10-K Filing

BOARDWALK PIPELINE PARTNERS, LP CIK: 1336047 FY 2016

Filing Information

Form Type	10-K
Accession Number	`0001336047-17-000022`
Period End Date	20161231
Filing Date	20170215
Fiscal Year	2016
Fiscal Period	FY
XBRL Instance	bwp-20161231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 96 Income Statement 137 Cash Flow Statement 122 Stockholders Equity 21 Comprehensive Income 21

Balance Sheet 96 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.10M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$6.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$4.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$28.50M	USD	Point-in-time
Common Units Issued	`LimitedPartnersCapitalAccountUnitsIssued`	250.30M	shares	Point-in-time
Common Units Issued	`LimitedPartnersCapitalAccountUnitsIssued`	250.30M	shares	Point-in-time
Common Units Outstanding	`LimitedPartnersCapitalAccountUnitsOutstanding`	250.30M	shares	Point-in-time
Common Units Outstanding	`LimitedPartnersCapitalAccountUnitsOutstanding`	250.30M	shares	Point-in-time
Trade, net	`AccountsReceivableNetCurrent`	$117.20M	USD	Point-in-time
Trade, net	`AccountsReceivableNetCurrent`	$127.10M	USD	Point-in-time
Other	`OtherReceivables`	$12.30M	USD	Point-in-time
Other	`OtherReceivables`	$12.70M	USD	Point-in-time
Gas transportation receivables	`GasImbalanceAssetLiability`	$8.20M	USD	Point-in-time
Gas transportation receivables	`GasImbalanceAssetLiability`	$5.60M	USD	Point-in-time
Gas and liquids stored underground	`EnergyRelatedInventoryGasStoredUnderground`	$1.30M	USD	Point-in-time
Gas and liquids stored underground	`EnergyRelatedInventoryGasStoredUnderground`	$10.70M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$17.70M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$16.90M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$4.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$2.60M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$174.20M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$169.80M	USD	Point-in-time
Natural gas transmission and other plant	`PropertyPlantAndEquipmentOther`	$9.96B	USD	Point-in-time
Natural gas transmission and other plant	`PropertyPlantAndEquipmentOther`	$9.50B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$368.50M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$201.90M	USD	Point-in-time
Property, plant and equipment, gross	`PropertyPlantAndEquipmentGross`	$10.33B	USD	Point-in-time
Property, plant and equipment, gross	`PropertyPlantAndEquipmentGross`	$9.71B	USD	Point-in-time
Lessaccumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$2.05B	USD	Point-in-time
Lessaccumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$2.33B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$7.65B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$7.99B	USD	Point-in-time
Goodwill	`Goodwill`	$237.40M	USD	Point-in-time
Goodwill	`Goodwill`	$237.40M	USD	Point-in-time
Gas stored underground	`InventoryGasInStorageUndergroundNoncurrent`	$93.50M	USD	Point-in-time
Gas stored underground	`InventoryGasInStorageUndergroundNoncurrent`	$97.60M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$139.20M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$141.10M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$470.10M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$476.10M	USD	Point-in-time
Total Assets	`Assets`	$8.30B	USD	Point-in-time
Total Assets	`Assets`	$8.64B	USD	Point-in-time
Trade, net	`AccountsPayableTradeCurrent`	$99.10M	USD	Point-in-time
Trade, net	`AccountsPayableTradeCurrent`	$113.80M	USD	Point-in-time
Affiliates	`AccountsPayableRelatedPartiesCurrent`	$1.40M	USD	Point-in-time
Affiliates	`AccountsPayableRelatedPartiesCurrent`	$1.30M	USD	Point-in-time
Other	`AccountsPayableOtherCurrent`	$19.50M	USD	Point-in-time
Other	`AccountsPayableOtherCurrent`	$23.70M	USD	Point-in-time
Gas payables	`GasImbalancePayableCurrent`	$6.70M	USD	Point-in-time
Gas payables	`GasImbalancePayableCurrent`	$4.70M	USD	Point-in-time
Accrued taxes, other	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$47.30M	USD	Point-in-time
Accrued taxes, other	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$52.70M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$39.70M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$40.60M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$38.50M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$33.20M	USD	Point-in-time
Construction retainage	`ConstructionPayableCurrentAndNoncurrent`	$19.60M	USD	Point-in-time
Construction retainage	`ConstructionPayableCurrentAndNoncurrent`	$10.70M	USD	Point-in-time
Deferred income	`DeferredRevenueCurrent`	$7.50M	USD	Point-in-time
Deferred income	`DeferredRevenueCurrent`	$6.90M	USD	Point-in-time
Customer rate refunds	`CustomerRefundLiabilityCurrent`	-	USD	Point-in-time
Customer rate refunds	`CustomerRefundLiabilityCurrent`	$16.30M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$35.70M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$28.40M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$332.90M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$314.40M	USD	Point-in-time
Longterm debt and capital lease obligation	`LongTermDebtAndCapitalLeaseObligations`	$3.56B	USD	Point-in-time
Longterm debt and capital lease obligation	`LongTermDebtAndCapitalLeaseObligations`	$3.46B	USD	Point-in-time
Pension liability	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$24.30M	USD	Point-in-time
Pension liability	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$22.00M	USD	Point-in-time
Asset retirement obligation	`AssetRetirementObligationsNoncurrent`	$44.70M	USD	Point-in-time
Asset retirement obligation	`AssetRetirementObligationsNoncurrent`	$38.10M	USD	Point-in-time
Provision for other asset retirement	`ProvisionForOtherAssetRetirement`	$57.20M	USD	Point-in-time
Provision for other asset retirement	`ProvisionForOtherAssetRetirement`	$63.70M	USD	Point-in-time
Payable to affiliate	`DueToRelatedPartiesNoncurrent`	$16.00M	USD	Point-in-time
Payable to affiliate	`DueToRelatedPartiesNoncurrent`	$16.00M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$64.30M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$69.60M	USD	Point-in-time
Total other liabilities and deferred credits	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$199.90M	USD	Point-in-time
Total other liabilities and deferred credits	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$216.00M	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common units 250.3 million units issued and outstanding as of December 31, 2016 and 2015	`LimitedPartnersCapitalAccount`	$4.52B	USD	Point-in-time
Common units 250.3 million units issued and outstanding as of December 31, 2016 and 2015	`LimitedPartnersCapitalAccount`	$4.33B	USD	Point-in-time
General partner	`GeneralPartnersCapitalAccount`	$88.80M	USD	Point-in-time
General partner	`GeneralPartnersCapitalAccount`	$84.80M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-72.80M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-63.80M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-80.10M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-84.30M	USD	Point-in-time
Total partners capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.33B	USD	Point-in-time
Total partners capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.06B	USD	Point-in-time
Total partners capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.10B	USD	Point-in-time
Total partners capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.53B	USD	Point-in-time
Total Liabilities and Partners' Capital	`LiabilitiesAndStockholdersEquity`	$8.64B	USD	Point-in-time
Total Liabilities and Partners' Capital	`LiabilitiesAndStockholdersEquity`	$8.30B	USD	Point-in-time

Income Statement 137 line items

Line Item	Tag	Value	Unit	Period
Transportation	`GasDomesticRegulatedRevenue`	$1.09B	USD	Annual
Transportation	`GasDomesticRegulatedRevenue`	$1.07B	USD	Annual
Transportation	`GasDomesticRegulatedRevenue`	$1.14B	USD	Annual
Parking and lending	`ParkingAndLendingRevenue`	$18.20M	USD	Annual
Parking and lending	`ParkingAndLendingRevenue`	$11.40M	USD	Annual
Parking and lending	`ParkingAndLendingRevenue`	$23.30M	USD	Annual
Storage	`NaturalGasStorageRevenue`	$91.40M	USD	Annual
Storage	`NaturalGasStorageRevenue`	$89.50M	USD	Annual
Storage	`NaturalGasStorageRevenue`	$81.30M	USD	Annual
Other	`OtherSalesRevenueNet`	$65.40M	USD	Annual
Other	`OtherSalesRevenueNet`	$55.90M	USD	Annual
Other	`OtherSalesRevenueNet`	$55.20M	USD	Annual
Total operating revenues	`Revenues`	$345.00M	USD	1 Quarter
Total operating revenues	`Revenues`	$329.70M	USD	1 Quarter
Total operating revenues	`Revenues`	$1.23B	USD	Annual
Total operating revenues	`Revenues`	$352.60M	USD	1 Quarter
Total operating revenues	`Revenues`	$326.80M	USD	1 Quarter
Total operating revenues	`Revenues`	$294.10M	USD	1 Quarter
Total operating revenues	`Revenues`	$306.30M	USD	1 Quarter
Total operating revenues	`Revenues`	$1.31B	USD	Annual
Total operating revenues	`Revenues`	$1.25B	USD	Annual
Total operating revenues	`Revenues`	$298.60M	USD	1 Quarter
Total operating revenues	`Revenues`	$303.30M	USD	1 Quarter
Fuel and transportation	`CostOfDomesticRegulatedGasRevenue`	$70.80M	USD	Annual
Fuel and transportation	`CostOfDomesticRegulatedGasRevenue`	$99.30M	USD	Annual
Fuel and transportation	`CostOfDomesticRegulatedGasRevenue`	$124.70M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$199.90M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$209.50M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$194.80M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$142.20M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$130.40M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$125.00M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$317.80M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$288.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$323.70M	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$10.10M	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$400.00K	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$3.80M	USD	Annual
Net gain on sale of operating assets	`GainLossOnSaleOfPropertyPlantEquipment`	$500.00K	USD	Annual
Net gain on sale of operating assets	`GainLossOnSaleOfPropertyPlantEquipment`	$1.10M	USD	Annual
Net gain on sale of operating assets	`GainLossOnSaleOfPropertyPlantEquipment`	$100.00K	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$90.60M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$95.30M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$93.50M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$835.70M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$203.40M	USD	1 Quarter
Total operating costs and expenses	`OperatingExpenses`	$206.90M	USD	1 Quarter
Total operating costs and expenses	`OperatingExpenses`	$197.00M	USD	1 Quarter
Total operating costs and expenses	`OperatingExpenses`	$829.70M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$220.40M	USD	1 Quarter
Total operating costs and expenses	`OperatingExpenses`	$213.40M	USD	1 Quarter
Total operating costs and expenses	`OperatingExpenses`	$219.70M	USD	1 Quarter
Total operating costs and expenses	`OperatingExpenses`	$853.40M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$209.60M	USD	1 Quarter
Total operating costs and expenses	`OperatingExpenses`	$212.70M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$477.50M	USD	Annual
Operating income	`OperatingIncomeLoss`	$93.70M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$141.60M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$395.80M	USD	Annual
Operating income	`OperatingIncomeLoss`	$109.30M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$398.10M	USD	Annual
Operating income	`OperatingIncomeLoss`	$122.80M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$132.90M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$80.70M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$85.90M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$106.40M	USD	1 Quarter
Interest expense	`InterestExpense`	$165.50M	USD	Annual
Interest expense	`InterestExpense`	$176.40M	USD	Annual
Interest expense	`InterestExpense`	$182.80M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$400.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$400.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$600.00K	USD	Annual
Equity losses in unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	-	USD	Annual
Equity losses in unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$-86.50M	USD	Annual
Equity losses in unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	-	USD	Annual
Miscellaneous other income	`OtherNonoperatingIncomeExpense`	$2.70M	USD	Annual
Miscellaneous other income	`OtherNonoperatingIncomeExpense`	$500.00K	USD	Annual
Miscellaneous other income	`OtherNonoperatingIncomeExpense`	$7.70M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-173.30M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-174.70M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-250.90M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$101.20M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$77.90M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$40.50M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$65.90M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$47.30M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$65.70M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$222.50M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$302.80M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$147.20M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$88.40M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$38.40M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$100.00K	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$600.00K	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$200.00K	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$500.00K	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	-	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$200.00K	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$400.00K	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$200.00K	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$100.00K	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$100.00K	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$200.00K	USD	1 Quarter
Net income	`ProfitLoss`	$146.80M	USD	Annual
Net income	`ProfitLoss`	$222.00M	USD	Annual
Net income	`ProfitLoss`	$302.20M	USD	Annual
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-86.80M	USD	Annual
Net loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Net income attributable to controlling interests	`NetIncomeLoss`	$40.40M	USD	1 Quarter
Net income attributable to controlling interests	`NetIncomeLoss`	$101.00M	USD	1 Quarter
Net income attributable to controlling interests	`NetIncomeLoss`	$233.60M	USD	Annual
Net income attributable to controlling interests	`NetIncomeLoss`	$65.60M	USD	1 Quarter
Net income attributable to controlling interests	`NetIncomeLoss`	$77.70M	USD	1 Quarter
Net income attributable to controlling interests	`NetIncomeLoss`	$65.70M	USD	1 Quarter
Net income attributable to controlling interests	`NetIncomeLoss`	$38.30M	USD	1 Quarter
Net income attributable to controlling interests	`NetIncomeLoss`	$302.20M	USD	Annual
Net income attributable to controlling interests	`NetIncomeLoss`	$222.00M	USD	Annual
Net income attributable to controlling interests	`NetIncomeLoss`	$47.30M	USD	1 Quarter
Net income attributable to controlling interests	`NetIncomeLoss`	$88.20M	USD	1 Quarter
Net income per common unit (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.31	USD	1 Quarter
Net income per common unit (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.94	USD	Annual
Net income per common unit (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.26	USD	1 Quarter
Net income per common unit (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.26	USD	1 Quarter
Net income per common unit (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.16	USD	1 Quarter
Net income per common unit (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.15	USD	1 Quarter
Net income per common unit (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.19	USD	1 Quarter
Net income per common unit (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$1.18	USD	Annual
Net income per common unit (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.34	USD	1 Quarter
Net income per common unit (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.40	USD	1 Quarter
Net income per common unit (in dollars per unit)	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$0.87	USD	Annual
Weighted-average number of common units outstanding (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	250.30M	shares	Annual
Weighted-average number of common units outstanding (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	243.30M	shares	Annual
Weighted-average number of common units outstanding (in units)	`WeightedAverageLimitedPartnershipUnitsOutstanding`	248.80M	shares	Annual
Cash distribution declared and paid to common units (in dollars per unit)	`DistributionMadeToLimitedPartnerDistributionsPaidPerUnit`	$0.40	USD	Annual
Cash distribution declared and paid to common units (in dollars per unit)	`DistributionMadeToLimitedPartnerDistributionsPaidPerUnit`	$0.40	USD	Annual
Cash distribution declared and paid to common units (in dollars per unit)	`DistributionMadeToLimitedPartnerDistributionsPaidPerUnit`	$0.40	USD	Annual

Cash Flow Statement 122 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$146.80M	USD	Annual
Net income	`ProfitLoss`	$222.00M	USD	Annual
Net income	`ProfitLoss`	$302.20M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$317.80M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$288.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$323.70M	USD	Annual
Amortization of deferred costs and other	`AmortizationOfDeferredCharges`	$2.10M	USD	Annual
Amortization of deferred costs and other	`AmortizationOfDeferredCharges`	$7.70M	USD	Annual
Amortization of deferred costs and other	`AmortizationOfDeferredCharges`	$5.70M	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$10.10M	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$400.00K	USD	Annual
Asset impairment	`OtherAssetImpairmentCharges`	$3.80M	USD	Annual
Net gain on sale of operating assets	`GainLossOnSaleOfPropertyPlantEquipment`	$500.00K	USD	Annual
Net gain on sale of operating assets	`GainLossOnSaleOfPropertyPlantEquipment`	$1.10M	USD	Annual
Net gain on sale of operating assets	`GainLossOnSaleOfPropertyPlantEquipment`	$100.00K	USD	Annual
Equity losses in unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	-	USD	Annual
Equity losses in unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$-86.50M	USD	Annual
Equity losses in unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	-	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$10.40M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-8.30M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$18.60M	USD	Annual
Other receivables, affiliates	`IncreaseDecreaseInAccountsReceivableRelatedParties`	-	USD	Annual
Other receivables, affiliates	`IncreaseDecreaseInAccountsReceivableRelatedParties`	-	USD	Annual
Other receivables, affiliates	`IncreaseDecreaseInAccountsReceivableRelatedParties`	$-1.00M	USD	Annual
Gas receivables and storage assets	`IncreaseDecreaseInGasImbalanceReceivable`	$14.30M	USD	Annual
Gas receivables and storage assets	`IncreaseDecreaseInGasImbalanceReceivable`	$11.50M	USD	Annual
Gas receivables and storage assets	`IncreaseDecreaseInGasImbalanceReceivable`	$-10.90M	USD	Annual
Costs recoverable from customers	`IncreaseDecreaseInOtherRegulatoryAssets`	$-500.00K	USD	Annual
Costs recoverable from customers	`IncreaseDecreaseInOtherRegulatoryAssets`	$300.00K	USD	Annual
Costs recoverable from customers	`IncreaseDecreaseInOtherRegulatoryAssets`	-	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$3.20M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-5.80M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-800.00K	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$-20.00M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$-7.30M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$39.40M	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableRelatedParties`	$200.00K	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableRelatedParties`	$-100.00K	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableRelatedParties`	$-700.00K	USD	Annual
Gas payables	`IncreaseDecreaseInBalancingAccountUtility`	$-5.30M	USD	Annual
Gas payables	`IncreaseDecreaseInBalancingAccountUtility`	$3.70M	USD	Annual
Gas payables	`IncreaseDecreaseInBalancingAccountUtility`	$8.80M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$3.90M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$9.90M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$300.00K	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-21.40M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$24.20M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-15.20M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$600.80M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$576.40M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$513.60M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$374.50M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$590.40M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$404.40M	USD	Annual
Proceeds from sale of operating assets	`ProceedsFromSaleOfProductiveAssets`	$200.00K	USD	Annual
Proceeds from sale of operating assets	`ProceedsFromSaleOfProductiveAssets`	$2.90M	USD	Annual
Proceeds from sale of operating assets	`ProceedsFromSaleOfProductiveAssets`	$800.00K	USD	Annual
Proceeds from insurance and other recoveries	`ProceedsFromInsuranceSettlementInvestingActivities`	$6.30M	USD	Annual
Proceeds from insurance and other recoveries	`ProceedsFromInsuranceSettlementInvestingActivities`	$6.20M	USD	Annual
Proceeds from insurance and other recoveries	`ProceedsFromInsuranceSettlementInvestingActivities`	-	USD	Annual
Advances to affiliates	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Advances to affiliates	`PaymentsForProceedsFromOtherInvestingActivities`	$-100.00K	USD	Annual
Advances to affiliates	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Investment in unconsolidated affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$20.50M	USD	Annual
Investment in unconsolidated affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	-	USD	Annual
Investment in unconsolidated affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	-	USD	Annual
Distributions from unconsolidated affiliates	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	-	USD	Annual
Distributions from unconsolidated affiliates	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	-	USD	Annual
Distributions from unconsolidated affiliates	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$11.10M	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$294.70M	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-590.20M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-367.50M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-699.20M	USD	Annual
Proceeds from long-term debt, net of issuance cost	`ProceedsFromIssuanceOfUnsecuredDebt`	$539.10M	USD	Annual
Proceeds from long-term debt, net of issuance cost	`ProceedsFromIssuanceOfUnsecuredDebt`	$247.10M	USD	Annual
Proceeds from long-term debt, net of issuance cost	`ProceedsFromIssuanceOfUnsecuredDebt`	$342.90M	USD	Annual
Repayment of borrowings from long-term debt and term loan	`RepaymentsOfUnsecuredDebt`	$250.00M	USD	Annual
Repayment of borrowings from long-term debt and term loan	`RepaymentsOfUnsecuredDebt`	$725.00M	USD	Annual
Repayment of borrowings from long-term debt and term loan	`RepaymentsOfUnsecuredDebt`	$25.00M	USD	Annual
Proceeds from borrowings on revolving credit agreement	`ProceedsFromLongTermLinesOfCredit`	$665.00M	USD	Annual
Proceeds from borrowings on revolving credit agreement	`ProceedsFromLongTermLinesOfCredit`	$1.12B	USD	Annual
Proceeds from borrowings on revolving credit agreement	`ProceedsFromLongTermLinesOfCredit`	$490.00M	USD	Annual
Repayment of borrowings on revolving credit agreement, including financing fees	`RepaymentsOfLongTermLinesOfCredit`	$685.80M	USD	Annual
Repayment of borrowings on revolving credit agreement, including financing fees	`RepaymentsOfLongTermLinesOfCredit`	$873.60M	USD	Annual
Repayment of borrowings on revolving credit agreement, including financing fees	`RepaymentsOfLongTermLinesOfCredit`	$720.00M	USD	Annual
Principal payment of capital lease obligation	`RepaymentsOfLongTermCapitalLeaseObligations`	$500.00K	USD	Annual
Principal payment of capital lease obligation	`RepaymentsOfLongTermCapitalLeaseObligations`	$400.00K	USD	Annual
Principal payment of capital lease obligation	`RepaymentsOfLongTermCapitalLeaseObligations`	$400.00K	USD	Annual
Advances from affiliates	`ProceedsFromPaymentsForOtherFinancingActivities`	$100.00K	USD	Annual
Advances from affiliates	`ProceedsFromPaymentsForOtherFinancingActivities`	$600.00K	USD	Annual
Advances from affiliates	`ProceedsFromPaymentsForOtherFinancingActivities`	$300.00K	USD	Annual
Distributions paid	`PaymentsOfDividendsCommonStock`	$102.20M	USD	Annual
Distributions paid	`PaymentsOfDividendsCommonStock`	$101.50M	USD	Annual
Distributions paid	`PaymentsOfDividendsCommonStock`	$99.20M	USD	Annual
Capital contributions from noncontrolling interests	`ProceedsFromMinorityShareholders`	-	USD	Annual
Capital contributions from noncontrolling interests	`ProceedsFromMinorityShareholders`	-	USD	Annual
Capital contributions from noncontrolling interests	`ProceedsFromMinorityShareholders`	$8.20M	USD	Annual
Proceeds from sale of common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	$113.10M	USD	Annual
Proceeds from sale of common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	-	USD	Annual
Proceeds from sale of common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	-	USD	Annual
Capital contributions from general partner	`ProceedsFromOtherEquity`	-	USD	Annual
Capital contributions from general partner	`ProceedsFromOtherEquity`	$2.30M	USD	Annual
Capital contributions from general partner	`ProceedsFromOtherEquity`	-	USD	Annual
Distributions paid to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	-	USD	Annual
Distributions paid to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	-	USD	Annual
Distributions paid to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$7.90M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$163.70M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-9.10M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-212.40M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-3.50M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$1.50M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-21.90M	USD	Annual
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$3.10M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$6.60M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$4.60M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$28.50M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$3.10M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$6.60M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$4.60M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$28.50M	USD	Point-in-time

Stockholders Equity 21 line items

Line Item	Tag	Value	Unit	Period
Beginning Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.33B	USD	Point-in-time
Beginning Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.06B	USD	Point-in-time
Beginning Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.10B	USD	Point-in-time
Beginning Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.53B	USD	Point-in-time
Net income (loss)	`ProfitLoss`	$146.80M	USD	Annual
Net income (loss)	`ProfitLoss`	$222.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$302.20M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$102.20M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$101.50M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$99.20M	USD	Annual
Sale of common units, net of related transaction costs	`PartnersCapitalAccountSaleOfUnits`	$113.10M	USD	Annual
Capital contribution from general partner	`CapitalContributionFromGeneralPartner`	$2.30M	USD	Annual
Capital contributions from noncontrolling interests	`NoncontrollingInterestIncreaseFromBusinessCombination`	$8.20M	USD	Annual
Distributions paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$7.90M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-9.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.20M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-11.50M	USD	Annual
Ending Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.33B	USD	Point-in-time
Ending Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.06B	USD	Point-in-time
Ending Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.10B	USD	Point-in-time
Ending Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.53B	USD	Point-in-time

Comprehensive Income 21 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$146.80M	USD	Annual
Net income	`ProfitLoss`	$222.00M	USD	Annual
Net income	`ProfitLoss`	$302.20M	USD	Annual
(Loss) gain on cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	-	USD	Annual
(Loss) gain on cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	-	USD	Annual
(Loss) gain on cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-700.00K	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-2.40M	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-2.40M	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-2.60M	USD	Annual
Pension and other postretirement benefit costs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$13.90M	USD	Annual
Pension and other postretirement benefit costs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$10.90M	USD	Annual
Pension and other postretirement benefit costs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.80M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$210.50M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$306.40M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$137.80M	USD	Annual
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Comprehensive loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-86.80M	USD	Annual
Comprehensive income attributable to controlling interests	`ComprehensiveIncomeNetOfTax`	$210.50M	USD	Annual
Comprehensive income attributable to controlling interests	`ComprehensiveIncomeNetOfTax`	$306.40M	USD	Annual
Comprehensive income attributable to controlling interests	`ComprehensiveIncomeNetOfTax`	$224.60M	USD	Annual

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