Deferred Compensation Arrangement With Individual Number Of Shares Available For Grant.

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Exchange ratio to calculate number of shares to be received by acquiree company on merger.

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Number of forms os stock based compensation awards.

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Number of stock based compensation programs.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

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Share based compensation arrangement by share based payment award options weighted average vesting period.

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Share based compensation arrangement by share based payment award other than stock options weighted average vesting period.

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Stock Based Compensation, Shares Settled

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Stock Issued During Period Shares Stock Option Exercised.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph A240

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The maximum number of shares authorized for issuance under the deferred compensation arrangement as of the balance sheet date.

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-Name Accounting Standards Codification

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements payable within one year (or the operating cycle, if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section S99

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- Definition

Description of the period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Stock-Based Compensation Plans (Details Textuals) (USD $)	9 Months Ended		9 Months Ended												9 Months Ended
	Sep. 30, 2011	Feb. 24, 2011	Sep. 30, 2011 Restricted Stock and Restricted Stock Units Awards years	Sep. 30, 2010 Restricted Stock and Restricted Stock Units Awards	Sep. 30, 2011 Performance Shares	Sep. 30, 2010 Performance Shares	Sep. 30, 2011 ESOP	Sep. 30, 2010 ESOP	Sep. 30, 2011 Stock Option years	Sep. 30, 2010 Stock Option	Sep. 30, 2011 First Energy LTIP	Sep. 30, 2011 EDCP	Sep. 30, 2010 EDCP	Sep. 30, 2011 EDCP and DCPD	Sep. 30, 2011 DCPD	Sep. 30, 2010 DCPD
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exchange Ratio To Calculate Number Of Shares To Be Received By Acquiree Company On Merger		0.667
Number of stock based compensation programs											4
Restricted common stock granted			907,898
Restricted common stock grant-date fair value			$ 33,800,000
Restricted common stock weighted-average vesting period			2.76
Maximum limit of total stock awards											29,100,000
Stock-based compensation award vesting period											two months to ten years
Stock option weighted-average vesting period									3.79
Stock-based compensation award number of shares available for future											5,600,000
Compensation expense (income)			43,000,000	40,000,000	2,000,000	(8,000,000)	34,000,000	31,000,000	500,000	0		0	0		3,000,000	3,000,000
Stock Based Compensation, Shares Settled					0	0
Net liability of stock option															6,000,000
Stock option grant-date fair value									$ 3,300,000
Shares authorized for issuance														1,700,000
Deferred compensation arrangement with individual number of Shares available for grant														1,075,080
Stock-Based Compensation Plans (Textuals) [Abstract]
Number of forms os stock based compensation awards	4
Number of options exercisable	3,737,531