Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Stock-Based Compensation

	Con Edison						CECONY
(millions of dollars)	2011		2010		2009		2011		2010		2009
Restricted stock units	$	3	$	1	$	1	$	3	$	1	$	1
Performance-based restricted stock		48		27		20		44		25		19
Non-officer director deferred stock compensation		1		1		1		1		1		1
Total	$	52	$	29	$	22	$	48	$	27	$	21
Income Tax Benefit	$	21	$	12	$	9	$	20	$	11	$	9

Summary Of Status In Stock Options Awarded

	Con Edison					CECONY
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Outstanding at 12/31/10		2,935,250		$	43.588		2,406,700		$	43.652
Exercised		(1,999,975	)		43.844		(1,656,575	)		43.924
Forfeited		(8,250	)		42.253		(9,250	)		41.766
Outstanding at 12/31/11		927,025		$	43.046		740,875		$	43.066

Summary Of Stock Options Outstanding

	Con Edison						CECONY
Plan Year	Remaining Contractual Life		Options Outstanding/ Exercisable		Weighted Average Exercise Price		Options Outstanding/ Exercisable		Weighted Average Exercise Price
2006		4		323,950	$	44.178		266,250	$	44.211
2005		3		239,975		42.328		195,975		42.361
2004		2		216,600		44.018		161,650		44.029
2003		1		82,450		38.555		65,450		38.577
2002		1		64,050		42.510		51,550		42.510
Total				927,025	$	43.046		740,875	$	43.066

Assumptions Used To Calculate Fair Value

	2011
Risk-free interest rate		0.12% – 3.73	%
Expected term		3 years
Expected volatility		16.37%

TSR Portion [Member]

Summary Of Changes In The Status Of Performance RSU's

	Con Edison					CECONY
	Units			Weighted Average Grant Date Fair Value*		Units			Weighted Average Grant Date Fair Value*
Non-vested at 12/31/10		494,188		$	37.844		407,861		$	37.755
Granted		217,735			43.847		177,077			43.923
Vested		(210,763	)		33.256		(174,712	)		33.070
Forfeited		(26,643	)		40.083		(22,847	)		40.205
Non-vested at 12/31/11		474,517		$	42.511		387,379		$	42.542

* Fair value is determined using the Monte Carlo simulation described above. Weighted average grant date fair value does not reflect any accrual or payment of dividends prior to vesting.

EIP Portion [Member]

Summary Of Changes In The Status Of Performance RSU's

	Con Edison					CECONY
	Units			Weighted Average Grant Date Fair Value*		Units			Weighted Average Grant Date Fair Value*
Non-vested at 12/31/10		494,188		$	42.591		407,861		$	42.525
Granted		217,735			50.053		177,077			50.073
Vested		(210,763	)		40.926		(174,712	)		40.894
Forfeited		(26,643	)		44.288		(22,847	)		44.415
Non-vested at 12/31/11		474,517		$	46.660		387,379		$	46.599

* Fair value is determined using the market price of one share of Con Edison common stock on the grant date. The market price has not been discounted to reflect that dividends do not accrue and are not payable on Performance RSUs until vesting.

Restricted Stock Units [Member]

Summary Of Changes In The Status Of Restricted Stock

	Con Edison					CECONY
	Units			Weighted Average Grant Date Fair Value		Units			Weighted Average Grant Date Fair Value
Non-vested at 12/31/10		66,359		$	41.334		62,959		$	41.332
Granted		22,620			50.720		21,420			50.720
Vested		(21,403	)		39.705		(20,353	)		39.706
Forfeited		(2,156	)		43.276		(2,106	)		43.246
Non-vested at 12/31/11		65,420		$	45.049		61,920		$	45.049