollectible accounts	$ 67	$ 62
Other receivables, allowance for uncollectible accounts	5	5
Non-utility property, accumulated depreciation	357	275
Intangible assets, accumulated amortization	103	29
CECONY
Accounts receivable - customers, allowance for uncollectible accounts	62	57
Other receivables, allowance for uncollectible accounts	3	3
Non-utility property, accumulated depreciation	$ 25	$ 25