Consolidated Statements of Income (FirstEnergy Corp.) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
REVENUES:
Electric utilities	$ 2,221		$ 2,323		$ 4,609		$ 4,863
Unregulated businesses	1,298		1,432		2,639		2,882
Total revenues	3,519	[1]	3,755	[1]	7,248	[1]	7,745	[1]
OPERATING EXPENSES:
Fuel	628		656		1,258		1,197
Purchased power	862		1,042		1,805		2,301
Other operating expenses	887		921		1,771		1,739
Provision for depreciation	302		285		596		564
Amortization of regulatory assets, net	72		62		131		137
General taxes	241		232		506		504
Impairment of long-lived assets	473		0		473		0
Total operating expenses	3,465		3,198		6,540		6,442
OPERATING INCOME (LOSS)	54		557		708		1,303
OTHER INCOME (EXPENSE):
Loss on debt redemptions	(24)		0		(141)		0
Investment income (loss)	(15)		13		3		24
Interest expense	(256)		(274)		(514)		(520)
Capitalized interest	19		19		34		36
Total other income (expense)	(276)		(242)		(618)		(460)
INCOME (LOSSES) BEFORE INCOME TAXES	(222)		315		90		843
INCOME TAXES (BENEFITS)	(58)		127		58		349
NET INCOME (LOSS)	(164)		188		32		494
Income attributable to noncontrolling interest	0		1		0		1
EARNINGS (LOSSES) AVAILABLE TO FIRSTENERGY CORP.	$ (164)		$ 187		$ 32		$ 493
EARNINGS PER SHARE OF COMMON STOCK:
Basic, in dollars per share	$ (0.39)		$ 0.45		$ 0.08		$ 1.18
Diluted, in dollars per share	$ (0.39)		$ 0.45		$ 0.08		$ 1.18
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING:
Basic, in shares	418		417		418		418
Diluted, in shares	418		419		419		419
DIVIDENDS DECLARED PER SHARE OF COMMON STOCK	$ 0		$ 0		$ 0.55		$ 0.55

[1] Includes excise tax collections of $107 million in each of the three month periods ended June 30, 2013 and 2012 and $229 million and $228 million in the six months ended June 30, 2013 and 2012, respectively.