Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Accounts receivable - customers, allowance for uncollectible accounts	$ 69	$ 85
Other receivables, allowance for uncollectible accounts	14	11
Non-utility property, accumulated depreciation	140	95
Intangible assets, accumulated amortization	6	4
CECONY
Accounts receivable - customers, allowance for uncollectible accounts	65	80
Other receivables, allowance for uncollectible accounts	13	11
Non-utility property, accumulated depreciation	$ 25	$ 25