10-Q Filing

WESTLAKE CORP CIK: 1262823 Q3 2018

Filing Information

Form Type	10-Q
Accession Number	`0001262823-18-000033`
Period End Date	20180930
Filing Date	20181106
Fiscal Year	2018
Fiscal Period	Q3
XBRL Instance	wlk-20180930.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 76 Income Statement 72 Cash Flow Statement 71 Stockholders Equity 27 Comprehensive Income 40

Balance Sheet 76 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$788.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.53B	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.00B	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.24B	USD	Point-in-time
Inventories	`InventoryNet`	$900.00M	USD	Point-in-time
Inventories	`InventoryNet`	$939.00M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$36.00M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$31.00M	USD	Point-in-time
Preferred stock, par value, in dollars per share	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Total current assets	`AssetsCurrent`	$3.46B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$3.00B	USD	Point-in-time
Preferred stock, par value, in dollars per share	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.41B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.52B	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
Goodwill	`Goodwill`	$1.01B	USD	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
Goodwill	`Goodwill`	$1.01B	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Customer relationships, net	`FiniteLivedIntangibleAssetsNet`	$616.00M	USD	Point-in-time
Customer relationships, net	`FiniteLivedIntangibleAssetsNet`	$550.00M	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Common stock, par value, in dollars per share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Other intangible assets, net	`OtherIntangibleAssetsNet`	$161.00M	USD	Point-in-time
Common stock, par value, in dollars per share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Other intangible assets, net	`OtherIntangibleAssetsNet`	$141.00M	USD	Point-in-time
Other assets, net	`DeferredCostsAndOtherAssets`	$499.00M	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
Other assets, net	`DeferredCostsAndOtherAssets`	$412.00M	USD	Point-in-time
Total assets	`Assets`	$12.08B	USD	Point-in-time
Total assets	`Assets`	$11.72B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$600.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$626.00M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$675.00M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$657.00M	USD	Point-in-time
Current portion of long-term debt, net	`LongTermDebtCurrent`	$710.00M	USD	Point-in-time
Current portion of long-term debt, net	`LongTermDebtCurrent`	-	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.30B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.97B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$3.13B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$2.67B	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$1.11B	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$1.18B	USD	Point-in-time
Pension and other post-retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$344.00M	USD	Point-in-time
Pension and other post-retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$303.00M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$158.00M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$178.00M	USD	Point-in-time
Total liabilities	`Liabilities`	$5.63B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.71B	USD	Point-in-time
Preferred stock, $0.01 par value, 50,000,000 shares authorized; no shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value, 50,000,000 shares authorized; no shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $0.01 par value, 300,000,000 shares authorized; 134,651,380 and 134,651,380 shares issued at September 30, 2018 and December 31, 2017, respectively	`CommonStockValue`	$1.00M	USD	Point-in-time
Common stock, $0.01 par value, 300,000,000 shares authorized; 134,651,380 and 134,651,380 shares issued at September 30, 2018 and December 31, 2017, respectively	`CommonStockValue`	$1.00M	USD	Point-in-time
Common stock, held in treasury, at cost; 5,486,164 and 5,232,875 shares at September 30, 2018 and December 31, 2017, respectively	`TreasuryStockValue`	$302.00M	USD	Point-in-time
Common stock, held in treasury, at cost; 5,486,164 and 5,232,875 shares at September 30, 2018 and December 31, 2017, respectively	`TreasuryStockValue`	$337.00M	USD	Point-in-time
Additional Paid in Capital	`AdditionalPaidInCapitalCommonStock`	$555.00M	USD	Point-in-time
Additional Paid in Capital	`AdditionalPaidInCapitalCommonStock`	$562.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.40B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$4.61B	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-24.00M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-121.00M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-13.00M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$7.00M	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$5.60B	USD	Point-in-time
Total Westlake Chemical Corporation stockholders' equity	`StockholdersEquity`	$4.87B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$495.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$486.00M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.37B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.09B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.89B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.55B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$12.08B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$11.72B	USD	Point-in-time

Income Statement 72 line items

Line Item	Tag	Value	Unit	Period
Net sales	`Revenues`	$6.64B	USD	3 Qtrs
Net sales	`Revenues`	$6.03B	USD	3 Qtrs
Net sales	`Revenues`	$2.11B	USD	1 Quarter
Net sales	`Revenues`	$2.25B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$4.77B	USD	3 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$5.01B	USD	3 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$1.61B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$1.72B	USD	1 Quarter
Gross profit	`GrossProfit`	$1.26B	USD	3 Qtrs
Gross profit	`GrossProfit`	$1.63B	USD	3 Qtrs
Gross profit	`GrossProfit`	$496.00M	USD	1 Quarter
Gross profit	`GrossProfit`	$539.00M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$337.00M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$98.00M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$298.00M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$114.00M	USD	1 Quarter
Amortization of Intangibles	`AmortizationOfIntangibleAssets`	$24.00M	USD	1 Quarter
Amortization of Intangibles	`AmortizationOfIntangibleAssets`	$82.00M	USD	3 Qtrs
Amortization of Intangibles	`AmortizationOfIntangibleAssets`	$75.00M	USD	3 Qtrs
Amortization of Intangibles	`AmortizationOfIntangibleAssets`	$27.00M	USD	1 Quarter
Transaction and integration-related costs	`BusinessCombinationIntegrationRelatedCosts`	$7.00M	USD	1 Quarter
Transaction and integration-related costs	`BusinessCombinationIntegrationRelatedCosts`	$23.00M	USD	3 Qtrs
Transaction and integration-related costs	`BusinessCombinationIntegrationRelatedCosts`	$5.00M	USD	1 Quarter
Transaction and integration-related costs	`BusinessCombinationIntegrationRelatedCosts`	$20.00M	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$1.20B	USD	3 Qtrs
Income (loss) from operations	`OperatingIncomeLoss`	$396.00M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$364.00M	USD	1 Quarter
Income (loss) from operations	`OperatingIncomeLoss`	$862.00M	USD	3 Qtrs
Interest expense	`InterestExpense`	$40.00M	USD	1 Quarter
Interest expense	`InterestExpense`	$28.00M	USD	1 Quarter
Interest expense	`InterestExpense`	$96.00M	USD	3 Qtrs
Interest expense	`InterestExpense`	$119.00M	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$23.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$53.00M	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$4.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$13.00M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$391.00M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.16B	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$756.00M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$328.00M	USD	1 Quarter
Provision for income taxes	`IncomeTaxExpenseBenefit`	$233.00M	USD	3 Qtrs
Provision for income taxes	`IncomeTaxExpenseBenefit`	$73.00M	USD	1 Quarter
Provision for income taxes	`IncomeTaxExpenseBenefit`	$255.00M	USD	3 Qtrs
Provision for income taxes	`IncomeTaxExpenseBenefit`	$109.00M	USD	1 Quarter
Net income	`ProfitLoss`	$903.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$318.00M	USD	1 Quarter
Net income	`ProfitLoss`	$219.00M	USD	1 Quarter
Net income	`ProfitLoss`	$523.00M	USD	3 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$30.00M	USD	3 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$21.00M	USD	3 Qtrs
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$308.00M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$502.00M	USD	3 Qtrs
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$211.00M	USD	1 Quarter
Net income attributable to Westlake Chemical Corporation	`NetIncomeLoss`	$873.00M	USD	3 Qtrs
Basic (usd per share)	`EarningsPerShareBasic`	$3.87	USD	3 Qtrs
Basic (usd per share)	`EarningsPerShareBasic`	$1.62	USD	1 Quarter
Basic (usd per share)	`EarningsPerShareBasic`	$2.36	USD	1 Quarter
Basic (usd per share)	`EarningsPerShareBasic`	$6.70	USD	3 Qtrs
Diluted (usd per share)	`EarningsPerShareDiluted`	$2.35	USD	1 Quarter
Diluted (usd per share)	`EarningsPerShareDiluted`	$1.61	USD	1 Quarter
Diluted (usd per share)	`EarningsPerShareDiluted`	$3.85	USD	3 Qtrs
Diluted (usd per share)	`EarningsPerShareDiluted`	$6.67	USD	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	129.07M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	129.43M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	129.51M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	129.03M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	130.18M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	129.79M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	129.89M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	130.05M	shares	1 Quarter

Cash Flow Statement 71 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$903.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$318.00M	USD	1 Quarter
Net income	`ProfitLoss`	$219.00M	USD	1 Quarter
Net income	`ProfitLoss`	$523.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$154.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$161.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$449.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$473.00M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$17.00M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$16.00M	USD	3 Qtrs
Loss from disposition of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-14.00M	USD	3 Qtrs
Loss from disposition of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-26.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$23.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$74.00M	USD	3 Qtrs
Other gains, net	`OtherOperatingActivitiesCashFlowStatement`	$-3.00M	USD	3 Qtrs
Other gains, net	`OtherOperatingActivitiesCashFlowStatement`	$-20.00M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$185.00M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$252.00M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$42.00M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$-24.00M	USD	3 Qtrs
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$3.00M	USD	3 Qtrs
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$-17.00M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$36.00M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$61.00M	USD	3 Qtrs
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$57.00M	USD	3 Qtrs
Accrued liabilities	`IncreaseDecreaseInAccruedLiabilities`	$9.00M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$35.00M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$65.00M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$962.00M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.16B	USD	3 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$133.00M	USD	1 Quarter
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$414.00M	USD	3 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$195.00M	USD	1 Quarter
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$507.00M	USD	3 Qtrs
Additions to investments in unconsolidated subsidiaries	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	$47.00M	USD	3 Qtrs
Additions to investments in unconsolidated subsidiaries	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	$63.00M	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-1.00M	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-9.00M	USD	3 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-561.00M	USD	3 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-460.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$76.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$87.00M	USD	3 Qtrs
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$37.00M	USD	3 Qtrs
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$21.00M	USD	3 Qtrs
Proceeds from notes payable and drawdown of revolver	`ProceedsFromLongTermLinesOfCredit`	$11.00M	USD	3 Qtrs
Proceeds from notes payable and drawdown of revolver	`ProceedsFromLongTermLinesOfCredit`	$231.00M	USD	3 Qtrs
Net proceeds from issuance of Westlake Chemical Partners LP common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	$111.00M	USD	3 Qtrs
Net proceeds from issuance of Westlake Chemical Partners LP common units	`ProceedsFromIssuanceOfCommonLimitedPartnersUnits`	-	USD	3 Qtrs
Repayment of term loan	`RepaymentsOfShortTermDebt`	$150.00M	USD	3 Qtrs
Repayment of term loan	`RepaymentsOfShortTermDebt`	-	USD	3 Qtrs
Repayment of revolver	`RepaymentsOfLinesOfCredit`	-	USD	3 Qtrs
Repayment of revolver	`RepaymentsOfLinesOfCredit`	$550.00M	USD	3 Qtrs
Redemption and repayment of notes payable	`RepaymentsOfNotesPayable`	$7.00M	USD	3 Qtrs
Redemption and repayment of notes payable	`RepaymentsOfNotesPayable`	$1.18B	USD	3 Qtrs
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$49.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$2.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$8.00M	USD	3 Qtrs
Net cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-460.00M	USD	3 Qtrs
Net cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.33B	USD	3 Qtrs
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$-6.00M	USD	3 Qtrs
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$22.00M	USD	3 Qtrs
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$64.00M	USD	3 Qtrs
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-743.00M	USD	3 Qtrs
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$710.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$811.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$646.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.55B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$710.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$811.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$646.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.55B	USD	Point-in-time

Stockholders Equity 27 line items

Line Item	Tag	Value	Unit	Period
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.37B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.09B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.89B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.55B	USD	Point-in-time
Cumulative effect of accounting change	`CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption`	$1.00M	USD	Point-in-time
Net income	`ProfitLoss`	$903.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$318.00M	USD	1 Quarter
Net income	`ProfitLoss`	$219.00M	USD	1 Quarter
Net income	`ProfitLoss`	$523.00M	USD	3 Qtrs
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$9.00M	USD	1 Quarter
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-33.00M	USD	3 Qtrs
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$40.00M	USD	1 Quarter
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$110.00M	USD	3 Qtrs
Common Stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$49.00M	USD	3 Qtrs
Shares issuedstock- based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$8.00M	USD	3 Qtrs
Shares issuedstock- based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.00M	USD	3 Qtrs
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$10.00M	USD	3 Qtrs
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$13.00M	USD	3 Qtrs
Dividends declared	`DividendsCommonStockCash`	$87.00M	USD	3 Qtrs
Dividends declared	`DividendsCommonStockCash`	$76.00M	USD	3 Qtrs
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$21.00M	USD	3 Qtrs
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$37.00M	USD	3 Qtrs
Issuance of Westlake Chemical Partners LP common units	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$111.00M	USD	3 Qtrs
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.37B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.09B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.89B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.55B	USD	Point-in-time

Comprehensive Income 40 line items

Line Item	Tag	Value	Unit	Period
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$1.00M	USD	1 Quarter
Net income	`ProfitLoss`	$903.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$318.00M	USD	1 Quarter
Net income	`ProfitLoss`	$219.00M	USD	1 Quarter
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$2.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$523.00M	USD	3 Qtrs
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$1.00M	USD	1 Quarter
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$3.00M	USD	3 Qtrs
Pension and other post-retirement benefits reserves adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$-12.00M	USD	3 Qtrs
Pension and other post-retirement benefits reserves adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$-2.00M	USD	3 Qtrs
Pension and other post-retirement benefits reserves adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$-1.00M	USD	1 Quarter
Pension and other post-retirement benefits reserves adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax`	$-12.00M	USD	1 Quarter
Income tax provision on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-3.00M	USD	3 Qtrs
Income tax provision on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-1.00M	USD	3 Qtrs
Income tax provision on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-3.00M	USD	1 Quarter
Income tax provision on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-1.00M	USD	1 Quarter
Foreign currency translation	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Foreign currency translation	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-43.00M	USD	3 Qtrs
Foreign currency translation	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$111.00M	USD	3 Qtrs
Foreign currency translation	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$40.00M	USD	1 Quarter
Income tax benefit (provision) on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$2.00M	USD	3 Qtrs
Income tax benefit (provision) on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	-	USD	1 Quarter
Income tax benefit (provision) on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$-1.00M	USD	3 Qtrs
Income tax benefit (provision) on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	-	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$9.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-33.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$40.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$110.00M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$870.00M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$327.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$259.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$633.00M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests, net of tax of $1 for the three months ended September 30, 2018 and 2017; and net of tax of $3 and $2 for the nine months ended September 30, 2018 and 2017, respectively.	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$8.00M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests, net of tax of $1 for the three months ended September 30, 2018 and 2017; and net of tax of $3 and $2 for the nine months ended September 30, 2018 and 2017, respectively.	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$23.00M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests, net of tax of $1 for the three months ended September 30, 2018 and 2017; and net of tax of $3 and $2 for the nine months ended September 30, 2018 and 2017, respectively.	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$28.00M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests, net of tax of $1 for the three months ended September 30, 2018 and 2017; and net of tax of $3 and $2 for the nine months ended September 30, 2018 and 2017, respectively.	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$10.00M	USD	1 Quarter
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$610.00M	USD	3 Qtrs
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$842.00M	USD	3 Qtrs
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$251.00M	USD	1 Quarter
Comprehensive income attributable to Westlake Chemical Corporation	`ComprehensiveIncomeNetOfTax`	$317.00M	USD	1 Quarter

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