$TVE
Stock $tve

$tve Overview Financials Valuation SEC Filings Company Website

2012 Q3 Form 10-K Financial Statement

#000137698612000043 Filed on November 16, 2012

Income Statement

Concept	2012 Q3	2011 Q3	2010
Revenue			$10.87B
YoY Change			-3.39%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization
YoY Change
% of Gross Profit
Operating Expenses			$8.632B
YoY Change			-7.0%
Operating Profit			$2.242B
YoY Change			13.63%
Interest Expense			$1.294B
YoY Change			1.73%
% of Operating Profit			57.72%
Other Income/Expense, Net			$263.0M
YoY Change			952.0%
Pretax Income
YoY Change
Income Tax
% Of Pretax Income
Net Earnings			$972.0M
YoY Change			33.88%
Net Earnings / Revenue			8.94%
Basic Earnings Per Share
Diluted Earnings Per Share
COMMON SHARES
Basic Shares Outstanding	0.000 shares	0.000 shares
Diluted Shares Outstanding

Balance Sheet

Concept	2012 Q3	2011 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$868.0M	$507.0M
Short-Term Investments
Other Short-Term Assets	$90.00M	$215.0M
YoY Change	-58.14%	175.64%
Inventory	$1.097B	$1.028B
Prepaid Expenses
Receivables	$1.666B	$1.739B
Other Receivables
Total Short-Term Assets	$4.506B	$4.043B
YoY Change	11.45%	5.07%
LONG-TERM ASSETS
Property, Plant & Equipment	$29.73B	$29.31B
YoY Change	1.44%	5.3%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$2.000M
YoY Change
Other Assets	$509.0M	$372.0M
YoY Change	36.83%	94.76%
Total Long-Term Assets	$42.83B	$42.35B
YoY Change	1.13%	8.85%
TOTAL ASSETS
Total Short-Term Assets	$4.506B	$4.043B
Total Long-Term Assets	$42.83B	$42.35B
Total Assets	$47.33B	$46.39B
YoY Change	2.03%	8.51%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$1.507B	$482.0M
YoY Change	212.66%	1685.19%
Long-Term Debt Due	$2.308B	$1.537B
YoY Change	50.16%	52.48%
Total Short-Term Liabilities	$6.988B	$4.909B
YoY Change	42.35%	36.29%
LONG-TERM LIABILITIES
Long-Term Debt	$21.25B	$22.41B
YoY Change	-5.18%	0.1%
Other Long-Term Liabilities	$2.680B	$2.405B
YoY Change	11.43%	57.6%
Total Long-Term Liabilities	$13.77B	$13.84B
YoY Change	-0.53%	19.08%
TOTAL LIABILITIES
Total Short-Term Liabilities	$6.988B	$4.909B
Total Long-Term Liabilities	$13.77B	$13.84B
Total Liabilities	$42.01B	$41.16B
YoY Change	2.05%	9.43%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity
YoY Change
Total Liabilities & Shareholders Equity
YoY Change

Cashflow Statement

Concept	2012 Q3	2011 Q3	2010
OPERATING ACTIVITIES
Net Income			$972.0M
YoY Change			33.88%
Depreciation, Depletion And Amortization
YoY Change
Cash From Operating Activities			$1.901B
YoY Change			-12.11%
INVESTING ACTIVITIES
Capital Expenditures			$2.015B
YoY Change			12.38%
Acquisitions
YoY Change
Other Investing Activities			-$4.000M
YoY Change			-500.0%
Cash From Investing Activities			-$2.458B
YoY Change			7.48%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net			$69.00M
YoY Change			-97.6%
Cash From Financing Activities			$684.0M
YoY Change			510.71%
NET CHANGE
Cash From Operating Activities			$1.901B
Cash From Investing Activities			-$2.458B
Cash From Financing Activities			$684.0M
Net Change In Cash			$127.0M
YoY Change			-1158.33%
FREE CASH FLOW
Cash From Operating Activities			$1.901B
Capital Expenditures			$2.015B
Free Cash Flow			-$114.0M
YoY Change			-130.81%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3510000000	USD
CY2011	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3617000000	USD
CY2010	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3232000000	USD
CY2012	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	308000000	USD
CY2011	us-gaap	Other Expenses OtherExpenses	295000000	USD
CY2012	us-gaap	Other Expenses OtherExpenses	375000000	USD
CY2010	us-gaap	Other Expenses OtherExpenses	263000000	USD
CY2011	us-gaap	Other Income OtherIncome	104000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	64000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-20000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	884000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	300000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	684000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2458000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3142000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2513000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1901000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2437000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2574000000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	60000000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	162000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-43000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	-35000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	17000000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	972000000	USD
CY2011Q3	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	1073000000	USD
CY2012Q3	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	1176000000	USD
CY2010	us-gaap	Operating Expenses OperatingExpenses	8632000000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	9920000000	USD
CY2011	us-gaap	Operating Expenses OperatingExpenses	10404000000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	1300000000	USD
CY2010	us-gaap	Operating Income Loss OperatingIncomeLoss	2242000000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	1437000000	USD
CY2012Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	10000000	USD
CY2012Q3	us-gaap	Other Assets Current OtherAssetsCurrent	90000000	USD
CY2011Q3	us-gaap	Other Assets Current OtherAssetsCurrent	215000000	USD
CY2012Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	509000000	USD
CY2011Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	372000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	7000000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-37000000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-50000000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	99000000	USD
CY2012Q3	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	88000000	USD
CY2011	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	118000000	USD
CY2010	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	161000000	USD
CY2012	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	134000000	USD
CY2011Q3	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	2019000000	USD
CY2012Q3	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	3828000000	USD
CY2012Q3	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	402000000	USD
CY2011Q3	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	191000000	USD
CY2010Q3	us-gaap	Payables To Customers PayablesToCustomers	129000000	USD
CY2011Q3	us-gaap	Payables To Customers PayablesToCustomers	175000000	USD
CY2012Q3	us-gaap	Payables To Customers PayablesToCustomers	204000000	USD
CY2012	us-gaap	Payments For Proceeds From Derivative Instrument Financing Activities PaymentsForProceedsFromDerivativeInstrumentFinancingActivities	-60000000	USD
CY2011	us-gaap	Payments For Proceeds From Derivative Instrument Financing Activities PaymentsForProceedsFromDerivativeInstrumentFinancingActivities	0	USD
CY2010	us-gaap	Payments For Proceeds From Derivative Instrument Financing Activities PaymentsForProceedsFromDerivativeInstrumentFinancingActivities	0	USD
CY2012	us-gaap	Payments For Proceeds From Nuclear Fuel PaymentsForProceedsFromNuclearFuel	361000000	USD
CY2010	us-gaap	Payments For Proceeds From Nuclear Fuel PaymentsForProceedsFromNuclearFuel	401000000	USD
CY2012Q3	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	13000000	USD
CY2011	us-gaap	Payments For Proceeds From Nuclear Fuel PaymentsForProceedsFromNuclearFuel	216000000	USD
CY2012	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-7000000	USD
CY2010	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-4000000	USD
CY2011	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-4000000	USD
CY2011	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	8000000	USD
CY2012	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	75000000	USD
CY2010	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	10000000	USD
CY2011	us-gaap	Payments To Acquire Buildings PaymentsToAcquireBuildings	436000000	USD
CY2011Q3	us-gaap	Other Long Term Debt OtherLongTermDebt	23949000000	USD
CY2011Q3	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	0	USD
CY2011	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	56000000	USD
CY2010	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	42000000	USD
CY2012	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	48000000	USD
CY2012	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	2000000	USD
CY2010	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	25000000	USD
CY2011	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	21000000	USD
CY2012	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	0	USD
CY2010	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	0	USD
CY2011	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	436000000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2417000000	USD
CY2011Q3	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	22412000000	USD
CY2012Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2680000000	USD
CY2011Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2405000000	USD
CY2012Q3	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	20269000000	USD
CY2011	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	30000000	USD
CY2010	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	24000000	USD
CY2012	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	33000000	USD
CY2010	us-gaap	Other Income OtherIncome	99000000	USD
CY2012	us-gaap	Other Income OtherIncome	164000000	USD
CY2012Q3	us-gaap	Other Long Term Debt OtherLongTermDebt	22577000000	USD
CY2012Q3	us-gaap	Other Inventory OtherInventory	12000000	USD
CY2011Q3	us-gaap	Other Inventory OtherInventory	11000000	USD
CY2011Q3	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	102000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1587000000	USD
CY2003	us-gaap	Proceeds From Hedge Financing Activities ProceedsFromHedgeFinancingActivities	175000000	USD
CY2012	us-gaap	Proceeds From Insurance Settlement Operating Activities ProceedsFromInsuranceSettlementOperatingActivities	45000000	USD
CY2010	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1666000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1126000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	1000000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	USD
CY2010	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	USD
CY2012Q1	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	970000000	USD
CY2010	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-2000000	USD
CY2011	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	11000000	USD
CY2012	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1000000	USD
CY2011	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	1021000000	USD
CY2012	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	2723000000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2119000000	USD
CY2010	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2015000000	USD
CY2011	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	465000000	USD
CY2010	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	364000000	USD
CY2012	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	607000000	USD
CY2011	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	455000000	USD
CY2010	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-817000000	USD
CY2012	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	1024000000	USD
CY2011Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	44187000000	USD
CY2012Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	45917000000	USD
CY2011Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	6007000000	USD
CY2012Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	6279000000	USD
CY2011	us-gaap	Pension Contributions PensionContributions	-274000000	USD
CY2012	us-gaap	Pension Contributions PensionContributions	-8000000	USD
CY2010	us-gaap	Pension Contributions PensionContributions	-6000000	USD
CY2012Q3	us-gaap	Postemployment Benefits Liability Current PostemploymentBenefitsLiabilityCurrent	53000000	USD
CY2012Q3	us-gaap	Postemployment Benefits Liability Current And Noncurrent PostemploymentBenefitsLiabilityCurrentAndNoncurrent	597000000	USD
CY2011Q3	us-gaap	Postemployment Benefits Liability Current And Noncurrent PostemploymentBenefitsLiabilityCurrentAndNoncurrent	596000000	USD
CY2010Q3	us-gaap	Postemployment Benefits Liability Current And Noncurrent PostemploymentBenefitsLiabilityCurrentAndNoncurrent	570000000	USD
CY2012Q3	us-gaap	Postemployment Benefits Liability Noncurrent PostemploymentBenefitsLiabilityNoncurrent	544000000	USD
CY2010	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	141000000	USD
CY2012	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	52000000	USD
CY2011	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	81000000	USD
CY2011	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	11000000	USD
CY2010	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	21000000	USD
CY2012	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	10000000	USD
CY2011Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	29305000000	USD
CY2012Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	29727000000	USD
CY2011	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	-126000000	USD
CY2012	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	-171000000	USD
CY2010	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	-79000000	USD
CY2011Q3	us-gaap	Regulatory Assets RegulatoryAssets	12048000000	USD
CY2012Q3	us-gaap	Regulatory Assets RegulatoryAssets	11901000000	USD
CY2012Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	774000000	USD
CY2011Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	543000000	USD
CY2011Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	11505000000	USD
CY2012Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	11127000000	USD
CY2012Q3	us-gaap	Regulatory Liabilities RegulatoryLiabilities	300000000	USD
CY2011Q3	us-gaap	Regulatory Liabilities RegulatoryLiabilities	565000000	USD
CY2012Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	191000000	USD
CY2010	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	94000000	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1021000000	USD
CY2010	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	69000000	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2717000000	USD
CY2010	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	0	USD
CY2011	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	0	USD
CY2012	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	6000000	USD
CY2010	us-gaap	Sale Leaseback Transaction Net Proceeds SaleLeasebackTransactionNetProceeds	11000000	USD
CY2011	us-gaap	Sale Leaseback Transaction Net Proceeds SaleLeasebackTransactionNetProceeds	5000000	USD
CY2012	us-gaap	Sale Leaseback Transaction Net Proceeds SaleLeasebackTransactionNetProceeds	0	USD
CY2012	us-gaap	Sales Revenue Net SalesRevenueNet	11220000000	USD
CY2010	us-gaap	Sales Revenue Net SalesRevenueNet	10874000000	USD
CY2011	us-gaap	Sales Revenue Net SalesRevenueNet	11841000000	USD
CY2012	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	117000000	USD
CY2010	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	116000000	USD
CY2011	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	130000000	USD
CY2011Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	11000000	USD
CY2012Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	11000000	USD
CY2011Q3	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	4662000000	USD
CY2012Q3	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	4768000000	USD
CY2012	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0378
CY2011	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0321
CY2010	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0292
CY2012Q3	us-gaap	Purchase Obligation PurchaseObligation	4300000000	USD
CY2011Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	280000000	USD
CY2012Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	109000000	USD
CY2011Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	285000000	USD
CY2012	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	84000000	USD
CY2011	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	118000000	USD
CY2012Q3	us-gaap	Receivables From Customers ReceivablesFromCustomers	49000000	USD
CY2011Q3	us-gaap	Receivables From Customers ReceivablesFromCustomers	84000000	USD
CY2010Q3	us-gaap	Receivables From Customers ReceivablesFromCustomers	26000000	USD
CY2012	us-gaap	Reclassifications Reclassifications	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;padding-left:18px;font-size:9pt;"><font style="font-family:Arial;font-size:9pt;font-style:italic;">Reclassifications </font></div><div style="line-height:120%;text-align:left;font-size:9pt;"><font style="font-family:Arial;font-size:9pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:9pt;"><font style="font-family:Arial;font-size:9pt;">                Certain reclassifications have been made to the 2011 and 2010 Statements of Cash Flows in the Cash flows from financing activities section, as $</font><font style="font-family:Arial;font-size:9pt;color:#000000;text-decoration:none;">(12) million</font><font style="font-family:Arial;font-size:9pt;"> and $</font><font style="font-family:Arial;font-size:9pt;color:#000000;text-decoration:none;">(13) million</font><font style="font-family:Arial;font-size:9pt;"> of debt issuance discounts previously reported as Financing costs, net for the years ended September 30, 2011 and 2010, respectively, were reclassified as Long-term debt — Issues of power bonds.</font></div><div style="line-height:120%;font-size:9pt;"><font style="font-family:Arial;font-size:9pt;"><br clear="none"/></font></div><div style="line-height:120%;padding-left:18px;font-size:9pt;"><font style="font-family:Arial;font-size:9pt;font-style:italic;"></font></div></div>
CY2010	us-gaap	Recognition Of Deferred Revenue RecognitionOfDeferredRevenue	-105000000	USD
CY2011	us-gaap	Recognition Of Deferred Revenue RecognitionOfDeferredRevenue	-105000000	USD
CY2012	us-gaap	Recognition Of Deferred Revenue RecognitionOfDeferredRevenue	-105000000	USD
CY2012Q3	us-gaap	Regulated Entity Other Assets Noncurrent RegulatedEntityOtherAssetsNoncurrent	11636000000	USD
CY2011Q3	us-gaap	Regulated Entity Other Assets Noncurrent RegulatedEntityOtherAssetsNoncurrent	11877000000	USD
CY2012Q3	tve	Appropriation Investment Nonpower Programs Net AppropriationInvestmentNonpowerProgramsNet	620000000	USD
CY2011Q3	tve	Appropriation Investment Nonpower Programs Net AppropriationInvestmentNonpowerProgramsNet	630000000	USD
CY2011Q3	tve	Appropriation Investment Power Program AppropriationInvestmentPowerProgram	308000000	USD
CY2012Q3	tve	Appropriation Investment Power Program AppropriationInvestmentPowerProgram	288000000	USD
CY2011Q3	tve	Defined Benefit Plan Fair Value Of Plan Derivative Liabilities DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities	626000000	USD
CY2012Q3	tve	Defined Benefit Plan Fair Value Of Plan Derivative Liabilities DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities	493000000	USD
CY2012	tve	Defined Contribution Plan Contribution Amount DefinedContributionPlanContributionAmount	34000000	USD
CY2011	tve	Defined Contribution Plan Contribution Amount DefinedContributionPlanContributionAmount	31000000	USD
CY2010	tve	Defined Contribution Plan Contribution Amount DefinedContributionPlanContributionAmount	27000000	USD
CY2012Q3	tve	Assessment From Licensees For Each Licensed Reactor AssessmentFromLicenseesForEachLicensedReactor	118000000	USD
CY2012Q3	tve	Average Time Period AverageTimePeriod	P5D
CY2012Q3	tve	Balance Balance	5326000000	USD
CY2009Q3	tve	Balance Balance	4218000000	USD
CY2011Q3	tve	Balance Balance	5229000000	USD
CY2010Q3	tve	Balance Balance	5137000000	USD
CY2012Q3	tve	Basis Points If Rating Is Aa Plus BasisPointsIfRatingIsAaPlus	87.5	Basis_points
CY2012Q3	tve	Basis Points If Rating Is Aaa BasisPointsIfRatingIsAaa	62.5	Basis_points
CY2012Q3	tve	Bond Issues With Survivors Option BondIssuesWithSurvivorsOption	20	Bond_issues
CY2012Q3	tve	Bonds Outstanding With Survivors Option BondsOutstandingWithSurvivorsOption	603000000	USD
CY2012Q3	tve	Call Price Percent CallPricePercent	1.00
CY2012Q3	tve	Cash Collateral Write Off CashCollateralWriteOff	2000000	USD
CY2012	tve	Change In Accumulated Postretirement Benefit Obligation ChangeInAccumulatedPostretirementBenefitObligation	11000000	USD
CY2011	tve	Change In Accumulated Postretirement Benefit Obligation ChangeInAccumulatedPostretirementBenefitObligation	142000000	USD
CY2012	tve	Change In Depreciation Rate Impact On Depreciation Expense ChangeInDepreciationRateImpactOnDepreciationExpense	11000000	USD
CY2012	tve	Change In Discount Rate Assumption For Post Employment Benefit Expense ChangeInDiscountRateAssumptionForPostEmploymentBenefitExpense	27	Basis_points
CY2011	tve	Change In Discount Rate Assumption For Post Employment Benefit Expense ChangeInDiscountRateAssumptionForPostEmploymentBenefitExpense	61	Basis_points
CY2011Q3	tve	Commodity Contract Liability Noncurrent CommodityContractLiabilityNoncurrent	119000000	USD
CY2012Q3	tve	Commodity Contract Liability Noncurrent CommodityContractLiabilityNoncurrent	205000000	USD
CY2011Q3	tve	Computed Average Interest Rate Payable ComputedAverageInterestRatePayable	0.0240
CY2012Q3	tve	Computed Average Interest Rate Payable ComputedAverageInterestRatePayable	0.0233
CY2010Q3	tve	Computed Average Interest Rate Payable ComputedAverageInterestRatePayable	0.0258
CY2012Q3	tve	Cost Estimate For First Phase Of Soil Cleanup CostEstimateForFirstPhaseOfSoilCleanup	55000000	USD
CY2012Q3	tve	Cost Estimate For Second Phase Of Soil Cleanup CostEstimateForSecondPhaseOfSoilCleanup	10000000	USD
CY2013	tve	Cost Of Living Adjustment Cap CostOfLivingAdjustmentCap	0.025
CY2012	tve	Cost Of Living Adjustment Cap CostOfLivingAdjustmentCap	0
CY2010	tve	Cost Of Living Adjustment Cap CostOfLivingAdjustmentCap	0
CY2011	tve	Cost Of Living Adjustment Cap CostOfLivingAdjustmentCap	0.030
CY2014	tve	Cost Of Living Adjustment Cap For Calendar Year2014 And Forward CostOfLivingAdjustmentCapForCalendarYear2014AndForward	0.050
CY2012Q3	tve	Ctqte Outstanding Leaseback Obligation CtqteOutstandingLeasebackObligation	825000000	USD
CY2011Q3	tve	Ctqte Outstanding Leaseback Obligation CtqteOutstandingLeasebackObligation	885000000	USD
CY2008Q4	tve	Cubic Yards Of Water And Coal Fly Ash That Flowed Out Of Cell CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell	5000000	Cubic_yards
CY2012	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	1189000000	USD
CY2011Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	482000000	USD
CY2012Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	1507000000	USD
CY2012Q3	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0009
CY2010	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	457000000	USD
CY2011	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	662000000	USD
CY2012	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	622000000	USD
CY2012Q1	us-gaap	Variable Interest Entity Consolidated Carrying Amount Liabilities VariableInterestEntityConsolidatedCarryingAmountLiabilities	1000000000	USD
CY2012Q3	us-gaap	Variable Interest Entity Consolidated Carrying Amount Liabilities VariableInterestEntityConsolidatedCarryingAmountLiabilities	1004000000	USD
CY2012	tve	Accretion Recorded As Regulatory Asset AccretionRecordedAsRegulatoryAsset	172000000	USD
CY2011	tve	Accretion Recorded As Regulatory Asset AccretionRecordedAsRegulatoryAsset	158000000	USD
CY2012	tve	Accumulated Balance Of Qualifying Projects AccumulatedBalanceOfQualifyingProjects	2500000000	USD
CY2012Q1	tve	Additional Cost Of Ownership AdditionalCostOfOwnership	0	USD
CY2012	tve	Afudc Minimum Total Project Cost AfudcMinimumTotalProjectCost	1000000000	USD
CY2012Q3	tve	Agreement Termination Notice Period AgreementTerminationNoticePeriod	P3Y
CY2012Q3	tve	Amortization Period AmortizationPeriod	P5Y
CY2012Q3	tve	Amount Of Appropriation Investment That Must Be Repaid AmountOfAppropriationInvestmentThatMustBeRepaid	1000000000	USD
CY2012Q3	tve	Amount Of Insurance Available For Loss At Any One Site AmountOfInsuranceAvailableForLossAtAnyOneSite	2100000000	USD
CY2012Q3	tve	Amount Of Property Decommissioning And Decontamination Insurance Carried AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried	4600000000	USD
CY2010Q3	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0004
CY2011Q3	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0000
CY2010	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	905000000	USD
CY2012	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	1100000000	USD
CY2011	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	363000000	USD
CY2012	us-gaap	Shortterm Debt Maximum Amount Outstanding During Period ShorttermDebtMaximumAmountOutstandingDuringPeriod	3200000000	USD
CY2011	us-gaap	Shortterm Debt Maximum Amount Outstanding During Period ShorttermDebtMaximumAmountOutstandingDuringPeriod	1400000000	USD
CY2010	us-gaap	Shortterm Debt Maximum Amount Outstanding During Period ShorttermDebtMaximumAmountOutstandingDuringPeriod	1300000000	USD
CY2012Q3	us-gaap	Trading Securities TradingSecurities	1500000000	USD
CY2011Q3	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums Other UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiumsOther	235000000	USD
CY2012Q3	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums Other UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiumsOther	61000000	USD
CY2012	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	USD
CY2011	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	USD
CY2012Q3	tve	Amount Of Redeemable Bond Issues Outstanding AmountOfRedeemableBondIssuesOutstanding	744000000	USD
CY2012Q3	tve	Amount Of Settlement For Potential Liability Related To Soil Cleanup AmountOfSettlementForPotentialLiabilityRelatedToSoilCleanup	300000	USD
CY2012	tve	Amount Spent To Reduce Emissions AmountSpentToReduceEmissions	38000000	USD
CY2011	tve	Amount Spent To Reduce Emissions AmountSpentToReduceEmissions	34000000	USD
CY2010	tve	Amount Spent To Reduce Emissions AmountSpentToReduceEmissions	58000000	USD
CY2012Q3	tve	Amount Spent To Reduce Emissions Since1977 AmountSpentToReduceEmissionsSince1977	5400000000	USD
CY2012	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;text-indent:24px;font-size:9pt;"><font style="font-family:Arial;font-size:9pt;font-style:italic;">Use of Estimates</font></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:9pt;"><font style="font-family:Arial;font-size:9pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:48px;font-size:9pt;"><font style="font-family:Arial;font-size:9pt;">The preparation of financial statements requires TVA to estimate the effects of various matters that are inherently uncertain as of the date of the consolidated financial statements.  Although the consolidated financial statements are prepared in conformity with GAAP, TVA is required to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities, and the amounts of revenues and expenses reported during the reporting period.  Each of these estimates varies in regard to the level of judgment involved and its potential impact on TVA's financial results.  Estimates are deemed critical either when a different estimate could have reasonably been used, or where changes in the estimate are reasonably likely to occur from period to period, and such use or change would materially impact TVA's financial condition, results of operations, or cash flows.</font></div><div style="line-height:120%;text-align:left;font-size:9pt;"><font style="font-family:Arial;font-size:9pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;padding-left:18px;font-size:9pt;"><font style="font-family:Arial;font-size:9pt;font-style:italic;"></font></div></div>
CY2012	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1919000000	USD
CY2010	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1724000000	USD
CY2011	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	1772000000	USD
CY2010	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	2092000000	USD
CY2012	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	2680000000	USD
CY2011	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	2926000000	USD
CY2010	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	1127000000	USD
CY2011	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	1427000000	USD
CY2012Q3	tve	Debt Ceiling DebtCeiling	30000000000	USD
CY2011	tve	Defined Benefit Plan Actual Rate Of Return On Plan Assets DefinedBenefitPlanActualRateOfReturnOnPlanAssets	0.0100
CY2012	tve	Defined Benefit Plan Actual Rate Of Return On Plan Assets DefinedBenefitPlanActualRateOfReturnOnPlanAssets	0.1681
CY2013	tve	Defined Benefit Plan Amortization From Regulatory Assets Of Net Gains Losses DefinedBenefitPlanAmortizationFromRegulatoryAssetsOfNetGainsLosses	399000000	USD
CY2013	tve	Defined Benefit Plan Amortization From Regulatory Assets Of Net Prior Service Cost Credit DefinedBenefitPlanAmortizationFromRegulatoryAssetsOfNetPriorServiceCostCredit	28000000	USD
CY2012	tve	Defined Benefit Plan Assumptions Maintained For Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsMaintainedForCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0725
CY2012	tve	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase High End Of Range DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseHighEndOfRange	0.1010
CY2012	tve	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase Low End Of Range DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange	0.0330
CY2012Q3	tve	Defined Benefit Plan Cost Of Living Adjustment Assumption DefinedBenefitPlanCostOfLivingAdjustmentAssumption	0.025
CY2011Q3	tve	Defined Benefit Plan Cost Of Living Adjustment Assumption DefinedBenefitPlanCostOfLivingAdjustmentAssumption	0.025
CY2011Q3	tve	Long Term Debt Of Variable Interest Entities LongTermDebtOfVariableInterestEntities	0	USD
CY2012Q3	tve	Long Term Debt Of Variable Interest Entities LongTermDebtOfVariableInterestEntities	981000000	USD
CY2011Q3	tve	Long Term Debt Of Variable Interest Entities Including Current Maturities LongTermDebtOfVariableInterestEntitiesIncludingCurrentMaturities	0	USD
CY2012Q3	tve	Long Term Debt Of Variable Interest Entities Including Current Maturities LongTermDebtOfVariableInterestEntitiesIncludingCurrentMaturities	994000000	USD
CY2012Q3	tve	Long Term Outstanding Power Bonds Net LongTermOutstandingPowerBondsNet	20269000000	USD
CY2011Q3	tve	Long Term Outstanding Power Bonds Net LongTermOutstandingPowerBondsNet	22412000000	USD
CY2012Q3	tve	Long Term Power Bonds LongTermPowerBonds	20330000000	USD
CY2011Q3	tve	Long Term Power Bonds LongTermPowerBonds	22647000000	USD
CY2012Q3	tve	Long Term Power Bonds Including Current Maturities LongTermPowerBondsIncludingCurrentMaturities	22600000000	USD
CY2012Q3	tve	Low End Of Cleanup Estimate LowEndOfCleanupEstimate	6000000	USD
CY2012	tve	Market Related Value Phase In Period Number Of Years MarketRelatedValuePhaseInPeriodNumberOfYears	3	Years
CY2012Q3	tve	Market Value Limitation Of Outstanding Construction Materials Hedging Transactions MarketValueLimitationOfOutstandingConstructionMaterialsHedgingTransactions	100000000	USD
CY2012Q3	tve	Maximum Amount Of Retrospecitve Premiums MaximumAmountOfRetrospecitvePremiums	109000000	USD
CY2012Q3	tve	Discount Notes Years To Maturity High End Of Range DiscountNotesYearsToMaturityHighEndOfRange	P1Y
CY2012	tve	Discount Per Kilowatt Hour DiscountPerKilowattHour	0.025	USD
CY2012Q3	tve	Discounted Energy Units Contract Period1 DiscountedEnergyUnitsContractPeriod1	P5Y
CY2012Q3	tve	Discounted Energy Units Contract Period2 DiscountedEnergyUnitsContractPeriod2	P10Y
CY2012Q3	tve	Discounted Energy Units Contract Period3 DiscountedEnergyUnitsContractPeriod3	P15Y
CY2012Q3	tve	Discounted Energy Units Contract Period4 DiscountedEnergyUnitsContractPeriod4	P20Y
CY2012Q3	tve	Environmental Agreements Liability EnvironmentalAgreementsLiability	237000000	USD
CY2011Q3	tve	Environmental Agreements Liability EnvironmentalAgreementsLiability	346000000	USD
CY2012Q3	tve	Estimated Future Payments Attributable To Bleu Fuel Currently In Use EstimatedFuturePaymentsAttributableToBleuFuelCurrentlyInUse	49000000	USD
CY2012Q3	tve	Maximum Assessment Per Nuclear Incident MaximumAssessmentPerNuclearIncident	705000000	USD
CY2011	tve	External Services ExternalServices	19000000	USD
CY2012	tve	External Services ExternalServices	7000000	USD
CY2010	tve	External Services ExternalServices	7000000	USD
CY2011Q3	tve	Fair Value Plan Assets Gross FairValuePlanAssetsGross	7569000000	USD
CY2012Q3	tve	Fair Value Plan Assets Gross FairValuePlanAssetsGross	7666000000	USD
CY2012	tve	Fixed And Variable Fund Maximum Annual Contribution FixedAndVariableFundMaximumAnnualContribution	10000	USD
CY2010	tve	Fixed Fund Balance Credit Percentage Subtracted From Actuarial Rate Of Return After January12010 FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010	0.005
CY2012	tve	Fixed Fund Balance Credit Percentage Subtracted From Actuarial Rate Of Return After January12010 FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010	0.005
CY2010	tve	Fixed Fund Balance Interest Credit Rate After January12010 FixedFundBalanceInterestCreditRateAfterJanuary12010	0.060
CY2012	tve	Fixed Fund Balance Interest Credit Rate After January12010 FixedFundBalanceInterestCreditRateAfterJanuary12010	0.06
CY2011	tve	Fixed Fund Interest Credit Amount FixedFundInterestCreditAmount	39000000	USD
CY2012	tve	Fixed Fund Interest Credit Amount FixedFundInterestCreditAmount	38000000	USD
CY2012	tve	Fixed Fund Interest Credit Rate FixedFundInterestCreditRate	0.06
CY2009	tve	Fixed Fund Interest Credit Rate FixedFundInterestCreditRate	0.0725
CY2012Q3	tve	Maximum Hedge Volume MaximumHedgeVolume	0.75
CY2012Q3	tve	Maximum Idemnity If Covered Accident Tasks Or Keeps Nuclear Unit Offline MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline	490000000	USD
CY2012	tve	Maximum Interest Credit Percentage For Cash Balance Benefit MaximumInterestCreditPercentageForCashBalanceBenefit	0.10
CY2012Q3	tve	Maximum Original Maturity MaximumOriginalMaturity	P3M
CY2012Q3	tve	Maximum Payment Required Per Accident In Any One Year MaximumPaymentRequiredPerAccidentInAnyOneYear	105000000	USD
CY2012Q3	tve	Maximum Term For Purchase Of Enriched Uranium And Fabrication Of Nuclear Fuel Assemblies MaximumTermForPurchaseOfEnrichedUraniumAndFabricationOfNuclearFuelAssemblies	19 years
CY2012Q3	tve	Maximum Term Length For Purchase And Transportation Of Coal MaximumTermLengthForPurchaseAndTransportationOfCoal	P11Y
CY2012Q3	tve	Megawatt Allocation MegawattAllocation	405	Megawatts
CY2012Q3	tve	Megawatts Provided Under Power Purchase Obligations MegawattsProvidedUnderPowerPurchaseObligations	1222	Megawatts
CY2011	tve	Fixed Fund Interest Credit Rate FixedFundInterestCreditRate	0.06
CY2012Q3	tve	Fixed Rate Period For Coupon Rate Reset On Parrs FixedRatePeriodForCouponRateResetOnParrs	P5Y
CY2012Q3	tve	Ftp Transaction Limit FtpTransactionLimit	130000000	USD
CY2012	tve	Minimum Interest Credit Percentage For Cash Balance Benefit MinimumInterestCreditPercentageForCashBalanceBenefit	0.06
CY2012Q3	tve	Minimum Investment Period MinimumInvestmentPeriod	P10Y
CY2011	tve	Fuel Cost Tax Equivalents FuelCostTaxEquivalents	135000000	USD
CY2012	tve	Fuel Cost Tax Equivalents FuelCostTaxEquivalents	47000000	USD
CY2010	tve	Fuel Cost Tax Equivalents FuelCostTaxEquivalents	-89000000	USD
CY2012Q3	tve	Fuel Purchase Obligations Due FuelPurchaseObligationsDue	2800000000	USD
CY2012Q3	tve	High End Of Cleanup Estimate HighEndOfCleanupEstimate	25000000	USD
CY2012	tve	Incremental Amount Of Discounted Energy Units IncrementalAmountOfDiscountedEnergyUnits	1000000	USD
CY2012Q3	tve	Minimum Required Hours Of Power MinimumRequiredHoursOfPower	1500	Hours
CY2010	tve	Miscellaneous Miscellaneous	8000000	USD
CY2011	tve	Miscellaneous Miscellaneous	2000000	USD
CY2012	tve	Miscellaneous Miscellaneous	0	USD
CY2012Q3	tve	Net Completed Plant NetCompletedPlant	23748000000	USD
CY2011Q3	tve	Net Completed Plant NetCompletedPlant	23544000000	USD
CY2012	tve	Net Effect On Earnings NetEffectOnEarnings	0	USD
CY2011	tve	Net Effect On Earnings NetEffectOnEarnings	0	USD
CY2012	tve	Inter Vendor Pricing Variance InterVendorPricingVariance	0.02
CY2012Q3	tve	Kingston Amounts Spent To Date KingstonAmountsSpentToDate	856000000	USD
CY2012Q1	tve	Lease Term LeaseTerm	P50Y
CY2012Q3	tve	Lease Terms High End Of Range LeaseTermsHighEndOfRange	80	Years
CY2012Q3	tve	Lease Terms Low End Of Range LeaseTermsLowEndOfRange	1	Years
CY2003Q3	tve	Leaseback Transaction Number Of Units LeasebackTransactionNumberOfUnits	24	Units
CY2011Q3	tve	Liabilities And Proprietary Capital LiabilitiesAndProprietaryCapital	46393000000	USD
CY2012Q3	tve	Liabilities And Proprietary Capital LiabilitiesAndProprietaryCapital	47334000000	USD
CY2011Q3	tve	Loans And Other Long Term Receivables Including Current Maturities Net LoansAndOtherLongTermReceivablesIncludingCurrentMaturitiesNet	74000000	USD
CY2010	tve	Net Effect On Earnings NetEffectOnEarnings	0	USD
CY2012Q3	tve	Net Payables NetPayables	141000000	USD
CY2011Q3	tve	Net Payables NetPayables	394000000	USD
CY2012Q3	tve	Nuclear Accident Assessment Limitation Per Year Per Unit NuclearAccidentAssessmentLimitationPerYearPerUnit	18000000	USD
CY2012Q3	tve	Nuclear Liability Insurance NuclearLiabilityInsurance	375000000	USD
CY2012Q3	tve	Number Of Active Future Commission Merchants NumberOfActiveFutureCommissionMerchants	2
CY2012Q3	tve	Number Of Areas Of Cleanup NumberOfAreasOfCleanup	4	Areas
CY2012Q3	tve	Number Of Bond Tests NumberOfBondTests	2
CY2012Q3	tve	Number Of British Pound Streling Denominated Bond Transactions NumberOfBritishPoundStrelingDenominatedBondTransactions	3	Bond_issues
CY2012	tve	Number Of Consecutive Highest Base Pay Years NumberOfConsecutiveHighestBasePayYears	3	Years
CY2012Q3	tve	Number Of Contracts NumberOfContracts	1	Contracts
CY2008Q3	tve	Number Of Counterparties That Exercised Their Rights Prior To2009 NumberOfCounterpartiesThatExercisedTheirRightsPriorTo2009	3	Swaptions
CY2012Q3	tve	Number Of Credit Rating Agencies NumberOfCreditRatingAgencies	1	Agencies
CY2011Q3	tve	Number Of Customers That Represent Percent Of Outstanding Accounts Receivable NumberOfCustomersThatRepresentPercentOfOutstandingAccountsReceivable	3	Customers
CY2005Q3	tve	Number Of Deferred Generating Units NumberOfDeferredGeneratingUnits	2	Units
CY2008Q4	tve	Number Of Dredge Cells That Failed NumberOfDredgeCellsThatFailed	1	Dredge_cells
CY2012Q3	tve	Number Of Hydroelectic Facilities With Reduced Production NumberOfHydroelecticFacilitiesWithReducedProduction	2	Facilities
CY2005Q3	tve	Number Of Interest Rate Swaption Agreements Prior To2006 NumberOfInterestRateSwaptionAgreementsPriorTo2006	4	Swaptions
CY2012Q3	tve	Number Of Issues Of Putable Automatic Rate Reset Securities Outstanding NumberOfIssuesOfPutableAutomaticRateResetSecuritiesOutstanding	2	PARRS_issues
CY2012Q3	tve	Number Of Issues With Partial Maturities NumberOfIssuesWithPartialMaturities	1	Electronotes
CY2012Q3	tve	Number Of Licensed Nuclear Units NumberOfLicensedNuclearUnits	6	Units
CY2012Q3	tve	Number Of Phases Of Soil Cleanup NumberOfPhasesOfSoilCleanup	2	Phases
CY2012Q3	tve	Number Of Procedures For Determining Estimates For Costs Of Nuclear Decommissioning NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning	2	Procedures
CY2012	tve	Number Of Qualified Defined Benefit Plans NumberOfQualifiedDefinedBenefitPlans	1	Number_of_qualified_defined_benefit_pension_plans
CY2012	tve	Number Of Qualified Defined Contribution Plans NumberOfQualifiedDefinedContributionPlans	1	Number_of_qualified_defined_contribution_plans
CY2012Q3	tve	Number Of Readily Available Quoted Exchange Prices For Investments NumberOfReadilyAvailableQuotedExchangePricesForInvestments	0	Prices
CY2012Q3	tve	Number Of Redemption Or Limited Redemption Options NumberOfRedemptionOrLimitedRedemptionOptions	0	Redemption_options
CY2012Q3	tve	Number Of Sites NumberOfSites	1	Sites
CY2012Q3	tve	Number Of Types Of Bonds Outstanding NumberOfTypesOfBondsOutstanding	2	Types_of_bonds
CY2012Q3	tve	Number Of Us Army Corps Of Engineers Hydroelectric Facilities Contracted With To Obtain Power NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower	8	Facilities
CY2012	tve	Number Of Unfunded Post Retirement Health Care Plans NumberOfUnfundedPostRetirementHealthCarePlans	2
CY2012	tve	Number Of Variable Interest Entities NumberOfVariableInterestEntities	2	variable_interest_entities
CY2012	tve	Number Of Venture Capital Partnership Main Groupings NumberOfVentureCapitalPartnershipMainGroupings	2	Venture_Capital_Partnership_Groupings
CY2012Q3	tve	Number Of Vies NumberOfVies	2	variable_interest_entities
CY2012	tve	Number Of Years During Which Cost Of Living Adjustment Changed NumberOfYearsDuringWhichCostOfLivingAdjustmentChanged	P4Y
CY2012	tve	Number Of Years In Interval For Appraisals Of Private Real Estate NumberOfYearsInIntervalForAppraisalsOfPrivateRealEstate	3	Years
CY2012Q3	tve	Other Long Term Assets OtherLongTermAssets	190000000	USD
CY2011Q3	tve	Other Long Term Assets OtherLongTermAssets	13000000	USD
CY2012Q3	tve	Loans And Other Long Term Receivables Including Current Maturities Net LoansAndOtherLongTermReceivablesIncludingCurrentMaturitiesNet	225000000	USD
CY2011Q3	tve	Payables For Collateral On Loaned Securities PayablesForCollateralOnLoanedSecurities	3000000	USD
CY2012Q3	tve	Payables For Collateral On Loaned Securities PayablesForCollateralOnLoanedSecurities	3000000	USD
CY2010	tve	Payments To Us Treasury PaymentsToUSTreasury	29000000	USD
CY2012	tve	Payments To Us Treasury PaymentsToUSTreasury	27000000	USD
CY2011	tve	Payments To Us Treasury PaymentsToUSTreasury	27000000	USD
CY2011Q3	tve	Percent Of Total Outstanding Accounts Receivables PercentOfTotalOutstandingAccountsReceivables	0.26
CY2012	tve	Percentage Added To Consumer Price Index For Interest Credit Of Cash Balance Benefit PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit	0.03
CY2012	tve	Percentage Of Straight Time Earnings For Cash Balance Benefit Credit PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit	0.06
CY2009Q4	tve	Period Collected In Rates PeriodCollectedInRates	P15Y
CY2012	tve	Period During Which Actual Company Compensation Experience Study Performed PeriodDuringWhichActualCompanyCompensationExperienceStudyPerformed	P5Y
CY2012Q3	tve	Period For Commitments And Contingencies Shown PeriodForCommitmentsAndContingenciesShown	P5Y
CY2011Q3	tve	Period Of Time After Closing That Buyer Holds Portion Of Purchase Price PeriodOfTimeAfterClosingThatBuyerHoldsPortionOfPurchasePrice	P547D
CY2012Q3	tve	Period Of Time For Customers To Fulfill Payment Arrangements PeriodOfTimeForCustomersToFulfillPaymentArrangements	P90D
CY2012Q3	tve	Period Of Time Where Investor Contributes Capital To Investment In Private Partnership Maximum PeriodOfTimeWhereInvestorContributesCapitalToInvestmentInPrivatePartnershipMaximum	P4Y
CY2012Q3	tve	Period Of Time Where Investor Contributes Capital To Investment In Private Partnership Minimum PeriodOfTimeWhereInvestorContributesCapitalToInvestmentInPrivatePartnershipMinimum	P3Y
CY2012Q3	tve	Population Of Service Area PopulationOfServiceArea	9000000	People
CY2012Q3	tve	Portfolio Value At Risk Limit For Foreign Currency Transactions PortfolioValueAtRiskLimitForForeignCurrencyTransactions	5000000	USD
CY2011	tve	Portion Of Purchase Price Held By Buyer PortionOfPurchasePriceHeldByBuyer	11000000	USD
CY2012	tve	Portion Of Purchase Price Held By Buyer PortionOfPurchasePriceHeldByBuyer	11000000	USD
CY2012Q3	tve	Possible Additional Future Costs For Compliance With Clean Air Act Requirements PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements	2300000000	USD
CY2012Q3	tve	Possible Amount Of Future Payments PossibleAmountOfFuturePayments	250000000	USD
CY2010	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0253
CY2011	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0192
CY2012	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0165
CY2012Q3	tve	Power Bonds Years To Maturity High End Of Range PowerBondsYearsToMaturityHighEndOfRange	P50Y
CY2012Q3	tve	Power Bonds Years To Maturity Low End Of Range PowerBondsYearsToMaturityLowEndOfRange	P1Y
CY2011	tve	Power Purchased Under Agreement PowerPurchasedUnderAgreement	713000000	USD
CY2012	tve	Power Purchased Under Agreement PowerPurchasedUnderAgreement	447000000	USD
CY2010	tve	Power Purchased Under Agreement PowerPurchasedUnderAgreement	504000000	USD
CY2004	tve	Prepayment Period PrepaymentPeriod	P180M
CY2003	tve	Proceeds In2003 ProceedsIn2003	389000000	USD
CY2003	tve	Proceeds Prior To2004 ProceedsPriorTo2004	945000000	USD
CY2011Q3	tve	Proprietary Capital ProprietaryCapital	5229000000	USD
CY2012Q3	tve	Proprietary Capital ProprietaryCapital	5326000000	USD
CY2012	tve	Rate Of Cash Balance Benefit Credit For Calendar Year RateOfCashBalanceBenefitCreditForCalendarYear	0.06
CY2011	tve	Rate Of Cash Balance Benefit Credit For Calendar Year RateOfCashBalanceBenefitCreditForCalendarYear	0.06
CY2010	tve	Reclassification From Financing Costs Net To Long Term Debt Issues Of Power Bonds ReclassificationFromFinancingCostsNetToLongTermDebtIssuesOfPowerBonds	-13000000	USD
CY2011	tve	Reclassification From Financing Costs Net To Long Term Debt Issues Of Power Bonds ReclassificationFromFinancingCostsNetToLongTermDebtIssuesOfPowerBonds	-12000000	USD
CY2012Q3	tve	Recorded Cost For Emission Allowances Granted By Environmental Protection Agency RecordedCostForEmissionAllowancesGrantedByEnvironmentalProtectionAgency	0	USD
CY2012Q3	tve	Remaining Appropriation Investment RemainingAppropriationInvestment	258000000	USD
CY2012Q3	tve	Remaining Natural Resource Damages Are Less Than RemainingNaturalResourceDamagesAreLessThan	1000000	USD
CY2012Q3	tve	Remaining Terms Of Agreements High End Of Range RemainingTermsOfAgreementsHighEndOfRange	P20Y
CY2012Q3	tve	Remaining Terms Of Agreements Low End Of Range RemainingTermsOfAgreementsLowEndOfRange	P3M
CY2012Q3	tve	Required Maximum Notification Period RequiredMaximumNotificationPeriod	P30D
CY2012Q3	tve	Retained Earnings Power Program RetainedEarningsPowerProgram	4492000000	USD
CY2011Q3	tve	Retained Earnings Power Program RetainedEarningsPowerProgram	4429000000	USD
CY2012	tve	Retirement Age Of Eligibility For Cost Of Living Adjustment After January12010 RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010	60	Years
CY2010	tve	Retirement Age Of Eligibility For Cost Of Living Adjustment After January12010 RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010	60
CY2012Q3	tve	Retrospective Premiums RetrospectivePremiums	31000000	USD
CY2012	tve	Return Of Appropriation Investment ReturnOfAppropriationInvestment	-20000000	USD
CY2011	tve	Return Of Appropriation Investment ReturnOfAppropriationInvestment	-20000000	USD
CY2010	tve	Return Of Appropriation Investment ReturnOfAppropriationInvestment	-24000000	USD
CY2010	tve	Return On Appropriation Investment ReturnOnAppropriationInvestment	-9000000	USD
CY2011	tve	Return On Appropriation Investment ReturnOnAppropriationInvestment	-7000000	USD
CY2012	tve	Return On Appropriation Investment ReturnOnAppropriationInvestment	-7000000	USD
CY2011Q3	tve	Outstanding Leaseback Obligation OutstandingLeasebackObligation	397000000	USD
CY2012Q3	tve	Outstanding Leaseback Obligation OutstandingLeasebackObligation	378000000	USD
CY2012Q3	tve	Sssls Ownership Interest SsslsOwnershipInterest	0.90
CY2012Q3	tve	Subsequent Period After Nuclear Refueling Outage When Benefits Of Costs Are Realized Minimum SubsequentPeriodAfterNuclearRefuelingOutageWhenBenefitsOfCostsAreRealizedMinimum	P18M
CY2012Q3	tve	Subsequent Period After Nuclear Refueling Outage When Benefits Of Costs Are Realized Maximum SubsequentPeriodAfterNuclearRefuelingOutageWhenBenefitsOfCostsAreRealizedMaximum	P24M
CY2012Q3	tve	Surcharge For Legal Expenses SurchargeForLegalExpenses	0.05
CY2011Q3	tve	Swaption Liability Fair Value SwaptionLiabilityFairValue	1077000000	USD
CY2012Q3	tve	Swaption Liability Fair Value SwaptionLiabilityFairValue	0	USD
CY2015Q3	tve	Time Period For Meeting Bondholder Protection Test TimePeriodForMeetingBondholderProtectionTest	P5Y
CY2010Q3	tve	Time Period For Meeting Bondholder Protection Test TimePeriodForMeetingBondholderProtectionTest	P5Y
CY2012Q3	tve	Time Period For Meeting Bondholder Protection Test TimePeriodForMeetingBondholderProtectionTest	P5Y
CY2012Q3	tve	Total Amount Of Protection Available TotalAmountOfProtectionAvailable	12000000000	USD
CY2012Q3	tve	Total Current Liabilities Variable Interest Entity TotalCurrentLiabilitiesVariableInterestEntity	23000000	USD
CY2012Q3	tve	Total Long Term Debt Variable Interest Entities TotalLongTermDebtVariableInterestEntities	981000000	USD
CY2012Q3	tve	Total Outstanding Discount Notes TotalOutstandingDiscountNotes	1500000000	USD
CY2012Q3	tve	Total Power Program Proprietary Capital TotalPowerProgramProprietaryCapital	4780000000	USD
CY2011Q3	tve	Total Power Program Proprietary Capital TotalPowerProgramProprietaryCapital	4737000000	USD
	tve	Total Sales Through Deu Program Since Inception TotalSalesThroughDeuProgramSinceInception	55000000	USD
CY2012Q3	tve	Us Congress Is Required To Take Action If These Layes Are Exhausted USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted	2	Insurance_layers
CY2012Q3	tve	Unpaid Appropriation Investment UnpaidAppropriationInvestment	30000000	USD
CY2012	dei	Amendment Flag AmendmentFlag	false
CY2012	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2012	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2012	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2012-09-30
CY2012	dei	Document Type DocumentType	10-K
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0001376986
CY2012Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	0	shares
CY2012	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2012Q3	dei	Entity Public Float EntityPublicFloat	0	USD
CY2012	dei	Entity Registrant Name EntityRegistrantName	Tennessee Valley Authority
CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2012Q3	invest	Derivative Notional Amount DerivativeNotionalAmount	1000000000	USD
CY2011	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	-22000000	USD
CY2012Q3	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	143000000	USD
CY2012Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	22169000000	USD
CY2011Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	20643000000	USD
CY2011Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-138000000	USD
CY2011	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	USD
CY2012	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	USD
CY2011Q3	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	194000000	USD
CY2011Q3	us-gaap	Allowance For Notes And Loans Receivable Noncurrent AllowanceForNotesAndLoansReceivableNoncurrent	11000000	USD
CY2012Q3	us-gaap	Allowance For Notes And Loans Receivable Noncurrent AllowanceForNotesAndLoansReceivableNoncurrent	12000000	USD
CY2011Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	1840000000	USD
CY2012Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	1922000000	USD
CY2012Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	1585000000	USD
CY2011Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	1638000000	USD
CY2011Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1739000000	USD
CY2012Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1666000000	USD
CY2012	us-gaap	Accretion Expense AccretionExpense	54000000	USD
CY2012Q3	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	269000000	USD
CY2012Q3	us-gaap	Accrual For Environmental Loss Contingencies Gross AccrualForEnvironmentalLossContingenciesGross	11000000	USD
CY2011Q3	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	182000000	USD
CY2012Q3	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	126000000	USD
CY2012Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-74000000	USD
CY2012Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	7000000	USD
CY2011Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1000000	USD
CY2010	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	28000000	USD
CY2012	us-gaap	Amortization Of Nuclear Fuel Lease AmortizationOfNuclearFuelLease	264000000	USD
CY2011	us-gaap	Amortization Of Nuclear Fuel Lease AmortizationOfNuclearFuelLease	225000000	USD
CY2010	us-gaap	Amortization Of Nuclear Fuel Lease AmortizationOfNuclearFuelLease	238000000	USD
CY2010	us-gaap	Amortization Of Regulatory Asset AmortizationOfRegulatoryAsset	102000000	USD
CY2012	us-gaap	Amortization Of Regulatory Asset AmortizationOfRegulatoryAsset	0	USD
CY2011	us-gaap	Amortization Of Regulatory Asset AmortizationOfRegulatoryAsset	42000000	USD
CY2011Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	3138000000	USD
CY2010Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	2963000000	USD
CY2012Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	3289000000	USD
CY2012	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	2000000	USD
CY2011Q3	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	26000000	USD
CY2012Q3	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	35000000	USD
CY2012Q3	us-gaap	Capital Leases Net Investment In Direct Financing Leases CapitalLeasesNetInvestmentInDirectFinancingLeases	10000000	USD
CY2011	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	4000000	USD
CY2012Q3	us-gaap	Assets Assets	47334000000	USD
CY2012Q3	us-gaap	Assets Current AssetsCurrent	4506000000	USD
CY2011Q3	us-gaap	Assets Current AssetsCurrent	4043000000	USD
CY2012	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	-22000000	USD
CY2012	us-gaap	Asset Retirement Obligation Period Increase Decrease AssetRetirementObligationPeriodIncreaseDecrease	151000000	USD
CY2011	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	35000000	USD
CY2012	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-1000000	USD
CY2011Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	3138000000	USD
CY2012Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	3289000000	USD
CY2011Q3	us-gaap	Assets Assets	46393000000	USD
CY2012Q3	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	443000000	USD
CY2011Q3	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	80000000	USD
CY2011Q3	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	1202000000	USD
CY2012Q3	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	760000000	USD
CY2012	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	31000000	USD
CY2010	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	29000000	USD
CY2011	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	31000000	USD
CY2011Q3	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	57000000	USD
CY2012Q3	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	26000000	USD
CY2011Q3	us-gaap	Cash Cash	27000000	USD
CY2010Q3	us-gaap	Cash Cash	227000000	USD
CY2012Q3	us-gaap	Cash Cash	32000000	USD
CY2011Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	507000000	USD
CY2012Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	868000000	USD
CY2010Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	328000000	USD
CY2009Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	201000000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	179000000	USD
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	127000000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	361000000	USD
CY2012Q3	us-gaap	Contractual Obligation ContractualObligation	612000000	USD
CY2012Q3	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	110000000	USD
CY2012Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	994000000	USD
CY2003Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	1000000000	USD
CY2012Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2011Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q3	us-gaap	Commitments Fair Value Disclosure CommitmentsFairValueDisclosure	150000000	USD
CY2011Q3	us-gaap	Commodity Contract Asset Noncurrent CommodityContractAssetNoncurrent	285000000	USD
CY2012Q3	us-gaap	Commodity Contract Asset Noncurrent CommodityContractAssetNoncurrent	107000000	USD
CY2012Q3	us-gaap	Contractual Obligation Due In Fifth Year ContractualObligationDueInFifthYear	100000000	USD
CY2012Q3	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	100000000	USD
CY2012Q3	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	102000000	USD
CY2012Q3	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	100000000	USD
CY2012Q3	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	100000000	USD
CY2010	us-gaap	Debt Instrument Interest Rate During Period DebtInstrumentInterestRateDuringPeriod	0.0009
CY2011	us-gaap	Debt Instrument Interest Rate During Period DebtInstrumentInterestRateDuringPeriod	0.0014
CY2012	us-gaap	Debt Instrument Interest Rate During Period DebtInstrumentInterestRateDuringPeriod	0.0008
CY2012Q3	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	61000000	USD
CY2012Q3	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-9000000	USD
CY2011Q3	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-12000000	USD
CY2012Q3	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	24100000000	USD
CY2012Q3	us-gaap	Deferred Revenue DeferredRevenue	52000000	USD
CY2011Q3	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	105000000	USD
CY2012Q3	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	102000000	USD
CY2012Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	11955000000	USD
CY2011Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	10943000000	USD
CY2012Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	7029000000	USD
CY2011Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	6546000000	USD
CY2011	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1792000000	USD
CY2012	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1947000000	USD
CY2012Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	510000000	USD
CY2011Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	612000000	USD
CY2011	us-gaap	Deferred Revenue Revenue Recognized DeferredRevenueRevenueRecognized	5000000	USD
CY2012	us-gaap	Deferred Revenue Revenue Recognized DeferredRevenueRevenueRecognized	5000000	USD
CY2010	us-gaap	Deferred Revenue Revenue Recognized DeferredRevenueRevenueRecognized	5000000	USD
CY2011Q3	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0450
CY2010Q3	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0500
CY2012Q3	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0400
CY2012Q3	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0.0444
CY2011Q3	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0.0443
CY2010	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0775
CY2012	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0725
CY2011	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0750
CY2012	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	114000000	USD
CY2012	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	7000000	USD
CY2012	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	110000000	USD
CY2012	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	7000000	USD
CY2012	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed For Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear	0.0850
CY2011	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed For Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear	0.0800
CY2010	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed For Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear	0.0800
CY2009	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed For Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear	0.0800
CY2012Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	11680000000	USD
CY2011Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	11255000000	USD
CY2012	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate DefinedBenefitPlanUltimateHealthCareCostTrendRate	0.0500
CY2010	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1743000000	USD
CY2012Q3	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Assets DerivativeCreditRiskValuationAdjustmentDerivativeAssets	49000000	USD
CY2012Q3	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	2000000	USD
CY2012Q2	us-gaap	Derivative Fixed Interest Rate DerivativeFixedInterestRate	0.0825
CY2012	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	USD
CY2011	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	USD
CY2012	us-gaap	Derivative Instruments Gain Loss Recognized In Income Net DerivativeInstrumentsGainLossRecognizedInIncomeNet	0	USD
CY2010	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	10713000000	USD
CY2012	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	11086000000	USD
CY2011	us-gaap	Electric Utility Revenue ElectricUtilityRevenue	11723000000	USD
CY2012Q3	us-gaap	Energy Related Inventory EnergyRelatedInventory	508000000	USD
CY2011Q3	us-gaap	Energy Related Inventory EnergyRelatedInventory	489000000	USD
CY2012	us-gaap	Environmental Expense And Liabilities EnvironmentalExpenseAndLiabilities	73000000	USD
CY2010	us-gaap	Environmental Expense And Liabilities EnvironmentalExpenseAndLiabilities	62000000	USD
CY2004	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	1500000000	USD
CY2010	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	6000000	USD
CY2010	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-119000000	USD
CY2012	us-gaap	Increase Decrease In Deferred Fuel Costs IncreaseDecreaseInDeferredFuelCosts	-61000000	USD
CY2011	us-gaap	Increase Decrease In Deferred Fuel Costs IncreaseDecreaseInDeferredFuelCosts	69000000	USD
CY2010	us-gaap	Increase Decrease In Deferred Fuel Costs IncreaseDecreaseInDeferredFuelCosts	-898000000	USD
CY2012	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-26000000	USD
CY2011	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-4000000	USD
CY2011	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-71000000	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-131000000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-139000000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	35000000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	34000000	USD
CY2012	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	0	USD
CY2011	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	11000000	USD
CY2010	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	0	USD
CY2011	us-gaap	Interest And Debt Expense InterestAndDebtExpense	1431000000	USD
CY2010	us-gaap	Interest And Debt Expense InterestAndDebtExpense	1373000000	USD
CY2012	us-gaap	Interest And Debt Expense InterestAndDebtExpense	1444000000	USD
CY2010	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	79000000	USD
CY2011	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	126000000	USD
CY2012	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	171000000	USD
CY2011	us-gaap	Interest Expense InterestExpense	1305000000	USD
CY2010	us-gaap	Interest Expense InterestExpense	1294000000	USD
CY2012	us-gaap	Interest Expense InterestExpense	1273000000	USD
CY2012	us-gaap	Interest Expense Other InterestExpenseOther	34000000	USD
CY2012	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	21000000	USD
CY2010	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	6000000	USD
CY2011	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	8000000	USD
CY2012	us-gaap	Interest Paid InterestPaid	1400000000	USD
CY2010	us-gaap	Interest Paid InterestPaid	1400000000	USD
CY2011	us-gaap	Interest Paid InterestPaid	1400000000	USD
CY2011	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	-108000000	USD
CY2012	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	-103000000	USD
CY2010	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	-369000000	USD
CY2012Q3	us-gaap	Equity Method Investments EquityMethodInvestments	2000000	USD
CY2011	us-gaap	Environmental Expense And Liabilities EnvironmentalExpenseAndLiabilities	76000000	USD
CY2012Q3	us-gaap	Foreign Currency Derivative Assets At Fair Value ForeignCurrencyDerivativeAssetsAtFairValue	21000000	USD
CY2011Q3	us-gaap	Foreign Currency Derivative Assets At Fair Value ForeignCurrencyDerivativeAssetsAtFairValue	0	USD
CY2011Q3	us-gaap	Foreign Currency Derivative Liabilities At Fair Value ForeignCurrencyDerivativeLiabilitiesAtFairValue	131000000	USD
CY2012Q3	us-gaap	Foreign Currency Derivative Liabilities At Fair Value ForeignCurrencyDerivativeLiabilitiesAtFairValue	54000000	USD
CY2012	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	41000000	USD
CY2011	us-gaap	Gain Loss On Investments GainLossOnInvestments	1000000	USD
CY2010	us-gaap	Gain Loss On Investments GainLossOnInvestments	3000000	USD
CY2012	us-gaap	Gain Loss On Investments GainLossOnInvestments	5000000	USD
CY2012Q3	us-gaap	Hedging Liabilities Noncurrent HedgingLiabilitiesNoncurrent	59000000	USD
CY2011Q3	us-gaap	Hedging Liabilities Noncurrent HedgingLiabilitiesNoncurrent	78000000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	60000000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	60000000	USD
CY2010	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	308000000	USD
CY2010	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-342000000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	89000000	USD
CY2011	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-62000000	USD
CY2012Q3	us-gaap	Interest Payable Current InterestPayableCurrent	376000000	USD
CY2011Q3	us-gaap	Interest Payable Current InterestPayableCurrent	403000000	USD
CY2011Q3	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	463000000	USD
CY2012Q3	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	1723000000	USD
CY2011Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	555000000	USD
CY2012Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	605000000	USD
CY2012Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	28000000	USD
CY2011Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	27000000	USD
CY2011Q3	us-gaap	Inventory Net InventoryNet	1028000000	USD
CY2012Q3	us-gaap	Inventory Net InventoryNet	1097000000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	67000000	USD
CY2011Q3	us-gaap	Liabilities Liabilities	41164000000	USD
CY2012Q3	us-gaap	Liabilities Liabilities	42008000000	USD
CY2011Q3	us-gaap	Liabilities Current LiabilitiesCurrent	4909000000	USD
CY2012Q3	us-gaap	Liabilities Current LiabilitiesCurrent	6988000000	USD
CY2012Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	13770000000	USD
CY2011	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	77000000	USD
CY2010	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	57000000	USD
CY2011Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	13843000000	USD
CY2012Q3	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	150000000	USD
CY2011Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	1537000000	USD
CY2012Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	18561000000	USD
CY2012Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	2321000000	USD
CY2012Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	1571000000	USD
CY2012Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	47000000	USD
CY2012Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	1046000000	USD
CY2012Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	45000000	USD
CY2012Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	21250000000	USD
CY2011Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	22412000000	USD
CY2011Q3	us-gaap	Long Term Investments LongTermInvestments	1168000000	USD
CY2012Q3	us-gaap	Long Term Investments LongTermInvestments	1465000000	USD
CY2011Q3	us-gaap	Long Term Investments And Receivables Net LongTermInvestmentsAndReceivablesNet	74000000	USD
CY2012Q3	us-gaap	Long Term Investments And Receivables Net LongTermInvestmentsAndReceivablesNet	191000000	USD
CY2012Q3	us-gaap	Loss Contingency Estimate Of Possible Loss LossContingencyEstimateOfPossibleLoss	1100000000	USD
CY2012Q3	us-gaap	Loss Contingency Range Of Possible Loss Maximum LossContingencyRangeOfPossibleLossMaximum	1200000000	USD
CY2012Q3	us-gaap	Loss Contingency Range Of Possible Loss Minimum LossContingencyRangeOfPossibleLossMinimum	1100000000	USD
CY2012Q3	us-gaap	Long Term Debt LongTermDebt	23591000000	USD
CY2012Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	2308000000	USD

Files In Submission

Name	View Source	Status
0001376986-12-000043-index-headers.html	Edgar Link	pending
0001376986-12-000043-index.html	Edgar Link	pending
0001376986-12-000043.txt	Edgar Link	pending
0001376986-12-000043-xbrl.zip	Edgar Link	pending
exhibit1045.htm	Edgar Link	pending
exhibit1048.htm	Edgar Link	pending
exhibit1051.htm	Edgar Link	pending
exhibit1052.htm	Edgar Link	pending
exhibit1053.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
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report.css	Edgar Link	pending
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tva-logoa01.jpg	Edgar Link	pending
tvamegamap912.jpg	Edgar Link	pending
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tve-20120930.xml	Edgar Link	completed
tve-20120930.xsd	Edgar Link	pending
tve-20120930_cal.xml	Edgar Link	unprocessable
tve-20120930_def.xml	Edgar Link	unprocessable
tve-20120930_lab.xml	Edgar Link	unprocessable
tve-20120930_pre.xml	Edgar Link	unprocessable

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2012 Q3 Form 10-K Financial Statement

#000137698612000043 Filed on November 16, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TVE Stock $tve

2012 Q3 Form 10-K Financial Statement

#000137698612000043 Filed on November 16, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TVE
Stock $tve