Consolidated Balance Sheets (FirstEnergy Solutions 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 $8 in 2015 and $18 in 2014	1,415	1,554
Other, net of allowance for uncollectible accounts of $3 in 2015 and 2014	180	225
Materials and supplies	785	817
Derivatives	157	159
Collateral	70	230
Prepayments and 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:
Customer intangibles	331
Goodwill	6,418	6,418
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-
Short-term borrowings	1,708	1,799
Accounts payable-
Accrued taxes	519	490
Derivatives	106	167
Other	694	693
Total current liabilities	5,602	5,561
Common stockholders' equity-
Common stock, without par value, authorized 750 shares- 7 shares outstanding as of December 31, 2015 and 2014	42	42
Accumulated other comprehensive income	171	246
Retained earnings	2,256	2,285
Total common stockholders' equity	12,421	12,420
Long-term debt and other long-term obligations	19,192	19,176
Total capitalization	31,614	31,598
NONCURRENT LIABILITIES:
Deferred gain on sale and leaseback transaction	791	824
Accumulated deferred income taxes	6,773	6,539
Retirement benefits	4,245	3,932
Asset retirement obligations	1,410	1,387
Other	1,555	1,590
Total noncurrent liabilities	$ 14,971	$ 14,489
COMMITMENTS, GUARANTEES AND CONTINGENCIES
Total liabilities and capitalization	$ 52,187	$ 51,648
FES
CURRENT ASSETS:
Cash and cash equivalents	2	2
Receivables-
Customers, net of allowance for uncollectible accounts of $8 in 2015 and $18 in 2014	275	415
Affiliated companies	451	525
Other, net of allowance for uncollectible accounts of $3 in 2015 and 2014	59	107
Notes receivable from affiliated companies	11	0
Materials and supplies	470	492
Derivatives	154	147
Collateral	70	229
Prepayments and other	66	68
Total current assets	1,558	1,985
PROPERTY, PLANT AND EQUIPMENT:
In service	14,311	13,596
Less - Accumulated provision for depreciation	5,765	5,208
Property, plant and equipment in service net of accumulated provision for depreciation	8,546	8,388
Construction work in progress	1,157	1,010
Total net property, plant and equipment	9,703	9,398
INVESTMENTS:
Nuclear plant decommissioning trusts	1,327	1,365
Other	10	10
Total other property and investments	1,337	1,375
DEFERRED CHARGES AND OTHER ASSETS:
Customer intangibles	61	78
Goodwill	23	23
Property taxes	40	41
Derivatives	79	52
Other	384	331
Total deferred charges and other assets	587	525
Total assets	13,185	13,283
CURRENT LIABILITIES:
Currently payable long-term debt	512	506
Short-term borrowings-
Short-term borrowings	8	99
Accounts payable-
Affiliated companies	542	416
Other	139	248
Accrued taxes	76	102
Derivatives	104	166
Other	181	184
Total current liabilities	1,562	1,756
Common stockholders' equity-
Common stock, without par value, authorized 750 shares- 7 shares outstanding as of December 31, 2015 and 2014	3,613	3,594
Accumulated other comprehensive income	46	57
Retained earnings	1,946	1,934
Total common stockholders' equity	5,605	5,585
Long-term debt and other long-term obligations	2,527	2,608
Total capitalization	8,132	8,193
NONCURRENT LIABILITIES:
Deferred gain on sale and leaseback transaction	791	824
Accumulated deferred income taxes	600	484
Retirement benefits	332	324
Asset retirement obligations	831	841
Derivatives	38	14
Other	899	847
Total noncurrent liabilities	$ 3,491	$ 3,334
COMMITMENTS, GUARANTEES AND CONTINGENCIES
Total liabilities and capitalization	$ 13,185	$ 13,283
FES | Affiliates
Short-term borrowings-
Other Short-term Borrowings	$ 0	$ 35