Consolidated Balance Sheets (FirstEnergy Corp.) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 551	$ 131
Receivables-
Customers, net of allowance for uncollectible accounts of $61 in 2016 and $69 in 2015	1,470	1,415
Other, net of allowance for uncollectible accounts of $3 in 2016 and $5 in 2015	159	180
Materials and supplies	699	785
Prepaid taxes	204	135
Derivatives	152	157
Collateral	89	70
Other	156	167
Total current assets	3,480	3,040
PROPERTY, PLANT AND EQUIPMENT:
In service	50,889	49,952
Less - Accumulated provision for depreciation	15,450	15,160
Property, plant and equipment in service net of accumulated provision for depreciation	35,439	34,792
Construction work in progress	2,394	2,422
Total net property, plant and equipment	37,833	37,214
INVESTMENTS:
Nuclear plant decommissioning trusts	2,502	2,282
Other	533	506
Total other property and investments	3,035	2,788
DEFERRED CHARGES AND OTHER ASSETS:
Goodwill (Note 2)	5,618	6,418
Regulatory assets	1,088	1,348
Other	907	1,286
Total deferred charges and other assets	7,613	9,052
Total assets	51,961	52,094
CURRENT LIABILITIES:
Currently payable long-term debt	1,216	1,166
Short-term borrowings	2,975	1,708
Accounts payable	944	1,075
Accrued taxes	537	519
Accrued compensation and benefits	365	334
Derivatives	91	106
Other	915	694
Total current liabilities	7,043	5,602
Common stockholders' equity-
Common stock, $0.10 par value, authorized 490,000,000 shares - 425,743,282 and 423,560,397 shares outstanding as of September 30, 2016 and December 31, 2015, respectively	43	42
Other paid-in capital	10,012	9,952
Accumulated other comprehensive income	184	171
Retained earnings	1,264	2,256
Total common stockholders' equity	11,503	12,421
Noncontrolling interest	0	1
Total equity	11,503	12,422
Long-term debt and other long-term obligations	18,532	19,099
Total capitalization	30,035	31,521
NONCURRENT LIABILITIES:
Accumulated deferred income taxes	7,136	6,773
Retirement benefits	4,080	4,245
Asset retirement obligations	1,459	1,410
Deferred gain on sale and leaseback transaction	765	791
Adverse power contract liability	174	197
Other	1,269	1,555
Total noncurrent liabilities	14,883	14,971
COMMITMENTS, GUARANTEES AND CONTINGENCIES (Note 12)
Total liabilities and capitalization	$ 51,961	$ 52,094