10-Q Filing

WESTLAKE CORP CIK: 1262823 Q2 2021

Filing Information

Form Type	10-Q
Accession Number	`0001262823-21-000059`
Period End Date	20210630
Filing Date	20210803
Fiscal Year	2021
Fiscal Period	Q2
XBRL Instance	wlk-20210630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 80 Income Statement 74 Cash Flow Statement 74 Stockholders Equity 50 Comprehensive Income 32

Balance Sheet 80 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.31B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.84B	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.21B	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.55B	USD	Point-in-time
Inventories	`InventoryNet`	$965.00M	USD	Point-in-time
Inventories	`InventoryNet`	$918.00M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$32.00M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$87.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$3.48B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$4.45B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.92B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.92B	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$452.00M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$461.00M	USD	Point-in-time
Goodwill	`Goodwill`	$1.08B	USD	Point-in-time
Goodwill	`Goodwill`	$1.08B	USD	Point-in-time
Customer relationships, net	`FiniteLivedIntangibleAssetsNet`	$399.00M	USD	Point-in-time
Customer relationships, net	`FiniteLivedIntangibleAssetsNet`	$444.00M	USD	Point-in-time
Other intangible assets, net	`OtherIntangibleAssetsNet`	$154.00M	USD	Point-in-time
Other intangible assets, net	`OtherIntangibleAssetsNet`	$168.00M	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$1.01B	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$1.06B	USD	Point-in-time
Other assets, net	`DeferredCostsAndOtherAssets`	$256.00M	USD	Point-in-time
Other assets, net	`DeferredCostsAndOtherAssets`	$223.00M	USD	Point-in-time
Total assets	`Assets`	$13.84B	USD	Point-in-time
Total assets	`Assets`	$14.72B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$536.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$667.00M	USD	Point-in-time
Accrued and other liabilities	`AccruedLiabilitiesCurrent`	$818.00M	USD	Point-in-time
Accrued and other liabilities	`AccruedLiabilitiesCurrent`	$821.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.49B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.36B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$3.57B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$3.56B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.40B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.37B	USD	Point-in-time
Pension and other post-retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$391.00M	USD	Point-in-time
Pension and other post-retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$373.00M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$376.00M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$369.00M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$199.00M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$202.00M	USD	Point-in-time
Total liabilities	`Liabilities`	$7.26B	USD	Point-in-time
Total liabilities	`Liabilities`	$7.38B	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 June 30, 2021 and December 31, 2020, 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 June 30, 2021 and December 31, 2020, respectively	`CommonStockValue`	$1.00M	USD	Point-in-time
Common stock, held in treasury, at cost; 6,501,665 and 6,821,174 shares at June 30, 2021 and December 31, 2020, respectively	`TreasuryStockValue`	$378.00M	USD	Point-in-time
Common stock, held in treasury, at cost; 6,501,665 and 6,821,174 shares at June 30, 2021 and December 31, 2020, respectively	`TreasuryStockValue`	$401.00M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$571.00M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$569.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$6.63B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.94B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-56.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-64.00M	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$6.77B	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$6.04B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$568.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$535.00M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.44B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.58B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.44B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.34B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.40B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$14.72B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$13.84B	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
Common stock, par value, in dollars per share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value, in dollars per share	`CommonStockParOrStatedValuePerShare`	$0.01	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
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	shares	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	shares	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

Income Statement 74 line items

Line Item	Tag	Value	Unit	Period
Net sales	`Revenues`	$2.86B	USD	1 Quarter
Net sales	`Revenues`	$3.64B	USD	2 Qtrs
Net sales	`Revenues`	$5.22B	USD	2 Qtrs
Net sales	`Revenues`	$1.71B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$1.54B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$1.99B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$3.83B	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$3.19B	USD	2 Qtrs
Gross profit	`GrossProfit`	$452.00M	USD	2 Qtrs
Gross profit	`GrossProfit`	$1.38B	USD	2 Qtrs
Gross profit	`GrossProfit`	$872.00M	USD	1 Quarter
Gross profit	`GrossProfit`	$169.00M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$104.00M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$125.00M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$261.00M	USD	2 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$224.00M	USD	2 Qtrs
Amortization of intangibles	`AmortizationOfIntangibleAssets`	$54.00M	USD	2 Qtrs
Amortization of intangibles	`AmortizationOfIntangibleAssets`	$27.00M	USD	1 Quarter
Amortization of intangibles	`AmortizationOfIntangibleAssets`	$54.00M	USD	2 Qtrs
Amortization of intangibles	`AmortizationOfIntangibleAssets`	$27.00M	USD	1 Quarter
Restructuring, transaction and integration-related costs	`RestructuringTransactionandIntegrationCost`	-	USD	2 Qtrs
Restructuring, transaction and integration-related costs	`RestructuringTransactionandIntegrationCost`	$2.00M	USD	2 Qtrs
Restructuring, transaction and integration-related costs	`RestructuringTransactionandIntegrationCost`	-	USD	1 Quarter
Restructuring, transaction and integration-related costs	`RestructuringTransactionandIntegrationCost`	$2.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$720.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$1.07B	USD	2 Qtrs
Income from operations	`OperatingIncomeLoss`	$172.00M	USD	2 Qtrs
Income from operations	`OperatingIncomeLoss`	$36.00M	USD	1 Quarter
Interest expense	`InterestExpense`	$71.00M	USD	2 Qtrs
Interest expense	`InterestExpense`	$69.00M	USD	2 Qtrs
Interest expense	`InterestExpense`	$40.00M	USD	1 Quarter
Interest expense	`InterestExpense`	$36.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$9.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$10.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$22.00M	USD	2 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$20.00M	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$121.00M	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$5.00M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$694.00M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.02B	USD	2 Qtrs
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$-60.00M	USD	2 Qtrs
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$158.00M	USD	1 Quarter
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$230.00M	USD	2 Qtrs
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$-19.00M	USD	1 Quarter
Net income	`ProfitLoss`	$24.00M	USD	1 Quarter
Net income	`ProfitLoss`	$789.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$181.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$536.00M	USD	1 Quarter
Net income	`ProfitLoss`	$253.00M	USD	1 Quarter
Net income	`ProfitLoss`	$157.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$25.00M	USD	2 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$9.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$14.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$21.00M	USD	2 Qtrs
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$15.00M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$522.00M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$160.00M	USD	2 Qtrs
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$764.00M	USD	2 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.11	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.24	USD	2 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$5.94	USD	2 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.06	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$5.91	USD	2 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.04	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.24	USD	2 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.11	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	128.14M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	127.96M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	127.68M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	128.05M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	128.13M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	128.68M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	128.88M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	127.82M	shares	1 Quarter

Cash Flow Statement 74 line items

Line Item	Tag	Value	Unit	Period
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$1.00M	USD	2 Qtrs
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$1.00M	USD	2 Qtrs
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$1.00M	USD	1 Quarter
Net income	`ProfitLoss`	$24.00M	USD	1 Quarter
Net income	`ProfitLoss`	$789.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$181.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$536.00M	USD	1 Quarter
Net income	`ProfitLoss`	$253.00M	USD	1 Quarter
Net income	`ProfitLoss`	$157.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$202.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$381.00M	USD	2 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$191.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$397.00M	USD	2 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$14.00M	USD	2 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$16.00M	USD	2 Qtrs
Loss from disposition and write-off of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-7.00M	USD	2 Qtrs
Loss from disposition and write-off of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-9.00M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$96.00M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$24.00M	USD	2 Qtrs
Other losses, net	`OtherOperatingActivitiesCashFlowStatement`	$3.00M	USD	2 Qtrs
Other losses, net	`OtherOperatingActivitiesCashFlowStatement`	$22.00M	USD	2 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$345.00M	USD	2 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$128.00M	USD	2 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$55.00M	USD	2 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$-87.00M	USD	2 Qtrs
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$39.00M	USD	2 Qtrs
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$16.00M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$132.00M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$8.00M	USD	2 Qtrs
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$4.00M	USD	2 Qtrs
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-75.00M	USD	2 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$51.00M	USD	2 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$70.00M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$509.00M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$882.00M	USD	2 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$291.00M	USD	2 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$129.00M	USD	1 Quarter
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$270.00M	USD	2 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$127.00M	USD	1 Quarter
Return of (additions to) investment from unconsolidated subsidiaries	`PaymentsToAcquireAdditionalInterestsInSubsidiariesAndProceedsFromEquityMethodInvestmentDistributionReturnOfCapital`	$-39.00M	USD	2 Qtrs
Return of (additions to) investment from unconsolidated subsidiaries	`PaymentsToAcquireAdditionalInterestsInSubsidiariesAndProceedsFromEquityMethodInvestmentDistributionReturnOfCapital`	$9.00M	USD	2 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-15.00M	USD	2 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$8.00M	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-264.00M	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-260.00M	USD	2 Qtrs
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$29.00M	USD	2 Qtrs
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$22.00M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$68.00M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$69.00M	USD	2 Qtrs
Net proceeds from debt issuance and drawdown of revolver	`ProceedsFromIssuanceOfLongTermDebt`	$4.00M	USD	2 Qtrs
Net proceeds from debt issuance and drawdown of revolver	`ProceedsFromIssuanceOfLongTermDebt`	$1.30B	USD	2 Qtrs
Net proceeds from (repayment of) short-term notes payable	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$5.00M	USD	2 Qtrs
Net proceeds from (repayment of) short-term notes payable	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-14.00M	USD	2 Qtrs
Repayment of revolver	`RepaymentsOfLongTermDebt`	$1.00B	USD	2 Qtrs
Repayment of revolver	`RepaymentsOfLongTermDebt`	-	USD	2 Qtrs
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	-	USD	2 Qtrs
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$54.00M	USD	2 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$10.00M	USD	2 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.00M	USD	2 Qtrs
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-72.00M	USD	2 Qtrs
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$131.00M	USD	2 Qtrs
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$-4.00M	USD	2 Qtrs
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	-	USD	2 Qtrs
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$542.00M	USD	2 Qtrs
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$380.00M	USD	2 Qtrs
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$750.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.34B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.88B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.13B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$750.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.34B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.88B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.13B	USD	Point-in-time

Stockholders Equity 50 line items

Line Item	Tag	Value	Unit	Period
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.44B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.58B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.44B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.34B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.40B	USD	Point-in-time
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$15.00M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$522.00M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$160.00M	USD	2 Qtrs
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$764.00M	USD	2 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$25.00M	USD	2 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$9.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$14.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$21.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$24.00M	USD	1 Quarter
Net income	`ProfitLoss`	$789.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$181.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$536.00M	USD	1 Quarter
Net income	`ProfitLoss`	$253.00M	USD	1 Quarter
Net income	`ProfitLoss`	$157.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$8.00M	USD	2 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-32.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-7.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-12.00M	USD	2 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$20.00M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$15.00M	USD	1 Quarter
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$54.00M	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$9.00M	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`	$1.00M	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`	$8.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$8.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$34.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$34.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$35.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$34.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$11.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$11.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$19.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.00M	USD	1 Quarter
Noncontrolling Interest, Increase from Consolidating Previously Unconsolidated Subsidiary	`NoncontrollingInterestIncreaseFromConsolidatingPreviouslyUnconsolidatedSubsidiary`	$30.00M	USD	1 Quarter
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.44B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.58B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.44B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.34B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.40B	USD	Point-in-time

Comprehensive Income 32 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$24.00M	USD	1 Quarter
Net income	`ProfitLoss`	$789.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$181.00M	USD	2 Qtrs
Net income	`ProfitLoss`	$536.00M	USD	1 Quarter
Net income	`ProfitLoss`	$253.00M	USD	1 Quarter
Net income	`ProfitLoss`	$157.00M	USD	1 Quarter
Foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-10.00M	USD	2 Qtrs
Foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$12.00M	USD	1 Quarter
Foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$15.00M	USD	1 Quarter
Foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$15.00M	USD	2 Qtrs
Income tax benefit (provision) on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$-3.00M	USD	1 Quarter
Income tax benefit (provision) on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$7.00M	USD	2 Qtrs
Income tax benefit (provision) on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$2.00M	USD	2 Qtrs
Income tax benefit (provision) on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$-5.00M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$8.00M	USD	2 Qtrs
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-32.00M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-7.00M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-12.00M	USD	2 Qtrs
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$20.00M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$15.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$797.00M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$551.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$44.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$169.00M	USD	2 Qtrs
Comprehensive income attributable to noncontrolling interests, net of tax of $1 and $0 for the three months ended June 30, 2021 and 2020; and net of tax of $1 and $1 for the six months ended June 30, 2021 and 2020, respectively	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$25.00M	USD	2 Qtrs
Comprehensive income attributable to noncontrolling interests, net of tax of $1 and $0 for the three months ended June 30, 2021 and 2020; and net of tax of $1 and $1 for the six months ended June 30, 2021 and 2020, respectively	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$22.00M	USD	2 Qtrs
Comprehensive income attributable to noncontrolling interests, net of tax of $1 and $0 for the three months ended June 30, 2021 and 2020; and net of tax of $1 and $1 for the six months ended June 30, 2021 and 2020, respectively	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$15.00M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests, net of tax of $1 and $0 for the three months ended June 30, 2021 and 2020; and net of tax of $1 and $1 for the six months ended June 30, 2021 and 2020, respectively	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$10.00M	USD	1 Quarter
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$147.00M	USD	2 Qtrs
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$34.00M	USD	1 Quarter
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$536.00M	USD	1 Quarter
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$772.00M	USD	2 Qtrs

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