Pensions and Other Postemployment Benefits (Tables)

9 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Costs

The components of the consolidated net periodic cost for pensions and OPEB costs (including amounts capitalized) were as follows:

Components of Net Periodic Benefit Costs (Credits)	Pensions						OPEB
For the Three Months Ended September 30,	2012			2011			2012			2011
	(In millions)
Service cost	$	40		$	34		$	3		$	3
Interest cost	97			96			12			12
Expected return on plan assets	(121		)	(115		)	(9		)	(10		)
Amortization of prior service cost	3			4			(51		)	(51		)
Net periodic costs (credits)	$	19		$	19		$	(45	)	$	(46	)

Components of Net Periodic Benefit Costs (Credits)	Pensions						OPEB
For the Nine Months Ended September 30,	2012			2011			2012			2011
	(In millions)
Service cost	$	120		$	97		$	9		$	9
Interest cost	291			276			36			35
Expected return on plan assets	(363		)	(332		)	(27		)	(30		)
Amortization of prior service cost	9			12			(153		)	(150		)
Other adjustments (settlements, curtailments, etc)	—			7			—			—
Net periodic costs (credits)	$	57		$	60		$	(135	)	$	(136	)

Components of Net Periodic Benefit Costs Allocated to Subsidiaries

Pension and OPEB obligations are allocated to the FE subsidiaries that employ the plan participants. The net periodic pension and OPEB costs (net of amounts capitalized) recognized in earnings by FE and its subsidiaries were as follows:

Net Periodic Benefit Costs (Credits)	Pensions						OPEB
For the Three Months Ended September 30,	2012			2011			2012			2011
	(In millions)
FirstEnergy	$	14		$	14		$	(30	)	$	(31	)
FES	12			7			(8		)	(8		)
OE	(1		)	(2		)	(5		)	(5		)
JCP&L	(2		)	(3		)	(3		)	(2		)

Net Periodic Benefit Costs (Credits)	Pensions						OPEB
For the Nine Months Ended September 30,	2012			2011			2012			2011
	(In millions)
FirstEnergy	$	41		$	48		$	(92	)	$	(97	)
FES	33			21			(24		)	(24		)
OE	(3		)	(6		)	(16		)	(16		)
JCP&L	(5		)	(8		)	(7		)	(7		)