10-K Filing

WESTERN MIDSTREAM PARTNERS, LP CIK: 1423902 FY 2021

Filing Information

Form Type	10-K
Accession Number	`0001423902-22-000008`
Period End Date	20211231
Filing Date	20220223
Fiscal Year	2021
Fiscal Period	FY
XBRL Instance	wes-20211231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 79 Income Statement 93 Cash Flow Statement 137 Stockholders Equity 35

Balance Sheet 79 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$92.14M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$444.92M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$202.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$99.96M	USD	Point-in-time
Accounts receivable, net	`AccountsAndOtherReceivablesNetCurrent`	$452.88M	USD	Point-in-time
Accounts receivable, net	`AccountsAndOtherReceivablesNetCurrent`	$436.51M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$46.25M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$45.26M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$943.06M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$684.76M	USD	Point-in-time
Cost	`PropertyPlantAndEquipmentGross`	$12.64B	USD	Point-in-time
Cost	`PropertyPlantAndEquipmentGross`	$12.85B	USD	Point-in-time
Less accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$4.33B	USD	Point-in-time
Less accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.93B	USD	Point-in-time
Net property, plant, and equipment	`PropertyPlantAndEquipmentNet`	$8.71B	USD	Point-in-time
Materials and supplies inventory	`InventoryNonCurrentRawMaterialsAndSuppliesGross`	$71.90M	USD	Point-in-time
Net property, plant, and equipment	`PropertyPlantAndEquipmentNet`	$8.51B	USD	Point-in-time
Materials and supplies inventory	`InventoryNonCurrentRawMaterialsAndSuppliesGross`	$56.20M	USD	Point-in-time
Goodwill	`Goodwill`	$4.78M	USD	Point-in-time
Total assets	`Assets`	$11.27B	USD	Point-in-time
Goodwill	`Goodwill`	$4.78M	USD	Point-in-time
Total assets	`Assets`	$11.83B	USD	Point-in-time
Other intangible assets	`IntangibleAssetsNetExcludingGoodwill`	$776.41M	USD	Point-in-time
Accounts receivable, net	`AccountsAndOtherReceivablesNetCurrent`	$452.88M	USD	Point-in-time
Accounts receivable, net	`AccountsAndOtherReceivablesNetCurrent`	$436.51M	USD	Point-in-time
Other intangible assets	`IntangibleAssetsNetExcludingGoodwill`	$744.74M	USD	Point-in-time
Equity investments	`EquityMethodInvestments`	$1.22B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.18B	USD	Point-in-time
Equity investments	`EquityMethodInvestments`	$1.29B	USD	Point-in-time
Equity investments	`EquityMethodInvestments`	$1.17B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.93B	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$158.70M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$171.01M	USD	Point-in-time
Total assets	`Assets`	$11.27B	USD	Point-in-time
Total assets	`Assets`	$11.83B	USD	Point-in-time
Accounts and imbalance payables	`AccountsPayableTradeCurrent`	$210.69M	USD	Point-in-time
Accounts and imbalance payables	`AccountsPayableTradeCurrent`	$326.06M	USD	Point-in-time
Short-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$438.87M	USD	Point-in-time
Short-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$505.93M	USD	Point-in-time
Accrued ad valorem taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$41.43M	USD	Point-in-time
Accrued ad valorem taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$44.95M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$263.25M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$269.95M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.14B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$960.93M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$7.42B	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$6.40B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$22.20M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$12.43M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$298.27M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$260.28M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$325.81M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$275.57M	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$7.04B	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$7.97B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.18B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.93B	USD	Point-in-time
Common units (402,993,919 and 413,839,863 units issued and outstanding at December 31, 2021 and 2020, respectively)	`LimitedPartnersCapitalAccount`	$2.78B	USD	Point-in-time
Common units (402,993,919 and 413,839,863 units issued and outstanding at December 31, 2021 and 2020, respectively)	`LimitedPartnersCapitalAccount`	$2.97B	USD	Point-in-time
General partner units (9,060,641 units issued and outstanding at December 31, 2021 and 2020)	`GeneralPartnersCapitalAccount`	$-8.88M	USD	Point-in-time
General partner units (9,060,641 units issued and outstanding at December 31, 2021 and 2020)	`GeneralPartnersCapitalAccount`	$-17.21M	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$2.76B	USD	Point-in-time
Total partners' capital	`PartnersCapital`	$2.96B	USD	Point-in-time
Noncontrolling interests	`PartnersCapitalAttributableToNoncontrollingInterest`	$137.69M	USD	Point-in-time
Noncontrolling interests	`PartnersCapitalAttributableToNoncontrollingInterest`	$134.08M	USD	Point-in-time
Total equity and partners' capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$3.35B	USD	Point-in-time
Total equity and partners' capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$3.10B	USD	Point-in-time
Total equity and partners' capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$2.90B	USD	Point-in-time
Total equity and partners' capital	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.89B	USD	Point-in-time
Total liabilities, equity, and partners' capital	`LiabilitiesAndStockholdersEquity`	$11.27B	USD	Point-in-time
Total liabilities, equity, and partners' capital	`LiabilitiesAndStockholdersEquity`	$11.83B	USD	Point-in-time
Common units issued	`LimitedPartnersCapitalAccountUnitsIssued`	413.84M	shares	Point-in-time
Common units issued	`LimitedPartnersCapitalAccountUnitsIssued`	402.99M	shares	Point-in-time
Common units outstanding	`LimitedPartnersCapitalAccountUnitsOutstanding`	413.84M	shares	Point-in-time
Common units outstanding	`LimitedPartnersCapitalAccountUnitsOutstanding`	402.99M	shares	Point-in-time
General partner units issued	`GeneralPartnersCapitalAccountUnitsIssued`	9.06M	shares	Point-in-time
General partner units issued	`GeneralPartnersCapitalAccountUnitsIssued`	9.06M	shares	Point-in-time
General partner units outstanding	`GeneralPartnersCapitalAccountUnitsOutstanding`	9.06M	shares	Point-in-time
General partner units outstanding	`GeneralPartnersCapitalAccountUnitsOutstanding`	9.06M	shares	Point-in-time

Income Statement 93 line items

Line Item	Tag	Value	Unit	Period
Total revenues and other	`Revenues`	$2.75B	USD	Annual
Total revenues and other	`Revenues`	$2.77B	USD	Annual
Total revenues and other	`Revenues`	$2.88B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.13B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.75B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.75B	USD	Annual
Revenues and other	`Revenues`	$2.75B	USD	Annual
Revenues and other	`Revenues`	$2.77B	USD	Annual
Revenues and other	`Revenues`	$2.88B	USD	Annual
Equity income, net related parties	`IncomeLossFromEquityMethodInvestments`	$226.75M	USD	Annual
Equity income, net related parties	`IncomeLossFromEquityMethodInvestments`	$204.65M	USD	Annual
Equity income, net related parties	`IncomeLossFromEquityMethodInvestments`	$237.52M	USD	Annual
Cost of product	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$188.09M	USD	Annual
Cost of product	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$322.29M	USD	Annual
Cost of product	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$444.25M	USD	Annual
Operation and maintenance	`OperatingCostsAndExpenses`	$580.87M	USD	Annual
Operation and maintenance	`OperatingCostsAndExpenses`	$641.22M	USD	Annual
Operation and maintenance	`OperatingCostsAndExpenses`	$581.30M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$114.59M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$195.55M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$155.77M	USD	Annual
Property and other taxes	`TaxesExcludingIncomeAndExciseTaxes`	$64.27M	USD	Annual
Property and other taxes	`TaxesExcludingIncomeAndExciseTaxes`	$68.34M	USD	Annual
Property and other taxes	`TaxesExcludingIncomeAndExciseTaxes`	$61.35M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$491.09M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$483.25M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$551.63M	USD	Annual
Long-lived asset and other impairments	`ImpairmentOfLongLivedAssetsHeldForUse`	$6.28M	USD	Annual
Long-lived asset and other impairments	`ImpairmentOfLongLivedAssetsHeldForUse`	$203.89M	USD	Annual
Long-lived asset and other impairments	`ImpairmentOfLongLivedAssetsHeldForUse`	$30.54M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	$441.02M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.13B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.75B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.75B	USD	Annual
Gain (loss) on divestiture and other, net	`GainLossOnDispositionOfAssetsAndOtherNet`	$44.00K	USD	Annual
Gain (loss) on divestiture and other, net	`GainLossOnDispositionOfAssetsAndOtherNet`	$-1.41M	USD	Annual
Gain (loss) on divestiture and other, net	`GainLossOnDispositionOfAssetsAndOtherNet`	$8.63M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$1.23B	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$878.91M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$1.34B	USD	Annual
Interest income Anadarko note receivable	`InterestIncomeRelatedParty`	$16.90M	USD	Annual
Interest income Anadarko note receivable	`InterestIncomeRelatedParty`	$11.74M	USD	Annual
Interest income Anadarko note receivable	`InterestIncomeRelatedParty`	-	USD	Annual
Interest expense	`InterestExpense`	$380.06M	USD	Annual
Interest expense	`InterestExpense`	$376.51M	USD	Annual
Interest expense	`InterestExpense`	$303.29M	USD	Annual
Gain (loss) on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Gain (loss) on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-24.94M	USD	Annual
Gain (loss) on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$11.23M	USD	Annual
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-123.78M	USD	Annual
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-623.00K	USD	Annual
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$1.02M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$934.19M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$522.85M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$821.17M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-9.81M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$13.47M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$6.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$944.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$807.70M	USD	Annual
Net income (loss)	`ProfitLoss`	$516.85M	USD	Annual
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$110.46M	USD	Annual
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$27.71M	USD	Annual
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-10.16M	USD	Annual
Net income (loss) attributable to Western Midstream Partners, LP	`NetIncomeLoss`	$697.24M	USD	Annual
Net income (loss) attributable to Western Midstream Partners, LP	`NetIncomeLoss`	$916.29M	USD	Annual
Net income (loss) attributable to Western Midstream Partners, LP	`NetIncomeLoss`	$527.01M	USD	Annual
Net income (loss) attributable to Western Midstream Partners, LP	`NetIncomeLoss`	$697.24M	USD	Annual
Net income (loss) attributable to Western Midstream Partners, LP	`NetIncomeLoss`	$916.29M	USD	Annual
Net income (loss) attributable to Western Midstream Partners, LP	`NetIncomeLoss`	$527.01M	USD	Annual
Pre-acquisition net (income) loss allocated to Anadarko	`PreacquisitionNetIncomeLossAllocatedToParent`	-	USD	Annual
Pre-acquisition net (income) loss allocated to Anadarko	`PreacquisitionNetIncomeLossAllocatedToParent`	-	USD	Annual
Pre-acquisition net (income) loss allocated to Anadarko	`PreacquisitionNetIncomeLossAllocatedToParent`	$29.28M	USD	Annual
General partner interest in net (income) loss	`NetIncomeLossAllocatedToGeneralPartners`	$11.10M	USD	Annual
General partner interest in net (income) loss	`NetIncomeLossAllocatedToGeneralPartners`	$19.82M	USD	Annual
General partner interest in net (income) loss	`NetIncomeLossAllocatedToGeneralPartners`	$5.64M	USD	Annual
Limited partners' interest in net income (loss)	`NetIncomeLossAllocatedToLimitedPartners`	$662.33M	USD	Annual
Limited partners' interest in net income (loss)	`NetIncomeLossAllocatedToLimitedPartners`	$515.91M	USD	Annual
Limited partners' interest in net income (loss)	`NetIncomeLossAllocatedToLimitedPartners`	$896.48M	USD	Annual
Net income (loss) per common unit - basic	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$2.18	USD	Annual
Net income (loss) per common unit - basic	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$1.18	USD	Annual
Net income (loss) per common unit - basic	`NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax`	$1.59	USD	Annual
Net income (loss) per common unit - diluted	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$1.18	USD	Annual
Net income (loss) per common unit - diluted	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$1.59	USD	Annual
Net income (loss) per common unit - diluted	`NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted`	$2.18	USD	Annual
Weighted-average common units outstanding - basic	`WeightedAverageLimitedPartnershipUnitsOutstanding`	435.55M	shares	Annual
Weighted-average common units outstanding - basic	`WeightedAverageLimitedPartnershipUnitsOutstanding`	415.79M	shares	Annual
Weighted-average common units outstanding - basic	`WeightedAverageLimitedPartnershipUnitsOutstanding`	411.31M	shares	Annual
Weighted-average common units outstanding - diluted	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	435.62M	shares	Annual
Weighted-average common units outstanding - diluted	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	412.02M	shares	Annual
Weighted-average common units outstanding - diluted	`WeightedAverageLimitedPartnershipUnitsOutstandingDiluted`	415.79M	shares	Annual

Cash Flow Statement 137 line items

Line Item	Tag	Value	Unit	Period
Capital expenditures	`PaymentsForCapitalImprovements`	$313.67M	USD	Annual
Capital expenditures	`PaymentsForCapitalImprovements`	$1.19B	USD	Annual
Capital expenditures	`PaymentsForCapitalImprovements`	$423.60M	USD	Annual
Finance lease payments	`FinanceLeasePrincipalPayments`	$14.21M	USD	Annual
Finance lease payments	`FinanceLeasePrincipalPayments`	$6.51M	USD	Annual
Finance lease payments	`FinanceLeasePrincipalPayments`	$508.00K	USD	Annual
Unit repurchases	`PaymentsForRepurchaseOfCommonStock`	$217.47M	USD	Annual
Unit repurchases	`PaymentsForRepurchaseOfCommonStock`	$32.53M	USD	Annual
Unit repurchases	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Net income (loss)	`ProfitLoss`	$944.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$807.70M	USD	Annual
Net income (loss)	`ProfitLoss`	$516.85M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$491.09M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$483.25M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$551.63M	USD	Annual
Long-lived asset and other impairments	`ImpairmentOfLongLivedAssetsHeldForUse`	$6.28M	USD	Annual
Long-lived asset and other impairments	`ImpairmentOfLongLivedAssetsHeldForUse`	$203.89M	USD	Annual
Long-lived asset and other impairments	`ImpairmentOfLongLivedAssetsHeldForUse`	$30.54M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	$441.02M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Non-cash equity-based compensation expense	`ShareBasedCompensation`	$22.46M	USD	Annual
Non-cash equity-based compensation expense	`ShareBasedCompensation`	$27.68M	USD	Annual
Non-cash equity-based compensation expense	`ShareBasedCompensation`	$15.49M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$3.30M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$7.61M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-9.77M	USD	Annual
Accretion and amortization of long-term obligations, net	`AccretionandAmortizationofLongTermObligationsNet`	$7.63M	USD	Annual
Accretion and amortization of long-term obligations, net	`AccretionandAmortizationofLongTermObligationsNet`	$8.65M	USD	Annual
Accretion and amortization of long-term obligations, net	`AccretionandAmortizationofLongTermObligationsNet`	$8.44M	USD	Annual
Equity income, net related parties	`IncomeLossFromEquityMethodInvestments`	$226.75M	USD	Annual
Equity income, net related parties	`IncomeLossFromEquityMethodInvestments`	$204.65M	USD	Annual
Equity income, net related parties	`IncomeLossFromEquityMethodInvestments`	$237.52M	USD	Annual
Distributions from equity-investment earnings related parties	`EquityMethodInvestmentDividendsOrDistributions`	$246.64M	USD	Annual
Distributions from equity-investment earnings related parties	`EquityMethodInvestmentDividendsOrDistributions`	$234.57M	USD	Annual
Distributions from equity-investment earnings related parties	`EquityMethodInvestmentDividendsOrDistributions`	$213.52M	USD	Annual
(Gain) loss on divestiture and other, net	`GainLossOnDispositionOfAssetsAndOtherNet`	$44.00K	USD	Annual
(Gain) loss on divestiture and other, net	`GainLossOnDispositionOfAssetsAndOtherNet`	$-1.41M	USD	Annual
(Gain) loss on divestiture and other, net	`GainLossOnDispositionOfAssetsAndOtherNet`	$8.63M	USD	Annual
(Gain) loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
(Gain) loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-24.94M	USD	Annual
(Gain) loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$11.23M	USD	Annual
(Gain) loss on interest-rate swaps	`DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet`	-	USD	Annual
(Gain) loss on interest-rate swaps	`DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet`	$-125.33M	USD	Annual
(Gain) loss on interest-rate swaps	`DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet`	-	USD	Annual
Cash paid to settle interest-rate swaps	`CashPaidInSettlementOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsOperatingActivities`	$107.69M	USD	Annual
Cash paid to settle interest-rate swaps	`CashPaidInSettlementOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsOperatingActivities`	$25.62M	USD	Annual
Cash paid to settle interest-rate swaps	`CashPaidInSettlementOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsOperatingActivities`	-	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$260.00K	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$236.00K	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$193.00K	USD	Annual
(Increase) decrease in accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$45.03M	USD	Annual
(Increase) decrease in accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$193.69M	USD	Annual
(Increase) decrease in accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$-16.37M	USD	Annual
Increase (decrease) in accounts and imbalance payables and accrued liabilities, net	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-30.87M	USD	Annual
Increase (decrease) in accounts and imbalance payables and accrued liabilities, net	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$114.89M	USD	Annual
Increase (decrease) in accounts and imbalance payables and accrued liabilities, net	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$144.44M	USD	Annual
Change in other items, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-54.88M	USD	Annual
Change in other items, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-49.86M	USD	Annual
Change in other items, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-24.82M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.77B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.32B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.64B	USD	Annual
Capital expenditures	`PaymentsForCapitalImprovements`	$313.67M	USD	Annual
Capital expenditures	`PaymentsForCapitalImprovements`	$1.19B	USD	Annual
Capital expenditures	`PaymentsForCapitalImprovements`	$423.60M	USD	Annual
Contributions to equity investments related parties	`PaymentsToAcquireBusinessesAndInterestInAffiliates`	$128.39M	USD	Annual
Contributions to equity investments related parties	`PaymentsToAcquireBusinessesAndInterestInAffiliates`	$19.39M	USD	Annual
Contributions to equity investments related parties	`PaymentsToAcquireBusinessesAndInterestInAffiliates`	$4.43M	USD	Annual
Distributions from equity investments in excess of cumulative earnings related parties	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$32.16M	USD	Annual
Distributions from equity investments in excess of cumulative earnings related parties	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$30.26M	USD	Annual
Distributions from equity investments in excess of cumulative earnings related parties	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$41.38M	USD	Annual
Proceeds from the sale of assets to third parties	`ProceedsFromSaleOfProductiveAssets`	$8.10M	USD	Annual
Proceeds from the sale of assets to third parties	`ProceedsFromSaleOfProductiveAssets`	$20.33M	USD	Annual
Proceeds from the sale of assets to third parties	`ProceedsFromSaleOfProductiveAssets`	$342.00K	USD	Annual
(Increase) decrease in materials and supplies inventory and other	`PaymentsForProceedsFromOtherInvestingActivities`	$57.76M	USD	Annual
(Increase) decrease in materials and supplies inventory and other	`PaymentsForProceedsFromOtherInvestingActivities`	$-11.08M	USD	Annual
(Increase) decrease in materials and supplies inventory and other	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-448.25M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.39B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-257.54M	USD	Annual
Borrowings, net of debt issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	$480.00M	USD	Annual
Borrowings, net of debt issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	$4.17B	USD	Annual
Borrowings, net of debt issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	$3.68B	USD	Annual
Repayments of debt	`RepaymentsOfLongTermDebt`	$3.80B	USD	Annual
Repayments of debt	`RepaymentsOfLongTermDebt`	$1.43B	USD	Annual
Repayments of debt	`RepaymentsOfLongTermDebt`	$1.47B	USD	Annual
Increase (decrease) in outstanding checks	`IncreaseDecreaseInOutstandingChecksFinancingActivities`	$20.70M	USD	Annual
Increase (decrease) in outstanding checks	`IncreaseDecreaseInOutstandingChecksFinancingActivities`	$-21.63M	USD	Annual
Increase (decrease) in outstanding checks	`IncreaseDecreaseInOutstandingChecksFinancingActivities`	$1.57M	USD	Annual
Registration expenses related to the issuance of Partnership common units	`PaymentsOfStockIssuanceCosts`	$855.00K	USD	Annual
Registration expenses related to the issuance of Partnership common units	`PaymentsOfStockIssuanceCosts`	-	USD	Annual
Registration expenses related to the issuance of Partnership common units	`PaymentsOfStockIssuanceCosts`	-	USD	Annual
Distributions to Partnership unitholders	`PaymentsOfDividends`	$695.83M	USD	Annual
Distributions to Partnership unitholders	`PaymentsOfDividends`	$533.76M	USD	Annual
Distributions to Partnership unitholders	`PaymentsOfDividends`	$969.07M	USD	Annual
Net contributions from (distributions to) related parties	`ProceedsFromPaymentToAffiliate`	$24.47M	USD	Annual
Net contributions from (distributions to) related parties	`ProceedsFromPaymentToAffiliate`	$458.82M	USD	Annual
Net contributions from (distributions to) related parties	`ProceedsFromPaymentToAffiliate`	$8.53M	USD	Annual
Above-market component of swap agreements with Anadarko	`ProceedsFromAboveMarketComponentOfSwapExtensions`	-	USD	Annual
Above-market component of swap agreements with Anadarko	`ProceedsFromAboveMarketComponentOfSwapExtensions`	-	USD	Annual
Above-market component of swap agreements with Anadarko	`ProceedsFromAboveMarketComponentOfSwapExtensions`	$7.41M	USD	Annual
Finance lease payments	`FinanceLeasePrincipalPayments`	$14.21M	USD	Annual
Finance lease payments	`FinanceLeasePrincipalPayments`	$6.51M	USD	Annual
Finance lease payments	`FinanceLeasePrincipalPayments`	$508.00K	USD	Annual
Unit repurchases	`PaymentsForRepurchaseOfCommonStock`	$217.47M	USD	Annual
Unit repurchases	`PaymentsForRepurchaseOfCommonStock`	$32.53M	USD	Annual
Unit repurchases	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-4.34M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-844.20M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.07B	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.75B	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$344.96M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$7.82M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-242.92M	USD	Annual
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$92.14M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$444.92M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$202.00M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$99.96M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$92.14M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$444.92M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$202.00M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$99.96M	USD	Point-in-time
Non-cash unit exchange with Occidental	`NonCashConsiderationTransferredToRelatedParty`	-	USD	Annual
Non-cash unit exchange with Occidental	`NonCashConsiderationTransferredToRelatedParty`	-	USD	Annual
Non-cash unit exchange with Occidental	`NonCashConsiderationTransferredToRelatedParty`	$261.88M	USD	Annual
Interest paid, net of capitalized interest	`InterestPaidNet`	$293.80M	USD	Annual
Interest paid, net of capitalized interest	`InterestPaidNet`	$349.91M	USD	Annual
Interest paid, net of capitalized interest	`InterestPaidNet`	$375.01M	USD	Annual
Income taxes paid (reimbursements received)	`IncomeTaxesPaidNet`	$96.00K	USD	Annual
Income taxes paid (reimbursements received)	`IncomeTaxesPaidNet`	$-384.00K	USD	Annual
Income taxes paid (reimbursements received)	`IncomeTaxesPaidNet`	$938.00K	USD	Annual
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$140.95M	USD	Annual
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$25.13M	USD	Annual
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$35.24M	USD	Annual

Stockholders Equity 35 line items

Line Item	Tag	Value	Unit	Period
WES Operating equity transactions, net	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	-	USD	Annual
Combined change in Partners' Capital from WES Operating equity transactions, net and net income (loss) attributable to Western Midstream Partners, LP	`ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet`	$-58.00M	USD	Annual
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$3.35B	USD	Point-in-time
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$3.10B	USD	Point-in-time
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$2.90B	USD	Point-in-time
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.89B	USD	Point-in-time
Net income (loss)	`ProfitLoss`	$944.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$807.70M	USD	Annual
Net income (loss)	`ProfitLoss`	$516.85M	USD	Annual
Cumulative impact of the Merger transactions	`CumulativeImpactofMergerTransactions`	-	USD	Annual
Issuance of general partner units	`PartnersCapitalAccountPrivatePlacementOfUnits`	-	USD	Annual
Above-market component of swap agreements with Anadarko	`AboveMarketComponentOfSwapExtensions`	$7.41M	USD	Annual
WES Operating equity transactions, net	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	-	USD	Annual
Distributions to Partnership unitholders	`PartnersCapitalAccountDistributions`	$695.83M	USD	Annual
Distributions to Partnership unitholders	`PartnersCapitalAccountDistributions`	$533.76M	USD	Annual
Distributions to Partnership unitholders	`PartnersCapitalAccountDistributions`	$969.07M	USD	Annual
Unit exchange with Occidental	`PartnersCapitalAccountExchangesAndConversions`	$-261.88M	USD	Annual
Unit repurchases	`PartnersCapitalAccountTreasuryUnitsPurchases`	$32.53M	USD	Annual
Unit repurchases	`PartnersCapitalAccountTreasuryUnitsPurchases`	$217.47M	USD	Annual
Acquisitions from related parties	`PartnersCapitalAccountAcquisitions`	-	USD	Annual
Acquisitions from related parties	`PartnersCapitalAccountAcquisitions`	$-2.01B	USD	Annual
Net pre-acquisition contributions from (distributions to) related parties	`PartnersCapitalAccountAdjustmentPreacquisitionContributionsFromDistributionsToAffiliate`	$458.82M	USD	Annual
Equity-based compensation expense	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$7.86M	USD	Annual
Equity-based compensation expense	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$17.59M	USD	Annual
Net contributions from (distributions to) related parties	`PartnersCapitalAccountAdjustmentContributionsFromorDistributionsToAffiliate`	$8.53M	USD	Annual
Net contributions from (distributions to) related parties	`PartnersCapitalAccountAdjustmentContributionsFromorDistributionsToAffiliate`	$-90.00K	USD	Annual
Net contributions from (distributions to) related parties	`PartnersCapitalAccountAdjustmentContributionsFromorDistributionsToAffiliate`	$24.47M	USD	Annual
Adjustments of net deferred tax liabilities	`DeferredOtherTaxExpenseBenefit`	$-268.73M	USD	Annual
Other	`PartnersCapitalOther`	$541.00K	USD	Annual
Other	`PartnersCapitalOther`	$465.00K	USD	Annual
Other	`PartnersCapitalOther`	$-4.34M	USD	Annual
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$3.35B	USD	Point-in-time
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$3.10B	USD	Point-in-time
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$2.90B	USD	Point-in-time
Balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$4.89B	USD	Point-in-time

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