Pension Benefits (Tables) (Pension benefits [Member])

6 Months Ended

Jun. 30, 2013

Pension benefits [Member]

Companies' Net Periodic Benefit Costs

The components of the Companies’ net periodic benefit costs for the three and six months ended June 30, 2013 and 2012 were as follows:

	For the Three Months Ended June 30,
	Con Edison						CECONY
(Millions of Dollars)	2013			2012			2013			2012
Service cost – including administrative expenses		$   67			$   59			$   62			$   55
Interest cost on projected benefit obligation		134			137			126			128
Expected return on plan assets		(187	)		(177	)		(178	)		(168	)
Recognition of net actuarial loss		208			177			197			168
Recognition of prior service costs		1			2			1			2
NET PERIODIC BENEFIT COST		$ 223			$ 198			$ 208			$ 185
Amortization of regulatory asset		1			1			1			1
TOTAL PERIODIC BENEFIT COST		$ 224			$ 199			$ 209			$ 186
Cost capitalized		(88	)		(68	)		(84	)		(63	)
Reconciliation to rate level		(30	)		3			(29	)		2
Cost charged to operating expenses		$ 106			$ 134			$   96			$ 125

	For the Six Months Ended June 30,
	Con Edison						CECONY
(Millions of Dollars)	2013			2012			2013			2012
Service cost – including administrative expenses		$ 133			$ 118			$ 124			$ 110
Interest cost on projected benefit obligation		268			274			252			257
Expected return on plan assets		(375	)		(352	)		(356	)		(335	)
Recognition of net actuarial loss		416			354			394			335
Recognition of prior service costs		3			4			2			3
NET PERIODIC BENEFIT COST		$ 445			$ 398			$ 416			$ 370
Amortization of regulatory asset		1			1			1			1
TOTAL PERIODIC BENEFIT COST		$ 446			$ 399			$ 417			$ 371
Cost capitalized		(170	)		(135	)		(163	)		(126	)
Reconciliation to rate level		(24	)		(32	)		(23	)		(36	)
Cost charged to operating expenses		$ 252			$ 232			$ 231			$ 209