Consolidated Balance Sheets (Jersey Central Power & Light Company) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Receivables-
Customers, net of allowance for uncollectible accounts	$ 1,614	$ 1,525
Other	315	269
Prepaid taxes	119	191
Other	176	122
Total current assets	3,768	3,355
UTILITY PLANT:
In service	43,210	40,122
Less - Accumulated provision for depreciation	12,600	11,839
Property, plant and equipment in service net of accumulated provision for depreciation	30,610	28,283
Construction work in progress	2,293	2,054
Total net property, plant and equipment	32,903	30,337
OTHER PROPERTY AND INVESTMENTS:
Nuclear plant decommissioning trusts	2,204	2,112
Other	936	1,008
Total other property and investments	3,194	3,522
DEFERRED CHARGES AND OTHER ASSETS:
Goodwill	6,447	6,441
Regulatory assets	2,375	2,030
Other	1,719	1,641
Total deferred charges and other assets	10,541	10,112
Total assets	50,406	47,326
CURRENT LIABILITIES:
Currently payable long-term debt	1,999	1,621
Accounts payable-
Accrued compensation and benefits	331	384
Accrued taxes	543	558
Other	1,038	900
Total current liabilities	7,605	4,855
Common stockholders' equity-
Common stock	42	42
Other paid-in capital	9,769	9,765
Accumulated other comprehensive income	385	426
Retained earnings (accumulated deficit)	2,888	3,047
Total common stockholders' equity	13,084	13,280
Long-term debt and other long-term obligations	15,179	15,716
Total capitalization	28,272	29,015
NONCURRENT LIABILITIES:
Accumulated deferred income taxes	6,616	5,670
Retirement benefits	3,080	2,823
Asset retirement obligations	1,599	1,497
Other	1,836	2,072
Total noncurrent liabilities	14,529	13,456
COMMITMENTS, GUARANTEES AND CONTINGENCIES (Note 15)
Total liabilities and capitalization	50,406	47,326
JCP&L
Receivables-
Customers, net of allowance for uncollectible accounts	221	235
Affiliated companies	1	0
Other	18	17
Prepaid taxes	45	33
Other	27	19
Total current assets	312	304
UTILITY PLANT:
In service	5,479	4,872
Less - Accumulated provision for depreciation	1,820	1,743
Property, plant and equipment in service net of accumulated provision for depreciation	3,659	3,129
Construction work in progress	103	227
Total net property, plant and equipment	3,762	3,356
OTHER PROPERTY AND INVESTMENTS:
Nuclear fuel disposal trust	230	219
Nuclear plant decommissioning trusts	201	193
Other	2	2
Total other property and investments	433	414
DEFERRED CHARGES AND OTHER ASSETS:
Goodwill	1,811	1,811
Regulatory assets	791	408
Other	29	32
Total deferred charges and other assets	2,631	2,251
Total assets	7,138	6,325
CURRENT LIABILITIES:
Currently payable long-term debt	36	34
Short-term borrowings-
Other	140	0
Accounts payable-
Affiliated companies	272	19
Other	88	101
Accrued compensation and benefits	36	41
Customer deposits	23	24
Accrued taxes	14	15
Accrued interest	18	18
Other	23	21
Total current liabilities	1,015	532
Common stockholders' equity-
Common stock	136	136
Other paid-in capital	2,011	2,011
Accumulated other comprehensive income	32	39
Retained earnings (accumulated deficit)	64	121
Total common stockholders' equity	2,243	2,307
Long-term debt and other long-term obligations	1,701	1,736
Total capitalization	3,944	4,043
NONCURRENT LIABILITIES:
Accumulated deferred income taxes	1,089	859
Power purchase contract liability	265	147
Nuclear fuel disposal costs	197	197
Retirement benefits	241	170
Asset retirement obligations	123	115
Other	264	262
Total noncurrent liabilities	2,179	1,750
COMMITMENTS, GUARANTEES AND CONTINGENCIES (Note 15)
Total liabilities and capitalization	7,138	6,325
Affiliates | JCP&L
Short-term borrowings-
Affiliated companies	$ 365	$ 259