Consolidated Balance Sheets (FirstEnergy Corp.) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 589	$ 199
Receivables-
Customers, net of allowance for uncollectible accounts of $51 in 2017 and $53 in 2016	1,463	1,440
Other, net of allowance for uncollectible accounts of $1 in 2017 and 2016	191	175
Materials and supplies, at average cost	463	564
Derivatives	37	140
Collateral	146	176
Prepaid taxes and other	219	256
Total current assets	3,108	2,950
PROPERTY, PLANT AND EQUIPMENT:
In service	39,778	43,767
Less — Accumulated provision for depreciation	11,925	15,731
Property, plant and equipment in service net of accumulated provision for depreciation	27,853	28,036
Construction work in progress	1,026	1,351
Total net property, plant and equipment	28,879	29,387
INVESTMENTS:
Nuclear plant decommissioning trusts	2,678	2,514
Other	506	512
Total other property and investments	3,184	3,026
ASSETS HELD FOR SALE (Note 2)	375	0
DEFERRED CHARGES AND OTHER ASSETS:
Goodwill	5,618	5,618
Regulatory assets	40	1,014
Other	1,053	1,153
Total deferred charges and other assets	6,711	7,785
Total assets	42,257	43,148
CURRENT LIABILITIES:
Currently payable long-term debt	1,082	1,685
Short-term borrowings	300	2,675
Accounts payable	1,027	1,043
Accrued taxes	571	580
Accrued compensation and benefits	336	363
Collateral	39	42
Other	722	738
Total current liabilities	4,077	7,126
Common stockholders’ equity-
Common stock, $0.10 par value, authorized 700,000,000 and 490,000,000 shares - 445,334,111 and 442,344,218 shares outstanding as of December 31, 2017 and December 31, 2016, respectively	44	44
Other paid-in capital	10,001	10,555
Accumulated other comprehensive income	142	174
Accumulated deficit	(6,262)	(4,532)
Total common stockholders' equity	3,925	6,241
Long-term debt and other long-term obligations	21,115	18,192
Total capitalization	25,040	24,433
NONCURRENT LIABILITIES:
Accumulated deferred income taxes	1,359	3,765
Retirement benefits	3,975	3,719
Regulatory liabilities	2,720	157
Asset retirement obligations	2,515	1,482
Deferred gain on sale and leaseback transaction	723	757
Adverse power contract liability	130	162
Other	1,718	1,547
Total noncurrent liabilities	13,140	11,589
COMMITMENTS, GUARANTEES AND CONTINGENCIES (Note 16)
Total liabilities and capitalization	$ 42,257	$ 43,148