10-Q Filing

WESTLAKE CORP CIK: 1262823 Q3 2020

Filing Information

Form Type	10-Q
Accession Number	`0001262823-20-000043`
Period End Date	20200930
Filing Date	20201104
Fiscal Year	2020
Fiscal Period	Q3
XBRL Instance	a2020093010qwlk_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 84 Income Statement 76 Cash Flow Statement 78 Stockholders Equity 68 Comprehensive Income 40

Balance Sheet 84 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.22B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$728.00M	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.04B	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.29B	USD	Point-in-time
Inventories	`InventoryNet`	$936.00M	USD	Point-in-time
Inventories	`InventoryNet`	$829.00M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$42.00M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$42.00M	USD	Point-in-time
Preferred stock, par value, in dollars per share	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, par value, in dollars per share	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Total current assets	`AssetsCurrent`	$3.38B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.74B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.85B	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	shares	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	shares	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.91B	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$443.00M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$460.00M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Goodwill	`Goodwill`	$1.07B	USD	Point-in-time
Goodwill	`Goodwill`	$1.07B	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Customer relationships, net	`FiniteLivedIntangibleAssetsNet`	$523.00M	USD	Point-in-time
Common stock, par value, in dollars per share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Customer relationships, net	`FiniteLivedIntangibleAssetsNet`	$461.00M	USD	Point-in-time
Common stock, par value, in dollars per share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Other intangible assets, net	`OtherIntangibleAssetsNet`	$187.00M	USD	Point-in-time
Other intangible assets, net	`OtherIntangibleAssetsNet`	$171.00M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Equity method investments	`EquityMethodInvestments`	$1.11B	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$1.05B	USD	Point-in-time
Other assets, net	`DeferredCostsAndOtherAssets`	$268.00M	USD	Point-in-time
Other assets, net	`DeferredCostsAndOtherAssets`	$247.00M	USD	Point-in-time
Total assets	`Assets`	$13.26B	USD	Point-in-time
Total assets	`Assets`	$13.69B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$447.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$473.00M	USD	Point-in-time
Accrued and other liabilities	`AccruedLiabilitiesCurrent`	$771.00M	USD	Point-in-time
Accrued and other liabilities	`AccruedLiabilitiesCurrent`	$768.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.24B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.22B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$3.68B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$3.44B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.25B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.40B	USD	Point-in-time
Pension and other post-retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$360.00M	USD	Point-in-time
Pension and other post-retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$350.00M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$355.00M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$373.00M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$202.00M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$181.00M	USD	Point-in-time
Total liabilities	`Liabilities`	$7.21B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.86B	USD	Point-in-time
Commitments and contingencies (Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, $0.01 par value, 50,000,000 shares authorized; no shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value, 50,000,000 shares authorized; no shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $0.01 par value, 300,000,000 shares authorized; 134,651,380 and 134,651,380 shares issued at September 30, 2020 and December 31, 2019, respectively	`CommonStockValue`	$1.00M	USD	Point-in-time
Common stock, $0.01 par value, 300,000,000 shares authorized; 134,651,380 and 134,651,380 shares issued at September 30, 2020 and December 31, 2019, respectively	`CommonStockValue`	$1.00M	USD	Point-in-time
Common stock, held in treasury, at cost; 6,930,624 and 6,266,609 shares at September 30, 2020 and December 31, 2019, respectively	`TreasuryStockValue`	$409.00M	USD	Point-in-time
Common stock, held in treasury, at cost; 6,930,624 and 6,266,609 shares at September 30, 2020 and December 31, 2019, respectively	`TreasuryStockValue`	$377.00M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$563.00M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$553.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.86B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.76B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-69.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-74.00M	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$5.86B	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$5.95B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$543.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$539.00M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.44B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.44B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.49B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.36B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.08B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.40B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.26B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.18B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$13.69B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$13.26B	USD	Point-in-time

Income Statement 76 line items

Line Item	Tag	Value	Unit	Period
Net sales	`Revenues`	$2.07B	USD	1 Quarter
Net sales	`Revenues`	$1.90B	USD	1 Quarter
Net sales	`Revenues`	$6.24B	USD	3 Qtrs
Net sales	`Revenues`	$5.54B	USD	3 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$5.22B	USD	3 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$1.70B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$4.84B	USD	3 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$1.65B	USD	1 Quarter
Gross profit	`GrossProfit`	$248.00M	USD	1 Quarter
Gross profit	`GrossProfit`	$700.00M	USD	3 Qtrs
Gross profit	`GrossProfit`	$371.00M	USD	1 Quarter
Gross profit	`GrossProfit`	$1.01B	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$332.00M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$343.00M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$108.00M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$110.00M	USD	1 Quarter
Amortization of intangibles	`AmortizationOfIntangibleAssets`	$27.00M	USD	1 Quarter
Amortization of intangibles	`AmortizationOfIntangibleAssets`	$81.00M	USD	3 Qtrs
Amortization of intangibles	`AmortizationOfIntangibleAssets`	$81.00M	USD	3 Qtrs
Amortization of intangibles	`AmortizationOfIntangibleAssets`	$27.00M	USD	1 Quarter
Restructuring, transaction and integration-related costs	`RestructuringTransactionandIntegrationCost`	$32.00M	USD	3 Qtrs
Restructuring, transaction and integration-related costs	`RestructuringTransactionandIntegrationCost`	$36.00M	USD	3 Qtrs
Restructuring, transaction and integration-related costs	`RestructuringTransactionandIntegrationCost`	$34.00M	USD	1 Quarter
Restructuring, transaction and integration-related costs	`RestructuringTransactionandIntegrationCost`	$8.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$251.00M	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$226.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$554.00M	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$79.00M	USD	1 Quarter
Interest expense	`InterestExpense`	$31.00M	USD	1 Quarter
Interest expense	`InterestExpense`	$89.00M	USD	3 Qtrs
Interest expense	`InterestExpense`	$108.00M	USD	3 Qtrs
Interest expense	`InterestExpense`	$37.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$12.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$32.00M	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$32.00M	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$21.00M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$54.00M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$175.00M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$497.00M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$216.00M	USD	1 Quarter
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$120.00M	USD	3 Qtrs
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$-75.00M	USD	3 Qtrs
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$50.00M	USD	1 Quarter
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$-15.00M	USD	1 Quarter
Net income	`ProfitLoss`	$69.00M	USD	1 Quarter
Net income	`ProfitLoss`	$129.00M	USD	1 Quarter
Net income	`ProfitLoss`	$250.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$157.00M	USD	1 Quarter
Net income	`ProfitLoss`	$82.00M	USD	1 Quarter
Net income	`ProfitLoss`	$377.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$166.00M	USD	1 Quarter
Net income	`ProfitLoss`	$24.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$33.00M	USD	3 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$12.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$28.00M	USD	3 Qtrs
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$158.00M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$57.00M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$217.00M	USD	3 Qtrs
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$349.00M	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.45	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.70	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.69	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.22	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.22	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.45	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.69	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.69	USD	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	127.87M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	128.22M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	127.70M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	128.41M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	127.95M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	128.07M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	128.55M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	128.77M	shares	3 Qtrs

Cash Flow Statement 78 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$69.00M	USD	1 Quarter
Net income	`ProfitLoss`	$129.00M	USD	1 Quarter
Net income	`ProfitLoss`	$250.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$157.00M	USD	1 Quarter
Net income	`ProfitLoss`	$82.00M	USD	1 Quarter
Net income	`ProfitLoss`	$377.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$166.00M	USD	1 Quarter
Net income	`ProfitLoss`	$24.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$525.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$577.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$196.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$178.00M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$19.00M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$21.00M	USD	3 Qtrs
Loss from disposition and write-off of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-32.00M	USD	3 Qtrs
Loss from disposition and write-off of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-26.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$154.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$34.00M	USD	3 Qtrs
Other losses, net	`OtherOperatingActivitiesCashFlowStatement`	$4.00M	USD	3 Qtrs
Other losses, net	`OtherOperatingActivitiesCashFlowStatement`	$23.00M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$251.00M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$5.00M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$-136.00M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$-108.00M	USD	3 Qtrs
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$8.00M	USD	3 Qtrs
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$7.00M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-49.00M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$17.00M	USD	3 Qtrs
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-34.00M	USD	3 Qtrs
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$14.00M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$64.00M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$65.00M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$866.00M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$968.00M	USD	3 Qtrs
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	3 Qtrs
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$314.00M	USD	3 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$403.00M	USD	3 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$193.00M	USD	1 Quarter
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$112.00M	USD	1 Quarter
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$604.00M	USD	3 Qtrs
Additions to investments in unconsolidated subsidiaries	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	$45.00M	USD	3 Qtrs
Additions to investments in unconsolidated subsidiaries	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	3 Qtrs
Return of investment from an equity investee	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$44.00M	USD	3 Qtrs
Return of investment from an equity investee	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	-	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$7.00M	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-15.00M	USD	3 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-948.00M	USD	3 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-366.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$102.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$98.00M	USD	3 Qtrs
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$40.00M	USD	3 Qtrs
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$39.00M	USD	3 Qtrs
Net proceeds from issuance of Westlake Chemical Partners LP common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	$63.00M	USD	3 Qtrs
Net proceeds from issuance of Westlake Chemical Partners LP common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	-	USD	3 Qtrs
Net proceeds from debt issuance and drawdown of revolver	`ProceedsFromIssuanceOfLongTermDebt`	$1.30B	USD	3 Qtrs
Net proceeds from debt issuance and drawdown of revolver	`ProceedsFromIssuanceOfLongTermDebt`	$784.00M	USD	3 Qtrs
Net proceeds from (repayment of) short-term notes payable	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-4.00M	USD	3 Qtrs
Net proceeds from (repayment of) short-term notes payable	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-17.00M	USD	3 Qtrs
Repayment of revolver and senior notes	`RepaymentsOfLongTermDebt`	-	USD	3 Qtrs
Repayment of revolver and senior notes	`RepaymentsOfLongTermDebt`	$1.10B	USD	3 Qtrs
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$30.00M	USD	3 Qtrs
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$54.00M	USD	3 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.00M	USD	3 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.00M	USD	3 Qtrs
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-14.00M	USD	3 Qtrs
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$669.00M	USD	3 Qtrs
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$-5.00M	USD	3 Qtrs
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$4.00M	USD	3 Qtrs
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$684.00M	USD	3 Qtrs
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$490.00M	USD	3 Qtrs
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$775.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.24B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.46B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$750.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$775.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.24B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.46B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$750.00M	USD	Point-in-time

Stockholders Equity 68 line items

Line Item	Tag	Value	Unit	Period
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.44B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.44B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.49B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.36B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.08B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.40B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.26B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.18B	USD	Point-in-time
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$158.00M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$57.00M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$217.00M	USD	3 Qtrs
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$349.00M	USD	3 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$33.00M	USD	3 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$12.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$28.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$69.00M	USD	1 Quarter
Net income	`ProfitLoss`	$129.00M	USD	1 Quarter
Net income	`ProfitLoss`	$250.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$157.00M	USD	1 Quarter
Net income	`ProfitLoss`	$82.00M	USD	1 Quarter
Net income	`ProfitLoss`	$377.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$166.00M	USD	1 Quarter
Net income	`ProfitLoss`	$24.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$7.00M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$19.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-5.00M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$13.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-32.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-16.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-2.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$20.00M	USD	1 Quarter
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$10.00M	USD	1 Quarter
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$54.00M	USD	1 Quarter
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$20.00M	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	-	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.00M	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	-	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	-	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	-	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	-	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$7.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$6.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$7.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$6.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$6.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$8.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$34.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$33.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$34.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$32.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$33.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$34.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$8.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$22.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$19.00M	USD	1 Quarter
Issuance of Westlake Chemical Partners LP common units	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$63.00M	USD	1 Quarter
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.44B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.44B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.49B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.36B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.08B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.40B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.26B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.18B	USD	Point-in-time

Comprehensive Income 40 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$69.00M	USD	1 Quarter
Net income	`ProfitLoss`	$129.00M	USD	1 Quarter
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$1.00M	USD	3 Qtrs
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net income	`ProfitLoss`	$250.00M	USD	3 Qtrs
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$1.00M	USD	1 Quarter
Net income	`ProfitLoss`	$157.00M	USD	1 Quarter
Net income	`ProfitLoss`	$82.00M	USD	1 Quarter
Net income	`ProfitLoss`	$377.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$166.00M	USD	1 Quarter
Net income	`ProfitLoss`	$24.00M	USD	1 Quarter
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$2.00M	USD	3 Qtrs
Foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	-	USD	3 Qtrs
Foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$10.00M	USD	1 Quarter
Foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$4.00M	USD	3 Qtrs
Foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-9.00M	USD	1 Quarter
Income tax benefit (provision) on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$-7.00M	USD	3 Qtrs
Income tax benefit (provision) on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$-9.00M	USD	1 Quarter
Income tax benefit (provision) on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$7.00M	USD	1 Quarter
Income tax benefit (provision) on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$9.00M	USD	3 Qtrs
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$7.00M	USD	3 Qtrs
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$19.00M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-5.00M	USD	3 Qtrs
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$13.00M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-32.00M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-16.00M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-2.00M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$20.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$372.00M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$257.00M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$88.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$150.00M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests, net of tax of $0 and $1 for the three months ended September 30, 2020 and 2019; and net of tax of $1 and $2 for the nine months ended September 30, 2020 and 2019, respectively	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$8.00M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests, net of tax of $0 and $1 for the three months ended September 30, 2020 and 2019; and net of tax of $1 and $2 for the nine months ended September 30, 2020 and 2019, respectively	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$35.00M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests, net of tax of $0 and $1 for the three months ended September 30, 2020 and 2019; and net of tax of $1 and $2 for the nine months ended September 30, 2020 and 2019, respectively	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$27.00M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests, net of tax of $0 and $1 for the three months ended September 30, 2020 and 2019; and net of tax of $1 and $2 for the nine months ended September 30, 2020 and 2019, respectively	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$13.00M	USD	1 Quarter
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$222.00M	USD	3 Qtrs
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$345.00M	USD	3 Qtrs
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$75.00M	USD	1 Quarter
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$142.00M	USD	1 Quarter

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