Consolidated Balance Sheets (Unaudited) (Ohio Edison Company) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 150	$ 202
Receivables-
Customers, net of allowance for uncollectible accounts	1,604	1,525
Other	227	269
Prepayments and other	190	122
Total current assets	3,709	3,355
UTILITY PLANT:
In service	41,756	40,122
Less - Accumulated provision for depreciation	12,434	11,839
Property, plant and equipment in service net of accumulated provision for depreciation	29,322	28,283
Construction work in progress	2,119	2,054
Total net property, plant and equipment	31,441	30,337
OTHER PROPERTY AND INVESTMENTS:
Investments in lease obligation bonds	210	402
Nuclear plant decommissioning trusts	2,203	2,112
Other	1,038	1,008
Total other property and investments	3,451	3,522
DEFERRED CHARGES AND OTHER ASSETS:
Regulatory assets	2,113	2,030
Other	1,580	1,641
Total deferred charges and other assets	10,137	10,112
Total assets	48,738	47,326
CURRENT LIABILITIES:
Currently payable long-term debt	1,473	1,621
Accounts payable-
Accrued taxes	508	558
Other	942	900
Total current liabilities	5,920	4,855
Common stockholders' equity-
Common stock	42	42
Accumulated other comprehensive income	367	426
Retained earnings (Accumulated deficit)	3,266	3,047
Total common stockholders' equity	13,433	13,280
Noncontrolling interest	16	19
Total equity	13,449	13,299
Long-term debt and other long-term obligations	15,627	15,716
Total capitalization	29,076	29,015
NONCURRENT LIABILITIES:
Accumulated deferred income taxes	6,543	5,670
Retirement benefits	2,271	2,823
Asset retirement obligations	1,574	1,497
Other	1,904	2,072
Total noncurrent liabilities	13,742	13,456
COMMITMENTS, GUARANTEES AND CONTINGENCIES (Note 10)
Total liabilities and capitalization	48,738	47,326
OE
CURRENT ASSETS:
Cash and cash equivalents	50	26
Receivables-
Customers, net of allowance for uncollectible accounts	179	163
Affiliated companies	52	86
Other	20	41
Notes receivable from affiliated companies	258	181
Prepayments and other	9	17
Total current assets	568	514
UTILITY PLANT:
In service	3,490	3,358
Less - Accumulated provision for depreciation	1,308	1,267
Property, plant and equipment in service net of accumulated provision for depreciation	2,182	2,091
Construction work in progress	96	91
Total net property, plant and equipment	2,278	2,182
OTHER PROPERTY AND INVESTMENTS:
Investments in lease obligation bonds	148	163
Nuclear plant decommissioning trusts	141	137
Other	91	90
Total other property and investments	380	390
DEFERRED CHARGES AND OTHER ASSETS:
Regulatory assets	293	363
Property taxes	81	81
Unamortized sale and leaseback costs	21	25
Other	27	19
Total deferred charges and other assets	422	488
Total assets	3,648	3,574
CURRENT LIABILITIES:
Currently payable long-term debt	3	2
Accounts payable-
Affiliated companies	81	119
Other	30	35
Accrued taxes	94	88
Accrued interest	25	25
Other	111	79
Total current liabilities	344	348
Common stockholders' equity-
Common stock	698	747
Accumulated other comprehensive income	43	54
Retained earnings (Accumulated deficit)	32	(84)
Total common stockholders' equity	773	717
Noncontrolling interest	5	5
Total equity	778	722
Long-term debt and other long-term obligations	1,157	1,155
Total capitalization	1,935	1,877
NONCURRENT LIABILITIES:
Accumulated deferred income taxes	812	787
Retirement benefits	208	213
Asset retirement obligations	75	71
Other	274	278
Total noncurrent liabilities	1,369	1,349
COMMITMENTS, GUARANTEES AND CONTINGENCIES (Note 10)
Total liabilities and capitalization	$ 3,648	$ 3,574