Consolidated Balance Sheets (FirstEnergy Corp.) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 131	$ 85
Receivables-
Customers, net of allowance for uncollectible accounts of $69 in 2015 and $59 in 2014	1,415	1,554
Other, net of allowance for uncollectible accounts of $5 in 2015 and 2014	180	225
Materials and supplies, at average cost	785	817
Prepaid taxes	135	128
Derivatives	157	159
Collateral	70	230
Other	167	160
Total current assets	3,040	3,358
PROPERTY, PLANT AND EQUIPMENT:
In service	49,952	47,484
Less - Accumulated provision for depreciation	15,160	14,150
Property, plant and equipment in service net of accumulated provision for depreciation	34,792	33,334
Construction work in progress	2,422	2,449
Total net property, plant and equipment	37,214	35,783
INVESTMENTS:
Nuclear plant decommissioning trusts	2,282	2,341
Other	506	881
Total other property and investments	2,788	3,222
DEFERRED CHARGES AND OTHER ASSETS:
Goodwill	6,418	6,418
Regulatory assets	1,348	1,411
Other	1,379	1,456
Total deferred charges and other assets	9,145	9,285
Total assets	52,187	51,648
CURRENT LIABILITIES:
Currently payable long-term debt	1,166	804
Short-term borrowings	1,708	1,799
Accounts payable	1,075	1,279
Accrued taxes	519	490
Accrued compensation and benefits	334	329
Derivatives	106	167
Other	694	693
Total current liabilities	5,602	5,561
Common stockholders' equity-
Common stock, $0.10 par value, authorized 490,000,000 shares - 423,560,397 and 421,102,570 shares outstanding as of December 31, 2015 and December 31, 2014, respectively	42	42
Other paid-in capital	9,952	9,847
Accumulated other comprehensive income	171	246
Retained earnings	2,256	2,285
Total common stockholders' equity	12,421	12,420
Noncontrolling interest	1	2
Total equity	12,422	12,422
Long-term debt and other long-term obligations	19,192	19,176
Total capitalization	31,614	31,598
NONCURRENT LIABILITIES:
Accumulated deferred income taxes	6,773	6,539
Retirement benefits	4,245	3,932
Asset retirement obligations	1,410	1,387
Deferred gain on sale and leaseback transaction	791	824
Adverse power contract liability	197	217
Other	1,555	1,590
Total noncurrent liabilities	$ 14,971	$ 14,489
COMMITMENTS, GUARANTEES AND CONTINGENCIES
Total liabilities and capitalization	$ 52,187	$ 51,648