Consolidated Statements of Income and Comprehensive Income (FirstEnergy Solutions Corp.) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
REVENUES:
Electric sales	$ 1,341		$ 1,450
Total revenues	3,729	[1]	3,990	[1]
OPERATING EXPENSES:
Fuel	630		541
Purchased power	943		1,259
Other operating expenses	884		818
Provision for depreciation	294		279
General taxes	265		272
Total operating expenses	3,075		3,244
OPERATING INCOME (LOSS)	654		746
OTHER INCOME (EXPENSE):
Loss on debt redemptions	(119)		0
Investment income	18		11
Interest expense	(256)		(246)
Capitalized interest	15		17
Total other income (expense)	(342)		(218)
Total before taxes	312		528
INCOME TAXES (BENEFITS)	116		222
Net of tax	196		306
STATEMENTS OF COMPREHENSIVE INCOME
NET INCOME	196		306
OTHER COMPREHENSIVE INCOME (LOSS):
Pension and OPEB prior service costs	(46)		(53)
Amortized gain (loss) on derivative hedges	1		(2)
Change in unrealized gain on available-for-sale securities	5		10
Other comprehensive income (loss)	(40)		(45)
Income taxes (benefits) on other comprehensive income (loss)	(16)		(24)
Net other comprehensive income (loss)	(24)		(21)
COMPREHENSIVE INCOME	172		285
FES
REVENUES:
Other	75		63
Total revenues	1,530		1,516
OPERATING EXPENSES:
Fuel	300		295
Other operating expenses	380		295
Provision for depreciation	76		63
General taxes	37		37
Total operating expenses	1,430		1,294
OPERATING INCOME (LOSS)	100		222
OTHER INCOME (EXPENSE):
Loss on debt redemptions	(73)		0
Investment income	17		6
Miscellaneous income	2		4
Capitalized interest	9		9
Total other income (expense)	(96)		(24)
Total before taxes	4		198
INCOME TAXES (BENEFITS)	2		76
Net of tax	2		122
STATEMENTS OF COMPREHENSIVE INCOME
NET INCOME	2		122
OTHER COMPREHENSIVE INCOME (LOSS):
Pension and OPEB prior service costs	(6)		(5)
Amortized gain (loss) on derivative hedges	(1)		(5)
Change in unrealized gain on available-for-sale securities	5		10
Other comprehensive income (loss)	(2)		0
Income taxes (benefits) on other comprehensive income (loss)	(1)		2
Net other comprehensive income (loss)	(1)		(2)
COMPREHENSIVE INCOME	1		120
FES | Affiliates
REVENUES:
Electric sales	156		121
OPERATING EXPENSES:
Purchased power	132		117
OTHER INCOME (EXPENSE):
Interest expense	(1)		(2)
FES | Non-Affiliates
REVENUES:
Electric sales	1,299		1,332
OPERATING EXPENSES:
Purchased power	505		487
OTHER INCOME (EXPENSE):
Interest expense	$ (50)		$ (41)

[1] Includes excise tax collections of $114 million and $121 million in the three months ended March 31, 2013 and 2012, respectively.