10-K Filing

TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC CIK: 99250 FY 2015

Filing Information

Form Type	10-K
Accession Number	`0000099250-16-000015`
Period End Date	20151231
Filing Date	20160224
Fiscal Year	2015
Fiscal Period	FY
XBRL Instance	tgpl-20151231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 95 Income Statement 75 Cash Flow Statement 119 Stockholders Equity 18 Comprehensive Income 3

Balance Sheet 95 line items

Line Item	Tag	Value	Unit	Period
Allowance for receivables	`AllowanceForDoubtfulAccountsReceivableCurrent`	-	USD	Point-in-time
Allowance for receivables	`AllowanceForDoubtfulAccountsReceivableCurrent`	$13.00K	USD	Point-in-time
Cash	`Cash`	$173.00K	USD	Point-in-time
Cash	`Cash`	$113.00K	USD	Point-in-time
Cash	`Cash`	-	USD	Point-in-time
Cash	`Cash`	$185.00K	USD	Point-in-time
Trade, less allowance of $13 ($0 in 2014)	`AccountsReceivableNetCurrent`	$127.14M	USD	Point-in-time
Trade, less allowance of $13 ($0 in 2014)	`AccountsReceivableNetCurrent`	$134.83M	USD	Point-in-time
Affiliates	`DueFromRelatedPartiesCurrent`	$1.08M	USD	Point-in-time
Affiliates	`DueFromRelatedPartiesCurrent`	$654.00K	USD	Point-in-time
Advances to affiliate	`NotesReceivableRelatedPartiesCurrent`	$306.91M	USD	Point-in-time
Advances to affiliate	`NotesReceivableRelatedPartiesCurrent`	$64.61M	USD	Point-in-time
Other	`AccountsAndOtherReceivablesNetCurrent`	$3.59M	USD	Point-in-time
Other	`AccountsAndOtherReceivablesNetCurrent`	$15.42M	USD	Point-in-time
Transportation and exchange gas receivables	`GasImbalanceAssetLiability`	$3.48M	USD	Point-in-time
Transportation and exchange gas receivables	`GasImbalanceAssetLiability`	$2.43M	USD	Point-in-time
Gas in storage, at original cost	`EnergyRelatedInventoryNaturalGasInStorage`	$780.00K	USD	Point-in-time
Gas in storage, at original cost	`EnergyRelatedInventoryNaturalGasInStorage`	$715.00K	USD	Point-in-time
Gas in storage, LIFO	`EnergyRelatedInventoryGasStoredUnderground`	-	USD	Point-in-time
Gas in storage, LIFO	`EnergyRelatedInventoryGasStoredUnderground`	$497.00K	USD	Point-in-time
Gas available for customer nomination, at average cost	`GasAvailableForCustomerNominationAtAverageCost`	$28.46M	USD	Point-in-time
Gas available for customer nomination, at average cost	`GasAvailableForCustomerNominationAtAverageCost`	$19.84M	USD	Point-in-time
Material and supplies, at lower of average cost or market	`InventoryNet`	$36.22M	USD	Point-in-time
Material and supplies, at lower of average cost or market	`InventoryNet`	$37.02M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$77.81M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$79.58M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$14.68M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$15.30M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$370.09M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$601.15M	USD	Point-in-time
Investments, at cost plus equity in undistributed earnings	`EquityMethodInvestments`	$47.05M	USD	Point-in-time
Investments, at cost plus equity in undistributed earnings	`EquityMethodInvestments`	$45.08M	USD	Point-in-time
Natural gas transmission plant	`PropertyPlantAndEquipmentGross`	$9.65B	USD	Point-in-time
Natural gas transmission plant	`PropertyPlantAndEquipmentGross`	$10.86B	USD	Point-in-time
Less-Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.26B	USD	Point-in-time
Less-Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.47B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.39B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$7.39B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$239.08M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$263.73M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$65.26M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$73.81M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$337.54M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$304.34M	USD	Point-in-time
Total assets	`Assets`	$7.34B	USD	Point-in-time
Total assets	`Assets`	$8.14B	USD	Point-in-time
Trade	`AccountsPayableTradeCurrent`	$194.08M	USD	Point-in-time
Trade	`AccountsPayableTradeCurrent`	$237.87M	USD	Point-in-time
Affiliates	`DueToRelatedPartiesCurrent`	$38.24M	USD	Point-in-time
Affiliates	`DueToRelatedPartiesCurrent`	$37.69M	USD	Point-in-time
Cash overdrafts	`BankOverdrafts`	$28.97M	USD	Point-in-time
Cash overdrafts	`BankOverdrafts`	$30.87M	USD	Point-in-time
Transportation and exchange gas payables	`TransportationAndExchangeGasPayables`	$4.70M	USD	Point-in-time
Transportation and exchange gas payables	`TransportationAndExchangeGasPayables`	$1.35M	USD	Point-in-time
Property and other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$13.72M	USD	Point-in-time
Property and other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$12.66M	USD	Point-in-time
Interest	`InterestPayableCurrent`	$19.89M	USD	Point-in-time
Interest	`InterestPayableCurrent`	$19.89M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$7.05M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$3.54M	USD	Point-in-time
Customer advances	`CustomerAdvancesCurrent`	$21.00M	USD	Point-in-time
Customer advances	`CustomerAdvancesCurrent`	$9.21M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$23.19M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$16.44M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$37.78M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$28.95M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$371.88M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$415.23M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$1.42B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$1.42B	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$299.83M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$280.03M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$382.32M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$326.08M	USD	Point-in-time
Advances for construction costs	`Advancesforconstructioncosts`	$97.79M	USD	Point-in-time
Advances for construction costs	`Advancesforconstructioncosts`	$30.46M	USD	Point-in-time
Transportation prepayments	`DeferredRevenueNoncurrent`	$12.81M	USD	Point-in-time
Transportation prepayments	`DeferredRevenueNoncurrent`	-	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$4.82M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$5.27M	USD	Point-in-time
Total other long-term liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$797.57M	USD	Point-in-time
Total other long-term liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$641.84M	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`	$2.52B	USD	Point-in-time
Member's capital	`MembersCapital`	$3.18B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.38B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.34B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-115.00K	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-31.00K	USD	Point-in-time
Total owner's equity	`MembersEquity`	$4.59B	USD	Point-in-time
Total owner's equity	`MembersEquity`	$4.86B	USD	Point-in-time
Total owner's equity	`MembersEquity`	$5.56B	USD	Point-in-time
Total liabilities and owner's equity	`LiabilitiesAndOwnersEquity`	$7.34B	USD	Point-in-time
Total liabilities and owner's equity	`LiabilitiesAndOwnersEquity`	$8.14B	USD	Point-in-time

Income Statement 75 line items

Line Item	Tag	Value	Unit	Period
Natural gas sales	`OilAndGasSalesRevenue`	$121.40M	USD	Annual
Natural gas sales	`OilAndGasSalesRevenue`	$113.49M	USD	Annual
Natural gas sales	`OilAndGasSalesRevenue`	$125.77M	USD	Annual
Natural gas transportation	`GasGatheringTransportationMarketingAndProcessingRevenue`	$1.09B	USD	Annual
Natural gas transportation	`GasGatheringTransportationMarketingAndProcessingRevenue`	$1.32B	USD	Annual
Natural gas transportation	`GasGatheringTransportationMarketingAndProcessingRevenue`	$1.17B	USD	Annual
Natural gas storage	`NaturalGasStorageRevenue`	$137.98M	USD	Annual
Natural gas storage	`NaturalGasStorageRevenue`	$143.05M	USD	Annual
Natural gas storage	`NaturalGasStorageRevenue`	$140.34M	USD	Annual
Other	`OtherSalesRevenueNet`	$5.15M	USD	Annual
Other	`OtherSalesRevenueNet`	$10.11M	USD	Annual
Other	`OtherSalesRevenueNet`	$4.99M	USD	Annual
Total operating revenues	`OilAndGasRevenue`	$1.43B	USD	Annual
Total operating revenues	`OilAndGasRevenue`	$1.36B	USD	Annual
Total operating revenues	`OilAndGasRevenue`	$1.59B	USD	Annual
Cost of natural gas sales	`CostOfGoodsSoldOilAndGas`	$125.77M	USD	Annual
Cost of natural gas sales	`CostOfGoodsSoldOilAndGas`	$113.49M	USD	Annual
Cost of natural gas sales	`CostOfGoodsSoldOilAndGas`	$121.40M	USD	Annual
Cost of natural gas transportation	`GasGatheringTransportationMarketingAndProcessingCosts`	$26.50M	USD	Annual
Cost of natural gas transportation	`GasGatheringTransportationMarketingAndProcessingCosts`	$31.63M	USD	Annual
Cost of natural gas transportation	`GasGatheringTransportationMarketingAndProcessingCosts`	$24.94M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$288.39M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$271.60M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$264.63M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$179.49M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$182.35M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$183.76M	USD	Annual
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$270.18M	USD	Annual
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$277.85M	USD	Annual
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$265.27M	USD	Annual
Taxes - other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$44.52M	USD	Annual
Taxes - other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$43.90M	USD	Annual
Taxes - other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$49.57M	USD	Annual
Other expense, net	`OtherOperatingIncomeExpenseNet`	$-37.21M	USD	Annual
Other expense, net	`OtherOperatingIncomeExpenseNet`	$-32.61M	USD	Annual
Other expense, net	`OtherOperatingIncomeExpenseNet`	$-57.80M	USD	Annual
Total operating costs and expenses	`CostsAndExpenses`	$960.30M	USD	Annual
Total operating costs and expenses	`CostsAndExpenses`	$1.01B	USD	Annual
Total operating costs and expenses	`CostsAndExpenses`	$927.18M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$587.15M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$472.84M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$429.15M	USD	Annual
Interest expense - affiliate	`InterestExpenseRelatedParty`	$64.00K	USD	Annual
Interest expense - affiliate	`InterestExpenseRelatedParty`	$70.00K	USD	Annual
Interest expense - affiliate	`InterestExpenseRelatedParty`	$190.00K	USD	Annual
Interest expense - other	`InterestExpenseOther`	$84.92M	USD	Annual
Interest expense - other	`InterestExpenseOther`	$82.77M	USD	Annual
Interest expense - other	`InterestExpenseOther`	$84.00M	USD	Annual
Interest income - affiliate	`InterestIncomeRelatedParty`	$45.00K	USD	Annual
Interest income - affiliate	`InterestIncomeRelatedParty`	$49.00K	USD	Annual
Interest income - affiliate	`InterestIncomeRelatedParty`	$28.00K	USD	Annual
Interest income - other	`InterestIncomeOther`	$1.93M	USD	Annual
Interest income - other	`InterestIncomeOther`	$2.07M	USD	Annual
Interest income - other	`InterestIncomeOther`	$1.78M	USD	Annual
Allowance for equity and borrowed funds used during construction (AFUDC)	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$25.05M	USD	Annual
Allowance for equity and borrowed funds used during construction (AFUDC)	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$18.59M	USD	Annual
Allowance for equity and borrowed funds used during construction (AFUDC)	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$63.07M	USD	Annual
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$5.59M	USD	Annual
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$5.78M	USD	Annual
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$5.68M	USD	Annual
Miscellaneous other (income) expenses, net	`OtherNonoperatingIncomeExpense`	$517.00K	USD	Annual
Miscellaneous other (income) expenses, net	`OtherNonoperatingIncomeExpense`	$2.68M	USD	Annual
Miscellaneous other (income) expenses, net	`OtherNonoperatingIncomeExpense`	$2.37M	USD	Annual
Total other (income) and other expenses	`NonoperatingIncomeExpense`	$-49.95M	USD	Annual
Total other (income) and other expenses	`NonoperatingIncomeExpense`	$-55.12M	USD	Annual
Total other (income) and other expenses	`NonoperatingIncomeExpense`	$-11.70M	USD	Annual
Net Income	`NetIncomeLoss`	$374.03M	USD	Annual
Net Income	`NetIncomeLoss`	$575.46M	USD	Annual
Net Income	`NetIncomeLoss`	$422.88M	USD	Annual
Equity interest in unrealized gain on interest rate hedges (includes S316, $344, and $330 for the years ended December 31, 2015, 2014, and 2013, respectively, of accumulated other comprehensive income reclassification for equity interest in realized losses on interest rate hedges)	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$464.00K	USD	Annual
Equity interest in unrealized gain on interest rate hedges (includes S316, $344, and $330 for the years ended December 31, 2015, 2014, and 2013, respectively, of accumulated other comprehensive income reclassification for equity interest in realized losses on interest rate hedges)	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$143.00K	USD	Annual
Equity interest in unrealized gain on interest rate hedges (includes S316, $344, and $330 for the years ended December 31, 2015, 2014, and 2013, respectively, of accumulated other comprehensive income reclassification for equity interest in realized losses on interest rate hedges)	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$84.00K	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$575.54M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$374.49M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$423.03M	USD	Annual

Cash Flow Statement 119 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$374.03M	USD	Annual
Net income	`NetIncomeLoss`	$575.46M	USD	Annual
Net income	`NetIncomeLoss`	$422.88M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$269.39M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$277.85M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$263.95M	USD	Annual
Allowance for equity funds used during construction (equity AFUDC)	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$13.30M	USD	Annual
Allowance for equity funds used during construction (equity AFUDC)	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$18.70M	USD	Annual
Allowance for equity funds used during construction (equity AFUDC)	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$48.44M	USD	Annual
Receivables - affiliates	`IncreaseDecreaseInDueFromAffiliatesCurrent`	$430.00K	USD	Annual
Receivables - affiliates	`IncreaseDecreaseInDueFromAffiliatesCurrent`	$-55.00K	USD	Annual
Receivables - affiliates	`IncreaseDecreaseInDueFromAffiliatesCurrent`	$-1.95M	USD	Annual
Receivables - trade and other	`IncreaseDecreaseInOtherReceivables`	$-17.44M	USD	Annual
Receivables - trade and other	`IncreaseDecreaseInOtherReceivables`	$19.52M	USD	Annual
Receivables - trade and other	`IncreaseDecreaseInOtherReceivables`	$21.77M	USD	Annual
Transportation and exchange gas receivable	`IncreaseDecreaseInTransportationAndExchangeGasReceivable`	$-1.06M	USD	Annual
Transportation and exchange gas receivable	`IncreaseDecreaseInTransportationAndExchangeGasReceivable`	$3.88M	USD	Annual
Transportation and exchange gas receivable	`IncreaseDecreaseInTransportationAndExchangeGasReceivable`	$-3.27M	USD	Annual
Regulatory assets - current	`IncreaseDecreaseinCurrentRegulatoryAssets`	$1.76M	USD	Annual
Regulatory assets - current	`IncreaseDecreaseinCurrentRegulatoryAssets`	$-28.54M	USD	Annual
Regulatory assets - current	`IncreaseDecreaseinCurrentRegulatoryAssets`	$40.29M	USD	Annual
Regulatory assets - non-current	`IncreaseDecreaseinNoncurrentRegulatoryAssets`	$-17.53M	USD	Annual
Regulatory assets - non-current	`IncreaseDecreaseinNoncurrentRegulatoryAssets`	$24.65M	USD	Annual
Regulatory assets - non-current	`IncreaseDecreaseinNoncurrentRegulatoryAssets`	$-21.91M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-232.00K	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$19.17M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-9.86M	USD	Annual
Payables - affiliates	`IncreaseDecreaseInDueToAffiliatesCurrent`	$-3.74M	USD	Annual
Payables - affiliates	`IncreaseDecreaseInDueToAffiliatesCurrent`	$2.68M	USD	Annual
Payables - affiliates	`IncreaseDecreaseInDueToAffiliatesCurrent`	$9.42M	USD	Annual
Payables - trade	`IncreaseDecreaseInOtherAccountsPayable`	$-26.46M	USD	Annual
Payables - trade	`IncreaseDecreaseInOtherAccountsPayable`	$-2.08M	USD	Annual
Payables - trade	`IncreaseDecreaseInOtherAccountsPayable`	$32.62M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-10.02M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-39.45M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$28.32M	USD	Annual
Asset retirement obligations - non-current	`IncreaseDecreaseInAssetRetirementObligations`	$19.02M	USD	Annual
Asset retirement obligations - non-current	`IncreaseDecreaseInAssetRetirementObligations`	$13.11M	USD	Annual
Asset retirement obligations - non-current	`IncreaseDecreaseInAssetRetirementObligations`	$30.84M	USD	Annual
Asset retirement obligation - removal costs	`PaymentsForRemovalCosts`	$12.82M	USD	Annual
Asset retirement obligation - removal costs	`PaymentsForRemovalCosts`	$3.10M	USD	Annual
Asset retirement obligation - removal costs	`PaymentsForRemovalCosts`	$26.92M	USD	Annual
Reserve for rate refunds	`IncreaseDecreaseinReserveforRateRefunds`	$98.22M	USD	Annual
Reserve for rate refunds	`IncreaseDecreaseinReserveforRateRefunds`	$-98.22M	USD	Annual
Reserve for rate refunds	`IncreaseDecreaseinReserveforRateRefunds`	-	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$7.95M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$45.01M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$10.73M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$820.94M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$584.65M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$743.01M	USD	Annual
Cash distributions to parent	`PaymentsOfDistributionsToAffiliates`	$536.00M	USD	Annual
Cash distributions to parent	`PaymentsOfDistributionsToAffiliates`	$250.00M	USD	Annual
Cash distributions to parent	`PaymentsOfDistributionsToAffiliates`	$411.00M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$264.00M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$652.00M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$267.00M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.03M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$22.33M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$10.97M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$116.00M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-121.67M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC	`PaymentsToAcquirePropertyPlantAndEquipment`	$557.37M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC	`PaymentsToAcquirePropertyPlantAndEquipment`	$724.16M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.27B	USD	Annual
Contributions and Advances for Construction Costs	`ContributionsandAdvancesforConstructionCosts`	$85.90M	USD	Annual
Contributions and Advances for Construction Costs	`ContributionsandAdvancesforConstructionCosts`	$57.82M	USD	Annual
Contributions and Advances for Construction Costs	`ContributionsandAdvancesforConstructionCosts`	$30.45M	USD	Annual
Disposal of property, plant and equipment, net	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$-7.53M	USD	Annual
Disposal of property, plant and equipment, net	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$-12.36M	USD	Annual
Disposal of property, plant and equipment, net	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$-3.62M	USD	Annual
Advances to affiliate, net	`IncreaseDecreaseInNotesReceivableRelatedPartiesCurrent`	$-219.47M	USD	Annual
Advances to affiliate, net	`IncreaseDecreaseInNotesReceivableRelatedPartiesCurrent`	$-242.30M	USD	Annual
Advances to affiliate, net	`IncreaseDecreaseInNotesReceivableRelatedPartiesCurrent`	$214.22M	USD	Annual
Return of capital from unconsolidated affiliates	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$2.33M	USD	Annual
Return of capital from unconsolidated affiliates	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$2.02M	USD	Annual
Return of capital from unconsolidated affiliates	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$1.44M	USD	Annual
Purchase of ARO Trust investments	`PaymentsToInvestInDecommissioningFund`	$52.04M	USD	Annual
Purchase of ARO Trust investments	`PaymentsToInvestInDecommissioningFund`	$64.09M	USD	Annual
Purchase of ARO Trust investments	`PaymentsToInvestInDecommissioningFund`	$58.24M	USD	Annual
Proceeds from sale of ARO Trust investments	`ProceedsFromDecommissioningFund`	$38.69M	USD	Annual
Proceeds from sale of ARO Trust investments	`ProceedsFromDecommissioningFund`	$43.28M	USD	Annual
Proceeds from sale of ARO Trust investments	`ProceedsFromDecommissioningFund`	$45.61M	USD	Annual
Proceeds from insurance	`ProceedsFromInsuranceSettlementInvestingActivities`	-	USD	Annual
Proceeds from insurance	`ProceedsFromInsuranceSettlementInvestingActivities`	$35.13M	USD	Annual
Proceeds from insurance	`ProceedsFromInsuranceSettlementInvestingActivities`	-	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-1.90M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-2.50M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-1.56M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-937.11M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-462.92M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-754.05M	USD	Annual
Increase (decrease) in cash	`CashPeriodIncreaseDecrease`	$60.00K	USD	Annual
Increase (decrease) in cash	`CashPeriodIncreaseDecrease`	$-72.00K	USD	Annual
Increase (decrease) in cash	`CashPeriodIncreaseDecrease`	$-173.00K	USD	Annual
Cash at beginning of period	`Cash`	$173.00K	USD	Point-in-time
Cash at beginning of period	`Cash`	$113.00K	USD	Point-in-time
Cash at beginning of period	`Cash`	-	USD	Point-in-time
Cash at beginning of period	`Cash`	$185.00K	USD	Point-in-time
Cash at end of period	`Cash`	$173.00K	USD	Point-in-time
Cash at end of period	`Cash`	$113.00K	USD	Point-in-time
Cash at end of period	`Cash`	-	USD	Point-in-time
Cash at end of period	`Cash`	$185.00K	USD	Point-in-time
Increase to property, plant and equipment, net of equity AFUDC	`PaymentsToAcquireOilAndGasPropertyAndEquipment`	$1.22B	USD	Annual
Increase to property, plant and equipment, net of equity AFUDC	`PaymentsToAcquireOilAndGasPropertyAndEquipment`	$807.23M	USD	Annual
Increase to property, plant and equipment, net of equity AFUDC	`PaymentsToAcquireOilAndGasPropertyAndEquipment`	$572.96M	USD	Annual
Changes in related accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$83.07M	USD	Annual
Changes in related accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-48.57M	USD	Annual
Changes in related accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$15.59M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC	`PaymentsToAcquirePropertyPlantAndEquipment`	$557.37M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC	`PaymentsToAcquirePropertyPlantAndEquipment`	$724.16M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.27B	USD	Annual
Interest (exclusive of amount capitalized)	`InterestPaidNet`	$77.30M	USD	Annual
Interest (exclusive of amount capitalized)	`InterestPaidNet`	$66.49M	USD	Annual
Interest (exclusive of amount capitalized)	`InterestPaidNet`	$76.80M	USD	Annual
Income taxes	`IncomeTaxesPaid`	$1.16M	USD	Annual
Income taxes	`IncomeTaxesPaid`	$116.00K	USD	Annual
Income taxes	`IncomeTaxesPaid`	$864.00K	USD	Annual

Stockholders Equity 18 line items

Line Item	Tag	Value	Unit	Period
Balance at beginning of period	`MembersEquity`	$4.59B	USD	Point-in-time
Balance at beginning of period	`MembersEquity`	$4.86B	USD	Point-in-time
Balance at beginning of period	`MembersEquity`	$5.56B	USD	Point-in-time
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$264.00M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$652.00M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$267.00M	USD	Annual
Net income	`NetIncomeLoss`	$374.03M	USD	Annual
Net income	`NetIncomeLoss`	$575.46M	USD	Annual
Net income	`NetIncomeLoss`	$422.88M	USD	Annual
Cash distributions to parent	`PaymentsOfDistributionsToAffiliates`	$536.00M	USD	Annual
Cash distributions to parent	`PaymentsOfDistributionsToAffiliates`	$250.00M	USD	Annual
Cash distributions to parent	`PaymentsOfDistributionsToAffiliates`	$411.00M	USD	Annual
Equity interest in unrealized gain on interest rate hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$464.00K	USD	Annual
Equity interest in unrealized gain on interest rate hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$143.00K	USD	Annual
Equity interest in unrealized gain on interest rate hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$84.00K	USD	Annual
Balance at end of period	`MembersEquity`	$4.59B	USD	Point-in-time
Balance at end of period	`MembersEquity`	$4.86B	USD	Point-in-time
Balance at end of period	`MembersEquity`	$5.56B	USD	Point-in-time

Comprehensive Income 3 line items

Line Item	Tag	Value	Unit	Period
Accumulated other comprehensive income reclassification for realized losses on interest rate hedges	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$344.00K	USD	Annual
Accumulated other comprehensive income reclassification for realized losses on interest rate hedges	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$316.00K	USD	Annual
Accumulated other comprehensive income reclassification for realized losses on interest rate hedges	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$330.00K	USD	Annual

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