Consolidated Balance Sheet (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Accounts receivable - customers, allowance for uncollectible accounts	$ 79	$ 85
Other receivables, allowance for uncollectible accounts	11	11
Non-utility property, accumulated depreciation	105	95
Intangible assets, accumulated amortization	5	4
CECONY
Accounts receivable - customers, allowance for uncollectible accounts	75	80
Other receivables, allowance for uncollectible accounts	11	11
Non-utility property, accumulated depreciation	$ 25	$ 25