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Summary Of Significant Accounting Policies (Policy)

9 Months Ended

Sep. 30, 2011

Summary Of Significant Accounting Policies [Abstract]

Earnings Per Common Share

For the three and nine months ended September 30, 2011 and 2010, Con Edison's basic and diluted EPS for Con Edison are calculated as follows:


	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
*(Millions of Dollars, except per share amounts/Shares in Millions)*	2011		2010		2011		2010
Net income for common stock	$	383	$	350	$	860	$	759
Weighted average common shares outstanding – Basic		292.9		283.0		292.5		282.2
Add: Incremental shares attributable to effect of potentially dilutive securities		1.7		1.6		1.7		1.5
Adjusted weighted average common shares outstanding – Diluted		294.6		284.6		294.2		283.7
Net income for common stock per common share – basic	$	1.31	$	1.24	$	2.94	$	2.69
Net income for common stock per common share – diluted	$	1.30	$	1.23	$	2.92	$	2.68

- Definition

Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.

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