10-K Filing

WESTLAKE CORP CIK: 1262823 FY 2016

Filing Information

Form Type	10-K
Accession Number	`0001262823-17-000008`
Period End Date	20161231
Filing Date	20170222
Fiscal Year	2016
Fiscal Period	FY
XBRL Instance	wlk-20161231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 90 Income Statement 110 Cash Flow Statement 154 Stockholders Equity 41 Comprehensive Income 53

Balance Sheet 90 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
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	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
Common stock, par value per share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value per share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value per share (in dollars 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`	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 issued	`CommonStockSharesIssued`	134.65M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	134.66M	shares	Point-in-time
Common stock, held in treasury	`TreasuryStockShares`	5.73M	shares	Point-in-time
Common stock, held in treasury	`TreasuryStockShares`	4.44M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$459.45M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$461.30M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$662.52M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$880.60M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$520.14M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	-	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$508.53M	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$938.74M	USD	Point-in-time
Inventories	`InventoryNet`	$434.06M	USD	Point-in-time
Inventories	`InventoryNet`	$801.10M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$14.49M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$48.49M	USD	Point-in-time
Restricted cash	`RestrictedCashAndInvestmentsCurrent`	-	USD	Point-in-time
Restricted cash	`RestrictedCashAndInvestmentsCurrent`	$160.53M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	-	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$35.44M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.41B	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`	$6.42B	USD	Point-in-time
Goodwill	`Goodwill`	$62.02M	USD	Point-in-time
Goodwill	`Goodwill`	$62.02M	USD	Point-in-time
Goodwill	`Goodwill`	$946.55M	USD	Point-in-time
Deferred charges and other assets, net	`DeferredCostsAndOtherAssets`	$176.62M	USD	Point-in-time
Deferred charges and other assets, net	`DeferredCostsAndOtherAssets`	$327.87M	USD	Point-in-time
Total other assets, net	`OtherAssetsNoncurrent`	$2.06B	USD	Point-in-time
Total other assets, net	`OtherAssetsNoncurrent`	$390.03M	USD	Point-in-time
Total assets	`Assets`	$5.57B	USD	Point-in-time
Total assets	`Assets`	$10.89B	USD	Point-in-time
Accounts and notes payable	`AccountsPayableCurrent`	$235.33M	USD	Point-in-time
Accounts and notes payable	`AccountsPayableCurrent`	$496.26M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$537.48M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$287.31M	USD	Point-in-time
Term loan	`ShortTermBorrowings`	-	USD	Point-in-time
Term loan	`ShortTermBorrowings`	$149.34M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.18B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$522.64M	USD	Point-in-time
Long-term debt, net	`LongTermDebt`	$3.68B	USD	Point-in-time
Long-term debt, net	`LongTermDebt`	$758.15M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$575.60M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$1.65B	USD	Point-in-time
Pension and other post-retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$364.82M	USD	Point-in-time
Pension and other post-retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$122.82M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$121.08M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$28.14M	USD	Point-in-time
Total liabilities	`Liabilities`	$2.01B	USD	Point-in-time
Total liabilities	`Liabilities`	$7.00B	USD	Point-in-time
Commitments and contingencies (Notes 9, 10 and 23)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Notes 9, 10 and 23)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, $0.01 par value, 50,000,000 shares authorized; no shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value, 50,000,000 shares authorized; no shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $0.01 par value, 300,000,000 shares authorized; 134,651,380 and 134,663,244 shares issued at December 31, 2016 and 2015, respectively (Note 11)	`CommonStockValue`	$1.35M	USD	Point-in-time
Common stock, $0.01 par value, 300,000,000 shares authorized; 134,651,380 and 134,663,244 shares issued at December 31, 2016 and 2015, respectively (Note 11)	`CommonStockValue`	$1.35M	USD	Point-in-time
Common stock, held in treasury, at cost; 5,726,377 and 4,444,898 shares at December 31, 2016 and 2015, respectively (Note 11)	`TreasuryStockValue`	$258.31M	USD	Point-in-time
Common stock, held in treasury, at cost; 5,726,377 and 4,444,898 shares at December 31, 2016 and 2015, respectively (Note 11)	`TreasuryStockValue`	$319.34M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$550.64M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$542.15M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.11B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.41B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-121.31M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-129.29M	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$3.27B	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$3.52B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$296.05M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$368.42M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.89B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.42B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.56B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$5.57B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$10.89B	USD	Point-in-time

Income Statement 110 line items

Line Item	Tag	Value	Unit	Period
Net sales	`SalesRevenueNet`	$1.19B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$975.19M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$5.08B	USD	Annual
Net sales	`SalesRevenueNet`	$1.10B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.19B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$4.46B	USD	Annual
Net sales	`SalesRevenueNet`	$986.77M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$4.42B	USD	Annual
Net sales	`SalesRevenueNet`	$1.28B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.09B	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.74B	USD	1 Quarter
Cost of sales	`CostOfGoodsSold`	$3.28B	USD	Annual
Cost of sales	`CostOfGoodsSold`	$3.10B	USD	Annual
Cost of sales	`CostOfGoodsSold`	$4.09B	USD	Annual
Gross profit	`GrossProfit`	$311.28M	USD	1 Quarter
Gross profit	`GrossProfit`	$236.19M	USD	1 Quarter
Gross profit	`GrossProfit`	$284.55M	USD	1 Quarter
Gross profit	`GrossProfit`	$980.56M	USD	Annual
Gross profit	`GrossProfit`	$353.18M	USD	1 Quarter
Gross profit	`GrossProfit`	$241.37M	USD	1 Quarter
Gross profit	`GrossProfit`	$1.32B	USD	Annual
Gross profit	`GrossProfit`	$1.19B	USD	Annual
Gross profit	`GrossProfit`	$281.48M	USD	1 Quarter
Gross profit	`GrossProfit`	$255.59M	USD	1 Quarter
Gross profit	`GrossProfit`	$202.13M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$183.75M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$295.44M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$225.36M	USD	Annual
Transaction and integration-related costs	`BusinessCombinationIntegrationRelatedCosts`	$103.67M	USD	Annual
Transaction and integration-related costs	`BusinessCombinationIntegrationRelatedCosts`	$9.61M	USD	Annual
Transaction and integration-related costs	`BusinessCombinationIntegrationRelatedCosts`	-	USD	Annual
Income from operations	`OperatingIncomeLoss`	$46.56M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$181.15M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$959.83M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$581.45M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$254.03M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$295.37M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$1.12B	USD	Annual
Income from operations	`OperatingIncomeLoss`	$202.28M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$179.94M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$152.68M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$229.28M	USD	1 Quarter
Interest expense	`InterestExpense`	$79.47M	USD	Annual
Interest expense	`InterestExpense`	$37.35M	USD	Annual
Interest expense	`InterestExpense`	$34.66M	USD	Annual
Other income (expense), net	`NonoperatingIncomeExpense`	$38.27M	USD	Annual
Other income (expense), net	`NonoperatingIncomeExpense`	$56.40M	USD	Annual
Other income (expense), net	`NonoperatingIncomeExpense`	$-2.72M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$963.44M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.08B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$558.38M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$398.90M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$138.52M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$298.40M	USD	Annual
Net income	`ProfitLoss`	$116.16M	USD	1 Quarter
Net income	`ProfitLoss`	$685.02M	USD	Annual
Net income	`ProfitLoss`	$115.62M	USD	1 Quarter
Net income	`ProfitLoss`	$150.41M	USD	1 Quarter
Net income	`ProfitLoss`	$128.94M	USD	1 Quarter
Net income	`ProfitLoss`	$70.01M	USD	1 Quarter
Net income	`ProfitLoss`	$105.29M	USD	1 Quarter
Net income	`ProfitLoss`	$665.04M	USD	Annual
Net income	`ProfitLoss`	$419.86M	USD	Annual
Net income	`ProfitLoss`	$188.42M	USD	1 Quarter
Net income	`ProfitLoss`	$210.06M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$6.49M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$21.00M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$19.04M	USD	Annual
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$398.86M	USD	Annual
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$111.12M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$98.94M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$678.52M	USD	Annual
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$646.01M	USD	Annual
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$183.60M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$146.34M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$65.66M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$123.13M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$205.09M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$110.97M	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.55	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.85	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$5.09	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.94	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.39	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.85	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.51	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.88	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.07	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.76	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.10	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.06	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.94	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.85	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.51	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$5.07	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.76	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.39	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.86	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.54	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.84	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.10	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	133.11M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	131.82M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	129.37M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	133.64M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	132.30M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	129.97M	shares	Annual
Dividends per common share (Note 11) (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.74	USD	Annual
Dividends per common share (Note 11) (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.58	USD	Annual
Dividends per common share (Note 11) (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.69	USD	Annual

Cash Flow Statement 154 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$116.16M	USD	1 Quarter
Net income	`ProfitLoss`	$685.02M	USD	Annual
Net income	`ProfitLoss`	$115.62M	USD	1 Quarter
Net income	`ProfitLoss`	$150.41M	USD	1 Quarter
Net income	`ProfitLoss`	$128.94M	USD	1 Quarter
Net income	`ProfitLoss`	$70.01M	USD	1 Quarter
Net income	`ProfitLoss`	$105.29M	USD	1 Quarter
Net income	`ProfitLoss`	$665.04M	USD	Annual
Net income	`ProfitLoss`	$419.86M	USD	Annual
Net income	`ProfitLoss`	$188.42M	USD	1 Quarter
Net income	`ProfitLoss`	$210.06M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$208.49M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$377.67M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$245.76M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$956.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$301.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$4.09M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$1.67M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$2.00M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$3.16M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$14.19M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$9.26M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$10.20M	USD	Annual
Loss from disposition of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-10.89M	USD	Annual
Loss from disposition of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-4.18M	USD	Annual
Loss from disposition of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-8.63M	USD	Annual
Gains realized on previously held shares of Axiall common stock and from sales of securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	$53.75M	USD	Annual
Gains realized on previously held shares of Axiall common stock and from sales of securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	$3.80M	USD	Annual
Gains realized on previously held shares of Axiall common stock and from sales of securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	$1.21M	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
Gain on acquisition, net of loss on the fair value remeasurement of preexisting equity interest	`BusinessCombinationBargainPurchaseGainNet`	-	USD	Annual
Impairment of equity method investments	`EquityMethodInvestmentOtherThanTemporaryImpairment`	$4.92M	USD	Annual
Impairment of equity method investments	`EquityMethodInvestmentOtherThanTemporaryImpairment`	-	USD	Annual
Impairment of equity method investments	`EquityMethodInvestmentOtherThanTemporaryImpairment`	$6.75M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$100.68M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$58.97M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$39.78M	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
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$2.62M	USD	Annual
Loss (income) from equity method investments, net of dividends	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$632.00K	USD	Annual
Loss (income) from equity method investments, net of dividends	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$-1.50M	USD	Annual
Loss (income) from equity method investments, net of dividends	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$424.00K	USD	Annual
Other (gains) losses, net	`OtherOperatingActivitiesCashFlowStatement`	$1.49M	USD	Annual
Other (gains) losses, net	`OtherOperatingActivitiesCashFlowStatement`	$362.00K	USD	Annual
Other (gains) losses, net	`OtherOperatingActivitiesCashFlowStatement`	$-1.05M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-50.29M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-33.16M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-62.72M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-51.09M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-99.43M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$61.98M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$-11.37M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$4.26M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$-7.46M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$11.95M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-21.60M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-97.24M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$74.99M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-7.64M	USD	Annual
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$48.32M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$2.61M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$4.86M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$98.44M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.08B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.03B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$833.85M	USD	Annual
Acquisition of business, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$2.44B	USD	Annual
Acquisition of business, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$-15.78M	USD	Annual
Acquisition of business, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$611.09M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$491.43M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$431.10M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$628.48M	USD	Annual
Additions to cost method investment	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	Annual
Additions to cost method investment	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	$17.00M	USD	Annual
Additions to cost method investment	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$181.00K	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$1.21M	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$49.00K	USD	Annual
Proceeds from disposition of equity method investment	`ProceedsFromSaleOfEquityMethodInvestments`	$27.86M	USD	Annual
Proceeds from disposition of equity method investment	`ProceedsFromSaleOfEquityMethodInvestments`	-	USD	Annual
Proceeds from disposition of equity method investment	`ProceedsFromSaleOfEquityMethodInvestments`	-	USD	Annual
Proceeds from repayment of loan acquired	`ProceedsFromRepaymentsOfRelatedPartyDebt`	$45.92M	USD	Annual
Proceeds from repayment of loan acquired	`ProceedsFromRepaymentsOfRelatedPartyDebt`	-	USD	Annual
Proceeds from repayment of loan acquired	`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`	$662.94M	USD	Annual
Purchase of securities	`PaymentsToAcquireInvestments`	$605.10M	USD	Annual
Purchase of securities	`PaymentsToAcquireInvestments`	$138.42M	USD	Annual
Purchase of securities	`PaymentsToAcquireInvestments`	$117.33M	USD	Annual
Settlements of derivative instruments	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$5.21M	USD	Annual
Settlements of derivative instruments	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$2.25M	USD	Annual
Settlements of derivative instruments	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$1.83M	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.56B	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-773.21M	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.01B	USD	Annual
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$35.77M	USD	Annual
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$1.19M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$96.56M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$77.66M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$91.55M	USD	Annual
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$2.20M	USD	Annual
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$16.64M	USD	Annual
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$14.86M	USD	Annual
Proceeds from senior notes issuance	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from senior notes issuance	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from senior notes issuance	`ProceedsFromIssuanceOfLongTermDebt`	$1.43B	USD	Annual
Proceeds from term loan and drawdown of revolver	`ProceedsFromLongTermLinesOfCredit`	-	USD	Annual
Proceeds from term loan and drawdown of revolver	`ProceedsFromLongTermLinesOfCredit`	$600.00M	USD	Annual
Proceeds from term loan and drawdown of revolver	`ProceedsFromLongTermLinesOfCredit`	-	USD	Annual
Net proceeds from WLKP LP common stock units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	-	USD	Annual
Net proceeds from WLKP LP common stock units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	-	USD	Annual
Net proceeds from WLKP LP common stock units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	$286.09M	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 exercise of stock options	`ProceedsFromStockOptionsExercised`	$2.18M	USD	Annual
Restricted cash associated with term loan	`IncreaseDecreaseInRestrictedCash`	-	USD	Annual
Restricted cash associated with term loan	`IncreaseDecreaseInRestrictedCash`	-	USD	Annual
Restricted cash associated with term loan	`IncreaseDecreaseInRestrictedCash`	$154.00M	USD	Annual
Repayment of revolver	`RepaymentsOfLinesOfCredit`	$125.00M	USD	Annual
Repayment of revolver	`RepaymentsOfLinesOfCredit`	-	USD	Annual
Repayment of revolver	`RepaymentsOfLinesOfCredit`	-	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`	$8.32M	USD	Annual
Repayment of notes payable	`RepaymentsOfNotesPayable`	$73.61M	USD	Annual
Repayment of notes payable	`RepaymentsOfNotesPayable`	-	USD	Annual
Repayment of notes payable	`RepaymentsOfNotesPayable`	$13.05M	USD	Annual
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$162.46M	USD	Annual
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$67.41M	USD	Annual
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$52.63M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$2.62M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$6.70M	USD	Annual
Windfall tax benefits from share-based payment arrangements	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$1.65M	USD	Annual
Net cash provided (used for) by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$164.64M	USD	Annual
Net cash provided (used for) by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.53B	USD	Annual
Net cash provided (used for) by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-286.81M	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`	$-7.34M	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`	$-203.07M	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
Cash and cash equivalents at beginning of the year	`CashAndCashEquivalentsAtCarryingValue`	$459.45M	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`	$662.52M	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`	$459.45M	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`	$662.52M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashAndCashEquivalentsAtCarryingValue`	$880.60M	USD	Point-in-time

Stockholders Equity 41 line items

Line Item	Tag	Value	Unit	Period
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.89B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.42B	USD	Point-in-time
Total equity, beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.56B	USD	Point-in-time
Net income	`ProfitLoss`	$116.16M	USD	1 Quarter
Net income	`ProfitLoss`	$685.02M	USD	Annual
Net income	`ProfitLoss`	$115.62M	USD	1 Quarter
Net income	`ProfitLoss`	$150.41M	USD	1 Quarter
Net income	`ProfitLoss`	$128.94M	USD	1 Quarter
Net income	`ProfitLoss`	$70.01M	USD	1 Quarter
Net income	`ProfitLoss`	$105.29M	USD	1 Quarter
Net income	`ProfitLoss`	$665.04M	USD	Annual
Net income	`ProfitLoss`	$419.86M	USD	Annual
Net income	`ProfitLoss`	$188.42M	USD	1 Quarter
Net income	`ProfitLoss`	$210.06M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-76.82M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-49.86M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$7.99M	USD	Annual
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$163.14M	USD	Annual
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$52.63M	USD	Annual
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$66.73M	USD	Annual
Shares issuedstock- based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$5.52M	USD	Annual
Shares issuedstock- based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$7.73M	USD	Annual
Shares issuedstock- based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.06M	USD	Annual
Stock-based compensation, net of tax on stock options exercised (in shares)	`StockIssuedDuringPeriodSharesStockOptionsExercised`	112,611.00	shares	Annual
Stock-based compensation, net of tax on stock options exercised	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$11.84M	USD	Annual
Stock-based compensation, net of tax on stock options exercised	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$15.96M	USD	Annual
Stock-based compensation, net of tax on stock options exercised	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$6.46M	USD	Annual
Dividends paid	`DividendsCommonStockCash`	$77.66M	USD	Annual
Dividends paid	`DividendsCommonStockCash`	$91.55M	USD	Annual
Dividends paid	`DividendsCommonStockCash`	$96.56M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$16.64M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$14.96M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$2.20M	USD	Annual
Noncontrolling interest in acquired business	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$1.60M	USD	Annual
Noncontrolling interest in acquired business	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$286.09M	USD	Annual
Noncontrolling interest in acquired business	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$68.00M	USD	Annual
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.89B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.42B	USD	Point-in-time
Total equity, ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.56B	USD	Point-in-time

Comprehensive Income 53 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$116.16M	USD	1 Quarter
Net income	`ProfitLoss`	$685.02M	USD	Annual
Net income	`ProfitLoss`	$115.62M	USD	1 Quarter
Comprehensive income (loss) including portion attributable to noncontrolling interest, tax	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	-	USD	Annual
Net income	`ProfitLoss`	$150.41M	USD	1 Quarter
Net income	`ProfitLoss`	$128.94M	USD	1 Quarter
Net income	`ProfitLoss`	$70.01M	USD	1 Quarter
Net income	`ProfitLoss`	$105.29M	USD	1 Quarter
Net income	`ProfitLoss`	$665.04M	USD	Annual
Net income	`ProfitLoss`	$419.86M	USD	Annual
Net income	`ProfitLoss`	$188.42M	USD	1 Quarter
Net income	`ProfitLoss`	$210.06M	USD	1 Quarter
Comprehensive income (loss) including portion attributable to noncontrolling interest, tax	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	-	USD	Annual
Comprehensive income (loss) including portion attributable to noncontrolling interest, tax	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$279.00K	USD	Annual
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$25.77M	USD	Annual
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$-59.55M	USD	Annual
Pension and other post-retirement reserves adjustment (excluding amortization)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$-18.26M	USD	Annual
Curtailment	`OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansCurtailmentsArisingDuringPeriodNetofTax`	-	USD	Annual
Curtailment	`OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansCurtailmentsArisingDuringPeriodNetofTax`	-	USD	Annual
Curtailment	`OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansCurtailmentsArisingDuringPeriodNetofTax`	$-364.00K	USD	Annual
Settlement benefits	`OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansSettlementBenefitsArisingDuringPeriodNetofTax`	-	USD	Annual
Settlement benefits	`OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansSettlementBenefitsArisingDuringPeriodNetofTax`	$-371.00K	USD	Annual
Settlement benefits	`OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansSettlementBenefitsArisingDuringPeriodNetofTax`	$-355.00K	USD	Annual
Amortization of benefits liability	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-1.43M	USD	Annual
Amortization of benefits liability	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-924.00K	USD	Annual
Amortization of benefits liability	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-2.66M	USD	Annual
Income tax (provision) benefit on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-24.16M	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`	$-6.44M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-60.13M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-34.51M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-59.47M	USD	Annual
Unrealized holding gains on investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax`	$61.44M	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 gains to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$3.80M	USD	Annual
Reclassification of net realized gains to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$1.21M	USD	Annual
Reclassification of net realized gains to net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$53.72M	USD	Annual
Income tax benefit (provision) on available-for-sale investments	`OtherComprehensiveIncomeLossIncomeTaxProvisionBenefitOnAvailableForSaleInvestment`	$32.00K	USD	Annual
Income tax benefit (provision) on available-for-sale investments	`OtherComprehensiveIncomeLossIncomeTaxProvisionBenefitOnAvailableForSaleInvestment`	$-2.93M	USD	Annual
Income tax benefit (provision) on available-for-sale investments	`OtherComprehensiveIncomeLossIncomeTaxProvisionBenefitOnAvailableForSaleInvestment`	$2.77M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-76.82M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-49.86M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$7.99M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$615.19M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$427.85M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$608.20M	USD	Annual
Comprehensive income attributable to noncontrolling interests, net of tax of $279 for 2016 and $0 for 2015 and 2014	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$21.00M	USD	Annual
Comprehensive income attributable to noncontrolling interests, net of tax of $279 for 2016 and $0 for 2015 and 2014	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$6.49M	USD	Annual
Comprehensive income attributable to noncontrolling interests, net of tax of $279 for 2016 and $0 for 2015 and 2014	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$19.04M	USD	Annual
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$601.71M	USD	Annual
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$596.15M	USD	Annual
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$406.85M	USD	Annual

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