$FE
FIRSTENERGY CORP Stock $fe

$fe Overview Financials Valuation SEC Filings Company Website

2012 Q1 Form 10-Q Financial Statement

#000103129612000021 Filed on May 01, 2012

Income Statement

Concept	2012 Q1	2011 Q1
Revenue	$3.990B	$3.576B
YoY Change	11.58%	8.4%
Cost Of Revenue	$1.259B	$1.186B
YoY Change	6.16%	-4.2%
Gross Profit	$2.731B	$2.390B
YoY Change	14.27%	15.96%
Gross Profit Margin	68.45%	66.83%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$278.0M	$220.0M
YoY Change	26.36%	13.99%
% of Gross Profit	10.18%	9.21%
Operating Expenses	$1.985B	$2.040B
YoY Change	-2.7%	24.01%
Operating Profit	$740.0M	$350.0M
YoY Change	111.43%	-15.87%
Interest Expense	$246.0M	-$192.0M
YoY Change	-228.13%	23.08%
% of Operating Profit	33.24%	-54.86%
Other Income/Expense, Net	-$218.0M	-$192.0M
YoY Change	13.54%
Pretax Income	$528.0M	$158.0M
YoY Change	234.18%	-39.23%
Income Tax	$220.0M	$111.0M
% Of Pretax Income	41.67%	70.25%
Net Earnings	$306.0M	$52.00M
YoY Change	488.46%	-66.45%
Net Earnings / Revenue	7.67%	1.45%
Basic Earnings Per Share	$0.73	$0.15
Diluted Earnings Per Share	$0.73	$0.15
COMMON SHARES
Basic Shares Outstanding	418.0M shares	342.0M shares
Diluted Shares Outstanding	420.0M shares	343.0M shares

Balance Sheet

Concept	2012 Q1	2011 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$74.00M	$1.101B
YoY Change	-93.28%	255.16%
Cash & Equivalents	$74.00M	$1.101B
Short-Term Investments
Other Short-Term Assets	$182.0M	$828.0M
YoY Change	-78.02%	84.0%
Inventory	$927.0M	$852.0M
Prepaid Expenses
Receivables	$1.449B	$1.636B
Other Receivables	$286.0M	$229.0M
Total Short-Term Assets	$3.477B	$4.646B
YoY Change	-25.16%	62.79%
LONG-TERM ASSETS
Property, Plant & Equipment	$30.57B	$29.15B
YoY Change	4.88%	50.57%
Goodwill	$6.444B	$6.507B
YoY Change	-0.97%
Intangibles
YoY Change
Long-Term Investments	$1.347B	$1.063B
YoY Change	26.72%	-3.71%
Other Assets	$1.716B	$5.410B
YoY Change	-68.28%	7.34%
Total Long-Term Assets	$10.17B	$43.92B
YoY Change	-76.85%	40.66%
TOTAL ASSETS
Total Short-Term Assets	$3.477B	$4.646B
Total Long-Term Assets	$10.17B	$43.92B
Total Assets	$47.69B	$48.57B
YoY Change	-1.8%	42.51%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$918.0M	$1.080B
YoY Change	-15.0%	39.9%
Accrued Expenses	$258.0M	$312.0M
YoY Change	-17.31%
Deferred Revenue
YoY Change
Short-Term Debt	$1.075B	$486.0M
YoY Change	121.19%	-45.15%
Long-Term Debt Due	$1.772B	$1.385B
YoY Change	27.94%	-22.32%
Total Short-Term Liabilities	$5.773B	$5.162B
YoY Change	11.84%	5.65%
LONG-TERM LIABILITIES
Long-Term Debt	$15.53B	$17.54B
YoY Change	-11.45%	48.01%
Other Long-Term Liabilities	$2.011B	$7.648B
YoY Change	-73.71%	23.2%
Total Long-Term Liabilities	$13.05B	$25.18B
YoY Change	-48.17%	39.48%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.773B	$5.162B
Total Long-Term Liabilities	$13.05B	$25.18B
Total Liabilities	$18.83B	$35.14B
YoY Change	-46.42%	37.62%
SHAREHOLDERS EQUITY
Retained Earnings	$3.122B
YoY Change
Common Stock	$9.754B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$13.32B	$12.73B
YoY Change
Total Liabilities & Shareholders Equity	$47.69B	$47.87B
YoY Change	-0.37%	40.46%

Cashflow Statement

Concept	2012 Q1	2011 Q1
OPERATING ACTIVITIES
Net Income	$306.0M	$52.00M
YoY Change	488.46%	-66.45%
Depreciation, Depletion And Amortization	$278.0M	$220.0M
YoY Change	26.36%	13.99%
Cash From Operating Activities	-$413.0M	$491.0M
YoY Change	-184.11%	-2.96%
INVESTING ACTIVITIES
Capital Expenditures	-$589.0M	-$449.0M
YoY Change	31.18%	-26.27%
Acquisitions
YoY Change
Other Investing Activities	$8.000M	$23.00M
YoY Change	-65.22%	-82.71%
Cash From Investing Activities	-$534.0M	$141.0M
YoY Change	-478.72%	-129.62%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$16.00M	$359.0M
YoY Change	-95.54%
Cash From Financing Activities	$819.0M	-$550.0M
YoY Change	-248.91%	-7.41%
NET CHANGE
Cash From Operating Activities	-$413.0M	$491.0M
Cash From Investing Activities	-$534.0M	$141.0M
Cash From Financing Activities	$819.0M	-$550.0M
Net Change In Cash	-$128.0M	$82.00M
YoY Change	-256.1%	-114.54%
FREE CASH FLOW
Cash From Operating Activities	-$413.0M	$491.0M
Capital Expenditures	-$589.0M	-$449.0M
Free Cash Flow	$176.0M	$940.0M
YoY Change	-81.28%	-15.7%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2012Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	918000000	USD
CY2012Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1449000000	USD
CY2011Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1525000000	USD
CY2012Q1	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	258000000	USD
CY2011Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	384000000	USD
CY2011Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	558000000	USD
CY2012Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	442000000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	11839000000	USD
CY2012Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	12086000000	USD
CY2012Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	405000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	426000000	USD
CY2011Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	9765000000	USD
CY2012Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	9754000000	USD
CY2011Q1	us-gaap	Amortization Of Regulatory Asset AmortizationOfRegulatoryAsset	132000000	USD
CY2012Q1	us-gaap	Amortization Of Regulatory Asset AmortizationOfRegulatoryAsset	75000000	USD
CY2011Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	31000000	USD
CY2012Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	4000000	USD
CY2011Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	1497000000	USD
CY2012Q1	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	1522000000	USD
CY2011Q4	us-gaap	Assets Assets	47326000000	USD
CY2012Q1	us-gaap	Assets Assets	47691000000	USD
CY2011Q1	us-gaap	Assets Assets	48565000000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	3355000000	USD
CY2012Q1	us-gaap	Assets Current AssetsCurrent	3477000000	USD
CY2011Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	10112000000	USD
CY2012Q1	us-gaap	Assets Noncurrent AssetsNoncurrent	10166000000	USD
CY2011Q1	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	100000000	USD
CY2012Q1	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	19000000	USD
CY2012Q1	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	251000000	USD
CY2011Q1	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	969000000	USD
CY2011Q1	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	29000000	USD
CY2012Q1	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	17000000	USD
CY2012Q1	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	28866000000	USD
CY2011Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	29015000000	USD
CY2012Q1	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2011Q1	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	590000000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	74000000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	202000000	USD
CY2011Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1101000000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1019000000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-128000000	USD
CY2011Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	82000000	USD
CY2012Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2011Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.55
CY2011Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.55
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.1
CY2012Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.1
CY2012Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	490000000	shares
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	490000000	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	418216437	shares
CY2012Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	418216437	shares
CY2012Q1	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	42000000	USD
CY2011Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	42000000	USD
CY2012Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	285000000	USD
CY2011Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	30000000	USD
CY2011Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	25000000	USD
CY2012Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	285000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	5670000000	USD
CY2012Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	360000000	USD
CY2011Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	357000000	USD
CY2011Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	2054000000	USD
CY2012Q1	us-gaap	Construction In Progress Gross ConstructionInProgressGross	2065000000	USD
CY2012Q1	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	1347000000	USD
CY2011Q1	us-gaap	Cost Of Purchased Power CostOfPurchasedPower	1186000000	USD
CY2012Q1	us-gaap	Costs And Expenses CostsAndExpenses	3332000000	USD
CY2011Q1	us-gaap	Costs And Expenses CostsAndExpenses	3226000000	USD
CY2011Q4	us-gaap	Decommissioning Fund Investments DecommissioningFundInvestments	2112000000	USD
CY2011Q1	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	204000000	USD
CY2012Q1	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	265000000	USD
CY2011Q1	us-gaap	Deferred Purchased Power Costs DeferredPurchasedPowerCosts	-58000000	USD
CY2012Q1	us-gaap	Deferred Purchased Power Costs DeferredPurchasedPowerCosts	-107000000	USD
CY2012Q1	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	5904000000	USD
CY2011Q1	us-gaap	Depreciation Nonproduction DepreciationNonproduction	225000000	USD
CY2012Q1	us-gaap	Depreciation Nonproduction DepreciationNonproduction	285000000	USD
CY2012Q1	us-gaap	Derivative Asset Fair Value Net DerivativeAssetFairValueNet	66000000	USD
CY2011Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	235000000	USD
CY2012Q1	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	346000000	USD
CY2011Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	321000000	USD
CY2012Q1	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	459000000	USD
CY2012Q1	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	707000000	USD
CY2011Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	619000000	USD
CY2012Q1	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-5000000	USD
CY2011Q1	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-9000000	USD
CY2011Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	218000000	USD
CY2012Q1	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	299000000	USD
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.15
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
CY2012Q1	us-gaap	Electric Domestic Regulated Revenue ElectricDomesticRegulatedRevenue	2554000000	USD
CY2011Q1	us-gaap	Electric Domestic Regulated Revenue ElectricDomesticRegulatedRevenue	2332000000	USD
CY2012Q1	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	4078000000	USD
CY2011Q1	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	3576000000	USD
CY2011Q1	us-gaap	Electric Worldwide Unregulated Revenue ElectricWorldwideUnregulatedRevenue	1244000000	USD
CY2012Q1	us-gaap	Electric Worldwide Unregulated Revenue ElectricWorldwideUnregulatedRevenue	1524000000	USD
CY2011Q1	us-gaap	Excise Taxes Collected ExciseTaxesCollected	119000000	USD
CY2012Q1	us-gaap	Excise Taxes Collected ExciseTaxesCollected	121000000	USD
CY2012Q1	us-gaap	Fuel Costs FuelCosts	541000000	USD
CY2011Q1	us-gaap	Fuel Costs FuelCosts	453000000	USD
CY2012Q1	us-gaap	Goodwill Goodwill	6444000000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	6441000000	USD
CY2011Q1	us-gaap	Goodwill Goodwill	6507000000	USD
CY2012Q1	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-20000000	USD
CY2012Q1	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	4100000000	USD
CY2012Q1	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	671000000	USD
CY2012Q1	us-gaap	Held To Maturity Securities Noncurrent HeldToMaturitySecuritiesNoncurrent	336000000	USD
CY2011Q4	us-gaap	Held To Maturity Securities Noncurrent HeldToMaturitySecuritiesNoncurrent	402000000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	528000000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	158000000	USD
CY2012Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	222000000	USD
CY2011Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	111000000	USD
CY2012Q1	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-59000000	USD
CY2011Q1	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-164000000	USD
CY2011Q1	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-90000000	USD
CY2012Q1	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-256000000	USD
CY2011Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
CY2012Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2000000	shares
CY2012Q1	us-gaap	Interest And Debt Expense InterestAndDebtExpense	246000000	USD
CY2012Q1	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-116000000	USD
CY2011Q1	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-182000000	USD
CY2011Q1	us-gaap	Increase Decrease In Deposits Outstanding IncreaseDecreaseInDepositsOutstanding	28000000	USD
CY2012Q1	us-gaap	Increase Decrease In Deposits Outstanding IncreaseDecreaseInDepositsOutstanding	28000000	USD
CY2012Q1	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-162000000	USD
CY2011Q1	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-53000000	USD
CY2012Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	70000000	USD
CY2011Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	76000000	USD
CY2012Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	118000000	USD
CY2011Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-40000000	USD
CY2011Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-24000000	USD
CY2012Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	13000000	USD
CY2012Q1	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	19000000	USD
CY2011Q1	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-118000000	USD
CY2011Q1	us-gaap	Interest And Debt Expense InterestAndDebtExpense	231000000	USD
CY2011Q1	us-gaap	Interest Revenue Expense Net InterestRevenueExpenseNet	213000000	USD
CY2012Q1	us-gaap	Interest Revenue Expense Net InterestRevenueExpenseNet	229000000	USD
CY2012Q1	us-gaap	Inventory Net InventoryNet	927000000	USD
CY2011Q4	us-gaap	Inventory Net InventoryNet	811000000	USD
CY2011Q1	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	21000000	USD
CY2012Q1	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	11000000	USD
CY2012Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	47691000000	USD
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CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4855000000	USD
CY2012Q1	us-gaap	Liabilities Current LiabilitiesCurrent	5773000000	USD
CY2011Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	13456000000	USD
CY2012Q1	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	13052000000	USD
CY2011Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	15716000000	USD
CY2012Q1	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	15527000000	USD
CY2012Q1	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	1772000000	USD
CY2011Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	1621000000	USD
CY2012Q1	us-gaap	Long Term Investments LongTermInvestments	3482000000	USD
CY2011Q4	us-gaap	Long Term Investments LongTermInvestments	3522000000	USD
CY2012Q1	us-gaap	Longterm Pollution Control Bond Current And Noncurrent LongtermPollutionControlBondCurrentAndNoncurrent	504000000	USD
CY2011Q4	us-gaap	Minority Interest MinorityInterest	19000000	USD
CY2012Q1	us-gaap	Minority Interest MinorityInterest	16000000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-550000000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	819000000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-534000000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	141000000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-413000000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	491000000	USD
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	52000000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	306000000	USD
CY2011Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-5000000	USD
CY2012Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2011Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-192000000	USD
CY2012Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-218000000	USD
CY2012Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	746000000	USD
CY2011Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	350000000	USD
CY2011Q1	us-gaap	Other Amortization Of Deferred Charges OtherAmortizationOfDeferredCharges	47000000	USD
CY2012Q1	us-gaap	Other Amortization Of Deferred Charges OtherAmortizationOfDeferredCharges	58000000	USD
CY2012Q1	us-gaap	Other Assets Current OtherAssetsCurrent	182000000	USD
CY2011Q4	us-gaap	Other Assets Current OtherAssetsCurrent	122000000	USD
CY2012Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1716000000	USD
CY2011Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1641000000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentBeforeTaxPeriodIncreaseDecrease	9000000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentBeforeTaxPeriodIncreaseDecrease	10000000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease	-53000000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease	-44000000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Before Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPeriodIncreaseDecrease	-6000000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Before Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPeriodIncreaseDecrease	-2000000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Loss Before Tax Period Increase Decrease OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecrease	-41000000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Loss Before Tax Period Increase Decrease OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecrease	-45000000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	-22000000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	-21000000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-19000000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-24000000	USD
CY2012Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	812000000	USD
CY2011Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	993000000	USD
CY2011Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	900000000	USD
CY2012Q1	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1009000000	USD
CY2012Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2011000000	USD
CY2011Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2072000000	USD
CY2012Q1	us-gaap	Other Long Term Investments OtherLongTermInvestments	1011000000	USD
CY2011Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	1008000000	USD
CY2011Q4	us-gaap	Other Receivables OtherReceivables	269000000	USD
CY2012Q1	us-gaap	Other Receivables OtherReceivables	286000000	USD
CY2012Q1	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	-78000000	USD
CY2011Q1	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	-47000000	USD
CY2012Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	8000000	USD
CY2011Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	23000000	USD
CY2012Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	230000000	USD
CY2011Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	190000000	USD
CY2011Q1	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	993000000	USD
CY2012Q1	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	266000000	USD
CY2012Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	589000000	USD
CY2011Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	449000000	USD
CY2011Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	2823000000	USD
CY2012Q1	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	2240000000	USD
CY2012Q1	us-gaap	Pension Contributions PensionContributions	600000000	USD
CY2011Q1	us-gaap	Pension Contributions PensionContributions	157000000	USD
CY2011Q4	us-gaap	Prepaid Taxes PrepaidTaxes	191000000	USD
CY2012Q1	us-gaap	Prepaid Taxes PrepaidTaxes	213000000	USD
CY2012Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2011Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	217000000	USD
CY2012Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-10000000	USD
CY2011Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-4000000	USD
CY2012Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	251000000	USD
CY2011Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	969000000	USD
CY2011Q1	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	0	USD
CY2012Q1	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	1075000000	USD
CY2011Q1	us-gaap	Profit Loss ProfitLoss	47000000	USD
CY2012Q1	us-gaap	Profit Loss ProfitLoss	306000000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	40122000000	USD
CY2012Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	40587000000	USD
CY2012Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	30566000000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	30337000000	USD
CY2011Q1	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	18000000	USD
CY2012Q1	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	17000000	USD
CY2012Q1	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	2006000000	USD
CY2011Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	2030000000	USD
CY2012Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	16000000	USD
CY2011Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	359000000	USD
CY2011Q1	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	214000000	USD
CY2012Q1	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3047000000	USD
CY2012Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3122000000	USD
CY2012Q1	us-gaap	Revenues From External Customers RevenuesFromExternalCustomers	4076000000	USD
CY2011Q1	us-gaap	Revenues From External Customers RevenuesFromExternalCustomers	3544000000	USD
CY2011Q1	us-gaap	Revenues From Transactions With Other Operating Segments Of Same Entity RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity	32000000	USD
CY2012Q1	us-gaap	Revenues From Transactions With Other Operating Segments Of Same Entity RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity	2000000	USD
CY2012Q1	us-gaap	Sale Leaseback Transaction Deferred Gain Net SaleLeasebackTransactionDeferredGainNet	917000000	USD
CY2011Q4	us-gaap	Sale Leaseback Transaction Deferred Gain Net SaleLeasebackTransactionDeferredGainNet	925000000	USD
CY2011Q1	us-gaap	Share Based Compensation ShareBasedCompensation	-9000000	USD
CY2012Q1	us-gaap	Share Based Compensation ShareBasedCompensation	-29000000	USD
CY2012Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	1075000000	USD
CY2011Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	0	USD
CY2012Q1	us-gaap	Stock Issued1 StockIssued1	0	USD
CY2011Q1	us-gaap	Stock Issued1 StockIssued1	4354000000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	13280000000	USD
CY2012Q1	us-gaap	Stockholders Equity StockholdersEquity	13323000000	USD
CY2012Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	13339000000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	13299000000	USD
CY2011Q1	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	237000000	USD
CY2012Q1	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	272000000	USD
CY2011Q1	us-gaap	Unrealized Gain Loss On Commodity Contracts UnrealizedGainLossOnCommodityContracts	25000000	USD
CY2012Q1	us-gaap	Unrealized Gain Loss On Commodity Contracts UnrealizedGainLossOnCommodityContracts	64000000	USD
CY2012Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	45000000	USD
CY2012Q1	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	12000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	11000000	USD
CY2012Q1	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	10000000	USD
CY2011Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	343000000	shares
CY2012Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	420000000	shares
CY2012Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	418000000	shares
CY2011Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	342000000	shares
CY2011Q4	fe	Adverse Power Contract Liability AdversePowerContractLiability	469000000	USD
CY2012Q1	fe	Adverse Power Contract Liability AdversePowerContractLiability	458000000	USD
CY2011Q4	fe	Cash Receivables Payables Deferred Taxes Accrued Income Balance Excluded From Available For Sale Securities CashReceivablesPayablesDeferredTaxesAccruedIncomeBalanceExcludedFromAvailableForSaleSecurities	164000000	USD
CY2012Q1	fe	Cash Receivables Payables Deferred Taxes Accrued Income Balance Excluded From Available For Sale Securities CashReceivablesPayablesDeferredTaxesAccruedIncomeBalanceExcludedFromAvailableForSaleSecurities	160000000	USD
CY2012Q1	fe	Change In Effective Tax Rate As Result Of Non Deductible Portion Of Merger Transaction And Integration Costs ChangeInEffectiveTaxRateAsResultOfNonDeductiblePortionOfMergerTransactionAndIntegrationCosts	30000000	USD
CY2012Q1	fe	Commitment Period By Developed Countries To Provide Funds Years CommitmentPeriodByDevelopedCountriesToProvideFundsYears	P3Y
CY2009Q4	fe	Customer Power Loss Period CustomerPowerLossPeriod	P11H
CY2012Q1	fe	Decrease Net Income Due To Adverse Change In Commodity Prices DecreaseNetIncomeDueToAdverseChangeInCommodityPrices	2000000	USD
CY2011Q1	fe	Deferred Rents And Lease Market Valuation Liability DeferredRentsAndLeaseMarketValuationLiability	15000000	USD
CY2012Q1	fe	Deferred Rents And Lease Market Valuation Liability DeferredRentsAndLeaseMarketValuationLiability	23000000	USD
CY2011Q1	fe	Derivative Instruments Not Designated As Hedging Instruments Additions Or Change In Value Of Existing Contracts DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAdditionsOrChangeInValueOfExistingContracts	-89000000	USD
CY2012Q1	fe	Derivative Instruments Not Designated As Hedging Instruments Additions Or Change In Value Of Existing Contracts DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAdditionsOrChangeInValueOfExistingContracts	-80000000	USD
CY2012Q1	fe	Derivative Instruments Not Designated As Hedging Instruments Settled Contracts DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsSettledContracts	76000000	USD
CY2011Q1	fe	Derivative Instruments Not Designated As Hedging Instruments Settled Contracts DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsSettledContracts	62000000	USD
CY2010Q4	fe	Derivatives Not Designated As Hedging Instruments At Fair Value Net DerivativesNotDesignatedAsHedgingInstrumentsAtFairValueNet	-335000000	USD
CY2011Q1	fe	Derivatives Not Designated As Hedging Instruments At Fair Value Net DerivativesNotDesignatedAsHedgingInstrumentsAtFairValueNet	-362000000	USD
CY2012Q1	fe	Derivatives Not Designated As Hedging Instruments At Fair Value Net DerivativesNotDesignatedAsHedgingInstrumentsAtFairValueNet	-305000000	USD
CY2011Q4	fe	Derivatives Not Designated As Hedging Instruments At Fair Value Net DerivativesNotDesignatedAsHedgingInstrumentsAtFairValueNet	-301000000	USD
CY2012Q1	fe	Expected Adverse Change In Quoted Market Prices Derivative Instruments ExpectedAdverseChangeInQuotedMarketPricesDerivativeInstruments	0.10
CY2012Q1	fe	Grace Period GracePeriod	P30M
CY2012Q1	fe	Income Tax Expense Benefit Purchase Accounting Adjustment IncomeTaxExpenseBenefitPurchaseAccountingAdjustment	20000000	USD
CY2012Q1	fe	Investment In Variable Interest Entities InvestmentInVariableInterestEntities	0	USD
CY2011Q1	fe	Investment Income From Trusts InvestmentIncomeFromTrusts	24000000	USD
CY2012Q1	fe	Investment Income From Trusts InvestmentIncomeFromTrusts	15000000	USD
CY2012Q1	fe	Investments Excludes Receivables Payables Deferred Taxes And Accrued Income InvestmentsExcludesReceivablesPayablesDeferredTaxesAndAccruedIncome	2000000	USD
CY2011Q4	fe	Investments Excludes Receivables Payables Deferred Taxes And Accrued Income InvestmentsExcludesReceivablesPayablesDeferredTaxesAndAccruedIncome	-52000000	USD
CY2012Q1	fe	Investments Not Required To Be Disclosed InvestmentsNotRequiredToBeDisclosed	689000000	USD
CY2011Q4	fe	Investments Not Required To Be Disclosed InvestmentsNotRequiredToBeDisclosed	693000000	USD
CY2012Q1	fe	Losses To Be Amortized To Interest Expenses During Next Twelve Months LossesToBeAmortizedToInterestExpensesDuringNextTwelveMonths	7000000	USD
CY2012Q1	fe	Net Plant Excluding Construction Work In Progress NetPlantExcludingConstructionWorkInProgress	28501000000	USD
CY2011Q4	fe	Net Plant Excluding Construction Work In Progress NetPlantExcludingConstructionWorkInProgress	28283000000	USD
CY2012Q1	fe	Number Of Existing Utility Operating Companies NumberOfExistingUtilityOperatingCompanies	10	Companies
CY2012Q1	fe	Number Of Variable Interest Contracts NumberOfVariableInterestContracts	3	contracts
CY2012Q1	fe	Number Of Variable Interest Contracts NumberOfVariableInterestContracts	3	entities
CY2012Q1	fe	Operating Lease Commitments Net Present Value OperatingLeaseCommitmentsNetPresentValue	1600000000	USD
CY2012Q1	fe	Period In Which Lses May Request Direct Allocation Of Ftrs PeriodInWhichLsesMayRequestDirectAllocationOfFtrs	P2Y
CY2012Q1	fe	Reclassifications From Accumulated Other Comprehensive Loss Into Other Operating Expense ReclassificationsFromAccumulatedOtherComprehensiveLossIntoOtherOperatingExpense	5000000	USD
CY2011Q1	fe	Reclassifications From Accumulated Other Comprehensive Loss Into Other Operating Expense ReclassificationsFromAccumulatedOtherComprehensiveLossIntoOtherOperatingExpense	-5000000	USD
CY2012Q1	fe	Regional Enforcement Entities RegionalEnforcementEntities	8	entities
CY2012Q1	fe	Reportable Operating Segments ReportableOperatingSegments	3	Segments
CY2007Q3	fe	Sale And Leaseback Transactions Of Undivided Interest SaleAndLeasebackTransactionsOfUndividedInterest	0.93825
CY2012Q1	fe	Surety Bonds And Related Guarantees SuretyBondsAndRelatedGuarantees	151000000	USD
CY2012Q1	fe	Unamortized Gains Included In Long Term Debt Associated With Prior Fixed For Floating Interest Rate Swap Agreements UnamortizedGainsIncludedInLongTermDebtAssociatedWithPriorFixedForFloatingInterestRateSwapAgreements	96000000	USD
CY2012Q1	fe	Unamortized Gains Or Losses Associated With Designated Cash Flow Hedges UnamortizedGainsOrLossesAssociatedWithDesignatedCashFlowHedges	14000000	USD
CY2011Q4	fe	Unamortized Gains Or Losses Associated With Designated Cash Flow Hedges UnamortizedGainsOrLossesAssociatedWithDesignatedCashFlowHedges	19000000	USD
CY2012Q1	fe	Unamortized Losses Associated With Prior Interest Rate Hedges UnamortizedLossesAssociatedWithPriorInterestRateHedges	77000000	USD
CY2012Q1	dei	Amendment Flag AmendmentFlag	false
CY2012Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2012Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2012Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012Q1	dei	Document Period End Date DocumentPeriodEndDate	2012-03-31
CY2012Q1	dei	Document Type DocumentType	10-Q
CY2012Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001031296
CY2012Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	418216437	shares
CY2012Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012Q1	dei	Entity Registrant Name EntityRegistrantName	FIRSTENERGY CORP
CY2012Q1	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012Q1	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes

Files In Submission

Name	View Source	Status
R10.htm	Edgar Link	pending
0001031296-12-000021-index-headers.html	Edgar Link	pending
0001031296-12-000021-index.html	Edgar Link	pending
0001031296-12-000021.txt	Edgar Link	pending
0001031296-12-000021-xbrl.zip	Edgar Link	pending
fe-20120331.xml	Edgar Link	completed
fe-20120331.xsd	Edgar Link	pending
fe-20120331_cal.xml	Edgar Link	unprocessable
fe-20120331_def.xml	Edgar Link	unprocessable
fe-20120331_lab.xml	Edgar Link	unprocessable
fe-20120331_pre.xml	Edgar Link	unprocessable
fe-3312012x10q.htm	Edgar Link	pending
fe-3312012xex041g.htm	Edgar Link	pending
fe-3312012xex101.htm	Edgar Link	pending
fe-3312012xex102.htm	Edgar Link	pending
fe-3312012xex103.htm	Edgar Link	pending
fe-3312012xex12.htm	Edgar Link	pending
fe-3312012xex311.htm	Edgar Link	pending
fe-3312012xex312.htm	Edgar Link	pending
fe-3312012xex32.htm	Edgar Link	pending
fe-331x2012xex042d.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
R1.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
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R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$FE
FIRSTENERGY CORP Stock $fe

2012 Q1 Form 10-Q Financial Statement

#000103129612000021 Filed on May 01, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FE FIRSTENERGY CORP Stock $fe

2012 Q1 Form 10-Q Financial Statement

#000103129612000021 Filed on May 01, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FE
FIRSTENERGY CORP Stock $fe