10-K Filing

BOARDWALK PIPELINE PARTNERS, LP CIK: 1336047 FY 2009

Filing Information

Form Type	10-K
Accession Number	`0001336047-10-000009`
Period End Date	20091231
Filing Date	20100216
Fiscal Year	2009
Fiscal Period	FY
XBRL Instance	bwp-20091231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 102 Income Statement 93 Cash Flow Statement 113 Stockholders Equity 25 Comprehensive Income 15

Balance Sheet 102 line items

Line Item	Tag	Value	Unit	Period
Common units	`LimitedPartnerCapitalAccountCommonUnitsOutstanding`	169.72M	shares	Point-in-time
Common units	`LimitedPartnerCapitalAccountCommonUnitsOutstanding`	154.93M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$45.80M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$317.30M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$399.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$137.70M	USD	Point-in-time
Class B units	`LimitedPartnerCapitalAccountClassBUnitsOutstanding`	22.87M	shares	Point-in-time
Class B units	`LimitedPartnerCapitalAccountClassBUnitsOutstanding`	22.87M	shares	Point-in-time
Short-term investments	`ShortTermInvestments`	-	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$175.00M	USD	Point-in-time
Trade, net	`ReceivablesNetCurrent`	$67.30M	USD	Point-in-time
Trade, net	`ReceivablesNetCurrent`	$95.50M	USD	Point-in-time
Other	`OtherReceivables`	$13.50M	USD	Point-in-time
Other	`OtherReceivables`	$18.00M	USD	Point-in-time
Gas transportation receivables	`GasImbalanceAssetLiability`	$7.90M	USD	Point-in-time
Gas transportation receivables	`GasImbalanceAssetLiability`	$13.50M	USD	Point-in-time
Costs recoverable from customers	`RegulatoryAssetsCurrent`	$6.00M	USD	Point-in-time
Costs recoverable from customers	`RegulatoryAssetsCurrent`	$5.40M	USD	Point-in-time
Gas stored underground	`EnergyRelatedInventoryGasStoredUnderground`	$200.00K	USD	Point-in-time
Gas stored underground	`EnergyRelatedInventoryGasStoredUnderground`	$2.10M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$17.30M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$10.10M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$10.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$17.40M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$190.90M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$451.80M	USD	Point-in-time
Natural gas transmission plant	`NaturalGasTransmissionPlant`	$3.87B	USD	Point-in-time
Natural gas transmission plant	`NaturalGasTransmissionPlant`	$6.41B	USD	Point-in-time
Other natural gas plant	`OtherNaturalGasPlant`	$215.20M	USD	Point-in-time
Other natural gas plant	`OtherNaturalGasPlant`	$217.10M	USD	Point-in-time
Construction work-in-progress	`ConstructionInProgressGross`	$2.20B	USD	Point-in-time
Construction work-in-progress	`ConstructionInProgressGross`	$231.40M	USD	Point-in-time
Property, plant and equipment, gross	`PropertyPlantAndEquipmentGross`	$6.86B	USD	Point-in-time
Property, plant and equipment, gross	`PropertyPlantAndEquipmentGross`	$6.28B	USD	Point-in-time
Lessaccumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$382.40M	USD	Point-in-time
Lessaccumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$577.30M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$5.90B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.28B	USD	Point-in-time
Goodwill	`Goodwill`	$163.50M	USD	Point-in-time
Goodwill	`Goodwill`	$163.50M	USD	Point-in-time
Gas stored underground	`InventoryGasInStorageUndergroundNoncurrent`	$133.70M	USD	Point-in-time
Gas stored underground	`InventoryGasInStorageUndergroundNoncurrent`	$124.80M	USD	Point-in-time
Costs recoverable from customers	`RegulatoryAssetsNoncurrent`	$16.10M	USD	Point-in-time
Costs recoverable from customers	`RegulatoryAssetsNoncurrent`	$15.40M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$113.70M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$65.90M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$427.00M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$369.60M	USD	Point-in-time
Total Assets	`Assets`	$6.72B	USD	Point-in-time
Total Assets	`Assets`	$6.90B	USD	Point-in-time
Trade	`AccountsPayableCurrent`	$216.40M	USD	Point-in-time
Trade	`AccountsPayableCurrent`	$58.40M	USD	Point-in-time
Affiliates	`AccountsPayableRelatedPartiesCurrentAndNoncurrent`	$1.80M	USD	Point-in-time
Affiliates	`AccountsPayableRelatedPartiesCurrentAndNoncurrent`	$8.60M	USD	Point-in-time
Other	`AccountsPayableOtherCurrent`	$17.80M	USD	Point-in-time
Other	`AccountsPayableOtherCurrent`	$7.40M	USD	Point-in-time
Gas transportation payables	`TransportationAndExchange`	$11.60M	USD	Point-in-time
Gas transportation payables	`TransportationAndExchange`	$5.00M	USD	Point-in-time
Accrued taxes, other	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$35.20M	USD	Point-in-time
Accrued taxes, other	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$41.20M	USD	Point-in-time
Accrued interest	`InterestPayableCurrentAndNoncurrent`	$41.80M	USD	Point-in-time
Accrued interest	`InterestPayableCurrentAndNoncurrent`	$40.10M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$16.30M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$16.40M	USD	Point-in-time
Construction retainage	`ConstructionPayableCurrentAndNoncurrent`	$21.00M	USD	Point-in-time
Construction retainage	`ConstructionPayableCurrentAndNoncurrent`	$76.30M	USD	Point-in-time
Deferred income	`DeferredRevenue`	$20.90M	USD	Point-in-time
Deferred income	`DeferredRevenue`	$1.80M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$19.80M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$27.10M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$434.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$250.90M	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$3.00B	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$2.89B	USD	Point-in-time
Long -term debt - affiliate	`NotesPayableRelatedPartiesNoncurrent`	$100.00M	USD	Point-in-time
Long -term debt - affiliate	`NotesPayableRelatedPartiesNoncurrent`	-	USD	Point-in-time
Total long-term debt	`LongTermDebtNoncurrent`	$3.10B	USD	Point-in-time
Total long-term debt	`LongTermDebtNoncurrent`	$2.89B	USD	Point-in-time
Pension liability	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$31.60M	USD	Point-in-time
Pension liability	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$35.70M	USD	Point-in-time
Asset retirement obligation	`AssetRetirementObligationsNoncurrent`	$18.00M	USD	Point-in-time
Asset retirement obligation	`AssetRetirementObligationsNoncurrent`	$18.00M	USD	Point-in-time
Provision for other asset retirement	`ProvisionForOtherAssetRetirement`	$45.60M	USD	Point-in-time
Provision for other asset retirement	`ProvisionForOtherAssetRetirement`	$47.00M	USD	Point-in-time
Payable to affiliate	`DueToRelatedPartiesNoncurrent`	$20.60M	USD	Point-in-time
Payable to affiliate	`DueToRelatedPartiesNoncurrent`	$20.60M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$63.50M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$33.30M	USD	Point-in-time
Total other liabilities and deferred credits	`LiabilitiesNoncurrent`	$153.20M	USD	Point-in-time
Total other liabilities and deferred credits	`LiabilitiesNoncurrent`	$180.70M	USD	Point-in-time
Common units 169.7 and 154.9 million units issued and outstanding as of December 31, 2009 and 2008	`LimitedPartnerCapitalAccountCommonUnits`	$2.64B	USD	Point-in-time
Common units 169.7 and 154.9 million units issued and outstanding as of December 31, 2009 and 2008	`LimitedPartnerCapitalAccountCommonUnits`	$2.50B	USD	Point-in-time
Class B units 22.9 million units issued and outstanding as of December 31, 2009 and 2008	`LimitedPartnerCapitalAccountClassBUnits`	$692.80M	USD	Point-in-time
Class B units 22.9 million units issued and outstanding as of December 31, 2009 and 2008	`LimitedPartnerCapitalAccountClassBUnits`	$683.60M	USD	Point-in-time
General partner	`GeneralPartnersCapitalAccount`	$62.90M	USD	Point-in-time
General partner	`GeneralPartnersCapitalAccount`	$65.50M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-25.40M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-15.50M	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$3.25B	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$3.36B	USD	Point-in-time
Total Liabilities and Partners' Capital	`LiabilitiesAndPartnersCapital`	$6.72B	USD	Point-in-time
Total Liabilities and Partners' Capital	`LiabilitiesAndPartnersCapital`	$6.90B	USD	Point-in-time

Income Statement 93 line items

Line Item	Tag	Value	Unit	Period
Gas transportation	`GasTransportationRevenues`	$698.20M	USD	Annual
Gas transportation	`GasTransportationRevenues`	$529.70M	USD	Annual
Gas transportation	`GasTransportationRevenues`	$794.90M	USD	Annual
Parking and lending	`ParkingAndLendingRevenue`	$42.80M	USD	Annual
Parking and lending	`ParkingAndLendingRevenue`	$34.90M	USD	Annual
Parking and lending	`ParkingAndLendingRevenue`	$16.30M	USD	Annual
Gas storage	`NaturalGasStorageRevenue`	$39.40M	USD	Annual
Gas storage	`NaturalGasStorageRevenue`	$57.60M	USD	Annual
Gas storage	`NaturalGasStorageRevenue`	$51.50M	USD	Annual
Other	`OtherOperatingRevenue`	$21.80M	USD	Annual
Other	`OtherOperatingRevenue`	$18.80M	USD	Annual
Other	`OtherOperatingRevenue`	$31.30M	USD	Annual
Total operating revenues	`Revenues`	$909.20M	USD	Annual
Total operating revenues	`Revenues`	$643.20M	USD	Annual
Total operating revenues	`Revenues`	$784.80M	USD	Annual
Fuel and gas transportation	`FuelAndGasTransportationExpense`	$46.40M	USD	Annual
Fuel and gas transportation	`FuelAndGasTransportationExpense`	$61.90M	USD	Annual
Fuel and gas transportation	`FuelAndGasTransportationExpense`	$102.40M	USD	Annual
Operation and maintenance	`OperationAndMaintenanceExpenses`	$127.40M	USD	Annual
Operation and maintenance	`OperationAndMaintenanceExpenses`	$142.20M	USD	Annual
Operation and maintenance	`OperationAndMaintenanceExpenses`	$119.90M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$97.00M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$106.00M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$122.00M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$124.80M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$203.10M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$81.80M	USD	Annual
Contract settlement gain	`GainLossOnContractTermination`	-	USD	Annual
Contract settlement gain	`GainLossOnContractTermination`	-	USD	Annual
Contract settlement gain	`GainLossOnContractTermination`	$11.20M	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$19.20M	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$3.00M	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	-	USD	Annual
Net loss (gain) on disposal of operating assets and related contracts	`GainLossOnDispositionOfOtherAssets`	$49.20M	USD	Annual
Net loss (gain) on disposal of operating assets and related contracts	`GainLossOnDispositionOfOtherAssets`	$23.80M	USD	Annual
Net loss (gain) on disposal of operating assets and related contracts	`GainLossOnDispositionOfOtherAssets`	$-8.20M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$29.20M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$42.50M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$77.30M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$377.20M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$614.70M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$438.20M	USD	Annual
Operating income	`OperatingIncomeLoss`	$266.00M	USD	Annual
Operating income	`OperatingIncomeLoss`	$346.60M	USD	Annual
Operating income	`OperatingIncomeLoss`	$294.50M	USD	Annual
Interest expense	`InterestExpense`	$-125.30M	USD	Annual
Interest expense	`InterestExpense`	$-61.00M	USD	Annual
Interest expense	`InterestExpense`	$-57.70M	USD	Annual
Interest expense - affiliates, net	`RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty`	-	USD	Annual
Interest expense - affiliates, net	`RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty`	-	USD	Annual
Interest expense - affiliates, net	`RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty`	$-6.80M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$-200.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$-21.50M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$-2.90M	USD	Annual
Miscellaneous other income, net	`OtherNonoperatingIncomeExpense`	$-3.20M	USD	Annual
Miscellaneous other income, net	`OtherNonoperatingIncomeExpense`	$-400.00K	USD	Annual
Miscellaneous other income, net	`OtherNonoperatingIncomeExpense`	$-2.00M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-131.50M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-51.60M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-37.50M	USD	Annual
Income before income taxes	`IncomeBeforeIncomeTaxes`	$228.50M	USD	Annual
Income before income taxes	`IncomeBeforeIncomeTaxes`	$295.00M	USD	Annual
Income before income taxes	`IncomeBeforeIncomeTaxes`	$163.00M	USD	Annual
Income taxes expense	`IncomeTaxExpenseBenefit`	$300.00K	USD	Annual
Income taxes expense	`IncomeTaxExpenseBenefit`	$800.00K	USD	Annual
Income taxes expense	`IncomeTaxExpenseBenefit`	$1.00M	USD	Annual
Net Income	`ProfitLoss`	$227.70M	USD	Annual
Net Income	`ProfitLoss`	$294.00M	USD	Annual
Net Income	`ProfitLoss`	$162.70M	USD	Annual
Common units (1)	`NetIncomePerLimitedPartnerCommonUnit`	$1.91	USD	Annual
Common units (1)	`NetIncomePerLimitedPartnerCommonUnit`	$0.88	USD	Annual
Common units (1)	`NetIncomePerLimitedPartnerCommonUnit`	$2.09	USD	Annual
Class B units	`NetIncomePerLimitedPartnerClassBUnit`	$0.60	USD	Annual
Class B units	`NetIncomePerLimitedPartnerClassBUnit`	-	USD	Annual
Class B units	`NetIncomePerLimitedPartnerClassBUnit`	$0.08	USD	Annual
Subordinated units (1)	`NetIncomePerLimitedPartnerSubordinatedUnit`	-	USD	Annual
Subordinated units (1)	`NetIncomePerLimitedPartnerSubordinatedUnit`	$1.86	USD	Annual
Subordinated units (1)	`NetIncomePerLimitedPartnerSubordinatedUnit`	$1.68	USD	Annual
Cash distribution to common and subordinated unitholders (1)	`CashDistributionToLimitedPartnerCommonAndSubordinatedUnit`	$1.95	USD	Annual
Cash distribution to common and subordinated unitholders (1)	`CashDistributionToLimitedPartnerCommonAndSubordinatedUnit`	$1.87	USD	Annual
Cash distribution to common and subordinated unitholders (1)	`CashDistributionToLimitedPartnerCommonAndSubordinatedUnit`	$1.74	USD	Annual
Cash distribution to class B units	`CashDistributionToClassBUnits`	$0.30	USD	Annual
Cash distribution to class B units	`CashDistributionToClassBUnits`	-	USD	Annual
Cash distribution to class B units	`CashDistributionToClassBUnits`	$1.20	USD	Annual
Common units (1)	`WeightedAverageLimitedPartnershipCommonUnitsOutstanding`	161.60M	shares	Annual
Common units (1)	`WeightedAverageLimitedPartnershipCommonUnitsOutstanding`	104.20M	shares	Annual
Common units (1)	`WeightedAverageLimitedPartnershipCommonUnitsOutstanding`	82.50M	shares	Annual
Class B units (2)	`WeightedAverageLimitedPartnershipClassBUnitsOutstanding`	0.00	shares	Annual
Class B units (2)	`WeightedAverageLimitedPartnershipClassBUnitsOutstanding`	22.90M	shares	Annual
Class B units (2)	`WeightedAverageLimitedPartnershipClassBUnitsOutstanding`	22.90M	shares	Annual
Subordinated units (1)	`WeightedAverageLimitedPartnershipSubordinatedUnitsOutstanding`	0.00	shares	Annual
Subordinated units (1)	`WeightedAverageLimitedPartnershipSubordinatedUnitsOutstanding`	28.70M	shares	Annual
Subordinated units (1)	`WeightedAverageLimitedPartnershipSubordinatedUnitsOutstanding`	33.10M	shares	Annual

Cash Flow Statement 113 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$227.70M	USD	Annual
Net income	`ProfitLoss`	$294.00M	USD	Annual
Net income	`ProfitLoss`	$162.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$124.80M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$203.10M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$81.80M	USD	Annual
Amortization of deferred costs	`AmortizationOfDeferredCharges`	$8.30M	USD	Annual
Amortization of deferred costs	`AmortizationOfDeferredCharges`	$9.40M	USD	Annual
Amortization of deferred costs	`AmortizationOfDeferredCharges`	$9.00M	USD	Annual
Amortization of acquired executory contracts	`AmortizationOfAcquisitionCosts`	$-200.00K	USD	Annual
Amortization of acquired executory contracts	`AmortizationOfAcquisitionCosts`	$-1.10M	USD	Annual
Amortization of acquired executory contracts	`AmortizationOfAcquisitionCosts`	-	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$19.20M	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$3.00M	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	-	USD	Annual
Net loss (gain) on disposal of operating assets and related contracts	`GainLossOnDispositionOfOtherAssets`	$49.20M	USD	Annual
Net loss (gain) on disposal of operating assets and related contracts	`GainLossOnDispositionOfOtherAssets`	$23.80M	USD	Annual
Net loss (gain) on disposal of operating assets and related contracts	`GainLossOnDispositionOfOtherAssets`	$-8.20M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-23.40M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-16.60M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-4.10M	USD	Annual
Gas receivables and storage assets	`IncreaseDecreaseInGasImbalanceReceivable`	$-1.40M	USD	Annual
Gas receivables and storage assets	`IncreaseDecreaseInGasImbalanceReceivable`	$26.20M	USD	Annual
Gas receivables and storage assets	`IncreaseDecreaseInGasImbalanceReceivable`	$-5.00M	USD	Annual
Costs recoverable from customers	`IncreaseDecreaseInOtherRegulatoryAssets`	$-1.60M	USD	Annual
Costs recoverable from customers	`IncreaseDecreaseInOtherRegulatoryAssets`	$3.60M	USD	Annual
Costs recoverable from customers	`IncreaseDecreaseInOtherRegulatoryAssets`	$900.00K	USD	Annual
Inventories	`IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories`	$-8.80M	USD	Annual
Inventories	`IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories`	-	USD	Annual
Inventories	`IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories`	$-2.50M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-13.30M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-18.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-30.50M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$-15.90M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$25.90M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$9.50M	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableRelatedParties`	-	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableRelatedParties`	-	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableRelatedParties`	$700.00K	USD	Annual
Gas payables	`IncreaseDecreaseInGasImbalancePayable`	$2.40M	USD	Annual
Gas payables	`IncreaseDecreaseInGasImbalancePayable`	$-15.10M	USD	Annual
Gas payables	`IncreaseDecreaseInGasImbalancePayable`	$-11.10M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$7.00M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$4.30M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$12.90M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-3.70M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$1.40M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$31.80M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$350.30M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$281.70M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$400.50M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$-2.65B	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$-846.80M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$-1.21B	USD	Annual
Proceeds from sale of operating assets, net	`ProceedsFromSaleOfProductiveAssets`	$28.70M	USD	Annual
Proceeds from sale of operating assets, net	`ProceedsFromSaleOfProductiveAssets`	-	USD	Annual
Proceeds from sale of operating assets, net	`ProceedsFromSaleOfProductiveAssets`	$63.80M	USD	Annual
Proceeds from insurance reimbursements and other recoveries	`ProceedsFromInsuranceSettlementInvestingActivities`	-	USD	Annual
Proceeds from insurance reimbursements and other recoveries	`ProceedsFromInsuranceSettlementInvestingActivities`	$4.70M	USD	Annual
Proceeds from insurance reimbursements and other recoveries	`ProceedsFromInsuranceSettlementInvestingActivities`	$1.70M	USD	Annual
Advances to affiliates, net	`IncreaseDecreaseDueFromAffiliates`	$-1.60M	USD	Annual
Advances to affiliates, net	`IncreaseDecreaseDueFromAffiliates`	$900.00K	USD	Annual
Advances to affiliates, net	`IncreaseDecreaseDueFromAffiliates`	-	USD	Annual
Sales (purchases) of short-term investments	`PaymentsToAcquireShortTermInvestments`	$-175.00M	USD	Annual
Sales (purchases) of short-term investments	`PaymentsToAcquireShortTermInvestments`	$175.00M	USD	Annual
Sales (purchases) of short-term investments	`PaymentsToAcquireShortTermInvestments`	-	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.76B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.18B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-671.80M	USD	Annual
Proceeds from long-term debt, net of issuance costs	`ProceedsFromIssuanceOfUnsecuredDebt`	$495.30M	USD	Annual
Proceeds from long-term debt, net of issuance costs	`ProceedsFromIssuanceOfUnsecuredDebt`	$247.20M	USD	Annual
Proceeds from long-term debt, net of issuance costs	`ProceedsFromIssuanceOfUnsecuredDebt`	$346.70M	USD	Annual
Proceeds from borrowings on revolving credit agreement	`ProceedsFromLongTermLinesOfCredit`	-	USD	Annual
Proceeds from borrowings on revolving credit agreement	`ProceedsFromLongTermLinesOfCredit`	$411.50M	USD	Annual
Proceeds from borrowings on revolving credit agreement	`ProceedsFromLongTermLinesOfCredit`	$1.48B	USD	Annual
Repayment of borrowings on revolving credit agreement	`RepaymentsOfLongTermLinesOfCredit`	$692.00M	USD	Annual
Repayment of borrowings on revolving credit agreement	`RepaymentsOfLongTermLinesOfCredit`	-	USD	Annual
Repayment of borrowings on revolving credit agreement	`RepaymentsOfLongTermLinesOfCredit`	$650.00M	USD	Annual
Payments on note payable	`RepaymentsOfNotesPayable`	-	USD	Annual
Payments on note payable	`RepaymentsOfNotesPayable`	-	USD	Annual
Payments on note payable	`RepaymentsOfNotesPayable`	$-1.30M	USD	Annual
Proceeds from long-term debt - affiliate	`ProceedsFromRelatedPartyDebt`	-	USD	Annual
Proceeds from long-term debt - affiliate	`ProceedsFromRelatedPartyDebt`	-	USD	Annual
Proceeds from long-term debt - affiliate	`ProceedsFromRelatedPartyDebt`	$200.00M	USD	Annual
Repayment of long-term debt - affiliate	`RepaymentsOfRelatedPartyDebt`	-	USD	Annual
Repayment of long-term debt - affiliate	`RepaymentsOfRelatedPartyDebt`	-	USD	Annual
Repayment of long-term debt - affiliate	`RepaymentsOfRelatedPartyDebt`	$100.00M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$-260.50M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$-205.00M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$-360.60M	USD	Annual
Proceeds from sale of common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	$515.90M	USD	Annual
Proceeds from sale of common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	$326.30M	USD	Annual
Proceeds from sale of common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	$733.60M	USD	Annual
Proceeds from sale of class B units	`ProceedsFromSaleOfClassBLimitedPartnerUnits`	-	USD	Annual
Proceeds from sale of class B units	`ProceedsFromSaleOfClassBLimitedPartnerUnits`	-	USD	Annual
Proceeds from sale of class B units	`ProceedsFromSaleOfClassBLimitedPartnerUnits`	$686.00M	USD	Annual
Capital contribution from general partner	`ProceedsFromOtherEquity`	$29.20M	USD	Annual
Capital contribution from general partner	`ProceedsFromOtherEquity`	$6.80M	USD	Annual
Capital contribution from general partner	`ProceedsFromOtherEquity`	$10.70M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$179.40M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$816.90M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.23B	USD	Annual
Decrease in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-91.90M	USD	Annual
Decrease in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-179.60M	USD	Annual
Decrease in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-81.70M	USD	Annual
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$45.80M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$317.30M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$399.00M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$137.70M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$45.80M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$317.30M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$399.00M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$137.70M	USD	Point-in-time

Stockholders Equity 25 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.80B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.27B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.25B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.36B	USD	Point-in-time
Net income	`ProfitLoss`	$227.70M	USD	Annual
Net income	`ProfitLoss`	$294.00M	USD	Annual
Net income	`ProfitLoss`	$162.70M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$-260.50M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$-205.00M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$-360.60M	USD	Annual
Sale of common units, net of related transaction costs	`PartnersCapitalAccountSaleOfUnits`	$320.20M	USD	Annual
Sale of common units, net of related transaction costs	`PartnersCapitalAccountSaleOfUnits`	$713.00M	USD	Annual
Sale of common units, net of related transaction costs	`PartnersCapitalAccountSaleOfUnits`	$515.90M	USD	Annual
Sale of class B units	`SaleOfClassBUnits`	$686.00M	USD	Annual
Conversion of subordinated units to common units	`PartnersCapitalAccountUnitsConverted`	0.00	shares	Annual
Capital contribution from general partner	`CapitalContributionFromGeneralPartner`	$6.80M	USD	Annual
Capital contribution from general partner	`CapitalContributionFromGeneralPartner`	$10.70M	USD	Annual
Capital contribution from general partner	`CapitalContributionFromGeneralPartner`	$29.20M	USD	Annual
Other comprehensive loss, net of tax	`ComprehensiveIncomeNetOfTax`	$-18.80M	USD	Annual
Other comprehensive loss, net of tax	`ComprehensiveIncomeNetOfTax`	$-9.90M	USD	Annual
Other comprehensive loss, net of tax	`ComprehensiveIncomeNetOfTax`	$-19.70M	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.80B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.27B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.25B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.36B	USD	Point-in-time

Comprehensive Income 15 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$227.70M	USD	Annual
Net income	`ProfitLoss`	$294.00M	USD	Annual
Net income	`ProfitLoss`	$162.70M	USD	Annual
Gain (loss) on cash flow hedges	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease`	$-16.70M	USD	Annual
Gain (loss) on cash flow hedges	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease`	$-9.80M	USD	Annual
Gain (loss) on cash flow hedges	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease`	$10.50M	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax`	$16.50M	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax`	$7.30M	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax`	$-24.90M	USD	Annual
Pension and other postretirement benefits costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease`	$-27.90M	USD	Annual
Pension and other postretirement benefits costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease`	$-1.70M	USD	Annual
Pension and other postretirement benefits costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease`	$-3.90M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$152.80M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$208.90M	USD	Annual
Total comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$274.30M	USD	Annual

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