10-K Filing

WESTLAKE CORP CIK: 1262823 FY 2015

Filing Information

Form Type	10-K
Accession Number	`0001262823-16-000030`
Period End Date	20151231
Filing Date	20160224
Fiscal Year	2015
Fiscal Period	FY
XBRL Instance	wlk-20151231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 85 Income Statement 99 Cash Flow Statement 140 Stockholders Equity 30 Comprehensive Income 39

Balance Sheet 85 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
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$662.52M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$461.30M	USD	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
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$520.14M	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	-	USD	Point-in-time
Common stock, par value per share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value per share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$508.53M	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$560.67M	USD	Point-in-time
Common stock, par value per share	`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
Inventories	`InventoryNet`	$525.78M	USD	Point-in-time
Common Stock, shares authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Inventories	`InventoryNet`	$434.06M	USD	Point-in-time
Common Stock, shares authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$11.81M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	134.68M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$14.49M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	134.66M	shares	Point-in-time
Common stock, held in treasury	`TreasuryStockShares`	4.44M	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
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$35.44M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.01B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.18B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$3.00B	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`	$9.21M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetIncludingGoodwill`	$218.43M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetIncludingGoodwill`	$213.40M	USD	Point-in-time
Deferred charges and other assets, net	`DeferredCostsAndOtherAssets`	$165.41M	USD	Point-in-time
Deferred charges and other assets, net	`DeferredCostsAndOtherAssets`	$173.38M	USD	Point-in-time
Total other assets, net	`OtherAssetsNoncurrent`	$386.79M	USD	Point-in-time
Total other assets, net	`OtherAssetsNoncurrent`	$383.84M	USD	Point-in-time
Total assets	`Assets`	$5.21B	USD	Point-in-time
Total assets	`Assets`	$5.58B	USD	Point-in-time
Accounts and notes payable	`AccountsPayableCurrent`	$235.33M	USD	Point-in-time
Accounts and notes payable	`AccountsPayableCurrent`	$261.06M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$276.12M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$287.31M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$522.64M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$537.18M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$764.12M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$764.00M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$575.60M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$536.07M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$150.96M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$174.86M	USD	Point-in-time
Total liabilities	`Liabilities`	$2.01B	USD	Point-in-time
Total liabilities	`Liabilities`	$2.01B	USD	Point-in-time
Commitments and contingencies (Notes 8 and 22)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Notes 8 and 22)	`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; 134,663,244 and 134,679,064 shares issued at December 31, 2015 and 2014, respectively (Note 9)	`CommonStockValue`	$1.35M	USD	Point-in-time
Common stock, $0.01 par value, 300,000,000 shares authorized; 134,663,244 and 134,679,064 shares issued at December 31, 2015 and 2014, respectively (Note 9)	`CommonStockValue`	$1.35M	USD	Point-in-time
Common stock, held in treasury, at cost; 4,444,898 and 1,787,546 shares at December 31, 2015 and 2014, respectively (Note 9)	`TreasuryStockValue`	$96.37M	USD	Point-in-time
Common stock, held in treasury, at cost; 4,444,898 and 1,787,546 shares at December 31, 2015 and 2014, respectively (Note 9)	`TreasuryStockValue`	$258.31M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$542.15M	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`	$3.11B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-79.43M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-129.29M	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$2.91B	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$3.27B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$296.05M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$290.38M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.42B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.87B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.56B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$5.58B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$5.21B	USD	Point-in-time

Income Statement 99 line items

Line Item	Tag	Value	Unit	Period
Net sales	`SalesRevenueNet`	$3.76B	USD	Annual
Net sales	`SalesRevenueNet`	$986.77M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.19B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.25B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.19B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.03B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.14B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$998.58M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.10B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$4.46B	USD	Annual
Net sales	`SalesRevenueNet`	$4.42B	USD	Annual
Cost of sales	`CostOfGoodsSold`	$3.28B	USD	Annual
Cost of sales	`CostOfGoodsSold`	$2.66B	USD	Annual
Cost of sales	`CostOfGoodsSold`	$3.10B	USD	Annual
Gross profit	`GrossProfit`	$362.85M	USD	1 Quarter
Gross profit	`GrossProfit`	$361.52M	USD	1 Quarter
Gross profit	`GrossProfit`	$353.18M	USD	1 Quarter
Gross profit	`GrossProfit`	$236.19M	USD	1 Quarter
Gross profit	`GrossProfit`	$311.28M	USD	1 Quarter
Gross profit	`GrossProfit`	$284.55M	USD	1 Quarter
Gross profit	`GrossProfit`	$1.10B	USD	Annual
Gross profit	`GrossProfit`	$287.01M	USD	1 Quarter
Gross profit	`GrossProfit`	$305.97M	USD	1 Quarter
Gross profit	`GrossProfit`	$1.32B	USD	Annual
Gross profit	`GrossProfit`	$1.19B	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$225.36M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$193.36M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$147.97M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$254.03M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$1.12B	USD	Annual
Income from operations	`OperatingIncomeLoss`	$959.83M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$295.37M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$953.46M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$181.15M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$229.28M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$266.79M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$306.76M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$248.06M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$302.39M	USD	1 Quarter
Interest expense	`InterestExpense`	$37.35M	USD	Annual
Interest expense	`InterestExpense`	$18.08M	USD	Annual
Interest expense	`InterestExpense`	$34.66M	USD	Annual
Other income (expense), net	`NonoperatingIncomeExpense`	$38.27M	USD	Annual
Other income (expense), net	`NonoperatingIncomeExpense`	$-2.72M	USD	Annual
Other income (expense), net	`NonoperatingIncomeExpense`	$6.79M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxes`	$963.44M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxes`	$1.08B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxes`	$942.17M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$398.90M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$331.75M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$298.40M	USD	Annual
Net income	`ProfitLoss`	$610.42M	USD	Annual
Net income	`ProfitLoss`	$665.04M	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`	$19.04M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$6.49M	USD	Annual
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$205.09M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$158.03M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$646.01M	USD	Annual
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$146.34M	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
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$110.97M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$183.60M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$167.76M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$183.29M	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$4.88	USD	Annual
Basic	`EarningsPerShareBasic`	$1.38	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$5.09	USD	Annual
Basic	`EarningsPerShareBasic`	$4.57	USD	Annual
Basic	`EarningsPerShareBasic`	$1.27	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.18	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.26	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$0.85	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.55	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.10	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.39	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.25	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.39	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$4.55	USD	Annual
Diluted	`EarningsPerShareDiluted`	$4.86	USD	Annual
Diluted	`EarningsPerShareDiluted`	$1.10	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$5.07	USD	Annual
Diluted	`EarningsPerShareDiluted`	$0.84	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.37	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.26	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.54	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.18	USD	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	133.22M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	133.11M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	131.82M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	133.64M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	133.78M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	132.30M	shares	Annual
Dividends per common share (Note 9)	`CommonStockDividendsPerShareDeclared`	$0.69	USD	Annual
Dividends per common share (Note 9)	`CommonStockDividendsPerShareDeclared`	$0.41	USD	Annual
Dividends per common share (Note 9)	`CommonStockDividendsPerShareDeclared`	$0.58	USD	Annual

Cash Flow Statement 140 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$610.42M	USD	Annual
Net income	`ProfitLoss`	$665.04M	USD	Annual
Net income	`ProfitLoss`	$685.02M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$208.49M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$245.76M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$157.81M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$301.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$5.51M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$956.00K	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$1.46M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$1.67M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$2.00M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$9.26M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$10.20M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$6.97M	USD	Annual
Loss from disposition of fixed assets	`GainLossOnDispositionOfAssets`	$-4.18M	USD	Annual
Loss from disposition of fixed assets	`GainLossOnDispositionOfAssets`	$-5.04M	USD	Annual
Loss from disposition of fixed assets	`GainLossOnDispositionOfAssets`	$-10.89M	USD	Annual
Gain from sales of equity securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	$1.21M	USD	Annual
Gain from sales of equity securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	$-19.00K	USD	Annual
Gain from sales of equity securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	$3.80M	USD	Annual
Gain on acquisition, net of loss on the fair value remeasurement of preexisting equity interest	`BusinessCombinationBargainPurchaseGainNet`	-	USD	Annual
Gain on acquisition, net of loss on the fair value remeasurement of preexisting equity interest	`BusinessCombinationBargainPurchaseGainNet`	$21.05M	USD	Annual
Gain on acquisition, net of loss on the fair value remeasurement of preexisting equity interest	`BusinessCombinationBargainPurchaseGainNet`	-	USD	Annual
Impairment of equity method investment	`EquityMethodInvestmentOtherThanTemporaryImpairment`	-	USD	Annual
Impairment of equity method investment	`EquityMethodInvestmentOtherThanTemporaryImpairment`	$4.92M	USD	Annual
Impairment of equity method investment	`EquityMethodInvestmentOtherThanTemporaryImpairment`	$6.75M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$39.78M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$93.73M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$58.97M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$5.45M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$6.70M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$1.65M	USD	Annual
(Income) loss from equity method investments, net of dividends	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$632.00K	USD	Annual
(Income) loss from equity method investments, net of dividends	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$424.00K	USD	Annual
(Income) loss from equity method investments, net of dividends	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$-199.00K	USD	Annual
Other loss, net	`OtherOperatingActivitiesCashFlowStatement`	$372.00K	USD	Annual
Other loss, net	`OtherOperatingActivitiesCashFlowStatement`	$362.00K	USD	Annual
Other loss, net	`OtherOperatingActivitiesCashFlowStatement`	$1.49M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-62.72M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-33.16M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$14.83M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-99.43M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$46.63M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-51.09M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$475.00K	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$-7.46M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$4.26M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-97.24M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$13.82M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-21.60M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-15.15M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$74.99M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-7.64M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$4.86M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$60.09M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$2.61M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.03B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.08B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$752.73M	USD	Annual
Acquisition of business, net of cash acquired	`AcquisitionOfBusinessNetOfCashAcquired`	$-15.78M	USD	Annual
Acquisition of business, net of cash acquired	`AcquisitionOfBusinessNetOfCashAcquired`	$611.09M	USD	Annual
Acquisition of business, net of cash acquired	`AcquisitionOfBusinessNetOfCashAcquired`	$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`	$431.10M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$491.43M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$679.22M	USD	Annual
Construction of assets pending sale-leaseback	`PaymentsForConstructionOfAssetsPendingSaleLeaseback`	$136.00K	USD	Annual
Construction of assets pending sale-leaseback	`PaymentsForConstructionOfAssetsPendingSaleLeaseback`	-	USD	Annual
Construction of assets pending sale-leaseback	`PaymentsForConstructionOfAssetsPendingSaleLeaseback`	-	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$49.00K	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$151.00K	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$181.00K	USD	Annual
Proceeds from sale of equity method investments	`ProceedsFromSaleOfEquityMethodInvestments`	-	USD	Annual
Proceeds from sale of equity method investments	`ProceedsFromSaleOfEquityMethodInvestments`	-	USD	Annual
Proceeds from sale of equity method investments	`ProceedsFromSaleOfEquityMethodInvestments`	$27.86M	USD	Annual
Proceeds from repayment of loan acquired	`ProceedsFromRepaymentsofAcquiredLoan`	-	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 to affiliate	`ProceedsFromRepaymentsOfRelatedPartyDebt`	-	USD	Annual
Proceeds from repayment of loan to affiliate	`ProceedsFromRepaymentsOfRelatedPartyDebt`	$167.00K	USD	Annual
Proceeds from repayment of loan to affiliate	`ProceedsFromRepaymentsOfRelatedPartyDebt`	-	USD	Annual
Proceeds from sales and maturities of securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$342.05M	USD	Annual
Proceeds from sales and maturities of securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$48.90M	USD	Annual
Proceeds from sales and maturities of securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$252.52M	USD	Annual
Purchase of securities	`PaymentsToAcquireInvestments`	$605.10M	USD	Annual
Purchase of securities	`PaymentsToAcquireInvestments`	$117.33M	USD	Annual
Purchase of securities	`PaymentsToAcquireInvestments`	$367.15M	USD	Annual
Settlements of derivative instruments	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$1.83M	USD	Annual
Settlements of derivative instruments	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$2.25M	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`	$-1.01B	USD	Annual
Capitalized debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Capitalized debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$1.19M	USD	Annual
Capitalized debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$77.66M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$91.55M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$55.24M	USD	Annual
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$14.86M	USD	Annual
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	-	USD	Annual
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$2.20M	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`	-	USD	Annual
Net proceeds from issuance of Westlake Chemical Partners LP common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	$286.09M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$3.44M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$1.06M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$5.52M	USD	Annual
Proceeds from issuance of notes payable	`ProceedsFromNotesPayable`	$52.96M	USD	Annual
Proceeds from issuance of notes payable	`ProceedsFromNotesPayable`	-	USD	Annual
Proceeds from issuance of notes payable	`ProceedsFromNotesPayable`	-	USD	Annual
Repayment of notes payable	`RepaymentsOfNotesPayable`	$73.61M	USD	Annual
Repayment of notes payable	`RepaymentsOfNotesPayable`	-	USD	Annual
Repayment of notes payable	`RepaymentsOfNotesPayable`	-	USD	Annual
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$32.92M	USD	Annual
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$162.46M	USD	Annual
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$52.63M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$1.65M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$6.70M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$5.45M	USD	Annual
Net cash (used for) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-286.81M	USD	Annual
Net cash (used for) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-79.27M	USD	Annual
Net cash (used for) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$164.64M	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`	$-4.51M	USD	Annual
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashAndCashEquivalents`	$-3.92M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$419.30M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-218.08M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-328.78M	USD	Annual
Cash and cash equivalents at beginning of the year	`CashAndCashEquivalentsAtCarryingValue`	$662.52M	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 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 end of the year	`CashAndCashEquivalentsAtCarryingValue`	$662.52M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashAndCashEquivalentsAtCarryingValue`	$461.30M	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

Stockholders Equity 30 line items

Line Item	Tag	Value	Unit	Period
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.42B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.87B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.56B	USD	Point-in-time
Net income	`ProfitLoss`	$610.42M	USD	Annual
Net income	`ProfitLoss`	$665.04M	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`	$-49.86M	USD	Annual
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$32.92M	USD	Annual
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$163.14M	USD	Annual
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$52.63M	USD	Annual
Shares issued - stock based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.06M	USD	Annual
Shares issued - stock based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$5.52M	USD	Annual
Shares issued - stock based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$3.44M	USD	Annual
Stock-based compensation, net of tax on stock options exercised	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRequisiteServicePeriodRecognition`	$12.41M	USD	Annual
Stock-based compensation, net of tax on stock options exercised	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRequisiteServicePeriodRecognition`	$11.84M	USD	Annual
Stock-based compensation, net of tax on stock options exercised	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRequisiteServicePeriodRecognition`	$15.96M	USD	Annual
Dividends paid	`DividendsCommonStockCash`	$77.66M	USD	Annual
Dividends paid	`DividendsCommonStockCash`	$55.24M	USD	Annual
Dividends paid	`DividendsCommonStockCash`	$91.55M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$2.20M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$14.96M	USD	Annual
Issuance of Westlake Chemical Partners LP common units	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$1.60M	USD	Annual
Issuance of Westlake Chemical Partners LP common units	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$286.09M	USD	Annual
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.42B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.87B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.56B	USD	Point-in-time

Comprehensive Income 39 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$610.42M	USD	Annual
Net income	`ProfitLoss`	$665.04M	USD	Annual
Net income	`ProfitLoss`	$685.02M	USD	Annual
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$-12.97M	USD	Annual
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$-18.26M	USD	Annual
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$25.77M	USD	Annual
Settlement benefits	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax`	$355.00K	USD	Annual
Settlement benefits	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax`	-	USD	Annual
Settlement benefits	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax`	-	USD	Annual
Amortization of benefits liability	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-2.66M	USD	Annual
Amortization of benefits liability	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-924.00K	USD	Annual
Amortization of benefits liability	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-2.71M	USD	Annual
Income tax (provision) benefit on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-6.44M	USD	Annual
Income tax (provision) benefit on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$8.10M	USD	Annual
Income tax (provision) benefit on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-6.03M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-60.13M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-1.61M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-59.47M	USD	Annual
Unrealized holding gains on investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax`	$256.00K	USD	Annual
Unrealized holding gains on investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax`	$-4.36M	USD	Annual
Unrealized holding gains on investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax`	$1.30M	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`	$3.80M	USD	Annual
Reclassification of net realized loss (gains) to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-19.00K	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
Income tax (provision) benefit on available-for-sale investment	`OtherComprehensiveIncomeLossIncomeTaxProvisionBenefitOnAvailableForSaleInvestment`	$-2.93M	USD	Annual
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$8.22M	USD	Annual
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-49.86M	USD	Annual
Other comprehensive (loss) income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-76.82M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$618.65M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$608.20M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$615.19M	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`	$19.04M	USD	Annual
Comprehensive income attributable to noncontrolling interests, net of tax	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$618.65M	USD	Annual
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$596.15M	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.