10-K Filing

BOARDWALK PIPELINE PARTNERS, LP CIK: 1336047 FY 2010

Filing Information

Form Type	10-K
Accession Number	`0001336047-11-000007`
Period End Date	20101231
Filing Date	20110218
Fiscal Year	2010
Fiscal Period	FY
XBRL Instance	bwp-20101231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 100 Income Statement 93 Cash Flow Statement 116 Stockholders Equity 23 Comprehensive Income 15

Balance Sheet 100 line items

Line Item	Tag	Value	Unit	Period
Common units	`LimitedPartnerCapitalAccountCommonUnitsOutstanding`	169.72M	shares	Point-in-time
Common units	`LimitedPartnerCapitalAccountCommonUnitsOutstanding`	169.72M	shares	Point-in-time
Class B units	`LimitedPartnerCapitalAccountClassBUnitsOutstanding`	22.87M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$45.80M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$137.70M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$317.30M	USD	Point-in-time
Class B units	`LimitedPartnerCapitalAccountClassBUnitsOutstanding`	22.87M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$55.00M	USD	Point-in-time
Trade, net	`ReceivablesNetCurrent`	$101.00M	USD	Point-in-time
Trade, net	`ReceivablesNetCurrent`	$95.50M	USD	Point-in-time
Other	`OtherReceivables`	$13.50M	USD	Point-in-time
Other	`OtherReceivables`	$5.20M	USD	Point-in-time
Gas transportation receivables	`GasImbalanceAssetLiability`	$12.20M	USD	Point-in-time
Gas transportation receivables	`GasImbalanceAssetLiability`	$7.90M	USD	Point-in-time
Costs recoverable from customers	`RegulatoryAssetsCurrent`	$11.30M	USD	Point-in-time
Costs recoverable from customers	`RegulatoryAssetsCurrent`	$6.00M	USD	Point-in-time
Gas stored underground	`EnergyRelatedInventoryGasStoredUnderground`	$2.10M	USD	Point-in-time
Gas stored underground	`EnergyRelatedInventoryGasStoredUnderground`	$3.60M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$10.10M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$11.40M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$3.50M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$10.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$203.20M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$190.90M	USD	Point-in-time
Natural gas transmission and other plant	`NaturalGasTransmissionAndOtherPlant`	$6.62B	USD	Point-in-time
Natural gas transmission and other plant	`NaturalGasTransmissionAndOtherPlant`	$6.93B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$109.90M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$231.40M	USD	Point-in-time
Property, plant and equipment, gross	`PropertyPlantAndEquipmentGross`	$7.04B	USD	Point-in-time
Property, plant and equipment, gross	`PropertyPlantAndEquipmentGross`	$6.86B	USD	Point-in-time
Less-accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$577.30M	USD	Point-in-time
Less-accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$785.80M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.26B	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`	$125.80M	USD	Point-in-time
Gas stored underground	`InventoryGasInStorageUndergroundNoncurrent`	$133.70M	USD	Point-in-time
Costs recoverable from customers	`RegulatoryAssetsNoncurrent`	$16.10M	USD	Point-in-time
Costs recoverable from customers	`RegulatoryAssetsNoncurrent`	$15.70M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$111.80M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$113.70M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$416.80M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$427.00M	USD	Point-in-time
Total Assets	`Assets`	$6.90B	USD	Point-in-time
Total Assets	`Assets`	$6.88B	USD	Point-in-time
Trade	`AccountsPayableCurrent`	$48.80M	USD	Point-in-time
Trade	`AccountsPayableCurrent`	$58.40M	USD	Point-in-time
Affiliates	`AccountsPayableRelatedPartiesCurrentAndNoncurrent`	$8.60M	USD	Point-in-time
Affiliates	`AccountsPayableRelatedPartiesCurrentAndNoncurrent`	$3.20M	USD	Point-in-time
Other	`AccountsPayableOtherCurrent`	$10.10M	USD	Point-in-time
Other	`AccountsPayableOtherCurrent`	$17.80M	USD	Point-in-time
Transportation	`Transportation`	$5.00M	USD	Point-in-time
Transportation	`Transportation`	$20.50M	USD	Point-in-time
Storage	`Storage`	$4.20M	USD	Point-in-time
Storage	`Storage`	-	USD	Point-in-time
Accrued taxes, other	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$41.20M	USD	Point-in-time
Accrued taxes, other	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$40.40M	USD	Point-in-time
Accrued interest	`InterestPayableCurrentAndNoncurrent`	$40.50M	USD	Point-in-time
Accrued interest	`InterestPayableCurrentAndNoncurrent`	$41.80M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$16.40M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$17.00M	USD	Point-in-time
Construction retainage	`ConstructionPayableCurrentAndNoncurrent`	$21.00M	USD	Point-in-time
Construction retainage	`ConstructionPayableCurrentAndNoncurrent`	$8.30M	USD	Point-in-time
Deferred income	`DeferredRevenue`	$6.30M	USD	Point-in-time
Deferred income	`DeferredRevenue`	$20.90M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$14.50M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$19.80M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$250.90M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$213.80M	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$3.15B	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$3.00B	USD	Point-in-time
Long-term debt - affiliate	`NotesPayableRelatedPartiesNoncurrent`	$100.00M	USD	Point-in-time
Long-term debt - affiliate	`NotesPayableRelatedPartiesNoncurrent`	$100.00M	USD	Point-in-time
Total long-term debt	`LongTermDebtNoncurrent`	$3.25B	USD	Point-in-time
Total long-term debt	`LongTermDebtNoncurrent`	$3.10B	USD	Point-in-time
Pension liability	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$31.60M	USD	Point-in-time
Pension liability	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$27.00M	USD	Point-in-time
Asset retirement obligation	`AssetRetirementObligationsNoncurrent`	$17.20M	USD	Point-in-time
Asset retirement obligation	`AssetRetirementObligationsNoncurrent`	$18.00M	USD	Point-in-time
Provision for other asset retirement	`ProvisionForOtherAssetRetirement`	$47.00M	USD	Point-in-time
Provision for other asset retirement	`ProvisionForOtherAssetRetirement`	$51.70M	USD	Point-in-time
Payable to affiliate	`DueToRelatedPartiesNoncurrent`	$20.60M	USD	Point-in-time
Payable to affiliate	`DueToRelatedPartiesNoncurrent`	$16.00M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$63.50M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$58.60M	USD	Point-in-time
Total other liabilities and deferred credits	`LiabilitiesNoncurrent`	$170.50M	USD	Point-in-time
Total other liabilities and deferred credits	`LiabilitiesNoncurrent`	$180.70M	USD	Point-in-time
Common units - 169.7 million units issued and outstanding as of December 31, 2010, and December 31, 2009	`LimitedPartnerCapitalAccountCommonUnits`	$2.64B	USD	Point-in-time
Common units - 169.7 million units issued and outstanding as of December 31, 2010, and December 31, 2009	`LimitedPartnerCapitalAccountCommonUnits`	$2.53B	USD	Point-in-time
Class B units - 22.9 million units issued and outstanding as of December 31, 2010, and December 31, 2009	`LimitedPartnerCapitalAccountClassBUnits`	$683.60M	USD	Point-in-time
Class B units - 22.9 million units issued and outstanding as of December 31, 2010, and December 31, 2009	`LimitedPartnerCapitalAccountClassBUnits`	$683.60M	USD	Point-in-time
General partner	`GeneralPartnersCapitalAccount`	$65.50M	USD	Point-in-time
General partner	`GeneralPartnersCapitalAccount`	$62.90M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-39.50M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-25.40M	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$3.24B	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$3.36B	USD	Point-in-time
Total Liabilities and Partners' Capital	`LiabilitiesAndPartnersCapital`	$6.88B	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`	$1.02B	USD	Annual
Gas transportation	`GasTransportationRevenues`	$794.90M	USD	Annual
Gas transportation	`GasTransportationRevenues`	$698.20M	USD	Annual
Parking and lending	`ParkingAndLendingRevenue`	$28.10M	USD	Annual
Parking and lending	`ParkingAndLendingRevenue`	$34.90M	USD	Annual
Parking and lending	`ParkingAndLendingRevenue`	$16.30M	USD	Annual
Gas storage	`NaturalGasStorageRevenue`	$51.50M	USD	Annual
Gas storage	`NaturalGasStorageRevenue`	$55.40M	USD	Annual
Gas storage	`NaturalGasStorageRevenue`	$57.60M	USD	Annual
Other	`OtherOperatingRevenue`	$17.90M	USD	Annual
Other	`OtherOperatingRevenue`	$18.80M	USD	Annual
Other	`OtherOperatingRevenue`	$21.80M	USD	Annual
Total operating revenues	`Revenues`	$784.80M	USD	Annual
Total operating revenues	`Revenues`	$909.20M	USD	Annual
Total operating revenues	`Revenues`	$1.12B	USD	Annual
Fuel and gas transportation	`FuelAndGasTransportationExpense`	$61.90M	USD	Annual
Fuel and gas transportation	`FuelAndGasTransportationExpense`	$102.40M	USD	Annual
Fuel and gas transportation	`FuelAndGasTransportationExpense`	$109.40M	USD	Annual
Operation and maintenance	`OperationAndMaintenanceExpenses`	$149.60M	USD	Annual
Operation and maintenance	`OperationAndMaintenanceExpenses`	$142.20M	USD	Annual
Operation and maintenance	`OperationAndMaintenanceExpenses`	$119.90M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$122.00M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$106.00M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$126.60M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$124.80M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$203.10M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$217.90M	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`	$5.80M	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	-	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$3.00M	USD	Annual
Net (gain) loss on disposal of operating assets	`GainLossOnDispositionOfOtherAssets`	$16.60M	USD	Annual
Net (gain) loss on disposal of operating assets	`GainLossOnDispositionOfOtherAssets`	$49.20M	USD	Annual
Net (gain) loss on disposal of operating assets	`GainLossOnDispositionOfOtherAssets`	$-8.20M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$77.30M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$42.50M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$84.20M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$676.90M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$438.20M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$614.70M	USD	Annual
Operating income	`OperatingIncomeLoss`	$294.50M	USD	Annual
Operating income	`OperatingIncomeLoss`	$439.90M	USD	Annual
Operating income	`OperatingIncomeLoss`	$346.60M	USD	Annual
Interest expense	`InterestExpense`	$57.70M	USD	Annual
Interest expense	`InterestExpense`	$142.90M	USD	Annual
Interest expense	`InterestExpense`	$125.30M	USD	Annual
Interest expense - affiliates	`RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty`	$8.10M	USD	Annual
Interest expense - affiliates	`RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty`	-	USD	Annual
Interest expense - affiliates	`RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty`	$6.80M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$600.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$2.90M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$200.00K	USD	Annual
Miscellaneous other income, net	`OtherNonoperatingIncomeExpense`	$400.00K	USD	Annual
Miscellaneous other income, net	`OtherNonoperatingIncomeExpense`	$3.20M	USD	Annual
Miscellaneous other income, net	`OtherNonoperatingIncomeExpense`	$400.00K	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-131.50M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-51.60M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-150.00M	USD	Annual
Income before income taxes	`IncomeBeforeIncomeTaxes`	$163.00M	USD	Annual
Income before income taxes	`IncomeBeforeIncomeTaxes`	$295.00M	USD	Annual
Income before income taxes	`IncomeBeforeIncomeTaxes`	$289.90M	USD	Annual
Income taxes (benefit)	`IncomeTaxExpenseBenefit`	$300.00K	USD	Annual
Income taxes (benefit)	`IncomeTaxExpenseBenefit`	$500.00K	USD	Annual
Income taxes (benefit)	`IncomeTaxExpenseBenefit`	$1.00M	USD	Annual
Net Income	`ProfitLoss`	$162.70M	USD	Annual
Net Income	`ProfitLoss`	$294.00M	USD	Annual
Net Income	`ProfitLoss`	$289.40M	USD	Annual
Common units (1)	`NetIncomePerLimitedPartnerCommonUnit`	$0.88	USD	Annual
Common units (1)	`NetIncomePerLimitedPartnerCommonUnit`	$1.47	USD	Annual
Common units (1)	`NetIncomePerLimitedPartnerCommonUnit`	$2.09	USD	Annual
Class B units	`NetIncomePerLimitedPartnerClassBUnit`	$0.60	USD	Annual
Class B units	`NetIncomePerLimitedPartnerClassBUnit`	$0.08	USD	Annual
Class B units	`NetIncomePerLimitedPartnerClassBUnit`	$0.62	USD	Annual
Subordinated units (1)	`NetIncomePerLimitedPartnerSubordinatedUnit`	$1.68	USD	Annual
Subordinated units (1)	`NetIncomePerLimitedPartnerSubordinatedUnit`	-	USD	Annual
Subordinated units (1)	`NetIncomePerLimitedPartnerSubordinatedUnit`	-	USD	Annual
Cash distribution to common units and subordinated unitholders (1)	`CashDistributionToLimitedPartnerCommonAndSubordinatedUnit`	$1.87	USD	Annual
Cash distribution to common units and subordinated unitholders (1)	`CashDistributionToLimitedPartnerCommonAndSubordinatedUnit`	$1.95	USD	Annual
Cash distribution to common units and subordinated unitholders (1)	`CashDistributionToLimitedPartnerCommonAndSubordinatedUnit`	$2.03	USD	Annual
Cash distribution to class B units	`CashDistributionToClassBUnits`	$1.20	USD	Annual
Cash distribution to class B units	`CashDistributionToClassBUnits`	$0.30	USD	Annual
Cash distribution to class B units	`CashDistributionToClassBUnits`	$1.20	USD	Annual
Common units (1)	`WeightedAverageLimitedPartnershipCommonUnitsOutstanding`	104.20M	shares	Annual
Common units (1)	`WeightedAverageLimitedPartnershipCommonUnitsOutstanding`	169.70M	shares	Annual
Common units (1)	`WeightedAverageLimitedPartnershipCommonUnitsOutstanding`	161.60M	shares	Annual
Class B units (2)	`WeightedAverageLimitedPartnershipClassBUnitsOutstanding`	22.90M	shares	Annual
Class B units (2)	`WeightedAverageLimitedPartnershipClassBUnitsOutstanding`	22.90M	shares	Annual
Class B units (2)	`WeightedAverageLimitedPartnershipClassBUnitsOutstanding`	22.90M	shares	Annual
Subordinated units (1)	`WeightedAverageLimtiedPartnershipSubordinatedUnitsOutstanding`	0.00	shares	Annual
Subordinated units (1)	`WeightedAverageLimtiedPartnershipSubordinatedUnitsOutstanding`	28.70M	shares	Annual
Subordinated units (1)	`WeightedAverageLimtiedPartnershipSubordinatedUnitsOutstanding`	0.00	shares	Annual

Cash Flow Statement 116 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$162.70M	USD	Annual
Net income	`ProfitLoss`	$294.00M	USD	Annual
Net income	`ProfitLoss`	$289.40M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$124.80M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$203.10M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$217.90M	USD	Annual
Amortization of deferred costs	`AmortizationOfDeferredCharges`	$8.10M	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`	-	USD	Annual
Amortization of acquired executory contracts	`AmortizationOfAcquisitionCosts`	-	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$5.80M	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	-	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$3.00M	USD	Annual
Net (gain) loss on disposal of operating assets	`GainLossOnDispositionOfOtherAssets`	$16.60M	USD	Annual
Net (gain) loss on disposal of operating assets	`GainLossOnDispositionOfOtherAssets`	$49.20M	USD	Annual
Net (gain) loss on disposal of operating assets	`GainLossOnDispositionOfOtherAssets`	$-8.20M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-16.60M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-23.40M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-9.70M	USD	Annual
Gas receivables and storage assets	`IncreaseDecreaseInGasImbalanceReceivable`	$26.20M	USD	Annual
Gas receivables and storage assets	`IncreaseDecreaseInGasImbalanceReceivable`	$-10.50M	USD	Annual
Gas receivables and storage assets	`IncreaseDecreaseInGasImbalanceReceivable`	$-5.00M	USD	Annual
Costs recoverable from customers	`IncreaseDecreaseInOtherRegulatoryAssets`	$900.00K	USD	Annual
Costs recoverable from customers	`IncreaseDecreaseInOtherRegulatoryAssets`	$-5.40M	USD	Annual
Costs recoverable from customers	`IncreaseDecreaseInOtherRegulatoryAssets`	$-1.60M	USD	Annual
Inventories	`IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories`	-	USD	Annual
Inventories	`IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories`	-	USD	Annual
Inventories	`IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories`	$-8.80M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-18.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$23.10M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-30.50M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$-27.40M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$9.50M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$25.90M	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableRelatedParties`	$700.00K	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableRelatedParties`	$700.00K	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableRelatedParties`	-	USD	Annual
Gas payables	`IncreaseDecreaseInGasImbalancePayable`	$-15.10M	USD	Annual
Gas payables	`IncreaseDecreaseInGasImbalancePayable`	$2.40M	USD	Annual
Gas payables	`IncreaseDecreaseInGasImbalancePayable`	$10.00M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$7.00M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$900.00K	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$4.30M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-3.70M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-21.60M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$31.80M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$400.50M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$350.30M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$464.70M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$2.65B	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$846.80M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$227.30M	USD	Annual
Proceeds from sale of operating assets	`ProceedsFromSaleOfProductiveAssets`	$30.90M	USD	Annual
Proceeds from sale of operating assets	`ProceedsFromSaleOfProductiveAssets`	-	USD	Annual
Proceeds from sale of operating assets	`ProceedsFromSaleOfProductiveAssets`	$63.80M	USD	Annual
Proceeds from insurance reimbursements and other recoveries	`ProceedsFromInsuranceSettlementInvestingActivities`	$4.70M	USD	Annual
Proceeds from insurance reimbursements and other recoveries	`ProceedsFromInsuranceSettlementInvestingActivities`	-	USD	Annual
Proceeds from insurance reimbursements and other recoveries	`ProceedsFromInsuranceSettlementInvestingActivities`	-	USD	Annual
Advances to affiliates, net	`Increasedecreaseduefromaffiliatesininvesting`	$1.60M	USD	Annual
Advances to affiliates, net	`Increasedecreaseduefromaffiliatesininvesting`	-	USD	Annual
Advances to affiliates, net	`Increasedecreaseduefromaffiliatesininvesting`	-	USD	Annual
Sales (purchases) of short-term investments	`PaymentsToAcquireShortTermInvestments`	-	USD	Annual
Sales (purchases) of short-term investments	`PaymentsToAcquireShortTermInvestments`	$175.00M	USD	Annual
Sales (purchases) of short-term investments	`PaymentsToAcquireShortTermInvestments`	$-175.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.76B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-671.80M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-196.40M	USD	Annual
Proceeds from long-term debt, net of issuance costs	`ProceedsFromIssuanceOfUnsecuredDebt`	$346.70M	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`	-	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
Proceeds from borrowings on revolving credit agreement	`ProceedsFromLongTermLinesOfCredit`	$175.00M	USD	Annual
Repayment of borrowings on revolving credit agreement	`RepaymentsOfLongTermLinesOfCredit`	$692.00M	USD	Annual
Repayment of borrowings on revolving credit agreement	`RepaymentsOfLongTermLinesOfCredit`	$25.00M	USD	Annual
Repayment of borrowings on revolving credit agreement	`RepaymentsOfLongTermLinesOfCredit`	$650.00M	USD	Annual
Payments on note payable	`RepaymentsOfNotesPayable`	$1.30M	USD	Annual
Payments on note payable	`RepaymentsOfNotesPayable`	$300.00K	USD	Annual
Payments on note payable	`RepaymentsOfNotesPayable`	-	USD	Annual
Proceeds from long-term debt - affiliate	`ProceedsFromRelatedPartyDebt`	$200.00M	USD	Annual
Proceeds from long-term debt - affiliate	`ProceedsFromRelatedPartyDebt`	-	USD	Annual
Proceeds from long-term debt - affiliate	`ProceedsFromRelatedPartyDebt`	-	USD	Annual
Repayment of long-term debt - affiliate	`RepaymentsOfRelatedPartyDebt`	$100.00M	USD	Annual
Repayment of long-term debt - affiliate	`RepaymentsOfRelatedPartyDebt`	-	USD	Annual
Repayment of long-term debt - affiliate	`RepaymentsOfRelatedPartyDebt`	-	USD	Annual
Payments associated with registration rights agreement	`PaymentsUnderRegistrationRightsAgreement`	-	USD	Annual
Payments associated with registration rights agreement	`PaymentsUnderRegistrationRightsAgreement`	$-10.70M	USD	Annual
Payments associated with registration rights agreement	`PaymentsUnderRegistrationRightsAgreement`	-	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$-398.10M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$-360.60M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$-260.50M	USD	Annual
Proceeds from sale of common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	-	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`	$686.00M	USD	Annual
Proceeds from sale of class B units	`ProceedsFromSaleOfClassBLimitedPartnerUnits`	-	USD	Annual
Proceeds from sale of class B units	`ProceedsFromSaleOfClassBLimitedPartnerUnits`	-	USD	Annual
Capital contribution from general partner	`ProceedsFromOtherEquity`	-	USD	Annual
Capital contribution from general partner	`ProceedsFromOtherEquity`	$29.20M	USD	Annual
Capital contribution from general partner	`ProceedsFromOtherEquity`	$6.80M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$179.40M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.23B	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-259.10M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-179.60M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-91.90M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$9.20M	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`	$137.70M	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`	$55.00M	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`	$137.70M	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`	$55.00M	USD	Point-in-time

Stockholders Equity 23 line items

Line Item	Tag	Value	Unit	Period
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.25B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.24B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.80B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.36B	USD	Point-in-time
Net income	`ProfitLoss`	$162.70M	USD	Annual
Net income	`ProfitLoss`	$294.00M	USD	Annual
Net income	`ProfitLoss`	$289.40M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$-398.10M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$-360.60M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$-260.50M	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`	$320.20M	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`	$29.20M	USD	Annual
Other comprehensive loss, net of tax	`ComprehensiveIncomeNetOfTax`	$-19.70M	USD	Annual
Other comprehensive loss, net of tax	`ComprehensiveIncomeNetOfTax`	$-9.90M	USD	Annual
Other comprehensive loss, net of tax	`ComprehensiveIncomeNetOfTax`	$-14.10M	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.25B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.24B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.80B	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`	$162.70M	USD	Annual
Net income	`ProfitLoss`	$294.00M	USD	Annual
Net income	`ProfitLoss`	$289.40M	USD	Annual
Gain (Loss) on cash flow hedges	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease`	$10.50M	USD	Annual
Gain (Loss) on cash flow hedges	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease`	$-16.70M	USD	Annual
Gain (Loss) on cash flow hedges	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease`	$6.00M	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`	$-24.90M	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax`	$13.00M	USD	Annual
Pension and other postretirement benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease`	$-7.10M	USD	Annual
Pension and other postretirement benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease`	$-3.90M	USD	Annual
Pension and other postretirement benefit costs	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease`	$-27.90M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$274.30M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$152.80M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$275.30M	USD	Annual

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