Consolidated Statements of Cash Flows (FirstEnergy Solutions Corp.) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
NET INCOME	$ 208	$ 196
Adjustments to reconcile net income (loss) to net cash from operating activities-
Provision for depreciation	294	293
Nuclear fuel amortization	48	53
Deferred rents and lease market valuation liability	33	37
Deferred income taxes and investment tax credits, net	181	134
Commodity derivative transactions, net (Note 8)	(17)	4
Loss on debt redemptions	7	117
Income from discontinued operations (Note 13)	(86)	(4)
Changes in current assets and liabilities-
Receivables	(168)	(34)
Materials and supplies	12	26
Prepayments and other current assets	(29)	(159)
Accounts payable	200	(378)
Accrued taxes	(242)	(128)
Accrued compensation and benefits	(118)	(91)
Cash collateral, net	(461)	(1)
Other	82	(38)
Net cash (used for) provided from operating activities	(92)	50
New financing-
Long-term debt	1,467	1,800
Short-term borrowings, net	0	181
Redemptions and Repayments-
Long-term debt	(489)	(846)
Tender premiums paid on debt redemptions	0	(110)
Other	(10)	(23)
Net cash provided from (used for) financing activities	498	772
CASH FLOWS FROM INVESTING ACTIVITIES:
Property additions	(821)	(826)
Nuclear fuel	(55)	(27)
Proceeds from asset sales	394	0
Sales of investment securities held in trusts	621	539
Purchases of investment securities held in trusts	(646)	(565)
Other	3	(1)
Net cash used for investing activities	(515)	(927)
Net change in cash and cash equivalents	(109)	(105)
Cash and cash equivalents at beginning of period	218	172
Cash and cash equivalents at end of period	109	67
FES
CASH FLOWS FROM OPERATING ACTIVITIES:
NET INCOME	13	2
Adjustments to reconcile net income (loss) to net cash from operating activities-
Provision for depreciation	74	75
Nuclear fuel amortization	48	53
Deferred rents and lease market valuation liability	21	21
Deferred income taxes and investment tax credits, net	48	56
Commodity derivative transactions, net (Note 8)	(17)	3
Loss on debt redemptions	5	71
Income from discontinued operations (Note 13)	(116)	(3)
Changes in current assets and liabilities-
Receivables	553	(177)
Materials and supplies	21	28
Prepayments and other current assets	(48)	(55)
Accounts payable	(430)	(185)
Accrued taxes	(49)	(80)
Accrued compensation and benefits	(19)	(16)
Cash collateral, net	(420)	38
Other	4	(26)
Net cash (used for) provided from operating activities	(312)	(195)
New financing-
Long-term debt	417	0
Short-term borrowings, net	120	702
Equity contribution from parent	500	0
Redemptions and Repayments-
Long-term debt	(445)	(476)
Tender premiums paid on debt redemptions	0	(67)
Other	(4)	(1)
Net cash provided from (used for) financing activities	588	158
CASH FLOWS FROM INVESTING ACTIVITIES:
Property additions	(298)	(217)
Nuclear fuel	(55)	(27)
Proceeds from asset sales	307	17
Sales of investment securities held in trusts	423	252
Purchases of investment securities held in trusts	(438)	(265)
Loans to affiliated companies, net	(215)	276
Other	0	1
Net cash used for investing activities	(276)	37
Net change in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	2	3
Cash and cash equivalents at end of period	$ 2	$ 3