10-K Filing

TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC CIK: 99250 FY 2011

Filing Information

Form Type	10-K
Accession Number	`0001193125-12-080059`
Period End Date	20111231
Filing Date	20120227
Fiscal Year	2011
Fiscal Period	FY
XBRL Instance	tgplc-20111231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 103 Income Statement 69 Cash Flow Statement 119 Stockholders Equity 59 Comprehensive Income 9

Balance Sheet 103 line items

Line Item	Tag	Value	Unit	Period
Cash	`CashBalance`	$148.00K	USD	Point-in-time
Cash	`CashBalance`	$428.00K	USD	Point-in-time
Allowance for receivables	`AllowanceForDoubtfulAccountsReceivableCurrent`	$407.00K	USD	Point-in-time
Cash	`CashBalance`	$164.00K	USD	Point-in-time
Cash	`CashBalance`	$108.00K	USD	Point-in-time
Allowance for receivables	`AllowanceForDoubtfulAccountsReceivableCurrent`	$406.00K	USD	Point-in-time
Trade less allowance of $407 ($406 in 2010)	`AccountsReceivableNetCurrent`	$107.58M	USD	Point-in-time
Trade less allowance of $407 ($406 in 2010)	`AccountsReceivableNetCurrent`	$96.70M	USD	Point-in-time
Affiliates	`DueFromRelatedPartiesCurrent`	$5.90M	USD	Point-in-time
Affiliates	`DueFromRelatedPartiesCurrent`	$4.92M	USD	Point-in-time
Advances to affiliate	`NotesReceivableRelatedParties`	$253.61M	USD	Point-in-time
Advances to affiliate	`NotesReceivableRelatedParties`	$108.84M	USD	Point-in-time
Other	`AccountsAndOtherReceivablesNetCurrent`	$13.73M	USD	Point-in-time
Other	`AccountsAndOtherReceivablesNetCurrent`	$14.00M	USD	Point-in-time
Transportation and exchange gas receivables	`GasImbalanceAssetLiability`	$4.91M	USD	Point-in-time
Transportation and exchange gas receivables	`GasImbalanceAssetLiability`	$2.42M	USD	Point-in-time
Gas in storage, at LIFO	`EnergyRelatedInventoryGasStoredUnderground`	$8.77M	USD	Point-in-time
Gas in storage, at LIFO	`EnergyRelatedInventoryGasStoredUnderground`	-	USD	Point-in-time
Gas in storage, at original cost	`EnergyRelatedInventoryNaturalGasInStorage`	$822.00K	USD	Point-in-time
Gas in storage, at original cost	`EnergyRelatedInventoryNaturalGasInStorage`	$802.00K	USD	Point-in-time
Gas available for customer nomination, at average cost	`GasAvailableForCustomerNominationAtAverageCost`	$43.63M	USD	Point-in-time
Gas available for customer nomination, at average cost	`GasAvailableForCustomerNominationAtAverageCost`	$349.00K	USD	Point-in-time
Material and supplies, at lower of average cost or market	`InventoryNet`	$34.44M	USD	Point-in-time
Material and supplies, at lower of average cost or market	`InventoryNet`	$32.23M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$48.44M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$37.88M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$13.13M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$12.97M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$373.76M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$472.64M	USD	Point-in-time
Investments, at cost plus equity in undistributed earnings	`EquityMethodInvestments`	$43.75M	USD	Point-in-time
Investments, at cost plus equity in undistributed earnings	`EquityMethodInvestments`	$56.99M	USD	Point-in-time
Natural gas transmission plant	`PropertyPlantAndEquipmentGross`	$7.67B	USD	Point-in-time
Natural gas transmission plant	`PropertyPlantAndEquipmentGross`	$8.09B	USD	Point-in-time
Less-Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$2.65B	USD	Point-in-time
Less-Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$2.80B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$5.02B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$5.29B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$207.94M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$198.92M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$59.22M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$50.47M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$258.14M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$258.42M	USD	Point-in-time
Total assets	`Assets`	$5.70B	USD	Point-in-time
Total assets	`Assets`	$6.08B	USD	Point-in-time
Trade	`AccountsPayableTradeCurrent`	$93.86M	USD	Point-in-time
Trade	`AccountsPayableTradeCurrent`	$73.12M	USD	Point-in-time
Affiliates	`DueToRelatedPartiesCurrent`	$18.77M	USD	Point-in-time
Affiliates	`DueToRelatedPartiesCurrent`	$16.94M	USD	Point-in-time
Cash overdrafts	`BankOverdrafts`	$14.84M	USD	Point-in-time
Cash overdrafts	`BankOverdrafts`	$19.53M	USD	Point-in-time
Transportation and exchange gas payables	`TransportationAndExchangeGasPayables`	$1.65M	USD	Point-in-time
Transportation and exchange gas payables	`TransportationAndExchangeGasPayables`	$2.78M	USD	Point-in-time
Property and other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$9.05M	USD	Point-in-time
Property and other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$11.67M	USD	Point-in-time
Interest	`InterestPayableCurrent`	$25.95M	USD	Point-in-time
Interest	`InterestPayableCurrent`	$26.06M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$1.96M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$2.25M	USD	Point-in-time
Customer advances	`CustomerAdvancesCurrent`	$24.98M	USD	Point-in-time
Customer advances	`CustomerAdvancesCurrent`	$20.22M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$31.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$57.40M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$25.78M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$23.19M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$324.32M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$299.93M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$593.14M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$532.12M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$1.03B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$980.02M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$245.37M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$220.64M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$115.56M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$182.85M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$6.18M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$6.79M	USD	Point-in-time
Total other long-term liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$342.99M	USD	Point-in-time
Total other long-term liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$434.39M	USD	Point-in-time
Contingent liabilities and commitments (Note 2)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingent liabilities and commitments (Note 2)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Member's capital	`MembersCapital`	$1.65B	USD	Point-in-time
Member's capital	`MembersCapital`	$1.73B	USD	Point-in-time
Member's capital	`MembersCapital`	$1.84B	USD	Point-in-time
Member's capital	`MembersCapital`	$1.65B	USD	Point-in-time
Loans to parent	`LoansToParent`	-	USD	Point-in-time
Loans to parent	`LoansToParent`	-	USD	Point-in-time
Loans to parent	`LoansToParent`	$-237.53M	USD	Point-in-time
Loans to parent	`LoansToParent`	$-42.21M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.05B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.18B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.18B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.12B	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-718.00K	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.09M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$173.00K	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-346.00K	USD	Point-in-time
Total owner's equity	`OwnersEquity`	$3.59B	USD	Point-in-time
Total owner's equity	`OwnersEquity`	$3.84B	USD	Point-in-time
Total owner's equity	`OwnersEquity`	$4.02B	USD	Point-in-time
Total liabilities and owner's equity	`LiabilitiesAndOwnersEquity`	$5.70B	USD	Point-in-time
Total liabilities and owner's equity	`LiabilitiesAndOwnersEquity`	$6.08B	USD	Point-in-time

Income Statement 69 line items

Line Item	Tag	Value	Unit	Period
Natural gas sales	`OilAndGasSalesRevenue`	$99.35M	USD	Annual
Natural gas sales	`OilAndGasSalesRevenue`	$108.36M	USD	Annual
Natural gas sales	`OilAndGasSalesRevenue`	$96.71M	USD	Annual
Natural gas transportation	`GasGatheringTransportationMarketingAndProcessingRevenue`	$891.84M	USD	Annual
Natural gas transportation	`GasGatheringTransportationMarketingAndProcessingRevenue`	$983.55M	USD	Annual
Natural gas transportation	`GasGatheringTransportationMarketingAndProcessingRevenue`	$930.70M	USD	Annual
Natural gas storage	`NaturalGasStorageRevenue`	$142.56M	USD	Annual
Natural gas storage	`NaturalGasStorageRevenue`	$146.82M	USD	Annual
Natural gas storage	`NaturalGasStorageRevenue`	$144.98M	USD	Annual
Other	`OtherOperatingRevenue`	$5.12M	USD	Annual
Other	`OtherOperatingRevenue`	$8.04M	USD	Annual
Other	`OtherOperatingRevenue`	$25.74M	USD	Annual
Total operating revenues	`OilAndGasRevenue`	$1.24B	USD	Annual
Total operating revenues	`OilAndGasRevenue`	$1.18B	USD	Annual
Total operating revenues	`OilAndGasRevenue`	$1.16B	USD	Annual
Cost of natural gas sales	`CostOfGoodsSoldOilAndGas`	$108.36M	USD	Annual
Cost of natural gas sales	`CostOfGoodsSoldOilAndGas`	$96.68M	USD	Annual
Cost of natural gas sales	`CostOfGoodsSoldOilAndGas`	$99.35M	USD	Annual
Cost of natural gas transportation	`GasGatheringTransportationMarketingAndProcessingCosts`	$35.67M	USD	Annual
Cost of natural gas transportation	`GasGatheringTransportationMarketingAndProcessingCosts`	$16.96M	USD	Annual
Cost of natural gas transportation	`GasGatheringTransportationMarketingAndProcessingCosts`	$32.23M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$239.64M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$249.62M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$264.32M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$158.01M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$158.52M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$164.83M	USD	Annual
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$246.25M	USD	Annual
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$252.05M	USD	Annual
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$259.66M	USD	Annual
Taxes - other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$46.06M	USD	Annual
Taxes - other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$48.43M	USD	Annual
Taxes - other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$35.81M	USD	Annual
Other expense, net	`OtherOperatingIncomeExpenseNet`	$-12.99M	USD	Annual
Other expense, net	`OtherOperatingIncomeExpenseNet`	$-13.82M	USD	Annual
Other expense, net	`OtherOperatingIncomeExpenseNet`	$-15.19M	USD	Annual
Total operating costs and expenses	`CostsAndExpenses`	$823.97M	USD	Annual
Total operating costs and expenses	`CostsAndExpenses`	$842.53M	USD	Annual
Total operating costs and expenses	`CostsAndExpenses`	$887.96M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$339.47M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$354.55M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$335.30M	USD	Annual
Interest expense - affiliate	`InterestExpenseRelatedParty`	$262.00K	USD	Annual
Interest expense - affiliate	`InterestExpenseRelatedParty`	$353.00K	USD	Annual
Interest expense - affiliate	`InterestExpenseRelatedParty`	$387.00K	USD	Annual
Interest expense - other	`InterestExpenseOther`	$93.99M	USD	Annual
Interest expense - other	`InterestExpenseOther`	$94.92M	USD	Annual
Interest expense - other	`InterestExpenseOther`	$94.62M	USD	Annual
Interest income - affiliate	`InterestIncomeRelatedParty`	$19.09M	USD	Annual
Interest income - affiliate	`InterestIncomeRelatedParty`	$2.23M	USD	Annual
Interest income - affiliate	`InterestIncomeRelatedParty`	$29.00K	USD	Annual
Interest income - other	`InterestIncomeOther`	$882.00K	USD	Annual
Interest income - other	`InterestIncomeOther`	$1.19M	USD	Annual
Interest income - other	`InterestIncomeOther`	$2.12M	USD	Annual
Allowance for equity and borrowed funds used during construction (AFUDC)	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$12.35M	USD	Annual
Allowance for equity and borrowed funds used during construction (AFUDC)	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$11.98M	USD	Annual
Allowance for equity and borrowed funds used during construction (AFUDC)	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$15.34M	USD	Annual
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$5.76M	USD	Annual
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$5.80M	USD	Annual
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$5.16M	USD	Annual
Miscellaneous other (income) deductions, net	`OtherNonoperatingIncomeExpense`	$1.42M	USD	Annual
Miscellaneous other (income) deductions, net	`OtherNonoperatingIncomeExpense`	$-2.36M	USD	Annual
Miscellaneous other (income) deductions, net	`OtherNonoperatingIncomeExpense`	$5.01M	USD	Annual
Total other (income) and other deductions	`NonoperatingIncomeExpense`	$-68.69M	USD	Annual
Total other (income) and other deductions	`NonoperatingIncomeExpense`	$-74.89M	USD	Annual
Total other (income) and other deductions	`NonoperatingIncomeExpense`	$-54.95M	USD	Annual
Net Income	`NetIncomeLoss`	$279.66M	USD	Annual
Net Income	`NetIncomeLoss`	$270.78M	USD	Annual
Net Income	`NetIncomeLoss`	$280.36M	USD	Annual

Cash Flow Statement 119 line items

Line Item	Tag	Value	Unit	Period
Increase to property, plant and equipment	`PaymentsToAcquireOilAndGasPropertyAndEquipment`	$-386.46M	USD	Annual
Increase to property, plant and equipment	`PaymentsToAcquireOilAndGasPropertyAndEquipment`	$-328.19M	USD	Annual
Increase to property, plant and equipment	`PaymentsToAcquireOilAndGasPropertyAndEquipment`	$-352.67M	USD	Annual
Net Income	`NetIncomeLoss`	$279.66M	USD	Annual
Changes in related accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$23.83M	USD	Annual
Changes in related accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-24.73M	USD	Annual
Changes in related accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-791.00K	USD	Annual
Net Income	`NetIncomeLoss`	$270.78M	USD	Annual
Net Income	`NetIncomeLoss`	$280.36M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC*	`PaymentsToAcquirePropertyPlantAndEquipment`	$376.50M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC*	`PaymentsToAcquirePropertyPlantAndEquipment`	$303.46M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC*	`PaymentsToAcquirePropertyPlantAndEquipment`	$385.67M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$247.54M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$252.13M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$260.07M	USD	Annual
Interest (exclusive of amount capitalized)	`InterestPaidNet`	$89.34M	USD	Annual
Allowance for equity funds used during construction (Equity AFUDC)	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$7.83M	USD	Annual
Interest (exclusive of amount capitalized)	`InterestPaidNet`	$89.15M	USD	Annual
Allowance for equity funds used during construction (Equity AFUDC)	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$10.59M	USD	Annual
Allowance for equity funds used during construction (Equity AFUDC)	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$8.54M	USD	Annual
Interest (exclusive of amount capitalized)	`InterestPaidNet`	$88.36M	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$31.00K	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$728.00K	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$21.46M	USD	Annual
Income tax refunds received	`ProceedsFromIncomeTaxRefunds`	$-455.00K	USD	Annual
Receivables - affiliates	`IncreaseDecreaseInDueFromAffiliatesCurrent`	$-1.70M	USD	Annual
Receivables - affiliates	`IncreaseDecreaseInDueFromAffiliatesCurrent`	$3.19M	USD	Annual
Income tax refunds received	`ProceedsFromIncomeTaxRefunds`	-	USD	Annual
Receivables - affiliates	`IncreaseDecreaseInDueFromAffiliatesCurrent`	$982.00K	USD	Annual
Income tax refunds received	`ProceedsFromIncomeTaxRefunds`	-	USD	Annual
Receivables - others	`IncreaseDecreaseInOtherReceivables`	$25.76M	USD	Annual
Receivables - others	`IncreaseDecreaseInOtherReceivables`	$11.15M	USD	Annual
Receivables - others	`IncreaseDecreaseInOtherReceivables`	$-6.71M	USD	Annual
Loans to parent reclassified to equity	`LoansToParentReclassifiedToEquity`	-	USD	Annual
Loans to parent reclassified to equity	`LoansToParentReclassifiedToEquity`	-	USD	Annual
Transportation and exchange gas receivable	`IncreaseDecreaseInTransportationAndExchangeGasReceivable`	$2.50M	USD	Annual
Transportation and exchange gas receivable	`IncreaseDecreaseInTransportationAndExchangeGasReceivable`	$-3.40M	USD	Annual
Loans to parent reclassified to equity	`LoansToParentReclassifiedToEquity`	$-195.32M	USD	Annual
Transportation and exchange gas receivable	`IncreaseDecreaseInTransportationAndExchangeGasReceivable`	$-4.83M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$46.26M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-36.67M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-50.30M	USD	Annual
Payables - affiliates	`IncreaseDecreaseInDueToAffiliatesCurrent`	$-7.46M	USD	Annual
Payables - affiliates	`IncreaseDecreaseInDueToAffiliatesCurrent`	$-1.83M	USD	Annual
Payables - affiliates	`IncreaseDecreaseInDueToAffiliatesCurrent`	$-23.48M	USD	Annual
Payables - others	`IncreaseDecreaseInOtherAccountsPayable`	$14.58M	USD	Annual
Payables - others	`IncreaseDecreaseInOtherAccountsPayable`	$-51.87M	USD	Annual
Payables - others	`IncreaseDecreaseInOtherAccountsPayable`	$15.89M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$405.00K	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-24.59M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$26.64M	USD	Annual
Asset retirement obligation removal costs	`PaymentsForRemovalCosts`	$43.67M	USD	Annual
Asset retirement obligation removal costs	`PaymentsForRemovalCosts`	$10.06M	USD	Annual
Asset retirement obligation removal costs	`PaymentsForRemovalCosts`	$6.99M	USD	Annual
Reserve for rate refunds	`IncreaseDecreaseInReserveForRateRefunds`	$-13.80M	USD	Annual
Reserve for rate refunds	`IncreaseDecreaseInReserveForRateRefunds`	$-564.00K	USD	Annual
Reserve for rate refunds	`IncreaseDecreaseInReserveForRateRefunds`	-	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$27.39M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$42.87M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$11.13M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$571.64M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$450.80M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$509.48M	USD	Annual
Additions to long-term debt	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$372.52M	USD	Annual
Additions to long-term debt	`ProceedsFromIssuanceOfSeniorLongTermDebt`	-	USD	Annual
Additions to long-term debt	`ProceedsFromIssuanceOfSeniorLongTermDebt`	-	USD	Annual
Retirement of long-term debt	`MaturitiesOfSeniorDebt`	-	USD	Annual
Retirement of long-term debt	`MaturitiesOfSeniorDebt`	-	USD	Annual
Retirement of long-term debt	`MaturitiesOfSeniorDebt`	$300.00M	USD	Annual
Debt issue costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Debt issue costs	`PaymentsOfDebtIssuanceCosts`	$3.85M	USD	Annual
Debt issue costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Cash distributions	`CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries`	$-219.00M	USD	Annual
Cash distributions	`CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries`	$-145.00M	USD	Annual
Cash distributions	`CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries`	$-333.79M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	-	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$115.00M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$75.00M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.15M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$4.10M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-4.68M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-140.90M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-40.01M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-257.64M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC*	`PaymentsToAcquirePropertyPlantAndEquipment`	$376.50M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC*	`PaymentsToAcquirePropertyPlantAndEquipment`	$303.46M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC*	`PaymentsToAcquirePropertyPlantAndEquipment`	$385.67M	USD	Annual
Disposal of property, plant and equipment, net	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$-2.33M	USD	Annual
Disposal of property, plant and equipment, net	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$13.96M	USD	Annual
Disposal of property, plant and equipment, net	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$2.70M	USD	Annual
Advances to affiliates, net	`IncreaseDecreaseInNotesReceivableRelatedParties`	$144.77M	USD	Annual
Advances to affiliates, net	`IncreaseDecreaseInNotesReceivableRelatedParties`	$-189.00K	USD	Annual
Advances to affiliates, net	`IncreaseDecreaseInNotesReceivableRelatedParties`	$-127.00M	USD	Annual
Purchase of long-term investments	`PaymentsToAcquireLongtermInvestments`	-	USD	Annual
Purchase of long-term investments	`PaymentsToAcquireLongtermInvestments`	$14.83M	USD	Annual
Purchase of long-term investments	`PaymentsToAcquireLongtermInvestments`	-	USD	Annual
Purchase of ARO Trust investments	`PaymentsToInvestInDecommissioningFund`	$41.31M	USD	Annual
Purchase of ARO Trust investments	`PaymentsToInvestInDecommissioningFund`	$46.95M	USD	Annual
Purchase of ARO Trust investments	`PaymentsToInvestInDecommissioningFund`	$45.60M	USD	Annual
Proceeds from sale of ARO Trust investments	`ProceedsFromDecommissioningFund`	$56.58M	USD	Annual
Proceeds from sale of ARO Trust investments	`ProceedsFromDecommissioningFund`	$31.00M	USD	Annual
Proceeds from sale of ARO Trust investments	`ProceedsFromDecommissioningFund`	$40.71M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-271.00K	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$4.30M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$303.00K	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-251.80M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-531.62M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-310.22M	USD	Annual
Increase (decrease) in cash	`CashBalancePeriodIncreaseDecrease`	$40.00K	USD	Annual
Increase (decrease) in cash	`CashBalancePeriodIncreaseDecrease`	$16.00K	USD	Annual
Increase (decrease) in cash	`CashBalancePeriodIncreaseDecrease`	$-320.00K	USD	Annual
Cash at beginning of period	`CashBalance`	$148.00K	USD	Point-in-time
Cash at beginning of period	`CashBalance`	$428.00K	USD	Point-in-time
Cash at beginning of period	`CashBalance`	$164.00K	USD	Point-in-time
Cash at beginning of period	`CashBalance`	$108.00K	USD	Point-in-time
Cash at end of period	`CashBalance`	$148.00K	USD	Point-in-time
Cash at end of period	`CashBalance`	$428.00K	USD	Point-in-time
Cash at end of period	`CashBalance`	$164.00K	USD	Point-in-time
Cash at end of period	`CashBalance`	$108.00K	USD	Point-in-time

Stockholders Equity 59 line items

Line Item	Tag	Value	Unit	Period
Member's Capital balance at beginning of period	`MembersCapital`	$1.65B	USD	Point-in-time
Member's Capital balance at beginning of period	`MembersCapital`	$1.73B	USD	Point-in-time
Member's Capital balance at beginning of period	`MembersCapital`	$1.84B	USD	Point-in-time
Member's Capital balance at beginning of period	`MembersCapital`	$1.65B	USD	Point-in-time
Cash contributions from parent	`ProceedsFromContributionsFromParent`	-	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$115.00M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$75.00M	USD	Annual
Non-cash contributions from parent	`NonCashContributionsFromParent`	-	USD	Annual
Non-cash contributions from parent	`NonCashContributionsFromParent`	$4.00K	USD	Annual
Non-cash contributions from parent	`NonCashContributionsFromParent`	-	USD	Annual
Non-cash return of capital	`NonCashReturnOfCapital`	$-546.00K	USD	Annual
Non-cash return of capital	`NonCashReturnOfCapital`	-	USD	Annual
Non-cash return of capital	`NonCashReturnOfCapital`	-	USD	Annual
Member's Capital balance at end of period	`MembersCapital`	$1.65B	USD	Point-in-time
Member's Capital balance at end of period	`MembersCapital`	$1.73B	USD	Point-in-time
Member's Capital balance at end of period	`MembersCapital`	$1.84B	USD	Point-in-time
Member's Capital balance at end of period	`MembersCapital`	$1.65B	USD	Point-in-time
Loans to Parent balance at beginning of period	`LoansToParent`	-	USD	Point-in-time
Loans to Parent balance at beginning of period	`LoansToParent`	-	USD	Point-in-time
Loans to Parent balance at beginning of period	`LoansToParent`	$-237.53M	USD	Point-in-time
Loans to Parent balance at beginning of period	`LoansToParent`	$-42.21M	USD	Point-in-time
Loans to parent, net	`LoansToParentNet`	$237.53M	USD	Annual
Loans to parent, net	`LoansToParentNet`	$-195.32M	USD	Annual
Loans to parent, net	`LoansToParentNet`	-	USD	Annual
Loans to Parent balance at end of period	`LoansToParent`	-	USD	Point-in-time
Loans to Parent balance at end of period	`LoansToParent`	-	USD	Point-in-time
Loans to Parent balance at end of period	`LoansToParent`	$-237.53M	USD	Point-in-time
Loans to Parent balance at end of period	`LoansToParent`	$-42.21M	USD	Point-in-time
Retained Earnings balance at beginning of period	`RetainedEarningsAccumulatedDeficit`	$2.05B	USD	Point-in-time
Retained Earnings balance at beginning of period	`RetainedEarningsAccumulatedDeficit`	$2.18B	USD	Point-in-time
Retained Earnings balance at beginning of period	`RetainedEarningsAccumulatedDeficit`	$2.18B	USD	Point-in-time
Retained Earnings balance at beginning of period	`RetainedEarningsAccumulatedDeficit`	$2.12B	USD	Point-in-time
Net Income	`NetIncomeLoss`	$279.66M	USD	Annual
Net Income	`NetIncomeLoss`	$270.78M	USD	Annual
Net Income	`NetIncomeLoss`	$280.36M	USD	Annual
Cash distributions	`CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries`	$-219.00M	USD	Annual
Cash distributions	`CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries`	$-145.00M	USD	Annual
Cash distributions	`CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries`	$-333.79M	USD	Annual
Non-cash distributions	`NonCashDistributions`	-	USD	Annual
Non-cash distributions	`NonCashDistributions`	$-199.00K	USD	Annual
Non-cash distributions	`NonCashDistributions`	-	USD	Annual
Retained Earnings balance at end of period	`RetainedEarningsAccumulatedDeficit`	$2.05B	USD	Point-in-time
Retained Earnings balance at end of period	`RetainedEarningsAccumulatedDeficit`	$2.18B	USD	Point-in-time
Retained Earnings balance at end of period	`RetainedEarningsAccumulatedDeficit`	$2.18B	USD	Point-in-time
Retained Earnings balance at end of period	`RetainedEarningsAccumulatedDeficit`	$2.12B	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss) balance at beginning of period	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-718.00K	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss) balance at beginning of period	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.09M	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss) balance at beginning of period	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$173.00K	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss) balance at beginning of period	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-346.00K	USD	Point-in-time
Equity interest in unrealized gain (loss) on interest rate hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$891.00K	USD	Annual
Equity interest in unrealized gain (loss) on interest rate hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$369.00K	USD	Annual
Equity interest in unrealized gain (loss) on interest rate hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$-519.00K	USD	Annual
Accumulated Other Comprehensive Income (Loss) balance at end of period	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-718.00K	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss) balance at end of period	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.09M	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss) balance at end of period	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$173.00K	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss) balance at end of period	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-346.00K	USD	Point-in-time
Total Owner's Equity	`OwnersEquity`	$3.59B	USD	Point-in-time
Total Owner's Equity	`OwnersEquity`	$3.84B	USD	Point-in-time
Total Owner's Equity	`OwnersEquity`	$4.02B	USD	Point-in-time

Comprehensive Income 9 line items

Line Item	Tag	Value	Unit	Period
Net Income	`NetIncomeLoss`	$279.66M	USD	Annual
Net Income	`NetIncomeLoss`	$270.78M	USD	Annual
Net Income	`NetIncomeLoss`	$280.36M	USD	Annual
Equity interest in unrealized gain (loss) on interest rate hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$891.00K	USD	Annual
Equity interest in unrealized gain (loss) on interest rate hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$369.00K	USD	Annual
Equity interest in unrealized gain (loss) on interest rate hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$-519.00K	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$279.14M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$280.73M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$271.67M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.