Consolidated Balance Sheets (Unaudited) (Ohio Edison Company) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 94	$ 202
Receivables-
Customers, net of allowance for uncollectible accounts	1,635	1,525
Other	263	269
Prepayments and other	171	122
Total current assets	3,608	3,355
UTILITY PLANT:
In service	41,167	40,122
Less - Accumulated provision for depreciation	12,336	11,839
Property, plant and equipment in service net of accumulated provision for depreciation	28,831	28,283
Construction work in progress	1,937	2,054
Total net property, plant and equipment	30,768	30,337
OTHER PROPERTY AND INVESTMENTS:
Investments in lease obligation bonds	326	402
Nuclear plant decommissioning trusts	2,153	2,112
Other	1,039	1,008
Total other property and investments	3,518	3,522
DEFERRED CHARGES AND OTHER ASSETS:
Regulatory assets	2,122	2,030
Other	1,588	1,641
Total deferred charges and other assets	10,154	10,112
Total assets	48,048	47,326
CURRENT LIABILITIES:
Currently payable long-term debt	1,577	1,621
Accounts payable-
Accrued taxes	436	558
Other	617	900
Total current liabilities	6,082	4,855
Common stockholders' equity-
Common stock	42	42
Accumulated other comprehensive income	389	426
Retained earnings (Accumulated deficit)	3,310	3,047
Total common stockholders' equity	13,497	13,280
Noncontrolling interest	15	19
Total equity	13,512	13,299
Long-term debt and other long-term obligations	15,159	15,716
Total capitalization	28,671	29,015
NONCURRENT LIABILITIES:
Accumulated deferred income taxes	6,042	5,670
Retirement benefits	2,257	2,823
Asset retirement obligations	1,548	1,497
Other	1,980	2,072
Total noncurrent liabilities	13,295	13,456
COMMITMENTS AND CONTINGENCIES (Note 9)
Total liabilities and capitalization	48,048	47,326
OE
CURRENT ASSETS:
Cash and cash equivalents	0	26
Receivables-
Customers, net of allowance for uncollectible accounts	173	163
Affiliated companies	51	86
Other	15	41
Notes receivable from affiliated companies	245	181
Prepayments and other	14	17
Total current assets	498	514
UTILITY PLANT:
In service	3,443	3,358
Less - Accumulated provision for depreciation	1,294	1,267
Property, plant and equipment in service net of accumulated provision for depreciation	2,149	2,091
Construction work in progress	87	91
Total net property, plant and equipment	2,236	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	340	363
Property taxes	80	81
Unamortized sale and leaseback costs	23	25
Other	23	19
Total deferred charges and other assets	466	488
Total assets	3,580	3,574
CURRENT LIABILITIES:
Currently payable long-term debt	3	2
Accounts payable-
Affiliated companies	90	119
Other	37	35
Accrued taxes	76	88
Accrued interest	28	25
Other	69	79
Total current liabilities	303	348
Common stockholders' equity-
Common stock	721	747
Accumulated other comprehensive income	46	54
Retained earnings (Accumulated deficit)	(12)	(84)
Total common stockholders' equity	755	717
Noncontrolling interest	5	5
Total equity	760	722
Long-term debt and other long-term obligations	1,157	1,155
Total capitalization	1,917	1,877
NONCURRENT LIABILITIES:
Accumulated deferred income taxes	799	787
Retirement benefits	211	213
Asset retirement obligations	74	71
Other	276	278
Total noncurrent liabilities	1,360	1,349
COMMITMENTS AND CONTINGENCIES (Note 9)
Total liabilities and capitalization	$ 3,580	$ 3,574