Schedule II Valuation And Qualifying Accounts

12 Months Ended

Dec. 31, 2011

Schedule II Valuation And Qualifying Accounts [Abstract]

Schedule II Valuation And Qualifying Accounts

Schedule II

Valuation and Qualifying Accounts

For the Years Ended December 31, 2011, 2010 and 2009

				COLUMN C Additions
Company	COLUMN A Description		COLUMN B Balance at Beginning of Period	(1) Charged To Costs And Expenses	(2) Charged To Other Accounts		COLUMN D Deductions(b)	COLUMN E Balance At End of Period
	(millions of dollars)
Con Edison		Allowance for uncollectible accounts(a):
		2011	$84	$99		—	$86	$97
		2010	$75	$91		—	$82	$84
		2009	$64	$98		—	$87	$75
CECONY		Allowance for uncollectible accounts(a):
		2011	$75	$91		—	$78	$88
		2010	$67	$82		—	$74	$75
		2009	$56	$93		—	$82	$67

(a) This is a valuation account deducted in the balance sheet from the assets (Accounts receivable-customers) to which they apply.

(b) Accounts written off less cash collections, miscellaneous adjustments and amounts reinstated as receivables previously written off.