$TVE
Stock $tve

$tve Overview Financials Valuation SEC Filings Company Website

2024 Q3 Form 10-K Financial Statement

#000137698624000029 Filed on November 14, 2024

Income Statement

Concept	2024 Q3	2024
Revenue		$12.31B
YoY Change		2.16%
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		$1.800B
YoY Change		-5.26%
% of Gross Profit
Operating Expenses		$10.09B
YoY Change		-2.64%
Operating Profit		$2.228B
YoY Change		31.52%
Interest Expense		$42.00M
YoY Change		23.53%
% of Operating Profit		1.89%
Other Income/Expense, Net		$71.00M
YoY Change		16.39%
Pretax Income
YoY Change
Income Tax
% Of Pretax Income
Net Earnings		$1.135B
YoY Change		127.0%
Net Earnings / Revenue		9.22%
Basic Earnings Per Share
Diluted Earnings Per Share
COMMON SHARES
Basic Shares Outstanding	0.000 shares
Diluted Shares Outstanding

Balance Sheet

Concept	2024 Q3	2024
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$502.0M
Short-Term Investments
Other Short-Term Assets	$120.0M
YoY Change	-10.45%
Inventory	$1.155B
Prepaid Expenses
Receivables	$1.801B
Other Receivables
Total Short-Term Assets	$3.769B
YoY Change	2.81%
LONG-TERM ASSETS
Property, Plant & Equipment	$39.07B
YoY Change	4.22%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$344.0M
YoY Change	4.24%
Total Long-Term Assets	$53.93B
YoY Change	13.12%
TOTAL ASSETS
Total Short-Term Assets	$3.769B
Total Long-Term Assets	$53.93B
Total Assets	$57.70B
YoY Change	12.39%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$5.873B
YoY Change	20.52%
LONG-TERM LIABILITIES
Long-Term Debt	$18.76B
YoY Change	-0.07%
Other Long-Term Liabilities	$1.712B
YoY Change	41.37%
Total Long-Term Liabilities	$20.48B
YoY Change	2.44%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.873B
Total Long-Term Liabilities	$20.48B
Total Liabilities	$26.35B
YoY Change	5.99%
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	$57.70B
YoY Change	12.39%

Cashflow Statement

Concept	2024 Q3	2024
OPERATING ACTIVITIES
Net Income		$1.135B
YoY Change		127.0%
Depreciation, Depletion And Amortization		$1.800B
YoY Change		-5.26%
Cash From Operating Activities		$3.003B
YoY Change		4.56%
INVESTING ACTIVITIES
Capital Expenditures		$3.281B
YoY Change		29.89%
Acquisitions
YoY Change
Other Investing Activities		-$34.00M
YoY Change		240.0%
Cash From Investing Activities		-$3.591B
YoY Change		19.94%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		$590.0M
YoY Change		379.67%
NET CHANGE
Cash From Operating Activities		$3.003B
Cash From Investing Activities		-$3.591B
Cash From Financing Activities		$590.0M
Net Change In Cash		$2.000M
YoY Change		100.0%
FREE CASH FLOW
Cash From Operating Activities		$3.003B
Capital Expenditures		$3.281B
Free Cash Flow		-$278.0M
YoY Change		-180.35%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2024	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2024	dei	Amendment Flag AmendmentFlag	false
CY2024	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
CY2024	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	62-0474417
CY2024	dei	Entity Address Address Line1 EntityAddressAddressLine1	400 W. Summit Hill Drive
CY2024	dei	Entity Address City Or Town EntityAddressCityOrTown	Knoxville
CY2024	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	37902 (Zip Code)
CY2024	dei	City Area Code CityAreaCode	(865)
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CY2024	dei	Entity Address State Or Province EntityAddressStateOrProvince	TN
CY2024	dei	Local Phone Number LocalPhoneNumber	632-2101
CY2024	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2024	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	2000000	usd
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CY2023Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	5566000000	usd
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	149000000	usd
CY2023Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	177000000	usd
CY2024Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	344000000	usd
CY2023Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	330000000	usd
CY2024Q3	us-gaap	Investments And Other Noncurrent Assets InvestmentsAndOtherNoncurrentAssets	9901000000	usd
CY2023Q3	us-gaap	Investments And Other Noncurrent Assets InvestmentsAndOtherNoncurrentAssets	6073000000	usd
CY2024Q3	us-gaap	Assets Assets	57703000000	usd
CY2023Q3	us-gaap	Assets Assets	51344000000	usd
CY2024Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	2910000000	usd
CY2023Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	2618000000	usd
CY2024Q3	us-gaap	Interest Payable Current InterestPayableCurrent	280000000	usd
CY2023Q3	us-gaap	Interest Payable Current InterestPayableCurrent	272000000	usd
CY2024Q3	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	283000000	usd
CY2023Q3	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	272000000	usd
CY2024Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	174000000	usd
CY2023Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	222000000	usd
CY2024Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	1167000000	usd
CY2023Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	432000000	usd
CY2024Q3	us-gaap	Unsecured Debt Current UnsecuredDebtCurrent	1022000000	usd
CY2023Q3	us-gaap	Unsecured Debt Current UnsecuredDebtCurrent	1022000000	usd
CY2024Q3	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	37000000	usd
CY2023Q3	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	35000000	usd
CY2024Q3	us-gaap	Liabilities Current LiabilitiesCurrent	5873000000	usd
CY2023Q3	us-gaap	Liabilities Current LiabilitiesCurrent	4873000000	usd
CY2024Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	2887000000	usd
CY2023Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	2527000000	usd
CY2024Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	10523000000	usd
CY2023Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	7217000000	usd
CY2024Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	700000000	usd
CY2023Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	576000000	usd
CY2024Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1712000000	usd
CY2023Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1211000000	usd
CY2024Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	83000000	usd
CY2023Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	107000000	usd
CY2024Q3	tve	Noncurrent Liabilities Other Than Long Term Debt NoncurrentLiabilitiesOtherThanLongTermDebt	15905000000	usd
CY2023Q3	tve	Noncurrent Liabilities Other Than Long Term Debt NoncurrentLiabilitiesOtherThanLongTermDebt	11638000000	usd
CY2024Q3	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	17867000000	usd
CY2023Q3	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	17844000000	usd
CY2024Q3	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	897000000	usd
CY2023Q3	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	933000000	usd
CY2024Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	18764000000	usd
CY2023Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	18777000000	usd
CY2024Q3	tve	Total Liabilities TotalLiabilities	40542000000	usd
CY2023Q3	tve	Total Liabilities TotalLiabilities	35288000000	usd
CY2024Q3	tve	Appropriation Investment Power Program AppropriationInvestmentPowerProgram	258000000	usd
CY2023Q3	tve	Appropriation Investment Power Program AppropriationInvestmentPowerProgram	258000000	usd
CY2024Q3	tve	Retained Earnings Power Program RetainedEarningsPowerProgram	16437000000	usd
CY2023Q3	tve	Retained Earnings Power Program RetainedEarningsPowerProgram	15302000000	usd
CY2024Q3	tve	Total Power Program Proprietary Capital TotalPowerProgramProprietaryCapital	16695000000	usd
CY2023Q3	tve	Total Power Program Proprietary Capital TotalPowerProgramProprietaryCapital	15560000000	usd
CY2024Q3	tve	Appropriation Investment Nonpower Programs Net AppropriationInvestmentNonpowerProgramsNet	518000000	usd
CY2023Q3	tve	Appropriation Investment Nonpower Programs Net AppropriationInvestmentNonpowerProgramsNet	525000000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-52000000	usd
CY2023Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-29000000	usd
CY2024Q3	tve	Proprietary Capital ProprietaryCapital	17161000000	usd
CY2023Q3	tve	Proprietary Capital ProprietaryCapital	16056000000	usd
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	57703000000	usd
CY2023Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	51344000000	usd
CY2024	us-gaap	Net Income Loss NetIncomeLoss	1135000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1108000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-157000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	48000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	42000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-93000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-23000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	57000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-64000000	usd
CY2024	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1112000000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1044000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1108000000	usd
CY2022	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	2076000000	usd
CY2022	us-gaap	Amortization Of Nuclear Fuel Lease AmortizationOfNuclearFuelLease	347000000	usd
CY2022	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	328000000	usd
CY2024	tve	Reg Asset Amortization RegAssetAmortization	71000000	usd
CY2022	us-gaap	Amortization Of Regulatory Asset AmortizationOfRegulatoryAsset	70000000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	412000000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	163000000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1000000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	282000000	usd
CY2023	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-1000000	usd
CY2022	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-7000000	usd
CY2024	us-gaap	Pension Contributions PensionContributions	304000000	usd
CY2022	us-gaap	Pension Contributions PensionContributions	308000000	usd
CY2024	us-gaap	Asset Retirement Obligation Cash Paid To Settle AssetRetirementObligationCashPaidToSettle	283000000	usd
CY2023	us-gaap	Asset Retirement Obligation Cash Paid To Settle AssetRetirementObligationCashPaidToSettle	327000000	usd
CY2022	us-gaap	Asset Retirement Obligation Cash Paid To Settle AssetRetirementObligationCashPaidToSettle	291000000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	82000000	usd
CY2024	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3003000000	usd
CY2022	us-gaap	Payments For Proceeds From Nuclear Fuel PaymentsForProceedsFromNuclearFuel	283000000	usd
CY2022	tve	Acquisition Of Leasehold Interests In Combustion Turbine Assets AcquisitionOfLeaseholdInterestsInCombustionTurbineAssets	0	usd
CY2024	us-gaap	Payments To Acquire Assets Investing Activities PaymentsToAcquireAssetsInvestingActivities	52000000	usd
CY2023	us-gaap	Payments To Acquire Assets Investing Activities PaymentsToAcquireAssetsInvestingActivities	51000000	usd
CY2022	us-gaap	Payments To Acquire Assets Investing Activities PaymentsToAcquireAssetsInvestingActivities	51000000	usd
CY2024	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	4000000	usd
CY2023	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	7000000	usd
CY2022	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	9000000	usd
CY2022	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	15000000	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-26000000	usd
CY2024	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3591000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2994000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2663000000	usd
CY2022	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	484000000	usd
CY2022	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	1028000000	usd
CY2022	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	43000000	usd
CY2022	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	392000000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	85000000	usd
CY2022	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	3000000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	123000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-283000000	usd
CY2024	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2000000	usd
CY2021Q3	tve	Proprietary Capital ProprietaryCapital	14465000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1108000000	usd
CY2022Q3	tve	Proprietary Capital ProprietaryCapital	15505000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	500000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	57000000	usd
CY2023	tve	Return On Appropriation Investment ReturnOnAppropriationInvestment	6000000	usd
CY2023Q3	tve	Proprietary Capital ProprietaryCapital	16056000000	usd
CY2024	us-gaap	Net Income Loss NetIncomeLoss	1135000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-23000000	usd
CY2024	tve	Return On Appropriation Investment ReturnOnAppropriationInvestment	7000000	usd
CY2024Q3	tve	Proprietary Capital ProprietaryCapital	17161000000	usd
CY2024Q3	tve	Population Of Service Area PopulationOfServiceArea	10000000	people
CY2014Q3	tve	Appropriation Investment Power Program AppropriationInvestmentPowerProgram	1000000000.0	usd
CY2024	us-gaap	Fiscal Period FiscalPeriod	<div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Fiscal Year</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">TVA's fiscal year ends September 30. Years (2024, 2023, etc.) refer to TVA's fiscal years unless they are preceded by "CY," in which case the references are to calendar years.</span></div>
CY2024	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Use of Estimates</span></div><div style="text-indent:18pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">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 considered 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.</span></div>
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	502000000	usd
CY2023Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	501000000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	21000000	usd
CY2023Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	20000000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	523000000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	521000000	usd
CY2023Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1000000	usd
CY2024Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1000000	usd
CY2024Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2000000	usd
CY2023Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3000000	usd
CY2024	tve	Pre Commercial Ops Capitalized Revenue PreCommercialOpsCapitalizedRevenue	-3000000	usd
CY2024	tve	Pre Commercial Ops Capitalized Fuel PreCommercialOpsCapitalizedFuel	3000000	usd
CY2024	tve	Amortizationperiod Amortizationperiod	P7Y
CY2024	tve	Reimbursementsfrom Doe ReimbursementsfromDOE	284000000	usd
CY2024Q3	tve	Accountsreceivablefrom Doe AccountsreceivablefromDOE	13000000	usd
CY2024	us-gaap	Depreciation Depreciation	1800000000	usd
CY2023	us-gaap	Depreciation Depreciation	1900000000	usd
CY2022	us-gaap	Depreciation Depreciation	1800000000	usd
CY2024	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0292
CY2023	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0314
CY2022	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0298
CY2024Q3	tve	Reacquired Rights ReacquiredRights	312000000	usd
CY2023Q3	tve	Reacquired Rights ReacquiredRights	324000000	usd
CY2024	tve	Amortizationof Reacquired Rights AmortizationofReacquiredRights	11000000	usd
CY2023	tve	Amortizationof Reacquired Rights AmortizationofReacquiredRights	10000000	usd
CY2022	tve	Amortizationof Reacquired Rights AmortizationofReacquiredRights	6000000	usd
CY2024Q3	tve	Accumulated Amortization Of Reacquired Rights AccumulatedAmortizationOfReacquiredRights	63000000	usd
CY2023Q3	tve	Accumulated Amortization Of Reacquired Rights AccumulatedAmortizationOfReacquiredRights	52000000	usd
CY2024	tve	Amortization Reacquired Rights Year1 AmortizationReacquiredRightsYear1	12000000	usd
CY2024	tve	Amortization Reacquired Rights Year2 AmortizationReacquiredRightsYear2	11000000	usd
CY2024	tve	Amortization Reacquired Rights Year3 AmortizationReacquiredRightsYear3	12000000	usd
CY2024	tve	Amortization Reacquired Rights Year4 AmortizationReacquiredRightsYear4	11000000	usd
CY2024	tve	Amortization Reacquired Rights Year5 AmortizationReacquiredRightsYear5	11000000	usd
CY2024	tve	Amortization Reacquired Rights Year Thereafter AmortizationReacquiredRightsYearThereafter	255000000	usd
CY2024Q3	tve	Finance Lease Under Ppa FinanceLeaseUnderPPA	550000000	usd
CY2024Q3	tve	Operating Lease Under Ppa OperatingLeaseUnderPPA	121000000	usd
CY2023Q3	tve	Finance Lease Under Ppa FinanceLeaseUnderPPA	390000000	usd
CY2023Q3	tve	Operating Lease Under Ppa OperatingLeaseUnderPPA	135000000	usd
CY2024Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	1683000000	usd
CY2023Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	1627000000	usd
CY2024Q3	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	118000000	usd
CY2023Q3	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	118000000	usd
CY2024Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1801000000	usd
CY2023Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1745000000	usd
CY2023Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1000000	usd
CY2024Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1000000	usd
CY2024Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	931000000	usd
CY2023Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	849000000	usd
CY2024Q3	us-gaap	Energy Related Inventory EnergyRelatedInventory	286000000	usd
CY2023Q3	us-gaap	Energy Related Inventory EnergyRelatedInventory	313000000	usd
CY2024Q3	us-gaap	Other Inventory Net Of Reserves OtherInventoryNetOfReserves	11000000	usd
CY2023Q3	us-gaap	Other Inventory Net Of Reserves OtherInventoryNetOfReserves	15000000	usd
CY2024Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	73000000	usd
CY2023Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	69000000	usd
CY2024Q3	us-gaap	Inventory Net InventoryNet	1155000000	usd
CY2023Q3	us-gaap	Inventory Net InventoryNet	1108000000	usd
CY2024Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	41000000	usd
CY2023Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	28000000	usd
CY2024Q3	tve	Prepaid Software Maintenance PrepaidSoftwareMaintenance	22000000	usd
CY2023Q3	tve	Prepaid Software Maintenance PrepaidSoftwareMaintenance	18000000	usd
CY2024Q3	us-gaap	Prepaid Insurance PrepaidInsurance	19000000	usd
CY2023Q3	us-gaap	Prepaid Insurance PrepaidInsurance	16000000	usd
CY2024Q3	tve	Prepaid Long Term Service Agreements Current PrepaidLongTermServiceAgreementsCurrent	7000000	usd
CY2023Q3	tve	Prepaid Long Term Service Agreements Current PrepaidLongTermServiceAgreementsCurrent	25000000	usd
CY2024Q3	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	13000000	usd
CY2023Q3	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	19000000	usd
CY2024Q3	us-gaap	Other Assets Current OtherAssetsCurrent	120000000	usd
CY2023Q3	us-gaap	Other Assets Current OtherAssetsCurrent	134000000	usd
CY2024	us-gaap	Derivatives Methods Of Accounting Hedging Derivatives DerivativesMethodsOfAccountingHedgingDerivatives	<div style="text-indent:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Commodity Contract Derivative Assets. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">TVA enters into certain derivative contracts for natural gas that require physical</span></div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">delivery of the contracted quantity of the commodity as well as certain financial derivative contracts to hedge exposure to the price of natural gas. Commodity contract derivative assets classified as current include deliveries or settlements that will occur within 12 months or less. See</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Note 15 </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">— Risk Management Activities and Derivative Transactions — Derivatives Not Receiving Hedge Accounting Treatment — Commodity Derivatives </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">and </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">— Commodity Derivatives under the FHP </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">for a</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"> </span>discussion of TVA's commodity contract derivatives.
CY2024Q3	tve	Completed Plant CompletedPlant	70989000000	usd
CY2024Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	38793000000	usd
CY2024Q3	tve	Net Completed Plant NetCompletedPlant	32196000000	usd
CY2023Q3	tve	Completed Plant CompletedPlant	68199000000	usd
CY2023Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	35871000000	usd
CY2023Q3	tve	Net Completed Plant NetCompletedPlant	32328000000	usd
	tve	Accelerateddepreciation Accelerateddepreciation	659000000	usd
CY2023	tve	Accelerateddepreciation Accelerateddepreciation	177000000	usd
CY2022	tve	Accelerateddepreciation Accelerateddepreciation	140000000	usd
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	149000000	usd
CY2023Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	177000000	usd
CY2024Q3	tve	Finance Lease Right Of Use Asset After Accumulated Amortization FinanceLeaseRightOfUseAssetAfterAccumulatedAmortization	729000000	usd
CY2023Q3	tve	Finance Lease Right Of Use Asset After Accumulated Amortization FinanceLeaseRightOfUseAssetAfterAccumulatedAmortization	572000000	usd
CY2024Q3	tve	Total Lease Assets TotalLeaseAssets	878000000	usd
CY2023Q3	tve	Total Lease Assets TotalLeaseAssets	749000000	usd
CY2024Q3	tve	Current Finance Lease Liability CurrentFinanceLeaseLiability	80000000	usd
CY2023Q3	tve	Current Finance Lease Liability CurrentFinanceLeaseLiability	56000000	usd
CY2024Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	700000000	usd
CY2023Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	576000000	usd
CY2024Q3	tve	Total Lease Liabilities TotalLeaseLiabilities	931000000	usd
CY2023Q3	tve	Total Lease Liabilities TotalLeaseLiabilities	796000000	usd
CY2024	us-gaap	Operating Lease Cost OperatingLeaseCost	77000000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	69000000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	56000000	usd
CY2024	us-gaap	Variable Lease Cost VariableLeaseCost	258000000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	134000000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	78000000	usd
CY2024	us-gaap	Short Term Lease Cost ShortTermLeaseCost	10000000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	18000000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	26000000	usd
CY2024	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	79000000	usd
CY2023	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	57000000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	58000000	usd
CY2024	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	37000000	usd
CY2023	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	43000000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	42000000	usd
CY2024	tve	Total Finance Lease Costs TotalFinanceLeaseCosts	116000000	usd
CY2023	tve	Total Finance Lease Costs TotalFinanceLeaseCosts	100000000	usd
CY2022	tve	Total Finance Lease Costs TotalFinanceLeaseCosts	100000000	usd
CY2024	us-gaap	Lease Cost LeaseCost	461000000	usd
CY2023	us-gaap	Lease Cost LeaseCost	321000000	usd
CY2022	us-gaap	Lease Cost LeaseCost	260000000	usd
CY2024	tve	Operating Cash Flows For Operating Leases OperatingCashFlowsForOperatingLeases	78000000	usd
CY2023	tve	Operating Cash Flows For Operating Leases OperatingCashFlowsForOperatingLeases	77000000	usd
CY2022	tve	Operating Cash Flows For Operating Leases OperatingCashFlowsForOperatingLeases	57000000	usd
CY2024	tve	Operating Cash Flows For Finance Leases OperatingCashFlowsForFinanceLeases	37000000	usd
CY2023	tve	Operating Cash Flows For Finance Leases OperatingCashFlowsForFinanceLeases	43000000	usd
CY2022	tve	Operating Cash Flows For Finance Leases OperatingCashFlowsForFinanceLeases	42000000	usd
CY2024	tve	Financing Cash Flows For Finance Leases FinancingCashFlowsForFinanceLeases	76000000	usd
CY2023	tve	Financing Cash Flows For Finance Leases FinancingCashFlowsForFinanceLeases	56000000	usd
CY2022	tve	Financing Cash Flows For Finance Leases FinancingCashFlowsForFinanceLeases	60000000	usd
CY2024	tve	Lease Assets Obtained In Exchange For Lease Obligations Operating LeaseAssetsObtainedInExchangeForLeaseObligationsOperating	115000000	usd
CY2023	tve	Lease Assets Obtained In Exchange For Lease Obligations Operating LeaseAssetsObtainedInExchangeForLeaseObligationsOperating	84000000	usd
CY2022	tve	Lease Assets Obtained In Exchange For Lease Obligations Operating LeaseAssetsObtainedInExchangeForLeaseObligationsOperating	43000000	usd
CY2024	tve	Lease Assets Obtained In Exchange For Lease Obligations Finance LeaseAssetsObtainedInExchangeForLeaseObligationsFinance	230000000	usd
CY2023	tve	Lease Assets Obtained In Exchange For Lease Obligations Finance LeaseAssetsObtainedInExchangeForLeaseObligationsFinance	3000000	usd
CY2022	tve	Lease Assets Obtained In Exchange For Lease Obligations Finance LeaseAssetsObtainedInExchangeForLeaseObligationsFinance	0	usd
CY2024Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y
CY2023Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y
CY2024Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P9Y
CY2023Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P10Y
CY2024Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.043
CY2023Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.041
CY2024Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.176
CY2023Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.216
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	68000000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	34000000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	31000000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	18000000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4000000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	8000000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	163000000	usd
CY2024Q3	tve	Present Value Of Future Minimum Lease Payments Operating PresentValueOfFutureMinimumLeasePaymentsOperating	-12000000	usd
CY2024Q3	tve	Operating Present Value Of Net Minimum Lease Payments OperatingPresentValueOfNetMinimumLeasePayments	151000000	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	140000000	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	139000000	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	137000000	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	133000000	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	132000000	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	452000000	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	1133000000	usd
CY2024Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	353000000	usd
CY2024Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	780000000	usd
CY2024Q3	tve	New Pp As With Battery Storage NewPPAsWithBatteryStorage	991000000	usd
CY2024Q3	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	84000000	usd
CY2023Q3	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	97000000	usd
CY2024Q3	tve	Prepaid Long Term Service Agreements Noncurrent PrepaidLongTermServiceAgreementsNoncurrent	62000000	usd
CY2023Q3	tve	Prepaid Long Term Service Agreements Noncurrent PrepaidLongTermServiceAgreementsNoncurrent	64000000	usd
CY2024Q3	tve	Transfers Accounted For As Secured Borrowings Assets Carrying Amount Long Term TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmountLongTerm	44000000	usd
CY2024Q3	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	35000000	usd
CY2023Q3	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	15000000	usd
CY2024Q3	tve	Prepaid Capital Assets PrepaidCapitalAssets	29000000	usd
CY2023Q3	tve	Prepaid Capital Assets PrepaidCapitalAssets	28000000	usd
CY2024Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	344000000	usd
CY2023Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	330000000	usd
CY2023Q3	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	15000000	usd
CY2024Q3	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	21000000	usd
CY2023Q3	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	7000000	usd
CY2023Q3	tve	Transfers Accounted For As Secured Borrowings Assets Carrying Amount Current TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmountCurrent	12000000	usd
CY2024Q3	tve	Transfers Accounted For As Secured Borrowings Assets Carrying Amount Current TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmountCurrent	12000000	usd
CY2024Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2000000	usd
CY2023Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	3000000	usd
CY2024Q3	tve	Prepaid Long Term Service Agreements Current PrepaidLongTermServiceAgreementsCurrent	7000000	usd
CY2023Q3	tve	Prepaid Long Term Service Agreements Current PrepaidLongTermServiceAgreementsCurrent	25000000	usd
CY2024Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	191000000	usd
CY2023Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	178000000	usd
CY2023Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	5566000000	usd
CY2023Q3	us-gaap	Regulatory Assets RegulatoryAssets	5744000000	usd
CY2023Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	222000000	usd
CY2023Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	107000000	usd
CY2023Q3	us-gaap	Regulatory Liabilities RegulatoryLiabilities	329000000	usd
CY2024Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	40000000	usd
CY2024Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	40000000	usd
CY2024Q3	tve	Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage	0.07
CY2024Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	9000000	usd
CY2023Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	9000000	usd
CY2024Q3	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	37000000	usd
CY2023Q3	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	35000000	usd
CY2024Q3	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	897000000	usd
CY2023Q3	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	933000000	usd
CY2024Q3	tve	Minimumpaymentsonmembershipinterestssubjecttomandatoryredemptiondueinnexttwelvemonths Minimumpaymentsonmembershipinterestssubjecttomandatoryredemptiondueinnexttwelvemonths	1000000	usd
CY2024Q3	tve	Minimumpaymentsonmembershipinterestssubjecttomandatoryredemptiondueinyeartwo Minimumpaymentsonmembershipinterestssubjecttomandatoryredemptiondueinyeartwo	1000000	usd
CY2024Q3	tve	Minimumpaymentsonmembershipinterestssubjecttomandatoryredemptiondueinyearthree Minimumpaymentsonmembershipinterestssubjecttomandatoryredemptiondueinyearthree	1000000	usd
CY2024Q3	tve	Minimumpaymentsonmembershipinterestssubjecttomandatoryredemptiondueinyearfour Minimumpaymentsonmembershipinterestssubjecttomandatoryredemptiondueinyearfour	1000000	usd
CY2024Q3	tve	Minimumpaymentsonmembershipinterestssubjecttomandatoryredemptiondueinyearfive Minimumpaymentsonmembershipinterestssubjecttomandatoryredemptiondueinyearfive	2000000	usd
CY2024Q3	tve	Minimum Payments On Membership Interests Subject To Mandatory Redemption Due Thereafter MinimumPaymentsOnMembershipInterestsSubjectToMandatoryRedemptionDueThereafter	11000000	usd
CY2024Q3	us-gaap	Environmental Exit Costs Costs Accrued To Date EnvironmentalExitCostsCostsAccruedToDate	212000000	usd
CY2023Q3	us-gaap	Environmental Exit Costs Costs Accrued To Date EnvironmentalExitCostsCostsAccruedToDate	0	usd
CY2024Q3	tve	Long Term Project Cost Accruals LongTermProjectCostAccruals	140000000	usd
CY2023Q3	tve	Long Term Project Cost Accruals LongTermProjectCostAccruals	10000000	usd
CY2024Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	88000000	usd
CY2023Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	93000000	usd
CY2024Q3	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	64000000	usd
CY2023Q3	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	52000000	usd
CY2024Q3	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	50000000	usd
CY2023Q3	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	41000000	usd
CY2024Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	48000000	usd
CY2023Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	45000000	usd
CY2024Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1712000000	usd
CY2023Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1211000000	usd
CY2023Q3	tve	Long Term Project Cost Accruals LongTermProjectCostAccruals	10000000	usd
CY2024Q3	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	74000000	usd
CY2023Q3	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	65000000	usd
CY2024Q3	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	28000000	usd
CY2023Q3	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	21000000	usd
CY2024	us-gaap	Asset Retirement Obligation Period Increase Decrease AssetRetirementObligationPeriodIncreaseDecrease	3300000000	usd
CY2024Q3	tve	Estimate Revision Of Slr EstimateRevisionOfSLR	-164000000	usd
CY2023	tve	Total Aro Change Due To Ccr TotalAROChangeDueToCCR	458000000	usd
CY2023	tve	Change In Estimate Due To Gallatin Ccr Closure ChangeInEstimateDueToGallatinCCRClosure	60000000	usd
CY2023	tve	Changes In Closure Liabilities ChangesInClosureLiabilities	15000000	usd
CY2023	tve	Increasein Asset Retirement Obligation Revisionsin Estimate IncreaseinAssetRetirementObligationRevisionsinEstimate	9000000	usd
CY2024	us-gaap	Amortization And Depreciation Of Decontaminating And Decommissioning Assets AmortizationAndDepreciationOfDecontaminatingAndDecommissioningAssets	188000000	usd
CY2023	us-gaap	Amortization And Depreciation Of Decontaminating And Decommissioning Assets AmortizationAndDepreciationOfDecontaminatingAndDecommissioningAssets	188000000	usd
CY2022	us-gaap	Amortization And Depreciation Of Decontaminating And Decommissioning Assets AmortizationAndDepreciationOfDecontaminatingAndDecommissioningAssets	137000000	usd
CY2022Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	7162000000	usd
CY2023	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	279000000	usd
CY2023	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	369000000	usd
CY2023	tve	Accretion Recorded As Regulatory Asset AccretionRecordedAsRegulatoryAsset	237000000	usd
CY2023Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	7489000000	usd
CY2024	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	257000000	usd
CY2024	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	132000000	usd
CY2024	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	3136000000	usd
CY2024	tve	Accretion Recorded As Regulatory Asset AccretionRecordedAsRegulatoryAsset	306000000	usd
CY2024Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	10806000000	usd
CY2024Q3	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	283000000	usd
CY2023Q3	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	272000000	usd
CY2024Q3	tve	Debt Ceiling DebtCeiling	30000000000.0	usd
CY2013Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	360000000	usd
CY2024Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	40000000	usd
CY2024Q3	tve	Shortterm Borrowings Gross ShorttermBorrowingsGross	1168000000	usd
CY2023Q3	tve	Shortterm Borrowings Gross ShorttermBorrowingsGross	432000000	usd
CY2024Q3	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0476
CY2023Q3	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0529
CY2024Q3	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-9000000	usd
CY2023Q3	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-8000000	usd
CY2024	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	1022000000	usd
CY2023	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	29000000	usd
CY2023Q3	tve	Percent Of Par Value PercentOfParValue	0.99187
CY2024Q3	tve	Percent Of Par Value PercentOfParValue	0.99109
CY2024Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	1167000000	usd
CY2023Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	432000000	usd
CY2024Q3	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	37000000	usd
CY2023Q3	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	35000000	usd
CY2024Q3	us-gaap	Unsecured Debt Current UnsecuredDebtCurrent	1022000000	usd
CY2023Q3	us-gaap	Unsecured Debt Current UnsecuredDebtCurrent	1022000000	usd
CY2024Q3	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	2226000000	usd
CY2023Q3	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	1489000000	usd
CY2024Q3	tve	Long Term Power Bonds LongTermPowerBonds	17995000000	usd
CY2023Q3	tve	Long Term Power Bonds LongTermPowerBonds	17970000000	usd
CY2024Q3	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	128000000	usd
CY2023Q3	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	126000000	usd
CY2024Q3	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	17867000000	usd
CY2023Q3	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	17844000000	usd
CY2024Q3	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	897000000	usd
CY2023Q3	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	933000000	usd
CY2024Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	18764000000	usd
CY2023Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	18777000000	usd
CY2024	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	62000000	usd
CY2023	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	109000000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1022000000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1370000000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	1020000000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	1272000000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	220000000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	14175000000	usd
CY2024Q3	us-gaap	Long Term Debt LongTermDebt	19079000000	usd
CY2024Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	1167000000	usd
CY2024Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	1167000000	usd
CY2024	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	62000000	usd
CY2024Q3	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	87000000	usd
CY2024Q3	tve	Lettersof Credit Outstanding Amount3 LettersofCreditOutstandingAmount3	134000000	usd
CY2024Q3	tve	Longterm Lineof Credit Borrowings3 LongtermLineofCreditBorrowings3	0	usd
CY2024Q3	tve	Letterof Credit Outstanding Amount2 LetterofCreditOutstandingAmount2	180000000	usd
CY2024Q3	tve	Longterm Lineof Credit Borrowings2 LongtermLineofCreditBorrowings2	0	usd
CY2024Q3	tve	Borrowings Under Us Treasury Credit Facility BorrowingsUnderUSTreasuryCreditFacility	0	usd
CY2024	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	25000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	99000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	48000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	42000000	usd
CY2024	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	usd
CY2024	us-gaap	Derivative Instruments Gain Loss Reclassification From Accumulated Oci To Income Estimated Net Amount To Be Transferred DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred	1000000	usd
CY2024	tve	Changein Unrealizedgainslosseson Interest Rate Derivatives ChangeinUnrealizedgainslossesonInterestRateDerivatives	-182000000	usd
CY2023	tve	Changein Unrealizedgainslosseson Interest Rate Derivatives ChangeinUnrealizedgainslossesonInterestRateDerivatives	-240000000	usd
CY2024Q3	us-gaap	Derivative Asset After Offset Subject To Master Netting Arrangement DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement	7000000	usd
CY2023Q3	us-gaap	Derivative Asset After Offset Subject To Master Netting Arrangement DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement	37000000	usd
CY2024Q3	us-gaap	Derivative Liability After Offset Subject To Master Netting Arrangement DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement	1122000000	usd
CY2023Q3	us-gaap	Derivative Liability After Offset Subject To Master Netting Arrangement DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement	991000000	usd
CY2024Q3	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	4000000	usd
CY2023Q3	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	26000000	usd
CY2024Q3	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	22000000	usd
CY2024Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	1700000000	usd
CY2023Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	1600000000	usd
CY2024	tve	Two Largest Customer Percentage Of Total Operating Revenue TwoLargestCustomerPercentageOfTotalOperatingRevenue	0.17
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CY2024Q3	tve	Periodoftimewheretheinvestorcontributescapitaltoaninvestmentinaprivatepartnershipminimum Periodoftimewheretheinvestorcontributescapitaltoaninvestmentinaprivatepartnershipminimum	3	units
CY2024Q3	tve	Periodoftimewheretheinvestorcontributescapitaltoaninvestmentinaprivatepartnershipmaximum Periodoftimewheretheinvestorcontributescapitaltoaninvestmentinaprivatepartnershipmaximum	4	units
CY2024	tve	Minimuminvestmentperiod Minimuminvestmentperiod	P10Y
CY2024Q3	tve	Number Of Readily Available Quoted Exchange Prices For Investments NumberOfReadilyAvailableQuotedExchangePricesForInvestments	0
CY2024Q3	us-gaap	Financial Instruments Owned Corporate Debt At Fair Value FinancialInstrumentsOwnedCorporateDebtAtFairValue	378000000	usd
CY2024Q3	tve	Financial Instruments Owned Mortgages Residential Mortgagebackedand Assetbacked Securitiesat Fair Value FinancialInstrumentsOwnedMortgagesResidentialMortgagebackedandAssetbackedSecuritiesatFairValue	43000000	usd
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CY2024Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	4975000000	usd
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CY2023Q3	tve	Forward Contract Derivative Assetat Fair Value ForwardContractDerivativeAssetatFairValue	11000000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	270000000	usd
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CY2023Q3	tve	Commingledfundsmeasuredatnetassetvalue Commingledfundsmeasuredatnetassetvalue	1135000000	usd
CY2023Q3	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	4123000000	usd
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CY2023Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	4160000000	usd
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CY2024Q3	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	56000000	usd
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CY2024Q3	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	74000000	usd
CY2023Q3	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	81000000	usd
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CY2024Q3	us-gaap	Shares Subject To Mandatory Redemption Settlement Terms Amount SharesSubjectToMandatoryRedemptionSettlementTermsAmount	19000000	usd
CY2023Q3	us-gaap	Shares Subject To Mandatory Redemption Settlement Terms Amount SharesSubjectToMandatoryRedemptionSettlementTermsAmount	19000000	usd
CY2024Q3	us-gaap	Unsecured Debt UnsecuredDebt	19416000000	usd
CY2023Q3	us-gaap	Unsecured Debt UnsecuredDebt	17963000000	usd
CY2024Q3	us-gaap	Other Long Term Debt OtherLongTermDebt	966000000	usd
CY2023Q3	us-gaap	Other Long Term Debt OtherLongTermDebt	927000000	usd
CY2023	tve	Percent Of Sales Of Electricity To Lp Cs PercentOfSalesOfElectricityToLPCs	0.92
CY2024	tve	Percent Of Sales Of Electricity To Lp Cs PercentOfSalesOfElectricityToLPCs	0.92
CY2024	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	12100000000	usd
CY2024	tve	Electricrevenue Electricrevenue	12123000000	usd
CY2023	tve	Electricrevenue Electricrevenue	11888000000	usd
CY2022	tve	Electricrevenue Electricrevenue	12352000000	usd
CY2024	tve	Off System Sales Of Electricity OffSystemSalesOfElectricity	8000000	usd
CY2023	tve	Off System Sales Of Electricity OffSystemSalesOfElectricity	14000000	usd
CY2022	tve	Off System Sales Of Electricity OffSystemSalesOfElectricity	19000000	usd
CY2024	tve	Pre Commercial Ops Capitalized Revenue PreCommercialOpsCapitalizedRevenue	-3000000	usd
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CY2024	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	12128000000	usd
CY2023	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	11899000000	usd
CY2022	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	12371000000	usd
CY2024	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	186000000	usd
CY2023	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	155000000	usd
CY2022	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	169000000	usd
CY2024	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	12314000000	usd
CY2023	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	12054000000	usd
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CY2024	tve	Pre Commercial Ops Capitalized Revenue PreCommercialOpsCapitalizedRevenue	-3000000	usd
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CY2022	tve	Pre Commercial Ops Capitalized Revenue PreCommercialOpsCapitalizedRevenue	0	usd
CY2024	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	12128000000	usd
CY2023	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	11899000000	usd
CY2022	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	12371000000	usd
CY2024	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	186000000	usd
CY2023	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	155000000	usd
CY2022	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	169000000	usd
CY2024	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	12314000000	usd
CY2023	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	12054000000	usd
CY2022	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	12540000000	usd
CY2024	tve	Percent Of Wholesale Credit Offered PercentOfWholesaleCreditOffered	0.031
CY2024	tve	Bill Credits For Lta BillCreditsForLTA	-215000000	usd
CY2023	tve	Bill Credits For Lta BillCreditsForLTA	-199000000	usd
CY2022	tve	Bill Credits For Lta BillCreditsForLTA	199000000	usd
CY2024Q3	tve	Number Of Lp Cs Signed Flexibility Agreement NumberOfLPCsSignedFlexibilityAgreement	102	units
CY2024	tve	Percent Of Pandemic Credit Offered PercentOfPandemicCreditOffered	0.025
CY2023	tve	Pandemic Relief Credit PandemicReliefCredit	-225000000	usd
CY2022	tve	Pandemic Relief Credit PandemicReliefCredit	228000000	usd
CY2024Q3	tve	Total Number Of Lp Cs TotalNumberOfLPCs	153	units
CY2024	tve	Percentage Of Total Operating Revenues PercentageOfTotalOperatingRevenues	0.904
CY2024	tve	Mlg Wsofoperatingrevenues MLGWsofoperatingrevenues	0.09
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CY2022	tve	Mlg Wsofoperatingrevenues MLGWsofoperatingrevenues	0.09
CY2023	tve	Ne Ssofoperatingrevenues NESsofoperatingrevenues	0.08
CY2022	tve	Ne Ssofoperatingrevenues NESsofoperatingrevenues	0.08
CY2024	tve	Ne Ssofoperatingrevenues NESsofoperatingrevenues	0.08
CY2024	tve	Paid Economic Incentives PaidEconomicIncentives	318000000	usd
CY2023	tve	Paid Economic Incentives PaidEconomicIncentives	330000000	usd
CY2022	tve	Paid Economic Incentives PaidEconomicIncentives	328000000	usd
CY2024Q3	tve	Unpaid Economic Incentives UnpaidEconomicIncentives	-187000000	usd
CY2023Q3	tve	Unpaid Economic Incentives UnpaidEconomicIncentives	-188000000	usd
CY2024	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	42000000	usd
CY2023	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	34000000	usd
CY2022	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	15000000	usd
CY2024	tve	External Services ExternalServices	17000000	usd
CY2023	tve	External Services ExternalServices	15000000	usd
CY2022	tve	External Services ExternalServices	16000000	usd
CY2024	us-gaap	Gain Loss On Investments GainLossOnInvestments	23000000	usd
CY2023	us-gaap	Gain Loss On Investments GainLossOnInvestments	13000000	usd
CY2022	us-gaap	Gain Loss On Investments GainLossOnInvestments	-17000000	usd
CY2024	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	11000000	usd
CY2023	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	1000000	usd
CY2022	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	7000000	usd
CY2024	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	71000000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	61000000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	7000000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	1100000000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	1100000000	usd
CY2024	us-gaap	Interest Paid Net InterestPaidNet	1100000000	usd
CY2024	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	898000000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	559000000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	510000000	usd
CY2024Q3	tve	Aro Project Accruals Included In Ap AROProjectAccrualsIncludedInAP	45000000	usd
CY2023Q3	tve	Aro Project Accruals Included In Ap AROProjectAccrualsIncludedInAP	71000000	usd
CY2022Q3	tve	Aro Project Accruals Included In Ap AROProjectAccrualsIncludedInAP	119000000	usd
CY2024	tve	Lease Assets Obtained In Exchange For Lease Obligations Finance LeaseAssetsObtainedInExchangeForLeaseObligationsFinance	230000000	usd
CY2024	tve	Fixed And Variable Fund Maximum Annual Contribution FixedAndVariableFundMaximumAnnualContribution	10000	usd
CY2024	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	116000000	usd
CY2023	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	105000000	usd
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	97000000	usd
CY2024	tve	Nonqualified Excess401k Plan Cost NonqualifiedExcess401kPlanCost	1000000	usd
CY2023	tve	Nonqualified Excess401k Plan Cost NonqualifiedExcess401kPlanCost	1000000	usd
CY2024Q3	tve	Defined Benefit Plan Cost Of Living Adjustment Assumption DefinedBenefitPlanCostOfLivingAdjustmentAssumption	0.0025
CY2024Q3	us-gaap	Defined Benefit Plan Plan Assets Target Allocation Percentage DefinedBenefitPlanPlanAssetsTargetAllocationPercentage	1
CY2024Q3	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2023Q3	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2024Q3	tve	Fair Value Plan Assets Gross FairValuePlanAssetsGross	8959000000	usd
CY2024Q3	tve	Defined Benefit Plan Fair Value Of Plan Derivative Liabilities DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities	4000000	usd
CY2024Q3	tve	Net Payables NetPayables	47000000	usd
CY2024Q3	tve	Payables For Collateral On Loaned Securities PayablesForCollateralOnLoanedSecurities	235000000	usd
CY2023Q3	tve	Fair Value Plan Assets Gross FairValuePlanAssetsGross	8605000000	usd
CY2023Q3	tve	Defined Benefit Plan Fair Value Of Plan Derivative Liabilities DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities	128000000	usd
CY2023Q3	tve	Net Payables NetPayables	167000000	usd
CY2023Q3	tve	Payables For Collateral On Loaned Securities PayablesForCollateralOnLoanedSecurities	181000000	usd
CY2024	tve	Votingpercentagerequiredtodesolvepartnershipinprivateequity Votingpercentagerequiredtodesolvepartnershipinprivateequity	0.80
CY2024	us-gaap	Other Postretirement Benefits Payments OtherPostretirementBenefitsPayments	22000000	usd
CY2024	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	5000000	usd
CY2023	us-gaap	Other Postretirement Benefits Payments OtherPostretirementBenefitsPayments	25000000	usd
CY2023	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	4000000	usd
CY2024	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0381
CY2024	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0381
CY2024	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	21000000	usd
CY2024Q3	us-gaap	Postemployment Benefits Liability Noncurrent PostemploymentBenefitsLiabilityNoncurrent	258000000	usd
CY2023	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0459
CY2023	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0459
CY2023	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	3000000	usd
CY2023Q3	us-gaap	Postemployment Benefits Liability Noncurrent PostemploymentBenefitsLiabilityNoncurrent	266000000	usd
CY2022	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0383
CY2022	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0383
CY2022	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	40000000	usd
CY2023	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0459
CY2023	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0459
CY2024	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0381
CY2024	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0381
CY2022	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0383
CY2022	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0383
CY2023	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0459
CY2023	tve	Post Employment Benefits Assumptions Used Calculating Net Periodic Benefit Cost And Unpaid Benefit Obligation Discount Rate PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate	0.0459
CY2024	us-gaap	Research And Development Arrangement Contract To Perform For Others Costs Incurred Gross ResearchAndDevelopmentArrangementContractToPerformForOthersCostsIncurredGross	41000000	usd
CY2023	us-gaap	Research And Development Arrangement Contract To Perform For Others Costs Incurred Gross ResearchAndDevelopmentArrangementContractToPerformForOthersCostsIncurredGross	31000000	usd
CY2024Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	6000000	usd
CY2024Q3	tve	Megawatts Provided Under Power Purchase Obligations MegawattsProvidedUnderPowerPurchaseObligations	4487	megawatts
CY2024	tve	Remaining Terms Of The Power Purchase Obligations High End Of Range RemainingTermsOfThePowerPurchaseObligationsHighEndOfRange	P11Y
CY2024Q3	tve	Megawattsprovidedundertransmissionobligations Megawattsprovidedundertransmissionobligations	4750
CY2024	tve	Remaining Terms Of The Transmission Obligations High End Of Range RemainingTermsOfTheTransmissionObligationsHighEndOfRange	P5Y
CY2024	tve	Power Purchased Under Agreement PowerPurchasedUnderAgreement	519000000	usd
CY2023	tve	Power Purchased Under Agreement PowerPurchasedUnderAgreement	355000000	usd
CY2022	tve	Power Purchased Under Agreement PowerPurchasedUnderAgreement	366000000	usd
CY2024Q3	tve	Unfundedloancommitmentdueinyear3 Unfundedloancommitmentdueinyear3	0	usd
CY2024Q3	tve	Us Congress Is Required To Take Action If These Layes Are Exhausted USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted	2	insurance_layers
CY2024Q3	tve	Nuclear Liability Insurance NuclearLiabilityInsurance	500000000	usd
CY2024Q3	tve	Assessment From Licensees For Each Licensed Reactor AssessmentFromLicenseesForEachLicensedReactor	166000000	usd
CY2024Q3	tve	Number Of Licensed Nuclear Units NumberOfLicensedNuclearUnits	7	units
CY2024Q3	tve	Maximum Assessment Per Nuclear Incident MaximumAssessmentPerNuclearIncident	1200000000	usd
CY2024Q3	tve	Nuclear Accident Assessment Limitation Per Year Per Unit NuclearAccidentAssessmentLimitationPerYearPerUnit	25000000	usd
CY2024	tve	Numberoflicensedreactorsin Us NumberoflicensedreactorsinUS	95	reactors
CY2024Q3	tve	Total Amount Of Protection Available TotalAmountOfProtectionAvailable	16300000000	usd
CY2024Q3	tve	Amount Of Insurance Available For Loss At Any One Site Bottom Range AmountOfInsuranceAvailableForLossAtAnyOneSiteBottomRange	2100000000	usd
CY2024Q3	tve	Amount Of Insurance Available For Loss At Any One Site Top Range AmountOfInsuranceAvailableForLossAtAnyOneSiteTopRange	2800000000	usd
CY2024Q3	tve	Maximumamountofretrospectivepremiums Maximumamountofretrospectivepremiums	114000000	usd
CY2024Q3	tve	Maximum Idemnity If Covered Accident Tasks Or Keeps Nuclear Unit Offline MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline	490000000	usd
CY2024Q3	tve	Retrospective Premiums RetrospectivePremiums	44000000	usd
CY2024Q3	tve	Number Of Procedures For Determining Estimates For Costs Of Nuclear Decommissioning NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning	2	procedures
CY2024Q3	us-gaap	Accrual For Environmental Loss Contingencies Gross AccrualForEnvironmentalLossContingenciesGross	15000000	usd
CY2023Q3	us-gaap	Accrual For Environmental Loss Contingencies Gross AccrualForEnvironmentalLossContingenciesGross	16000000	usd
CY2024	tve	Amount Remaining To Be Spent Under Environmental Agreements AmountRemainingToBeSpentUnderEnvironmentalAgreements	7000000	usd
CY2024Q3	tve	Amount Of Appropriation Investment That Must Be Repaid AmountOfAppropriationInvestmentThatMustBeRepaid	1000000000	usd
CY2014Q3	tve	Appropriation Investment Power Program AppropriationInvestmentPowerProgram	1000000000.0	usd
CY2024Q3	tve	Computed Average Interest Rate Payable ComputedAverageInterestRatePayable	0.0302
CY2023Q3	tve	Computed Average Interest Rate Payable ComputedAverageInterestRatePayable	0.0199
CY2022Q3	tve	Computed Average Interest Rate Payable ComputedAverageInterestRatePayable	0.0147
CY2024	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2024	dei	Auditor Location AuditorLocation	Chattanooga, Tennessee
CY2024	dei	Auditor Location AuditorLocation	Chattanooga, Tennessee
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
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CY2024Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false

Files In Submission

Name	View Source	Status
0001376986-24-000029-index-headers.html	Edgar Link	pending
0001376986-24-000029-index.html	Edgar Link	pending
0001376986-24-000029.txt	Edgar Link	pending
0001376986-24-000029-xbrl.zip	Edgar Link	pending
exhibit1024.htm	Edgar Link	pending
exhibit1025.htm	Edgar Link	pending
exhibit1026.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
image_01.jpg	Edgar Link	pending
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R1.htm	Edgar Link	pending
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2024 Q3 Form 10-K Financial Statement

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$TVE Stock $tve

2024 Q3 Form 10-K Financial Statement

#000137698624000029 Filed on November 14, 2024

Income Statement

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Files In Submission

$TVE
Stock $tve