10-K Filing

BOARDWALK PIPELINE PARTNERS, LP CIK: 1336047 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0001336047-25-000006`
Period End Date	20241231
Filing Date	20250211
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	bwp-20241231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 132 Income Statement 126 Cash Flow Statement 196 Stockholders Equity 34 Comprehensive Income 24

Balance Sheet 132 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$117.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$117.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$20.10M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$20.10M	USD	Point-in-time
Trade, net	`AccountsReceivableNetCurrent`	$210.70M	USD	Point-in-time
Trade, net	`AccountsReceivableNetCurrent`	$210.70M	USD	Point-in-time
Trade, net	`AccountsReceivableNetCurrent`	$204.60M	USD	Point-in-time
Trade, net	`AccountsReceivableNetCurrent`	$204.60M	USD	Point-in-time
Other	`OtherReceivables`	$21.40M	USD	Point-in-time
Other	`OtherReceivables`	$21.40M	USD	Point-in-time
Other	`OtherReceivables`	$24.90M	USD	Point-in-time
Other	`OtherReceivables`	$24.90M	USD	Point-in-time
Gas transportation receivables	`GasImbalanceAssetLiability`	$7.40M	USD	Point-in-time
Gas transportation receivables	`GasImbalanceAssetLiability`	$7.40M	USD	Point-in-time
Gas transportation receivables	`GasImbalanceAssetLiability`	$7.00M	USD	Point-in-time
Gas transportation receivables	`GasImbalanceAssetLiability`	$7.00M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$25.20M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$25.20M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$24.30M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$24.30M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$18.50M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$18.50M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$7.80M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$7.80M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$288.70M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$288.70M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$401.10M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$401.10M	USD	Point-in-time
Property, plant and equipment, gross	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization`	$13.53B	USD	Point-in-time
Property, plant and equipment, gross	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization`	$13.53B	USD	Point-in-time
Property, plant and equipment, gross	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization`	$13.86B	USD	Point-in-time
Property, plant and equipment, gross	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization`	$13.86B	USD	Point-in-time
Lessaccumulated depreciation and amortization	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization`	$5.05B	USD	Point-in-time
Lessaccumulated depreciation and amortization	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization`	$5.05B	USD	Point-in-time
Lessaccumulated depreciation and amortization	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization`	$4.67B	USD	Point-in-time
Lessaccumulated depreciation and amortization	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization`	$4.67B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$8.81B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$8.81B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$8.86B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$8.86B	USD	Point-in-time
Goodwill	`Goodwill`	$237.40M	USD	Point-in-time
Goodwill	`Goodwill`	$237.40M	USD	Point-in-time
Goodwill	`Goodwill`	$237.40M	USD	Point-in-time
Goodwill	`Goodwill`	$237.40M	USD	Point-in-time
Gas stored underground	`InventoryGasInStorageUndergroundNoncurrent`	$98.30M	USD	Point-in-time
Gas stored underground	`InventoryGasInStorageUndergroundNoncurrent`	$98.30M	USD	Point-in-time
Gas stored underground	`InventoryGasInStorageUndergroundNoncurrent`	$99.30M	USD	Point-in-time
Gas stored underground	`InventoryGasInStorageUndergroundNoncurrent`	$99.30M	USD	Point-in-time
Other	`MiscellaneousOtherAssetsNoncurrent`	$229.90M	USD	Point-in-time
Other	`MiscellaneousOtherAssetsNoncurrent`	$229.90M	USD	Point-in-time
Other	`MiscellaneousOtherAssetsNoncurrent`	$214.40M	USD	Point-in-time
Other	`MiscellaneousOtherAssetsNoncurrent`	$214.40M	USD	Point-in-time
Total other assets	`OtherAssetsNoncurrent`	$565.60M	USD	Point-in-time
Total other assets	`OtherAssetsNoncurrent`	$565.60M	USD	Point-in-time
Total other assets	`OtherAssetsNoncurrent`	$551.10M	USD	Point-in-time
Total other assets	`OtherAssetsNoncurrent`	$551.10M	USD	Point-in-time
Total Assets	`Assets`	$9.78B	USD	Point-in-time
Total Assets	`Assets`	$9.78B	USD	Point-in-time
Total Assets	`Assets`	$9.70B	USD	Point-in-time
Total Assets	`Assets`	$9.70B	USD	Point-in-time
Trade	`AccountsPayableTradeCurrent`	$113.20M	USD	Point-in-time
Trade	`AccountsPayableTradeCurrent`	$113.20M	USD	Point-in-time
Trade	`AccountsPayableTradeCurrent`	$100.90M	USD	Point-in-time
Trade	`AccountsPayableTradeCurrent`	$100.90M	USD	Point-in-time
Gas transportation payables	`GasImbalancePayableCurrent`	$7.80M	USD	Point-in-time
Gas transportation payables	`GasImbalancePayableCurrent`	$7.80M	USD	Point-in-time
Gas transportation payables	`GasImbalancePayableCurrent`	$11.70M	USD	Point-in-time
Gas transportation payables	`GasImbalancePayableCurrent`	$11.70M	USD	Point-in-time
Accrued taxes, other	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$67.90M	USD	Point-in-time
Accrued taxes, other	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$67.90M	USD	Point-in-time
Accrued taxes, other	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$67.00M	USD	Point-in-time
Accrued taxes, other	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$67.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$34.20M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$34.20M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$46.70M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$46.70M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$44.00M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$44.00M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$48.60M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$48.60M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$18.30M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$18.30M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$15.10M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$15.10M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$60.30M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$60.30M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$30.20M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$30.20M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$362.30M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$362.30M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$345.60M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$345.60M	USD	Point-in-time
Long-term debt and finance lease obligation	`LongTermDebtAndCapitalLeaseObligations`	$3.23B	USD	Point-in-time
Long-term debt and finance lease obligation	`LongTermDebtAndCapitalLeaseObligations`	$3.23B	USD	Point-in-time
Long-term debt and finance lease obligation	`LongTermDebtAndCapitalLeaseObligations`	$3.26B	USD	Point-in-time
Long-term debt and finance lease obligation	`LongTermDebtAndCapitalLeaseObligations`	$3.26B	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$59.20M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$59.20M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$70.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$70.00M	USD	Point-in-time
Provision for other asset retirement	`ProvisionForOtherAssetRetirement`	$98.10M	USD	Point-in-time
Provision for other asset retirement	`ProvisionForOtherAssetRetirement`	$98.10M	USD	Point-in-time
Provision for other asset retirement	`ProvisionForOtherAssetRetirement`	$103.60M	USD	Point-in-time
Provision for other asset retirement	`ProvisionForOtherAssetRetirement`	$103.60M	USD	Point-in-time
Total other liabilities and deferred credits	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$293.40M	USD	Point-in-time
Total other liabilities and deferred credits	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$293.40M	USD	Point-in-time
Total other liabilities and deferred credits	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$281.10M	USD	Point-in-time
Total other liabilities and deferred credits	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$281.10M	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Partners' capital	`GeneralAndLimitedPartnersCapitalAccount`	$5.98B	USD	Point-in-time
Partners' capital	`GeneralAndLimitedPartnersCapitalAccount`	$5.98B	USD	Point-in-time
Partners' capital	`GeneralAndLimitedPartnersCapitalAccount`	$5.87B	USD	Point-in-time
Partners' capital	`GeneralAndLimitedPartnersCapitalAccount`	$5.87B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-72.60M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-72.60M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-76.60M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-76.60M	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$5.91B	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$5.91B	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$5.79B	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$5.79B	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$5.70B	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$5.70B	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$5.47B	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$5.47B	USD	Point-in-time
Total Liabilities and Partners' Capital	`LiabilitiesAndStockholdersEquity`	$9.78B	USD	Point-in-time
Total Liabilities and Partners' Capital	`LiabilitiesAndStockholdersEquity`	$9.78B	USD	Point-in-time
Total Liabilities and Partners' Capital	`LiabilitiesAndStockholdersEquity`	$9.70B	USD	Point-in-time
Total Liabilities and Partners' Capital	`LiabilitiesAndStockholdersEquity`	$9.70B	USD	Point-in-time

Income Statement 126 line items

Line Item	Tag	Value	Unit	Period
Transportation	`TransportationRevenue`	$1.36B	USD	Annual
Transportation	`TransportationRevenue`	$1.36B	USD	Annual
Transportation	`TransportationRevenue`	$1.23B	USD	Annual
Transportation	`TransportationRevenue`	$1.23B	USD	Annual
Transportation	`TransportationRevenue`	$1.29B	USD	Annual
Transportation	`TransportationRevenue`	$1.29B	USD	Annual
Storage, parking and lending	`StorageParkingAndLendingRevenue`	$129.20M	USD	Annual
Storage, parking and lending	`StorageParkingAndLendingRevenue`	$129.20M	USD	Annual
Storage, parking and lending	`StorageParkingAndLendingRevenue`	$160.90M	USD	Annual
Storage, parking and lending	`StorageParkingAndLendingRevenue`	$160.90M	USD	Annual
Storage, parking and lending	`StorageParkingAndLendingRevenue`	$211.00M	USD	Annual
Storage, parking and lending	`StorageParkingAndLendingRevenue`	$211.00M	USD	Annual
Product sales	`ProductSalesRevenue`	$378.70M	USD	Annual
Product sales	`ProductSalesRevenue`	$378.70M	USD	Annual
Product sales	`ProductSalesRevenue`	$11.10M	USD	Annual
Product sales	`ProductSalesRevenue`	$11.10M	USD	Annual
Product sales	`ProductSalesRevenue`	$100.30M	USD	Annual
Product sales	`ProductSalesRevenue`	$100.30M	USD	Annual
Other	`OtherRevenue`	$62.90M	USD	Annual
Other	`OtherRevenue`	$62.90M	USD	Annual
Other	`OtherRevenue`	$77.10M	USD	Annual
Other	`OtherRevenue`	$77.10M	USD	Annual
Other	`OtherRevenue`	$69.50M	USD	Annual
Other	`OtherRevenue`	$69.50M	USD	Annual
Total operating revenues	`Revenues`	$2.03B	USD	Annual
Total operating revenues	`Revenues`	$2.03B	USD	Annual
Total operating revenues	`Revenues`	$1.62B	USD	Annual
Total operating revenues	`Revenues`	$1.62B	USD	Annual
Total operating revenues	`Revenues`	$1.43B	USD	Annual
Total operating revenues	`Revenues`	$1.43B	USD	Annual
Costs associated with service revenues	`CostsAssociatedWithServiceRevenues`	$26.30M	USD	Annual
Costs associated with service revenues	`CostsAssociatedWithServiceRevenues`	$26.30M	USD	Annual
Costs associated with service revenues	`CostsAssociatedWithServiceRevenues`	$22.40M	USD	Annual
Costs associated with service revenues	`CostsAssociatedWithServiceRevenues`	$22.40M	USD	Annual
Costs associated with service revenues	`CostsAssociatedWithServiceRevenues`	$29.10M	USD	Annual
Costs associated with service revenues	`CostsAssociatedWithServiceRevenues`	$29.10M	USD	Annual
Costs associated with product sales	`CostsAssociatedWithProductSales`	$303.50M	USD	Annual
Costs associated with product sales	`CostsAssociatedWithProductSales`	$303.50M	USD	Annual
Costs associated with product sales	`CostsAssociatedWithProductSales`	$1.00M	USD	Annual
Costs associated with product sales	`CostsAssociatedWithProductSales`	$1.00M	USD	Annual
Costs associated with product sales	`CostsAssociatedWithProductSales`	$87.80M	USD	Annual
Costs associated with product sales	`CostsAssociatedWithProductSales`	$87.80M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$310.30M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$310.30M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$281.00M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$281.00M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$250.90M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$250.90M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$147.70M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$147.70M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$171.90M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$171.90M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$186.10M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$186.10M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$392.30M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$392.30M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$408.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$408.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$424.80M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$424.80M	USD	Annual
(Gain) loss on sale of assets, impairments and other	`GainLossOnSaleOfAssetsAssetImpairmentChargesAndOther`	$5.50M	USD	Annual
(Gain) loss on sale of assets, impairments and other	`GainLossOnSaleOfAssetsAssetImpairmentChargesAndOther`	$5.50M	USD	Annual
(Gain) loss on sale of assets, impairments and other	`GainLossOnSaleOfAssetsAssetImpairmentChargesAndOther`	$-300.00K	USD	Annual
(Gain) loss on sale of assets, impairments and other	`GainLossOnSaleOfAssetsAssetImpairmentChargesAndOther`	$-300.00K	USD	Annual
(Gain) loss on sale of assets, impairments and other	`GainLossOnSaleOfAssetsAssetImpairmentChargesAndOther`	$-4.00M	USD	Annual
(Gain) loss on sale of assets, impairments and other	`GainLossOnSaleOfAssetsAssetImpairmentChargesAndOther`	$-4.00M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$114.50M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$114.50M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$122.10M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$122.10M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$115.50M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$115.50M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$1.37B	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$1.37B	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$932.80M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$932.80M	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$1.09B	USD	Annual
Total operating costs and expenses	`OperatingExpenses`	$1.09B	USD	Annual
Operating income	`OperatingIncomeLoss`	$499.20M	USD	Annual
Operating income	`OperatingIncomeLoss`	$499.20M	USD	Annual
Operating income	`OperatingIncomeLoss`	$526.20M	USD	Annual
Operating income	`OperatingIncomeLoss`	$526.20M	USD	Annual
Operating income	`OperatingIncomeLoss`	$657.70M	USD	Annual
Operating income	`OperatingIncomeLoss`	$657.70M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$182.90M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$182.90M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$155.60M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$155.60M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$165.90M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$165.90M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$3.30M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$3.30M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$31.10M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$31.10M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$12.10M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$12.10M	USD	Annual
Miscellaneous other income, net	`OtherNonoperatingIncomeExpense`	$6.10M	USD	Annual
Miscellaneous other income, net	`OtherNonoperatingIncomeExpense`	$6.10M	USD	Annual
Miscellaneous other income, net	`OtherNonoperatingIncomeExpense`	$6.40M	USD	Annual
Miscellaneous other income, net	`OtherNonoperatingIncomeExpense`	$6.40M	USD	Annual
Miscellaneous other income, net	`OtherNonoperatingIncomeExpense`	$4.10M	USD	Annual
Miscellaneous other income, net	`OtherNonoperatingIncomeExpense`	$4.10M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-156.20M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-156.20M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-145.70M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-145.70M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-139.40M	USD	Annual
Total other deductions	`NonoperatingIncomeExpense`	$-139.40M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$512.00M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$512.00M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$343.00M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$343.00M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$386.80M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$386.80M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$1.10M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$1.10M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$800.00K	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$800.00K	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$800.00K	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$800.00K	USD	Annual
Net income	`NetIncomeLoss`	$386.00M	USD	Annual
Net income	`NetIncomeLoss`	$386.00M	USD	Annual
Net income	`NetIncomeLoss`	$510.90M	USD	Annual
Net income	`NetIncomeLoss`	$510.90M	USD	Annual
Net income	`NetIncomeLoss`	$342.20M	USD	Annual
Net income	`NetIncomeLoss`	$342.20M	USD	Annual

Cash Flow Statement 196 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$386.00M	USD	Annual
Net income	`NetIncomeLoss`	$386.00M	USD	Annual
Net income	`NetIncomeLoss`	$510.90M	USD	Annual
Net income	`NetIncomeLoss`	$510.90M	USD	Annual
Net income	`NetIncomeLoss`	$342.20M	USD	Annual
Net income	`NetIncomeLoss`	$342.20M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$392.30M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$392.30M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$408.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$408.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$424.80M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$424.80M	USD	Annual
Amortization of deferred costs and other	`AmortizationOfDeferredCostsAndOther`	$18.50M	USD	Annual
Amortization of deferred costs and other	`AmortizationOfDeferredCostsAndOther`	$18.50M	USD	Annual
Amortization of deferred costs and other	`AmortizationOfDeferredCostsAndOther`	$4.00M	USD	Annual
Amortization of deferred costs and other	`AmortizationOfDeferredCostsAndOther`	$4.00M	USD	Annual
Amortization of deferred costs and other	`AmortizationOfDeferredCostsAndOther`	$13.80M	USD	Annual
Amortization of deferred costs and other	`AmortizationOfDeferredCostsAndOther`	$13.80M	USD	Annual
(Gain) loss on sale of assets, impairments and other	`GainLossOnSaleOfAssetsAssetImpairmentChargesAndOther`	$5.50M	USD	Annual
(Gain) loss on sale of assets, impairments and other	`GainLossOnSaleOfAssetsAssetImpairmentChargesAndOther`	$5.50M	USD	Annual
(Gain) loss on sale of assets, impairments and other	`GainLossOnSaleOfAssetsAssetImpairmentChargesAndOther`	$-300.00K	USD	Annual
(Gain) loss on sale of assets, impairments and other	`GainLossOnSaleOfAssetsAssetImpairmentChargesAndOther`	$-300.00K	USD	Annual
(Gain) loss on sale of assets, impairments and other	`GainLossOnSaleOfAssetsAssetImpairmentChargesAndOther`	$-4.00M	USD	Annual
(Gain) loss on sale of assets, impairments and other	`GainLossOnSaleOfAssetsAssetImpairmentChargesAndOther`	$-4.00M	USD	Annual
Interest income from short-term investments	`InterestIncomeFromShortTermInvestments`	$19.80M	USD	Annual
Interest income from short-term investments	`InterestIncomeFromShortTermInvestments`	$19.80M	USD	Annual
Interest income from short-term investments	`InterestIncomeFromShortTermInvestments`	-	USD	Annual
Interest income from short-term investments	`InterestIncomeFromShortTermInvestments`	-	USD	Annual
Interest income from short-term investments	`InterestIncomeFromShortTermInvestments`	-	USD	Annual
Interest income from short-term investments	`InterestIncomeFromShortTermInvestments`	-	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$2.80M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$2.80M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$7.80M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$7.80M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$16.70M	USD	Annual
Trade and other receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$16.70M	USD	Annual
Gas transportation receivables, storage assets and other product inventory	`IncreaseDecreaseInGasTransportationReceivablesStorageAssetsAndOtherProductInventory`	$63.40M	USD	Annual
Gas transportation receivables, storage assets and other product inventory	`IncreaseDecreaseInGasTransportationReceivablesStorageAssetsAndOtherProductInventory`	$63.40M	USD	Annual
Gas transportation receivables, storage assets and other product inventory	`IncreaseDecreaseInGasTransportationReceivablesStorageAssetsAndOtherProductInventory`	$15.20M	USD	Annual
Gas transportation receivables, storage assets and other product inventory	`IncreaseDecreaseInGasTransportationReceivablesStorageAssetsAndOtherProductInventory`	$15.20M	USD	Annual
Gas transportation receivables, storage assets and other product inventory	`IncreaseDecreaseInGasTransportationReceivablesStorageAssetsAndOtherProductInventory`	$-70.60M	USD	Annual
Gas transportation receivables, storage assets and other product inventory	`IncreaseDecreaseInGasTransportationReceivablesStorageAssetsAndOtherProductInventory`	$-70.60M	USD	Annual
Prepayments and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$9.80M	USD	Annual
Prepayments and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$9.80M	USD	Annual
Prepayments and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$7.70M	USD	Annual
Prepayments and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$7.70M	USD	Annual
Prepayments and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-3.10M	USD	Annual
Prepayments and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-3.10M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$11.90M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$11.90M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$11.50M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$11.50M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$15.60M	USD	Annual
Trade and other payables	`IncreaseDecreaseInAccountsPayable`	$15.60M	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableAffiliates`	$100.00K	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableAffiliates`	$100.00K	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableAffiliates`	$-200.00K	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableAffiliates`	$-200.00K	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableAffiliates`	$100.00K	USD	Annual
Other payables, affiliates	`IncreaseDecreaseInAccountsPayableAffiliates`	$100.00K	USD	Annual
Gas transportation payables	`IncreaseDecreaseInBalancingAccountUtility`	$20.80M	USD	Annual
Gas transportation payables	`IncreaseDecreaseInBalancingAccountUtility`	$20.80M	USD	Annual
Gas transportation payables	`IncreaseDecreaseInBalancingAccountUtility`	$-21.00M	USD	Annual
Gas transportation payables	`IncreaseDecreaseInBalancingAccountUtility`	$-21.00M	USD	Annual
Gas transportation payables	`IncreaseDecreaseInBalancingAccountUtility`	$8.60M	USD	Annual
Gas transportation payables	`IncreaseDecreaseInBalancingAccountUtility`	$8.60M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-900.00K	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-900.00K	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$7.40M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$7.40M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$17.10M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$17.10M	USD	Annual
Regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-2.70M	USD	Annual
Regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-2.70M	USD	Annual
Regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$40.30M	USD	Annual
Regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$40.30M	USD	Annual
Regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-49.30M	USD	Annual
Regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-49.30M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-21.20M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-21.20M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-19.90M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-19.90M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-10.60M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-10.60M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$726.80M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$726.80M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$817.40M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$817.40M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$900.50M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$900.50M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$392.40M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$392.40M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$382.40M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$382.40M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$344.30M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$344.30M	USD	Annual
Proceeds from sale of operating assets	`ProceedsFromSaleOfProductiveAssets`	$1.50M	USD	Annual
Proceeds from sale of operating assets	`ProceedsFromSaleOfProductiveAssets`	$1.50M	USD	Annual
Proceeds from sale of operating assets	`ProceedsFromSaleOfProductiveAssets`	$500.00K	USD	Annual
Proceeds from sale of operating assets	`ProceedsFromSaleOfProductiveAssets`	$500.00K	USD	Annual
Proceeds from sale of operating assets	`ProceedsFromSaleOfProductiveAssets`	$300.00K	USD	Annual
Proceeds from sale of operating assets	`ProceedsFromSaleOfProductiveAssets`	$300.00K	USD	Annual
Acquisition of business	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$355.00M	USD	Annual
Acquisition of business	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$355.00M	USD	Annual
Acquisition of business	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisition of business	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisition of business	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisition of business	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Purchases of short-term investments	`PaymentsForProceedsFromHeldtomaturitySecuritiesShortterm`	$1.10B	USD	Annual
Purchases of short-term investments	`PaymentsForProceedsFromHeldtomaturitySecuritiesShortterm`	$1.10B	USD	Annual
Purchases of short-term investments	`PaymentsForProceedsFromHeldtomaturitySecuritiesShortterm`	-	USD	Annual
Purchases of short-term investments	`PaymentsForProceedsFromHeldtomaturitySecuritiesShortterm`	-	USD	Annual
Purchases of short-term investments	`PaymentsForProceedsFromHeldtomaturitySecuritiesShortterm`	-	USD	Annual
Purchases of short-term investments	`PaymentsForProceedsFromHeldtomaturitySecuritiesShortterm`	-	USD	Annual
Proceeds from the maturity of short-term investments	`ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments`	$1.12B	USD	Annual
Proceeds from the maturity of short-term investments	`ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments`	$1.12B	USD	Annual
Proceeds from the maturity of short-term investments	`ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments`	-	USD	Annual
Proceeds from the maturity of short-term investments	`ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments`	-	USD	Annual
Proceeds from the maturity of short-term investments	`ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments`	-	USD	Annual
Proceeds from the maturity of short-term investments	`ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments`	-	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-737.10M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-737.10M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-372.10M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-372.10M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-342.80M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-342.80M	USD	Annual
Proceeds from long-term debt, net of issuance cost	`ProceedsFromIssuanceOfUnsecuredDebt`	-	USD	Annual
Proceeds from long-term debt, net of issuance cost	`ProceedsFromIssuanceOfUnsecuredDebt`	-	USD	Annual
Proceeds from long-term debt, net of issuance cost	`ProceedsFromIssuanceOfUnsecuredDebt`	$495.00M	USD	Annual
Proceeds from long-term debt, net of issuance cost	`ProceedsFromIssuanceOfUnsecuredDebt`	$495.00M	USD	Annual
Proceeds from long-term debt, net of issuance cost	`ProceedsFromIssuanceOfUnsecuredDebt`	$593.50M	USD	Annual
Proceeds from long-term debt, net of issuance cost	`ProceedsFromIssuanceOfUnsecuredDebt`	$593.50M	USD	Annual
Repayment of borrowings from long-term debt	`RepaymentsOfUnsecuredDebt`	$600.00M	USD	Annual
Repayment of borrowings from long-term debt	`RepaymentsOfUnsecuredDebt`	$600.00M	USD	Annual
Repayment of borrowings from long-term debt	`RepaymentsOfUnsecuredDebt`	$600.00M	USD	Annual
Repayment of borrowings from long-term debt	`RepaymentsOfUnsecuredDebt`	$600.00M	USD	Annual
Repayment of borrowings from long-term debt	`RepaymentsOfUnsecuredDebt`	-	USD	Annual
Repayment of borrowings from long-term debt	`RepaymentsOfUnsecuredDebt`	-	USD	Annual
Proceeds from borrowings on revolving credit facility	`ProceedsFromLongTermLinesOfCredit`	$155.00M	USD	Annual
Proceeds from borrowings on revolving credit facility	`ProceedsFromLongTermLinesOfCredit`	$155.00M	USD	Annual
Proceeds from borrowings on revolving credit facility	`ProceedsFromLongTermLinesOfCredit`	$170.00M	USD	Annual
Proceeds from borrowings on revolving credit facility	`ProceedsFromLongTermLinesOfCredit`	$170.00M	USD	Annual
Proceeds from borrowings on revolving credit facility	`ProceedsFromLongTermLinesOfCredit`	-	USD	Annual
Proceeds from borrowings on revolving credit facility	`ProceedsFromLongTermLinesOfCredit`	-	USD	Annual
Repayments of borrowings on revolving credit facility, including financing fees	`RepaymentsOfLongTermLinesOfCredit`	$130.60M	USD	Annual
Repayments of borrowings on revolving credit facility, including financing fees	`RepaymentsOfLongTermLinesOfCredit`	$130.60M	USD	Annual
Repayments of borrowings on revolving credit facility, including financing fees	`RepaymentsOfLongTermLinesOfCredit`	$600.00K	USD	Annual
Repayments of borrowings on revolving credit facility, including financing fees	`RepaymentsOfLongTermLinesOfCredit`	$600.00K	USD	Annual
Repayments of borrowings on revolving credit facility, including financing fees	`RepaymentsOfLongTermLinesOfCredit`	$195.00M	USD	Annual
Repayments of borrowings on revolving credit facility, including financing fees	`RepaymentsOfLongTermLinesOfCredit`	$195.00M	USD	Annual
Principal payment of finance lease obligation	`FinanceLeasePrincipalPayments`	$900.00K	USD	Annual
Principal payment of finance lease obligation	`FinanceLeasePrincipalPayments`	$900.00K	USD	Annual
Principal payment of finance lease obligation	`FinanceLeasePrincipalPayments`	$900.00K	USD	Annual
Principal payment of finance lease obligation	`FinanceLeasePrincipalPayments`	$900.00K	USD	Annual
Principal payment of finance lease obligation	`FinanceLeasePrincipalPayments`	$800.00K	USD	Annual
Principal payment of finance lease obligation	`FinanceLeasePrincipalPayments`	$800.00K	USD	Annual
Advances from affiliates	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.10M	USD	Annual
Advances from affiliates	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.10M	USD	Annual
Advances from affiliates	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.80M	USD	Annual
Advances from affiliates	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.80M	USD	Annual
Advances from affiliates	`ProceedsFromPaymentsForOtherFinancingActivities`	$700.00K	USD	Annual
Advances from affiliates	`ProceedsFromPaymentsForOtherFinancingActivities`	$700.00K	USD	Annual
Distributions paid	`PaymentsOfDividendsCommonStock`	$102.20M	USD	Annual
Distributions paid	`PaymentsOfDividendsCommonStock`	$102.20M	USD	Annual
Distributions paid	`PaymentsOfDividendsCommonStock`	$300.00M	USD	Annual
Distributions paid	`PaymentsOfDividendsCommonStock`	$300.00M	USD	Annual
Distributions paid	`PaymentsOfDividendsCommonStock`	$400.00M	USD	Annual
Distributions paid	`PaymentsOfDividendsCommonStock`	$400.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-275.80M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-275.80M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-207.50M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-207.50M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-430.60M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-430.60M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$97.80M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$97.80M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$176.50M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$176.50M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-195.50M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-195.50M	USD	Annual
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$215.60M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$215.60M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$39.10M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$39.10M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$20.10M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$20.10M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$117.90M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$117.90M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$215.60M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$215.60M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$39.10M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$39.10M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$20.10M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$20.10M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$117.90M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$117.90M	USD	Point-in-time

Stockholders Equity 34 line items

Line Item	Tag	Value	Unit	Period
Beginning Balance	`PartnersCapital`	$5.91B	USD	Point-in-time
Beginning Balance	`PartnersCapital`	$5.91B	USD	Point-in-time
Beginning Balance	`PartnersCapital`	$5.79B	USD	Point-in-time
Beginning Balance	`PartnersCapital`	$5.79B	USD	Point-in-time
Beginning Balance	`PartnersCapital`	$5.70B	USD	Point-in-time
Beginning Balance	`PartnersCapital`	$5.70B	USD	Point-in-time
Beginning Balance	`PartnersCapital`	$5.47B	USD	Point-in-time
Beginning Balance	`PartnersCapital`	$5.47B	USD	Point-in-time
Net income	`NetIncomeLoss`	$386.00M	USD	Annual
Net income	`NetIncomeLoss`	$386.00M	USD	Annual
Net income	`NetIncomeLoss`	$510.90M	USD	Annual
Net income	`NetIncomeLoss`	$510.90M	USD	Annual
Net income	`NetIncomeLoss`	$342.20M	USD	Annual
Net income	`NetIncomeLoss`	$342.20M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$400.00M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$400.00M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$102.20M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$102.20M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$300.00M	USD	Annual
Distributions paid	`PartnersCapitalAccountDistributions`	$300.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.90M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.90M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-6.90M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-6.90M	USD	Annual
Ending Balance	`PartnersCapital`	$5.91B	USD	Point-in-time
Ending Balance	`PartnersCapital`	$5.91B	USD	Point-in-time
Ending Balance	`PartnersCapital`	$5.79B	USD	Point-in-time
Ending Balance	`PartnersCapital`	$5.79B	USD	Point-in-time
Ending Balance	`PartnersCapital`	$5.70B	USD	Point-in-time
Ending Balance	`PartnersCapital`	$5.70B	USD	Point-in-time
Ending Balance	`PartnersCapital`	$5.47B	USD	Point-in-time
Ending Balance	`PartnersCapital`	$5.47B	USD	Point-in-time

Comprehensive Income 24 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$386.00M	USD	Annual
Net income	`NetIncomeLoss`	$386.00M	USD	Annual
Net income	`NetIncomeLoss`	$510.90M	USD	Annual
Net income	`NetIncomeLoss`	$510.90M	USD	Annual
Net income	`NetIncomeLoss`	$342.20M	USD	Annual
Net income	`NetIncomeLoss`	$342.20M	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-100.00K	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-100.00K	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-500.00K	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-500.00K	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-100.00K	USD	Annual
Reclassification adjustment transferred to Net income from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-100.00K	USD	Annual
Pension and other postretirement benefit costs, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-2.80M	USD	Annual
Pension and other postretirement benefit costs, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-2.80M	USD	Annual
Pension and other postretirement benefit costs, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.90M	USD	Annual
Pension and other postretirement benefit costs, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.90M	USD	Annual
Pension and other postretirement benefit costs, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$7.40M	USD	Annual
Pension and other postretirement benefit costs, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$7.40M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$335.30M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$335.30M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$388.90M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$388.90M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$514.90M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$514.90M	USD	Annual

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