Consolidated Statements of Income and Comprehensive Income (Jersey Central Power & Light Company) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
REVENUES:
Excise and gross receipts tax collections	$ 455	$ 486	$ 428
Total revenues	9,637	10,400	9,820
OPERATING EXPENSES:
Purchased power	4,237	4,875	4,624
Other operating expenses	3,769	3,964	2,714
Pensions and OPEB mark-to-market adjustment	609	507	190
Provision for depreciation	1,124	1,066	750
Deferral of storm costs	(375)	(145)	(14)
Amortization of regulatory assets, net	307	474	736
General taxes	985	978	776
Total operating expenses	13,127	14,449	11,596
OPERATING INCOME (LOSS)	2,176	1,698	1,743
OTHER INCOME (EXPENSE):
Interest expense	(1,001)	(1,008)	(845)
Capitalized interest	72	70	165
Total other income (expense)	(852)	(255)	(563)
INCOME BEFORE INCOME TAXES	1,324	1,443	1,180
INCOME TAXES (BENEFITS)	553	574	462
NET INCOME	771	869	718
STATEMENTS OF COMPREHENSIVE INCOME
NET INCOME	771	869	718
OTHER COMPREHENSIVE INCOME (LOSS):
Pension and OPEB prior service costs	(115)	(90)	(220)
Other comprehensive income (loss)	(120)	(48)	(176)
Income taxes (benefits) on other comprehensive income (loss)	(79)	(49)	(74)
Other comprehensive income (loss), net of tax	(41)	1	(102)
COMPREHENSIVE INCOME	730	870	616
JCP&L
REVENUES:
Electric sales	1,990	2,445	2,976
Excise and gross receipts tax collections	37	50	51
Total revenues	2,027	2,495	3,027
OPERATING EXPENSES:
Purchased power	1,069	1,382	1,736
Other operating expenses	599	403	329
Pensions and OPEB mark-to-market adjustment	65	60	26
Provision for depreciation	109	103	107
Deferral of storm costs	(279)	(92)	(19)
Amortization of regulatory assets, net	52	200	340
General taxes	55	67	65
Total operating expenses	1,670	2,123	2,584
OPERATING INCOME (LOSS)	357	372	443
OTHER INCOME (EXPENSE):
Miscellaneous income	4	11	6
Interest expense	(122)	(124)	(120)
Capitalized interest	1	2	1
Total other income (expense)	(117)	(111)	(113)
INCOME BEFORE INCOME TAXES	240	261	330
INCOME TAXES (BENEFITS)	107	117	147
NET INCOME	133	144	183
STATEMENTS OF COMPREHENSIVE INCOME
NET INCOME	133	144	183
OTHER COMPREHENSIVE INCOME (LOSS):
Pension and OPEB prior service costs	(19)	(27)	(17)
Other comprehensive income (loss)	(19)	(27)	(17)
Income taxes (benefits) on other comprehensive income (loss)	(12)	(15)	(10)
Other comprehensive income (loss), net of tax	(7)	(12)	(7)
COMPREHENSIVE INCOME	$ 126	$ 132	$ 176