10-Q Filing

WESTLAKE CORP CIK: 1262823 Q3 2017

Filing Information

Form Type	10-Q
Accession Number	`0001262823-17-000031`
Period End Date	20170930
Filing Date	20171107
Fiscal Year	2017
Fiscal Period	Q3
XBRL Instance	wlk-20170930.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 84 Income Statement 72 Cash Flow Statement 106 Comprehensive Income 60

Balance Sheet 84 line items

Line Item	Tag	Value	Unit	Period
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
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	shares	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$678.23M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$459.45M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$380.52M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$662.52M	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
Accounts receivable, net	`ReceivablesNetCurrent`	$938.74M	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.14B	USD	Point-in-time
Common stock, par value, in dollars per share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Inventories	`InventoryNet`	$801.10M	USD	Point-in-time
Inventories	`InventoryNet`	$834.84M	USD	Point-in-time
Common stock, par value, in dollars per share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$34.86M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$48.49M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$160.53M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	134.65M	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$8.63M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	134.65M	shares	Point-in-time
Common stock, shares held in treasury	`TreasuryStockShares`	5.55M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$2.41B	USD	Point-in-time
Common stock, shares held in treasury	`TreasuryStockShares`	5.73M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$2.70B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.34B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.42B	USD	Point-in-time
Goodwill	`Goodwill`	$1.01B	USD	Point-in-time
Goodwill	`Goodwill`	$946.55M	USD	Point-in-time
Customer relationships, net	`FiniteLivedIntangibleAssetsNet`	$611.62M	USD	Point-in-time
Customer relationships, net	`FiniteLivedIntangibleAssetsNet`	$635.88M	USD	Point-in-time
Other intangible assets, net	`OtherIntangibleAssetsNet`	$166.17M	USD	Point-in-time
Other intangible assets, net	`OtherIntangibleAssetsNet`	$175.84M	USD	Point-in-time
Deferred charges and other assets, net	`DeferredCostsAndOtherAssets`	$327.87M	USD	Point-in-time
Deferred charges and other assets, net	`DeferredCostsAndOtherAssets`	$387.56M	USD	Point-in-time
Total other assets, net	`OtherAssetsNoncurrent`	$2.20B	USD	Point-in-time
Total other assets, net	`OtherAssetsNoncurrent`	$2.06B	USD	Point-in-time
Total assets	`Assets`	$10.89B	USD	Point-in-time
Total assets	`Assets`	$11.24B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$496.26M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$560.80M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrentAndNoncurrent`	$609.47M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrentAndNoncurrent`	$537.48M	USD	Point-in-time
Term loan	`ShortTermBorrowings`	$149.34M	USD	Point-in-time
Term loan	`ShortTermBorrowings`	-	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.18B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.17B	USD	Point-in-time
Long-term debt, net	`LongTermDebt`	$3.35B	USD	Point-in-time
Long-term debt, net	`LongTermDebt`	$3.68B	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$1.66B	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$1.65B	USD	Point-in-time
Pension and other post-retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$367.70M	USD	Point-in-time
Pension and other post-retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$364.82M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$121.08M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$144.33M	USD	Point-in-time
Total liabilities	`Liabilities`	$6.69B	USD	Point-in-time
Total liabilities	`Liabilities`	$7.00B	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, 2017 and December 31, 2016, respectively	`CommonStockValue`	$1.35M	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, 2017 and December 31, 2016, respectively	`CommonStockValue`	$1.35M	USD	Point-in-time
Common stock, held in treasury, at cost; 5,551,693 and 5,726,377 shares at September 30, 2017 and December 31, 2016, respectively	`TreasuryStockValue`	$314.69M	USD	Point-in-time
Common stock, held in treasury, at cost; 5,551,693 and 5,726,377 shares at September 30, 2017 and December 31, 2016, respectively	`TreasuryStockValue`	$319.34M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$558.42M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$550.64M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.41B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.84B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-13.95M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-121.31M	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$3.52B	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$4.07B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$368.42M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$482.73M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.55B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.56B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.89B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.82B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$10.89B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$11.24B	USD	Point-in-time

Income Statement 72 line items

Line Item	Tag	Value	Unit	Period
Net sales	`SalesRevenueNet`	$3.34B	USD	3 Qtrs
Net sales	`SalesRevenueNet`	$2.11B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.28B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$6.03B	USD	3 Qtrs
Cost of sales	`CostOfGoodsSold`	$1.08B	USD	1 Quarter
Cost of sales	`CostOfGoodsSold`	$1.61B	USD	1 Quarter
Cost of sales	`CostOfGoodsSold`	$2.64B	USD	3 Qtrs
Cost of sales	`CostOfGoodsSold`	$4.76B	USD	3 Qtrs
Gross profit	`GrossProfit`	$1.27B	USD	3 Qtrs
Gross profit	`GrossProfit`	$498.05M	USD	1 Quarter
Gross profit	`GrossProfit`	$699.08M	USD	3 Qtrs
Gross profit	`GrossProfit`	$202.13M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$179.76M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$125.64M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$72.73M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$379.92M	USD	3 Qtrs
Transaction and integration-related costs	`BusinessCombinationIntegrationRelatedCosts`	$6.66M	USD	1 Quarter
Transaction and integration-related costs	`BusinessCombinationIntegrationRelatedCosts`	$82.84M	USD	1 Quarter
Transaction and integration-related costs	`BusinessCombinationIntegrationRelatedCosts`	$22.95M	USD	3 Qtrs
Transaction and integration-related costs	`BusinessCombinationIntegrationRelatedCosts`	$90.55M	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$46.56M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$428.78M	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$868.16M	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$365.75M	USD	1 Quarter
Interest expense	`InterestExpense`	$36.97M	USD	3 Qtrs
Interest expense	`InterestExpense`	$118.78M	USD	3 Qtrs
Interest expense	`InterestExpense`	$40.04M	USD	1 Quarter
Interest expense	`InterestExpense`	$24.37M	USD	1 Quarter
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$6.59M	USD	3 Qtrs
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$41.27M	USD	1 Quarter
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$2.06M	USD	1 Quarter
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$52.09M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$443.90M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$755.97M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$63.46M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$327.77M	USD	1 Quarter
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$-6.55M	USD	1 Quarter
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$232.69M	USD	3 Qtrs
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$129.33M	USD	3 Qtrs
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$108.62M	USD	1 Quarter
Net income	`ProfitLoss`	$70.01M	USD	1 Quarter
Net income	`ProfitLoss`	$219.15M	USD	1 Quarter
Net income	`ProfitLoss`	$523.28M	USD	3 Qtrs
Net income	`ProfitLoss`	$314.57M	USD	3 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.35M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$21.43M	USD	3 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.32M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$14.66M	USD	3 Qtrs
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$501.85M	USD	3 Qtrs
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$299.91M	USD	3 Qtrs
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$65.66M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$210.83M	USD	1 Quarter
Basic (usd per share)	`EarningsPerShareBasic`	$3.87	USD	3 Qtrs
Basic (usd per share)	`EarningsPerShareBasic`	$1.62	USD	1 Quarter
Basic (usd per share)	`EarningsPerShareBasic`	$0.51	USD	1 Quarter
Basic (usd per share)	`EarningsPerShareBasic`	$2.31	USD	3 Qtrs
Diluted (usd per share)	`EarningsPerShareDiluted`	$2.29	USD	3 Qtrs
Diluted (usd per share)	`EarningsPerShareDiluted`	$0.51	USD	1 Quarter
Diluted (usd per share)	`EarningsPerShareDiluted`	$1.61	USD	1 Quarter
Diluted (usd per share)	`EarningsPerShareDiluted`	$3.85	USD	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	129.03M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	129.52M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	128.79M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	129.07M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	129.38M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	130.10M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	129.79M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	129.89M	shares	1 Quarter
Dividends per common share (usd per share)	`CommonStockDividendsPerShareDeclared`	$0.59	USD	3 Qtrs
Dividends per common share (usd per share)	`CommonStockDividendsPerShareDeclared`	$0.55	USD	3 Qtrs
Dividends per common share (usd per share)	`CommonStockDividendsPerShareDeclared`	$0.21	USD	1 Quarter
Dividends per common share (usd per share)	`CommonStockDividendsPerShareDeclared`	$0.19	USD	1 Quarter

Cash Flow Statement 106 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$70.01M	USD	1 Quarter
Net income	`ProfitLoss`	$219.15M	USD	1 Quarter
Net income	`ProfitLoss`	$523.28M	USD	3 Qtrs
Net income	`ProfitLoss`	$314.57M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$94.23M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$227.19M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$448.53M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$153.63M	USD	1 Quarter
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$1.18M	USD	3 Qtrs
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$3.77M	USD	3 Qtrs
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$3.47M	USD	3 Qtrs
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$1.02M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$6.59M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$16.74M	USD	3 Qtrs
Loss from disposition of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-6.54M	USD	3 Qtrs
Loss from disposition of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-14.32M	USD	3 Qtrs
Gains realized on previously held shares of Axiall common stock and from sales of securities	`GrossRealizedGainLossonPreviouslyHeldSecuritiesandAvailableForSaleSecuritiesNet`	-	USD	3 Qtrs
Gains realized on previously held shares of Axiall common stock and from sales of securities	`GrossRealizedGainLossonPreviouslyHeldSecuritiesandAvailableForSaleSecuritiesNet`	$53.72M	USD	3 Qtrs
Write-off of debt issuance costs	`WriteOffOfDeferredDebtIssuanceCost`	$659.00K	USD	3 Qtrs
Write-off of debt issuance costs	`WriteOffOfDeferredDebtIssuanceCost`	-	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$105.91M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$23.29M	USD	3 Qtrs
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$1.19M	USD	3 Qtrs
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	-	USD	3 Qtrs
Dividends in excess of income from equity method investments	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$61.00K	USD	3 Qtrs
Dividends in excess of income from equity method investments	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$2.13M	USD	3 Qtrs
Gain on involuntary conversion of assets	`GainLossonInvoluntaryConversionofAssets`	-	USD	3 Qtrs
Gain on involuntary conversion of assets	`GainLossonInvoluntaryConversionofAssets`	$1.67M	USD	3 Qtrs
Other losses (gains), net	`OtherOperatingActivitiesCashFlowStatement`	$-6.66M	USD	3 Qtrs
Other losses (gains), net	`OtherOperatingActivitiesCashFlowStatement`	$833.00K	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$185.15M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$92.31M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$6.12M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$-23.95M	USD	3 Qtrs
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$-16.79M	USD	3 Qtrs
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$-1.63M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$34.11M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$60.90M	USD	3 Qtrs
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$73.16M	USD	3 Qtrs
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$57.42M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$75.16M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$34.84M	USD	3 Qtrs
Net cash provided by (used for) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$962.66M	USD	3 Qtrs
Net cash provided by (used for) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$544.16M	USD	3 Qtrs
Acquisition of business, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$2.44B	USD	3 Qtrs
Acquisition of business, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	3 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$414.27M	USD	3 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$467.33M	USD	3 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$180.17M	USD	1 Quarter
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$133.37M	USD	1 Quarter
Additions to cost method investment	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$47.00M	USD	3 Qtrs
Additions to cost method investment	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$4.00M	USD	3 Qtrs
Proceeds from disposition of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$213.00K	USD	3 Qtrs
Proceeds from disposition of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$171.00K	USD	3 Qtrs
Proceeds from involuntary conversion of assets	`InsuranceProceedsforInvoluntaryConversion`	$1.67M	USD	3 Qtrs
Proceeds from involuntary conversion of assets	`InsuranceProceedsforInvoluntaryConversion`	-	USD	3 Qtrs
Proceeds from sales and maturities of securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$662.94M	USD	3 Qtrs
Proceeds from sales and maturities of securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	-	USD	3 Qtrs
Purchase of securities	`PaymentsToAcquireInvestments`	-	USD	3 Qtrs
Purchase of securities	`PaymentsToAcquireInvestments`	$138.42M	USD	3 Qtrs
Settlements of derivative instruments	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$4.66M	USD	3 Qtrs
Settlements of derivative instruments	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$7.00K	USD	3 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-459.44M	USD	3 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.39B	USD	3 Qtrs
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$376.00K	USD	3 Qtrs
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$35.21M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$76.49M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$71.93M	USD	3 Qtrs
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$12.30M	USD	3 Qtrs
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$20.77M	USD	3 Qtrs
Net proceeds from issuance of Westlake Chemical Partners LP common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	-	USD	3 Qtrs
Net proceeds from issuance of Westlake Chemical Partners LP common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	$286.10M	USD	Point-in-time
Net proceeds from issuance of Westlake Chemical Partners LP common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	$110.74M	USD	3 Qtrs
Net proceeds from issuance of Westlake Chemical Partners LP common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	$110.74M	USD	Point-in-time
Proceeds from debt issuance	`ProceedsFromIssuanceOfLongTermDebt`	$1.43B	USD	3 Qtrs
Proceeds from debt issuance	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	3 Qtrs
Proceeds from issuance of notes payable	`ProceedsFromNotesPayable`	$5.95M	USD	3 Qtrs
Proceeds from issuance of notes payable	`ProceedsFromNotesPayable`	$5.60M	USD	3 Qtrs
Proceeds from term loan and drawdown of revolver	`ProceedsFromLinesOfCredit`	$225.00M	USD	3 Qtrs
Proceeds from term loan and drawdown of revolver	`ProceedsFromLinesOfCredit`	$600.00M	USD	3 Qtrs
Restricted cash associated with term loan	`IncreaseDecreaseInRestrictedCash`	$-154.00M	USD	3 Qtrs
Restricted cash associated with term loan	`IncreaseDecreaseInRestrictedCash`	$154.00M	USD	3 Qtrs
Repayment of term loan	`RepaymentsOfShortTermDebt`	-	USD	3 Qtrs
Repayment of term loan	`RepaymentsOfShortTermDebt`	$150.00M	USD	3 Qtrs
Repayment of notes payable	`RepaymentsOfNotesPayable`	$10.60M	USD	3 Qtrs
Repayment of notes payable	`RepaymentsOfNotesPayable`	$6.70M	USD	3 Qtrs
Repayment of revolver	`RepaymentsOfLinesOfCredit`	$125.00M	USD	3 Qtrs
Repayment of revolver	`RepaymentsOfLinesOfCredit`	$550.00M	USD	3 Qtrs
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$67.41M	USD	3 Qtrs
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	-	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$2.84M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$2.20M	USD	3 Qtrs
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.56B	USD	3 Qtrs
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-306.44M	USD	3 Qtrs
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashAndCashEquivalents`	$2.42M	USD	3 Qtrs
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashAndCashEquivalents`	$21.99M	USD	3 Qtrs
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$218.78M	USD	3 Qtrs
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-282.01M	USD	3 Qtrs
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$678.23M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$459.45M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$380.52M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$662.52M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$678.23M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$459.45M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$380.52M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$662.52M	USD	Point-in-time

Comprehensive Income 60 line items

Line Item	Tag	Value	Unit	Period
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$846.00K	USD	1 Quarter
Net income	`ProfitLoss`	$70.01M	USD	1 Quarter
Net income	`ProfitLoss`	$219.15M	USD	1 Quarter
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`	$2.47M	USD	3 Qtrs
Net income	`ProfitLoss`	$523.28M	USD	3 Qtrs
Net income	`ProfitLoss`	$314.57M	USD	3 Qtrs
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	-	USD	3 Qtrs
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$412.00K	USD	3 Qtrs
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$206.00K	USD	1 Quarter
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	-	USD	3 Qtrs
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	-	USD	1 Quarter
Amortization of benefits liability	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-369.00K	USD	1 Quarter
Amortization of benefits liability	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-1.07M	USD	3 Qtrs
Amortization of benefits liability	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-1.60M	USD	3 Qtrs
Amortization of benefits liability	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-529.00K	USD	1 Quarter
Income tax provision on pension and other post- retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-251.00K	USD	3 Qtrs
Income tax provision on pension and other post- retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-543.00K	USD	3 Qtrs
Income tax provision on pension and other post- retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-60.00K	USD	1 Quarter
Income tax provision on pension and other post- retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-193.00K	USD	1 Quarter
Foreign currency translation	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$15.76M	USD	3 Qtrs
Foreign currency translation	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$6.45M	USD	1 Quarter
Foreign currency translation	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$108.17M	USD	3 Qtrs
Foreign currency translation	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$39.71M	USD	1 Quarter
Income tax provision on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	-	USD	3 Qtrs
Income tax provision on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	-	USD	1 Quarter
Income tax provision on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$76.00K	USD	1 Quarter
Income tax provision on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$1.60M	USD	3 Qtrs
Unrealized holding gains on investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$1.55M	USD	1 Quarter
Unrealized holding gains on investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	-	USD	3 Qtrs
Unrealized holding gains on investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	-	USD	1 Quarter
Unrealized holding gains on investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$61.52M	USD	3 Qtrs
Reclassification of net realized gains to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	-	USD	1 Quarter
Reclassification of net realized gains to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$52.40M	USD	1 Quarter
Reclassification of net realized gains to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	-	USD	3 Qtrs
Reclassification of net realized gains to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$53.72M	USD	3 Qtrs
Income tax provision on available-for-sale investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-18.27M	USD	1 Quarter
Income tax provision on available-for-sale investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	-	USD	1 Quarter
Income tax provision on available-for-sale investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	-	USD	3 Qtrs
Income tax provision on available-for-sale investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$2.81M	USD	3 Qtrs
Other	`EquityFairValueAdjustment`	$-96.00K	USD	1 Quarter
Other	`EquityFairValueAdjustment`	$-260.00K	USD	3 Qtrs
Other	`EquityFairValueAdjustment`	-	USD	1 Quarter
Other	`EquityFairValueAdjustment`	-	USD	3 Qtrs
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$39.88M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$107.36M	USD	3 Qtrs
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$21.17M	USD	3 Qtrs
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-26.02M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$630.64M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$259.03M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$335.74M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$43.99M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests, net of tax of $846 and $0 for the three months ended September 30, 2017 and 2016, respectively; and $2,467 and $0 for the nine months ended September 30, 2017 and 2016, respectively.	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$4.35M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests, net of tax of $846 and $0 for the three months ended September 30, 2017 and 2016, respectively; and $2,467 and $0 for the nine months ended September 30, 2017 and 2016, respectively.	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$4.63M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests, net of tax of $846 and $0 for the three months ended September 30, 2017 and 2016, respectively; and $2,467 and $0 for the nine months ended September 30, 2017 and 2016, respectively.	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$14.66M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests, net of tax of $846 and $0 for the three months ended September 30, 2017 and 2016, respectively; and $2,467 and $0 for the nine months ended September 30, 2017 and 2016, respectively.	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$17.29M	USD	3 Qtrs
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$613.35M	USD	3 Qtrs
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$254.40M	USD	1 Quarter
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$39.64M	USD	1 Quarter
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$321.08M	USD	3 Qtrs

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