10-K Filing

TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC CIK: 99250 FY 2017

Filing Information

Form Type	10-K
Accession Number	`0000099250-18-000003`
Period End Date	20171231
Filing Date	20180222
Fiscal Year	2017
Fiscal Period	FY
XBRL Instance	tgpl-20171231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 99 Income Statement 78 Cash Flow Statement 131 Stockholders Equity 18 Comprehensive Income 3

Balance Sheet 99 line items

Line Item	Tag	Value	Unit	Period
Allowance for receivables	`AllowanceForDoubtfulAccountsReceivableCurrent`	-	USD	Point-in-time
Allowance for receivables	`AllowanceForDoubtfulAccountsReceivableCurrent`	-	USD	Point-in-time
Cash	`Cash`	-	USD	Point-in-time
Cash	`Cash`	-	USD	Point-in-time
Cash	`Cash`	-	USD	Point-in-time
Cash	`Cash`	$173.00K	USD	Point-in-time
Trade	`AccountsReceivableNetCurrent`	$167.93M	USD	Point-in-time
Trade	`AccountsReceivableNetCurrent`	$141.73M	USD	Point-in-time
Affiliates	`DueFromRelatedPartiesCurrent`	$1.11M	USD	Point-in-time
Affiliates	`DueFromRelatedPartiesCurrent`	$489.00K	USD	Point-in-time
Advances to affiliate	`NotesReceivableRelatedPartiesCurrent`	$811.69M	USD	Point-in-time
Advances to affiliate	`NotesReceivableRelatedPartiesCurrent`	$395.25M	USD	Point-in-time
Other	`AccountsAndOtherReceivablesNetCurrent`	$2.59M	USD	Point-in-time
Other	`AccountsAndOtherReceivablesNetCurrent`	$2.49M	USD	Point-in-time
Transportation and exchange gas receivables	`GasImbalanceAssetLiability`	$1.83M	USD	Point-in-time
Transportation and exchange gas receivables	`GasImbalanceAssetLiability`	$3.21M	USD	Point-in-time
Gas in storage, at original cost	`EnergyRelatedInventoryNaturalGasInStorage`	$786.00K	USD	Point-in-time
Gas in storage, at original cost	`EnergyRelatedInventoryNaturalGasInStorage`	$790.00K	USD	Point-in-time
Gas available for customer nomination, at average cost	`GasAvailableForCustomerNominationAtAverageCost`	$17.23M	USD	Point-in-time
Gas available for customer nomination, at average cost	`GasAvailableForCustomerNominationAtAverageCost`	$1.85M	USD	Point-in-time
Materials and supplies, at lower of average cost or market	`InventoryNet`	$37.19M	USD	Point-in-time
Materials and supplies, at lower of average cost or market	`InventoryNet`	$37.39M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$97.15M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$87.06M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$12.51M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$13.30M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$719.67M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.11B	USD	Point-in-time
Investments, at cost plus equity in undistributed earnings	`EquityMethodInvestments`	$42.40M	USD	Point-in-time
Investments, at cost plus equity in undistributed earnings	`EquityMethodInvestments`	$28.50M	USD	Point-in-time
Natural gas transmission plant	`PropertyPlantAndEquipmentGross`	$13.77B	USD	Point-in-time
Natural gas transmission plant	`PropertyPlantAndEquipmentGross`	$12.00B	USD	Point-in-time
Less-Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.69B	USD	Point-in-time
Less-Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.86B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$8.31B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$9.91B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$264.00M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$276.31M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$141.79M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$102.20M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$366.20M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$418.10M	USD	Point-in-time
Total assets	`Assets`	$9.83B	USD	Point-in-time
Total assets	`Assets`	$11.08B	USD	Point-in-time
Trade	`AccountsPayableTradeCurrent`	$211.83M	USD	Point-in-time
Trade	`AccountsPayableTradeCurrent`	$444.02M	USD	Point-in-time
Affiliates	`DueToRelatedPartiesCurrent`	$43.42M	USD	Point-in-time
Affiliates	`DueToRelatedPartiesCurrent`	$29.45M	USD	Point-in-time
Cash overdrafts	`BankOverdrafts`	$25.13M	USD	Point-in-time
Cash overdrafts	`BankOverdrafts`	$40.04M	USD	Point-in-time
Transportation and exchange gas payables	`TransportationAndExchangeGasPayables`	$1.57M	USD	Point-in-time
Transportation and exchange gas payables	`TransportationAndExchangeGasPayables`	$2.12M	USD	Point-in-time
Property and other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$13.59M	USD	Point-in-time
Property and other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$12.84M	USD	Point-in-time
Interest	`InterestPayableCurrent`	$49.90M	USD	Point-in-time
Interest	`InterestPayableCurrent`	$49.90M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$16.35M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$9.12M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$15.75M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$47.05M	USD	Point-in-time
Customer advances	`CustomerAdvancesCurrent`	$44.69M	USD	Point-in-time
Customer advances	`CustomerAdvancesCurrent`	$34.92M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$26.93M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$13.68M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$16.18M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$20.39M	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	-	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	$251.43M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$480.60M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$939.73M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$2.21B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$2.19B	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$248.52M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$350.28M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$990.70M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$449.39M	USD	Point-in-time
Advances for construction costs	`Advancesforconstructioncosts`	$426.77M	USD	Point-in-time
Advances for construction costs	`Advancesforconstructioncosts`	$283.03M	USD	Point-in-time
Transportation prepayments	`DeferredRevenueNoncurrent`	$10.87M	USD	Point-in-time
Transportation prepayments	`DeferredRevenueNoncurrent`	$11.84M	USD	Point-in-time
Deferred revenue	`DeferredRevenue`	$225.86M	USD	Point-in-time
Deferred revenue	`DeferredRevenue`	-	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$6.09M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$4.83M	USD	Point-in-time
Total other long-term liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.01B	USD	Point-in-time
Total other long-term liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$998.86M	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`	$4.09B	USD	Point-in-time
Member's capital	`MembersCapital`	$3.68B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.46B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.85B	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$337.00K	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$10.00K	USD	Point-in-time
Total member's equity	`MembersEquity`	$6.14B	USD	Point-in-time
Total member's equity	`MembersEquity`	$5.56B	USD	Point-in-time
Total member's equity	`MembersEquity`	$5.94B	USD	Point-in-time
Total liabilities and member's equity	`LiabilitiesAndOwnersEquity`	$11.08B	USD	Point-in-time
Total liabilities and member's equity	`LiabilitiesAndOwnersEquity`	$9.83B	USD	Point-in-time

Income Statement 78 line items

Line Item	Tag	Value	Unit	Period
Natural gas sales	`OilAndGasSalesRevenue`	$99.10M	USD	Annual
Natural gas sales	`OilAndGasSalesRevenue`	$125.77M	USD	Annual
Natural gas sales	`OilAndGasSalesRevenue`	$86.72M	USD	Annual
Natural gas transportation	`GasGatheringTransportationMarketingAndProcessingRevenue`	$1.40B	USD	Annual
Natural gas transportation	`GasGatheringTransportationMarketingAndProcessingRevenue`	$1.53B	USD	Annual
Natural gas transportation	`GasGatheringTransportationMarketingAndProcessingRevenue`	$1.32B	USD	Annual
Natural gas storage	`NaturalGasStorageRevenue`	$122.56M	USD	Annual
Natural gas storage	`NaturalGasStorageRevenue`	$137.98M	USD	Annual
Natural gas storage	`NaturalGasStorageRevenue`	$137.35M	USD	Annual
Other	`OtherSalesRevenueNet`	$6.78M	USD	Annual
Other	`OtherSalesRevenueNet`	$9.52M	USD	Annual
Other	`OtherSalesRevenueNet`	$10.11M	USD	Annual
Total operating revenues	`OilAndGasRevenue`	$1.62B	USD	Annual
Total operating revenues	`OilAndGasRevenue`	$1.78B	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`	$99.10M	USD	Annual
Cost of natural gas sales	`CostOfGoodsSoldOilAndGas`	$86.72M	USD	Annual
Cost of natural gas transportation	`GasGatheringTransportationMarketingAndProcessingCosts`	$19.69M	USD	Annual
Cost of natural gas transportation	`GasGatheringTransportationMarketingAndProcessingCosts`	$19.59M	USD	Annual
Cost of natural gas transportation	`GasGatheringTransportationMarketingAndProcessingCosts`	$26.50M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$288.39M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$316.99M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$401.87M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$179.49M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$182.12M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$168.76M	USD	Annual
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$307.71M	USD	Annual
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$318.06M	USD	Annual
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$277.85M	USD	Annual
Taxes - other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$65.61M	USD	Annual
Taxes - other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$60.12M	USD	Annual
Taxes - other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$49.57M	USD	Annual
Regulatory charge resulting from Tax Reform (Note 1)	`RegulatoryChargesResultingFromTaxReform`	$471.10M	USD	Annual
Regulatory charge resulting from Tax Reform (Note 1)	`RegulatoryChargesResultingFromTaxReform`	-	USD	Annual
Regulatory charge resulting from Tax Reform (Note 1)	`RegulatoryChargesResultingFromTaxReform`	-	USD	Annual
Other expense, net	`OtherOperatingIncomeExpenseNet`	$-63.64M	USD	Annual
Other expense, net	`OtherOperatingIncomeExpenseNet`	$-57.06M	USD	Annual
Other expense, net	`OtherOperatingIncomeExpenseNet`	$-57.80M	USD	Annual
Total operating costs and expenses	`CostsAndExpenses`	$1.01B	USD	Annual
Total operating costs and expenses	`CostsAndExpenses`	$1.02B	USD	Annual
Total operating costs and expenses	`CostsAndExpenses`	$1.62B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$153.91M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$587.15M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$599.09M	USD	Annual
Interest expense - affiliate	`InterestExpenseRelatedParty`	$60.00K	USD	Annual
Interest expense - affiliate	`InterestExpenseRelatedParty`	$64.00K	USD	Annual
Interest expense - affiliate	`InterestExpenseRelatedParty`	$60.00K	USD	Annual
Interest expense - other	`InterestExpenseOther`	$151.23M	USD	Annual
Interest expense - other	`InterestExpenseOther`	$82.77M	USD	Annual
Interest expense - other	`InterestExpenseOther`	$158.81M	USD	Annual
Interest income - affiliate	`InterestIncomeRelatedParty`	$2.20M	USD	Annual
Interest income - affiliate	`InterestIncomeRelatedParty`	$3.51M	USD	Annual
Interest income - affiliate	`InterestIncomeRelatedParty`	$28.00K	USD	Annual
Interest income - other	`InterestIncomeOther`	$1.93M	USD	Annual
Interest income - other	`InterestIncomeOther`	$2.19M	USD	Annual
Interest income - other	`InterestIncomeOther`	$2.78M	USD	Annual
Allowance for equity and borrowed funds used during construction (AFUDC)	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$63.07M	USD	Annual
Allowance for equity and borrowed funds used during construction (AFUDC)	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$68.96M	USD	Annual
Allowance for equity and borrowed funds used during construction (AFUDC)	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$92.01M	USD	Annual
Equity in (earnings) loss of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$5.59M	USD	Annual
Equity in (earnings) loss of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$-6.19M	USD	Annual
Equity in (earnings) loss of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$5.91M	USD	Annual
Miscellaneous other (income) expenses, net	`OtherNonoperatingIncomeExpense`	$-3.68M	USD	Annual
Miscellaneous other (income) expenses, net	`OtherNonoperatingIncomeExpense`	$-31.43M	USD	Annual
Miscellaneous other (income) expenses, net	`OtherNonoperatingIncomeExpense`	$517.00K	USD	Annual
Total other (income) and other expenses	`NonoperatingIncomeExpense`	$-11.70M	USD	Annual
Total other (income) and other expenses	`NonoperatingIncomeExpense`	$-98.19M	USD	Annual
Total other (income) and other expenses	`NonoperatingIncomeExpense`	$-75.71M	USD	Annual
Net Income	`NetIncomeLoss`	$55.73M	USD	Annual
Net Income	`NetIncomeLoss`	$523.38M	USD	Annual
Net Income	`NetIncomeLoss`	$575.46M	USD	Annual
Equity interest in unrealized gain on interest rate hedges (includes $103, $167, and $316 for the years ended December 31, 2017, 2016, and 2015, respectively, of accumulated other comprehensive income reclassification for equity interest in realized losses on interest rate hedges)	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$327.00K	USD	Annual
Equity interest in unrealized gain on interest rate hedges (includes $103, $167, and $316 for the years ended December 31, 2017, 2016, and 2015, respectively, of accumulated other comprehensive income reclassification for equity interest in realized losses on interest rate hedges)	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$41.00K	USD	Annual
Equity interest in unrealized gain on interest rate hedges (includes $103, $167, and $316 for the years ended December 31, 2017, 2016, and 2015, 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`	$523.42M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$56.05M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$575.54M	USD	Annual

Cash Flow Statement 131 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$55.73M	USD	Annual
Net income	`NetIncomeLoss`	$523.38M	USD	Annual
Net income	`NetIncomeLoss`	$575.46M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$277.85M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$318.06M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$307.71M	USD	Annual
Allowance for equity funds used during construction (equity AFUDC)	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$48.44M	USD	Annual
Allowance for equity funds used during construction (equity AFUDC)	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$56.47M	USD	Annual
Allowance for equity funds used during construction (equity AFUDC)	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$69.65M	USD	Annual
Regulatory charge resulting from Tax Reform (Note 1)	`RegulatoryChargesResultingFromTaxReform`	$471.10M	USD	Annual
Regulatory charge resulting from Tax Reform (Note 1)	`RegulatoryChargesResultingFromTaxReform`	-	USD	Annual
Regulatory charge resulting from Tax Reform (Note 1)	`RegulatoryChargesResultingFromTaxReform`	-	USD	Annual
Receivables - affiliates	`IncreaseDecreaseInDueFromAffiliatesCurrent`	$-595.00K	USD	Annual
Receivables - affiliates	`IncreaseDecreaseInDueFromAffiliatesCurrent`	$620.00K	USD	Annual
Receivables - affiliates	`IncreaseDecreaseInDueFromAffiliatesCurrent`	$430.00K	USD	Annual
Receivables - trade and other	`IncreaseDecreaseInOtherReceivables`	$26.11M	USD	Annual
Receivables - trade and other	`IncreaseDecreaseInOtherReceivables`	$19.52M	USD	Annual
Receivables - trade and other	`IncreaseDecreaseInOtherReceivables`	$-5.94M	USD	Annual
Transportation and exchange gas receivable	`IncreaseDecreaseInTransportationAndExchangeGasReceivable`	$-600.00K	USD	Annual
Transportation and exchange gas receivable	`IncreaseDecreaseInTransportationAndExchangeGasReceivable`	$-1.06M	USD	Annual
Transportation and exchange gas receivable	`IncreaseDecreaseInTransportationAndExchangeGasReceivable`	$1.38M	USD	Annual
Regulatory assets - current	`IncreaseDecreaseinCurrentRegulatoryAssets`	$1.76M	USD	Annual
Regulatory assets - current	`IncreaseDecreaseinCurrentRegulatoryAssets`	$10.09M	USD	Annual
Regulatory assets - current	`IncreaseDecreaseinCurrentRegulatoryAssets`	$7.48M	USD	Annual
Regulatory assets - non-current	`IncreaseDecreaseinNoncurrentRegulatoryAssets`	$24.65M	USD	Annual
Regulatory assets - non-current	`IncreaseDecreaseinNoncurrentRegulatoryAssets`	$271.00K	USD	Annual
Regulatory assets - non-current	`IncreaseDecreaseinNoncurrentRegulatoryAssets`	$10.76M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-15.18M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-9.86M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-1.63M	USD	Annual
Payables - affiliates	`IncreaseDecreaseInDueToAffiliatesCurrent`	$12.51M	USD	Annual
Payables - affiliates	`IncreaseDecreaseInDueToAffiliatesCurrent`	$2.68M	USD	Annual
Payables - affiliates	`IncreaseDecreaseInDueToAffiliatesCurrent`	$-10.91M	USD	Annual
Payables - trade	`IncreaseDecreaseInOtherAccountsPayable`	$-9.82M	USD	Annual
Payables - trade	`IncreaseDecreaseInOtherAccountsPayable`	$-2.08M	USD	Annual
Payables - trade	`IncreaseDecreaseInOtherAccountsPayable`	$29.38M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-29.65M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-10.02M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$74.76M	USD	Annual
Asset retirement obligations - non-current	`IncreaseDecreaseInAssetRetirementObligations`	$31.11M	USD	Annual
Asset retirement obligations - non-current	`IncreaseDecreaseInAssetRetirementObligations`	$103.11M	USD	Annual
Asset retirement obligations - non-current	`IncreaseDecreaseInAssetRetirementObligations`	$19.02M	USD	Annual
Asset retirement obligation - removal costs	`PaymentsForRemovalCosts`	$4.91M	USD	Annual
Asset retirement obligation - removal costs	`PaymentsForRemovalCosts`	$3.10M	USD	Annual
Asset retirement obligation - removal costs	`PaymentsForRemovalCosts`	$4.58M	USD	Annual
Deferred Revenue	`IncreaseDecreaseInDeferredRevenue`	$-4.54M	USD	Annual
Deferred Revenue	`IncreaseDecreaseInDeferredRevenue`	-	USD	Annual
Deferred Revenue	`IncreaseDecreaseInDeferredRevenue`	-	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$32.03M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$45.01M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$14.41M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$927.09M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$822.89M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$820.94M	USD	Annual
Proceeds from long-term debt	`ProceedsFromRepaymentsOfOtherLongTermDebt`	$998.25M	USD	Annual
Proceeds from long-term debt	`ProceedsFromRepaymentsOfOtherLongTermDebt`	-	USD	Annual
Proceeds from long-term debt	`ProceedsFromRepaymentsOfOtherLongTermDebt`	-	USD	Annual
Retirement of long-term debt	`MaturitiesOfSeniorDebt`	-	USD	Annual
Retirement of long-term debt	`MaturitiesOfSeniorDebt`	$200.00M	USD	Annual
Retirement of long-term debt	`MaturitiesOfSeniorDebt`	-	USD	Annual
Payments on other financing obligations	`PaymentsOfFinancingCosts`	-	USD	Annual
Payments on other financing obligations	`PaymentsOfFinancingCosts`	-	USD	Annual
Payments on other financing obligations	`PaymentsOfFinancingCosts`	$486.00K	USD	Annual
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$8.38M	USD	Annual
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$13.00K	USD	Annual
Cash distributions to parent	`PaymentsOfDistributionsToAffiliates`	$536.00M	USD	Annual
Cash distributions to parent	`PaymentsOfDistributionsToAffiliates`	$430.00M	USD	Annual
Cash distributions to parent	`PaymentsOfDistributionsToAffiliates`	$440.00M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$652.00M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$502.00M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$410.00M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$116.00M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$851.87M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-20.50M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.21B	USD	Annual
Property, plant and equipment additions, net of equity AFUDC	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.58B	USD	Annual
Property, plant and equipment additions, net of equity AFUDC	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.27B	USD	Annual
Contributions and Advances for Construction Costs	`ContributionsandAdvancesforConstructionCosts`	$425.40M	USD	Annual
Contributions and Advances for Construction Costs	`ContributionsandAdvancesforConstructionCosts`	$85.90M	USD	Annual
Contributions and Advances for Construction Costs	`ContributionsandAdvancesforConstructionCosts`	$216.45M	USD	Annual
Disposal of property, plant and equipment, net	`PaymentsForProceedsFromRemovalCosts`	$12.53M	USD	Annual
Disposal of property, plant and equipment, net	`PaymentsForProceedsFromRemovalCosts`	$12.36M	USD	Annual
Disposal of property, plant and equipment, net	`PaymentsForProceedsFromRemovalCosts`	$49.09M	USD	Annual
Advances to affiliate, net	`IncreaseDecreaseInNotesReceivableRelatedPartiesCurrent`	$747.09M	USD	Annual
Advances to affiliate, net	`IncreaseDecreaseInNotesReceivableRelatedPartiesCurrent`	$-416.45M	USD	Annual
Advances to affiliate, net	`IncreaseDecreaseInNotesReceivableRelatedPartiesCurrent`	$-242.30M	USD	Annual
Return of capital from unconsolidated affiliates	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$2.02M	USD	Annual
Return of capital from unconsolidated affiliates	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$2.77M	USD	Annual
Return of capital from unconsolidated affiliates	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$3.93M	USD	Annual
Purchase of ARO Trust investments	`PaymentsToInvestInDecommissioningFund`	$64.09M	USD	Annual
Purchase of ARO Trust investments	`PaymentsToInvestInDecommissioningFund`	$57.10M	USD	Annual
Purchase of ARO Trust investments	`PaymentsToInvestInDecommissioningFund`	$70.90M	USD	Annual
Proceeds from sale of ARO Trust investments	`ProceedsFromDecommissioningFund`	$44.20M	USD	Annual
Proceeds from sale of ARO Trust investments	`ProceedsFromDecommissioningFund`	$31.43M	USD	Annual
Proceeds from sale of ARO Trust investments	`ProceedsFromDecommissioningFund`	$43.28M	USD	Annual
Proceeds from insurance	`ProceedsFromInsuranceSettlementInvestingActivities`	$2.12M	USD	Annual
Proceeds from insurance	`ProceedsFromInsuranceSettlementInvestingActivities`	$3.20M	USD	Annual
Proceeds from insurance	`ProceedsFromInsuranceSettlementInvestingActivities`	$35.13M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-1.56M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-802.40M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-937.11M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-1.78B	USD	Annual
Increase (decrease) in cash	`CashPeriodIncreaseDecrease`	-	USD	Annual
Increase (decrease) in cash	`CashPeriodIncreaseDecrease`	$-173.00K	USD	Annual
Increase (decrease) in cash	`CashPeriodIncreaseDecrease`	-	USD	Annual
Cash at beginning of period	`Cash`	-	USD	Point-in-time
Cash at beginning of period	`Cash`	-	USD	Point-in-time
Cash at beginning of period	`Cash`	-	USD	Point-in-time
Cash at beginning of period	`Cash`	$173.00K	USD	Point-in-time
Cash at end of period	`Cash`	-	USD	Point-in-time
Cash at end of period	`Cash`	-	USD	Point-in-time
Cash at end of period	`Cash`	-	USD	Point-in-time
Cash at end of period	`Cash`	$173.00K	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`	$1.20B	USD	Annual
Increase to property, plant and equipment, net of equity AFUDC	`PaymentsToAcquireOilAndGasPropertyAndEquipment`	$1.78B	USD	Annual
Changes in related accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-48.57M	USD	Annual
Changes in related accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-13.27M	USD	Annual
Changes in related accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$207.64M	USD	Annual
Property, plant and equipment additions, net of equity AFUDC	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.21B	USD	Annual
Property, plant and equipment additions, net of equity AFUDC	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.58B	USD	Annual
Property, plant and equipment additions, net of equity AFUDC	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.27B	USD	Annual
Interest (exclusive of amount capitalized)	`InterestPaidNet`	$136.44M	USD	Annual
Interest (exclusive of amount capitalized)	`InterestPaidNet`	$66.49M	USD	Annual
Interest (exclusive of amount capitalized)	`InterestPaidNet`	$103.39M	USD	Annual
Income taxes	`IncomeTaxesPaid`	$2.09M	USD	Annual
Income taxes	`IncomeTaxesPaid`	$1.16M	USD	Annual
Income taxes	`IncomeTaxesPaid`	$828.00K	USD	Annual

Stockholders Equity 18 line items

Line Item	Tag	Value	Unit	Period
Balance at beginning of period	`MembersEquity`	$6.14B	USD	Point-in-time
Balance at beginning of period	`MembersEquity`	$5.56B	USD	Point-in-time
Balance at beginning of period	`MembersEquity`	$5.94B	USD	Point-in-time
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$652.00M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$502.00M	USD	Annual
Cash contributions from parent	`ProceedsFromContributionsFromParent`	$410.00M	USD	Annual
Net income	`NetIncomeLoss`	$55.73M	USD	Annual
Net income	`NetIncomeLoss`	$523.38M	USD	Annual
Net income	`NetIncomeLoss`	$575.46M	USD	Annual
Cash distributions to parent	`PaymentsOfDistributionsToAffiliates`	$536.00M	USD	Annual
Cash distributions to parent	`PaymentsOfDistributionsToAffiliates`	$430.00M	USD	Annual
Cash distributions to parent	`PaymentsOfDistributionsToAffiliates`	$440.00M	USD	Annual
Equity interest in unrealized gain on interest rate hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$327.00K	USD	Annual
Equity interest in unrealized gain on interest rate hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$41.00K	USD	Annual
Equity interest in unrealized gain on interest rate hedge	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent`	$84.00K	USD	Annual
Balance at end of period	`MembersEquity`	$6.14B	USD	Point-in-time
Balance at end of period	`MembersEquity`	$5.56B	USD	Point-in-time
Balance at end of period	`MembersEquity`	$5.94B	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`	$167.00K	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`	$103.00K	USD	Annual

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