10-K Filing

WESTLAKE CORP CIK: 1262823 FY 2014

Filing Information

Form Type	10-K
Accession Number	`0001262823-15-000007`
Period End Date	20141231
Filing Date	20150225
Fiscal Year	2014
Fiscal Period	FY
XBRL Instance	wlk-20141231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 86 Income Statement 105 Cash Flow Statement 143 Stockholders Equity 28 Comprehensive Income 36

Balance Sheet 86 line items

Line Item	Tag	Value	Unit	Period
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, par value	`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
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$825.90M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$790.08M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$880.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$461.30M	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
Marketable securities	`MarketableSecuritiesCurrent`	-	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$239.39M	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$560.67M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$428.46M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	150.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	150.00M	shares	Point-in-time
Inventories	`InventoryNet`	$525.78M	USD	Point-in-time
Inventories	`InventoryNet`	$471.88M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	134.58M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$13.89M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	134.68M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$11.81M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$34.17M	USD	Point-in-time
Common stock, held in treasury	`TreasuryStockShares`	1.25M	shares	Point-in-time
Common stock, held in treasury	`TreasuryStockShares`	1.79M	shares	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$32.44M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.65B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.01B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$2.09B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$2.76B	USD	Point-in-time
Equity investments	`EquityMethodInvestments`	$61.30M	USD	Point-in-time
Equity investments	`EquityMethodInvestments`	$66.88M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetIncludingGoodwill`	$218.43M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetIncludingGoodwill`	$159.05M	USD	Point-in-time
Deferred charges and other assets, net	`DeferredCostsAndOtherAssets`	$165.41M	USD	Point-in-time
Deferred charges and other assets, net	`DeferredCostsAndOtherAssets`	$97.89M	USD	Point-in-time
Total other assets, net	`OtherAssetsNoncurrent`	$256.94M	USD	Point-in-time
Total other assets, net	`OtherAssetsNoncurrent`	$383.84M	USD	Point-in-time
Total assets	`Assets`	$4.06B	USD	Point-in-time
Total assets	`Assets`	$5.21B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$261.06M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$249.61M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$276.12M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$155.25M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$537.18M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$404.86M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$763.88M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$764.00M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$437.98M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$536.07M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$174.86M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$35.59M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.64B	USD	Point-in-time
Total liabilities	`Liabilities`	$2.01B	USD	Point-in-time
Commitments and contingencies (Notes 7 and 20)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Notes 7 and 20)	`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; 134,679,064 and 134,580,208 shares issued at December 31, 2014 and 2013, respectively (Note 8)	`CommonStockValue`	$1.35M	USD	Point-in-time
Common stock, $0.01 par value, 300,000,000 shares authorized; 134,679,064 and 134,580,208 shares issued at December 31, 2014 and 2013, respectively (Note 8)	`CommonStockValue`	$1.35M	USD	Point-in-time
Common stock, held in treasury, at cost; 1,787,546 and 1,252,922 shares at December 31, 2014 and 2013, respectively (Note 8)	`TreasuryStockValue`	$96.37M	USD	Point-in-time
Common stock, held in treasury, at cost; 1,787,546 and 1,252,922 shares at December 31, 2014 and 2013, respectively (Note 8)	`TreasuryStockValue`	$46.22M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$511.43M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$530.44M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.56B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.95B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-2.62M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-79.43M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-10.84M	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$2.42B	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$2.91B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$290.38M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	-	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.87B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.42B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.76B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$5.21B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$4.06B	USD	Point-in-time

Income Statement 105 line items

Line Item	Tag	Value	Unit	Period
Net sales	`SalesRevenueNet`	$939.05M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.03B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$951.62M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$4.42B	USD	Annual
Net sales	`SalesRevenueNet`	$3.57B	USD	Annual
Net sales	`SalesRevenueNet`	$1.25B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$998.58M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.00B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.14B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$3.76B	USD	Annual
Net sales	`SalesRevenueNet`	$864.65M	USD	1 Quarter
Cost of sales	`CostOfGoodsSold`	$2.66B	USD	Annual
Cost of sales	`CostOfGoodsSold`	$3.10B	USD	Annual
Cost of sales	`CostOfGoodsSold`	$2.83B	USD	Annual
Gross profit	`GrossProfit`	$362.85M	USD	1 Quarter
Gross profit	`GrossProfit`	$736.96M	USD	Annual
Gross profit	`GrossProfit`	$304.47M	USD	1 Quarter
Gross profit	`GrossProfit`	$305.97M	USD	1 Quarter
Gross profit	`GrossProfit`	$1.10B	USD	Annual
Gross profit	`GrossProfit`	$287.01M	USD	1 Quarter
Gross profit	`GrossProfit`	$361.52M	USD	1 Quarter
Gross profit	`GrossProfit`	$295.67M	USD	1 Quarter
Gross profit	`GrossProfit`	$1.32B	USD	Annual
Gross profit	`GrossProfit`	$273.49M	USD	1 Quarter
Gross profit	`GrossProfit`	$227.81M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$193.36M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$121.61M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$147.97M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$248.06M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$306.76M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$953.46M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$266.79M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$235.23M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$194.06M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$257.58M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$1.12B	USD	Annual
Income from operations	`OperatingIncomeLoss`	$302.39M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$266.60M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$615.35M	USD	Annual
Interest expense	`InterestExpense`	$37.35M	USD	Annual
Interest expense	`InterestExpense`	$18.08M	USD	Annual
Interest expense	`InterestExpense`	$43.05M	USD	Annual
Debt retirement costs	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Debt retirement costs	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Debt retirement costs	`GainsLossesOnExtinguishmentOfDebt`	$-7.08M	USD	Annual
Gain from sales of equity securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	-	USD	Annual
Gain from sales of equity securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	$16.43M	USD	Annual
Gain from sales of equity securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	-	USD	Annual
Other (expense) income, net	`NonoperatingIncomeExpense`	$6.79M	USD	Annual
Other (expense) income, net	`NonoperatingIncomeExpense`	$-2.72M	USD	Annual
Other (expense) income, net	`NonoperatingIncomeExpense`	$3.52M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxes`	$942.17M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxes`	$585.17M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxes`	$1.08B	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$331.75M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$398.90M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$199.61M	USD	Annual
Net income	`ProfitLoss`	$610.42M	USD	Annual
Net income	`ProfitLoss`	$385.56M	USD	Annual
Net income	`ProfitLoss`	$685.02M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$6.49M	USD	Annual
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$167.76M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$145.82M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$158.03M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$170.29M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$183.29M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$123.35M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$385.56M	USD	Annual
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$170.97M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$610.42M	USD	Annual
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$169.44M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$678.52M	USD	Annual
Basic	`EarningsPerShareBasic`	$0.92	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$4.57	USD	Annual
Basic	`EarningsPerShareBasic`	$5.09	USD	Annual
Basic	`EarningsPerShareBasic`	$1.18	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.26	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.09	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.28	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$2.89	USD	Annual
Basic	`EarningsPerShareBasic`	$1.28	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.38	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.27	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.25	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.18	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$0.92	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$4.55	USD	Annual
Diluted	`EarningsPerShareDiluted`	$2.88	USD	Annual
Diluted	`EarningsPerShareDiluted`	$1.09	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.26	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.37	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.27	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.27	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$5.07	USD	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	133.11M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	133.22M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	132.58M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	133.64M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	133.28M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	133.78M	shares	Annual
Dividends per common share	`CommonStockDividendsPerShareDeclared`	$2.14	USD	Annual
Dividends per common share	`CommonStockDividendsPerShareDeclared`	$0.41	USD	Annual
Dividends per common share	`CommonStockDividendsPerShareDeclared`	$0.58	USD	Annual

Cash Flow Statement 143 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$610.42M	USD	Annual
Net income	`ProfitLoss`	$385.56M	USD	Annual
Net income	`ProfitLoss`	$685.02M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$144.54M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$208.49M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$157.81M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$229.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$301.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$5.51M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$1.51M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$1.67M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$1.46M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$9.26M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$6.97M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$6.13M	USD	Annual
Loss from disposition of fixed assets	`GainLossOnDispositionOfAssets`	$-4.18M	USD	Annual
Loss from disposition of fixed assets	`GainLossOnDispositionOfAssets`	$-3.89M	USD	Annual
Loss from disposition of fixed assets	`GainLossOnDispositionOfAssets`	$-5.04M	USD	Annual
Gain from sales of equity securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	-	USD	Annual
Gain from sales of equity securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	$16.43M	USD	Annual
Gain from sales of equity securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	-	USD	Annual
Impairment of equity method investment	`EquityMethodInvestmentOtherThanTemporaryImpairment`	-	USD	Annual
Impairment of equity method investment	`EquityMethodInvestmentOtherThanTemporaryImpairment`	-	USD	Annual
Impairment of equity method investment	`EquityMethodInvestmentOtherThanTemporaryImpairment`	$6.75M	USD	Annual
Write-off of debt issuance costs	`WriteOffOfDeferredDebtIssuanceCost`	$1.28M	USD	Annual
Write-off of debt issuance costs	`WriteOffOfDeferredDebtIssuanceCost`	-	USD	Annual
Write-off of debt issuance costs	`WriteOffOfDeferredDebtIssuanceCost`	-	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$58.97M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-5.79M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$93.73M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$6.70M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$5.45M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$11.97M	USD	Annual
(Income) loss from equity method investments, net of dividends	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$-3.00M	USD	Annual
(Income) loss from equity method investments, net of dividends	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$-199.00K	USD	Annual
(Income) loss from equity method investments, net of dividends	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$424.00K	USD	Annual
Other loss, net	`OtherOperatingActivitiesCashFlowStatement`	$391.00K	USD	Annual
Other loss, net	`OtherOperatingActivitiesCashFlowStatement`	$275.00K	USD	Annual
Other loss, net	`OtherOperatingActivitiesCashFlowStatement`	-	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$14.83M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-6.45M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-33.16M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-91.48M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-51.09M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$46.63M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$475.00K	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$2.21M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$-7.46M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-12.72M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-97.24M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$13.82M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-15.15M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$32.38M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$74.99M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$15.24M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$4.86M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$60.09M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.03B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$752.73M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$612.09M	USD	Annual
Acquisition of business, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisition of business, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$611.09M	USD	Annual
Acquisition of business, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$178.31M	USD	Annual
Additions to equity investments	`PaymentsToAcquireEquityMethodInvestments`	-	USD	Annual
Additions to equity investments	`PaymentsToAcquireEquityMethodInvestments`	$23.34M	USD	Annual
Additions to equity investments	`PaymentsToAcquireEquityMethodInvestments`	-	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$386.88M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$431.10M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$679.22M	USD	Annual
Construction of assets pending sale-leaseback	`PaymentsForConstructionOfAssetsPendingSaleLeaseback`	-	USD	Annual
Construction of assets pending sale-leaseback	`PaymentsForConstructionOfAssetsPendingSaleLeaseback`	$136.00K	USD	Annual
Construction of assets pending sale-leaseback	`PaymentsForConstructionOfAssetsPendingSaleLeaseback`	$4.31M	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$151.00K	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$471.00K	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$181.00K	USD	Annual
Proceeds from repayment of loan acquired	`ProceedsFromRepaymentsofAcquiredLoan`	$45.92M	USD	Annual
Proceeds from repayment of loan acquired	`ProceedsFromRepaymentsofAcquiredLoan`	-	USD	Annual
Proceeds from repayment of loan acquired	`ProceedsFromRepaymentsofAcquiredLoan`	-	USD	Annual
Proceeds from repayment of loan to affiliate	`ProceedsFromRepaymentsOfRelatedPartyDebt`	$1.19M	USD	Annual
Proceeds from repayment of loan to affiliate	`ProceedsFromRepaymentsOfRelatedPartyDebt`	-	USD	Annual
Proceeds from repayment of loan to affiliate	`ProceedsFromRepaymentsOfRelatedPartyDebt`	$167.00K	USD	Annual
Proceeds from sale-leaseback of assets	`SaleLeasebackTransactionNetProceeds`	$2.30M	USD	Annual
Proceeds from sale-leaseback of assets	`SaleLeasebackTransactionNetProceeds`	-	USD	Annual
Proceeds from sale-leaseback of assets	`SaleLeasebackTransactionNetProceeds`	-	USD	Annual
Proceeds from sales and maturities of securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$342.05M	USD	Annual
Proceeds from sales and maturities of securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$47.66M	USD	Annual
Proceeds from sales and maturities of securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$252.52M	USD	Annual
Purchase of securities	`PaymentsToAcquireInvestments`	$367.15M	USD	Annual
Purchase of securities	`PaymentsToAcquireInvestments`	$127.83M	USD	Annual
Purchase of securities	`PaymentsToAcquireInvestments`	$117.33M	USD	Annual
Settlements of derivative instruments	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$1.83M	USD	Annual
Settlements of derivative instruments	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$-431.00K	USD	Annual
Settlements of derivative instruments	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$6.92M	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-773.21M	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.00B	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-466.97M	USD	Annual
Capitalized debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$2.22M	USD	Annual
Capitalized debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$1.19M	USD	Annual
Capitalized debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$55.24M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$77.66M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$285.52M	USD	Annual
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	-	USD	Annual
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$-2.20M	USD	Annual
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	-	USD	Annual
Net proceeds from issuance of Westlake Chemical Partners LP common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	-	USD	Annual
Net proceeds from issuance of Westlake Chemical Partners LP common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	$286.09M	USD	Annual
Net proceeds from issuance of Westlake Chemical Partners LP common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	-	USD	Annual
Proceeds from debt issuance	`ProceedsFromIssuanceOfLongTermDebt`	$248.82M	USD	Annual
Proceeds from debt issuance	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from debt issuance	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$10.37M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$5.52M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$3.44M	USD	Annual
Repayment of debt	`RepaymentsOfLongTermDebt`	-	USD	Annual
Repayment of debt	`RepaymentsOfLongTermDebt`	$250.00M	USD	Annual
Repayment of debt	`RepaymentsOfLongTermDebt`	-	USD	Annual
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$10.78M	USD	Annual
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$52.63M	USD	Annual
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$32.92M	USD	Annual
Utilization of restricted cash	`ProceedsFromRepaymentsOfRestrictedCashFinancingActivities`	-	USD	Annual
Utilization of restricted cash	`ProceedsFromRepaymentsOfRestrictedCashFinancingActivities`	-	USD	Annual
Utilization of restricted cash	`ProceedsFromRepaymentsOfRestrictedCashFinancingActivities`	$96.43M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$5.45M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$11.97M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$6.70M	USD	Annual
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-79.27M	USD	Annual
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-180.94M	USD	Annual
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$164.64M	USD	Annual
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashAndCashEquivalents`	$-4.51M	USD	Annual
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashAndCashEquivalents`	-	USD	Annual
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashAndCashEquivalents`	-	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-35.82M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$419.30M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-328.78M	USD	Annual
Cash and cash equivalents at beginning of the year	`CashAndCashEquivalentsAtCarryingValue`	$825.90M	USD	Point-in-time
Cash and cash equivalents at beginning of the year	`CashAndCashEquivalentsAtCarryingValue`	$790.08M	USD	Point-in-time
Cash and cash equivalents at beginning of the year	`CashAndCashEquivalentsAtCarryingValue`	$880.60M	USD	Point-in-time
Cash and cash equivalents at beginning of the year	`CashAndCashEquivalentsAtCarryingValue`	$461.30M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashAndCashEquivalentsAtCarryingValue`	$825.90M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashAndCashEquivalentsAtCarryingValue`	$790.08M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashAndCashEquivalentsAtCarryingValue`	$880.60M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashAndCashEquivalentsAtCarryingValue`	$461.30M	USD	Point-in-time

Stockholders Equity 28 line items

Line Item	Tag	Value	Unit	Period
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.87B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.42B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.76B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Net income	`ProfitLoss`	$610.42M	USD	Annual
Net income	`ProfitLoss`	$385.56M	USD	Annual
Net income	`ProfitLoss`	$685.02M	USD	Annual
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTax`	$-76.82M	USD	Annual
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTax`	$8.22M	USD	Annual
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTax`	$-1.77M	USD	Annual
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$52.63M	USD	Annual
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$10.78M	USD	Annual
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$32.92M	USD	Annual
Shares issued - stock based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$5.52M	USD	Annual
Shares issued - stock based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$10.37M	USD	Annual
Shares issued - stock based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$3.44M	USD	Annual
Stock-based compensation, net of tax on stock options exercised	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRequisiteServicePeriodRecognition`	$18.09M	USD	Annual
Stock-based compensation, net of tax on stock options exercised	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRequisiteServicePeriodRecognition`	$15.96M	USD	Annual
Stock-based compensation, net of tax on stock options exercised	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRequisiteServicePeriodRecognition`	$12.41M	USD	Annual
Dividends paid	`DividendsCommonStockCash`	$77.66M	USD	Annual
Dividends paid	`DividendsCommonStockCash`	$285.52M	USD	Annual
Dividends paid	`DividendsCommonStockCash`	$55.24M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$2.20M	USD	Annual
Issuance of Westlake Chemical Partners LP common units	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$286.09M	USD	Annual
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.87B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.42B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.76B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time

Comprehensive Income 36 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$610.42M	USD	Annual
Net income	`ProfitLoss`	$385.56M	USD	Annual
Net income	`ProfitLoss`	$685.02M	USD	Annual
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTaxExcludingAmortizationLiability`	$25.77M	USD	Annual
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTaxExcludingAmortizationLiability`	$4.30M	USD	Annual
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTaxExcludingAmortizationLiability`	$-12.97M	USD	Annual
Amortization of benefits liability	`OtherComprehensiveIncomeLossAmortizationOfBenefitsLiabilityBeforeTax`	$-2.34M	USD	Annual
Amortization of benefits liability	`OtherComprehensiveIncomeLossAmortizationOfBenefitsLiabilityBeforeTax`	$-924.00K	USD	Annual
Amortization of benefits liability	`OtherComprehensiveIncomeLossAmortizationOfBenefitsLiabilityBeforeTax`	$-2.71M	USD	Annual
Income tax (provision) benefit on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-6.03M	USD	Annual
Income tax (provision) benefit on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$753.00K	USD	Annual
Income tax (provision) benefit on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$8.10M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-1.61M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-60.13M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$623.00K	USD	Annual
Unrealized holding gains on investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax`	$1.30M	USD	Annual
Unrealized holding gains on investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax`	$14.58M	USD	Annual
Unrealized holding gains on investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax`	$256.00K	USD	Annual
Reclassification of net realized loss (gains) to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-19.00K	USD	Annual
Reclassification of net realized loss (gains) to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$1.21M	USD	Annual
Reclassification of net realized loss (gains) to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$16.43M	USD	Annual
Income tax (provision) benefit on available-for-sale investment	`OtherComprehensiveIncomeLossIncomeTaxProvisionBenefitOnAvailableForSaleInvestment`	$-662.00K	USD	Annual
Income tax (provision) benefit on available-for-sale investment	`OtherComprehensiveIncomeLossIncomeTaxProvisionBenefitOnAvailableForSaleInvestment`	$32.00K	USD	Annual
Income tax (provision) benefit on available-for-sale investment	`OtherComprehensiveIncomeLossIncomeTaxProvisionBenefitOnAvailableForSaleInvestment`	$99.00K	USD	Annual
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$8.22M	USD	Annual
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-76.82M	USD	Annual
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-1.77M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$618.65M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$608.20M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$383.79M	USD	Annual
Comprehensive income attributable to noncontrolling interests, net of tax	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$6.49M	USD	Annual
Comprehensive income attributable to noncontrolling interests, net of tax	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Comprehensive income attributable to noncontrolling interests, net of tax	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$383.79M	USD	Annual
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$618.65M	USD	Annual
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$601.71M	USD	Annual

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