10-Q Filing

WESTLAKE CORP CIK: 1262823 Q3 2023

Filing Information

Form Type	10-Q
Accession Number	`0001262823-23-000042`
Period End Date	20230930
Filing Date	20231102
Fiscal Year	2023
Fiscal Period	Q3
XBRL Instance	wlk-20230930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 86 Income Statement 76 Cash Flow Statement 76 Stockholders Equity 62 Comprehensive Income 48

Balance Sheet 86 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.23B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.06B	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.80B	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$1.94B	USD	Point-in-time
Inventories	`InventoryNet`	$1.87B	USD	Point-in-time
Inventories	`InventoryNet`	$1.67B	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$89.00M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$78.00M	USD	Point-in-time
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
Total current assets	`AssetsCurrent`	$5.97B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$6.76B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$8.53B	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	shares	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$8.57B	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	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
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$615.00M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$651.00M	USD	Point-in-time
Goodwill	`Goodwill`	$2.16B	USD	Point-in-time
Goodwill	`Goodwill`	$2.16B	USD	Point-in-time
Common stock, par value, in dollars per share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value, in dollars per share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Customer relationships, net	`FiniteLivedIntangibleAssetsNet`	$933.00M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Customer relationships, net	`FiniteLivedIntangibleAssetsNet`	$993.00M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Other intangible assets, net	`OtherIntangibleAssetsNet`	$538.00M	USD	Point-in-time
Other intangible assets, net	`OtherIntangibleAssetsNet`	$572.00M	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$1.12B	USD	Point-in-time
Equity method investments	`EquityMethodInvestments`	$1.14B	USD	Point-in-time
Other assets, net	`DeferredCostsAndOtherAssets`	$669.00M	USD	Point-in-time
Other assets, net	`DeferredCostsAndOtherAssets`	$569.00M	USD	Point-in-time
Total assets	`Assets`	$21.40B	USD	Point-in-time
Total assets	`Assets`	$20.55B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$889.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$811.00M	USD	Point-in-time
Accrued and other liabilities	`AccruedLiabilitiesCurrent`	$1.41B	USD	Point-in-time
Accrued and other liabilities	`AccruedLiabilitiesCurrent`	$1.55B	USD	Point-in-time
Current portion of long-term debt, net	`LongTermDebtCurrent`	-	USD	Point-in-time
Current portion of long-term debt, net	`LongTermDebtCurrent`	$299.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.66B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.30B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$4.57B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$4.88B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.74B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.68B	USD	Point-in-time
Pension and other post-retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$355.00M	USD	Point-in-time
Pension and other post-retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$349.00M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$542.00M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$504.00M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$307.00M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$314.00M	USD	Point-in-time
Total liabilities	`Liabilities`	$10.09B	USD	Point-in-time
Total liabilities	`Liabilities`	$10.11B	USD	Point-in-time
Commitments and contingencies (Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 14)	`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 134,651,380 shares issued at September 30, 2023 and December 31, 2022, 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, 2023 and December 31, 2022, respectively	`CommonStockValue`	$1.00M	USD	Point-in-time
Common stock, held in treasury, at cost; 6,518,691 and 7,278,651 shares at September 30, 2023 and December 31, 2022, respectively	`TreasuryStockValue`	$467.00M	USD	Point-in-time
Common stock, held in treasury, at cost; 6,518,691 and 7,278,651 shares at September 30, 2023 and December 31, 2022, respectively	`TreasuryStockValue`	$440.00M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$601.00M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$619.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$9.88B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$10.71B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-89.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-131.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-231.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-36.00M	USD	Point-in-time
Total Westlake Corporation stockholders' equity	`StockholdersEquity`	$9.93B	USD	Point-in-time
Total Westlake Corporation stockholders' equity	`StockholdersEquity`	$10.75B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$531.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$534.00M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.08B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.46B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.19B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.29B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.97B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.25B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.53B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.83B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$21.40B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$20.55B	USD	Point-in-time

Income Statement 76 line items

Line Item	Tag	Value	Unit	Period
Net sales	`Revenues`	$12.49B	USD	3 Qtrs
Net sales	`Revenues`	$3.12B	USD	1 Quarter
Net sales	`Revenues`	$3.96B	USD	1 Quarter
Net sales	`Revenues`	$9.72B	USD	3 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$3.18B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$7.70B	USD	3 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$2.53B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$8.99B	USD	3 Qtrs
Gross profit	`GrossProfit`	$776.00M	USD	1 Quarter
Gross profit	`GrossProfit`	$586.00M	USD	1 Quarter
Gross profit	`GrossProfit`	$3.51B	USD	3 Qtrs
Gross profit	`GrossProfit`	$2.02B	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$206.00M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$215.00M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$641.00M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$635.00M	USD	3 Qtrs
Amortization of intangibles	`AmortizationOfIntangibleAssets`	$39.00M	USD	1 Quarter
Amortization of intangibles	`AmortizationOfIntangibleAssets`	$31.00M	USD	1 Quarter
Amortization of intangibles	`AmortizationOfIntangibleAssets`	$92.00M	USD	3 Qtrs
Amortization of intangibles	`AmortizationOfIntangibleAssets`	$124.00M	USD	3 Qtrs
Restructuring, transaction and integration-related costs	`RestructuringTransactionandIntegrationCost`	$6.00M	USD	3 Qtrs
Restructuring, transaction and integration-related costs	`RestructuringTransactionandIntegrationCost`	-	USD	1 Quarter
Restructuring, transaction and integration-related costs	`RestructuringTransactionandIntegrationCost`	$6.00M	USD	1 Quarter
Restructuring, transaction and integration-related costs	`RestructuringTransactionandIntegrationCost`	$24.00M	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$516.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$349.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$2.72B	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$1.28B	USD	3 Qtrs
Interest expense	`InterestExpense`	$124.00M	USD	3 Qtrs
Interest expense	`InterestExpense`	$40.00M	USD	1 Quarter
Interest expense	`InterestExpense`	$134.00M	USD	3 Qtrs
Interest expense	`InterestExpense`	$44.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$52.00M	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$56.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$101.00M	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$24.00M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$365.00M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$496.00M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.26B	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.64B	USD	3 Qtrs
Provision for income taxes	`IncomeTaxExpenseBenefit`	$70.00M	USD	1 Quarter
Provision for income taxes	`IncomeTaxExpenseBenefit`	$592.00M	USD	3 Qtrs
Provision for income taxes	`IncomeTaxExpenseBenefit`	$84.00M	USD	1 Quarter
Provision for income taxes	`IncomeTaxExpenseBenefit`	$249.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$2.05B	USD	3 Qtrs
Net income	`ProfitLoss`	$307.00M	USD	1 Quarter
Net income	`ProfitLoss`	$873.00M	USD	1 Quarter
Net income	`ProfitLoss`	$295.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.01B	USD	3 Qtrs
Net income	`ProfitLoss`	$412.00M	USD	1 Quarter
Net income	`ProfitLoss`	$764.00M	USD	1 Quarter
Net income	`ProfitLoss`	$407.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.00M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$34.00M	USD	3 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$33.00M	USD	3 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$11.00M	USD	1 Quarter
Net income attributable to Westlake Corporation	`NetIncomeLoss`	$976.00M	USD	3 Qtrs
Net income attributable to Westlake Corporation	`NetIncomeLoss`	$2.02B	USD	3 Qtrs
Net income attributable to Westlake Corporation	`NetIncomeLoss`	$401.00M	USD	1 Quarter
Net income attributable to Westlake Corporation	`NetIncomeLoss`	$285.00M	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.12	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.22	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$15.65	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$7.61	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.20	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$7.56	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$15.54	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.10	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	127.85M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	128.12M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	127.94M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	127.69M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	128.58M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	128.75M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	128.51M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	129.00M	shares	3 Qtrs

Cash Flow Statement 76 line items

Line Item	Tag	Value	Unit	Period
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
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$3.00M	USD	3 Qtrs
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest	`OtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest`	$1.00M	USD	1 Quarter
Net income	`ProfitLoss`	$2.05B	USD	3 Qtrs
Net income	`ProfitLoss`	$307.00M	USD	1 Quarter
Net income	`ProfitLoss`	$873.00M	USD	1 Quarter
Net income	`ProfitLoss`	$295.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.01B	USD	3 Qtrs
Net income	`ProfitLoss`	$412.00M	USD	1 Quarter
Net income	`ProfitLoss`	$764.00M	USD	1 Quarter
Net income	`ProfitLoss`	$407.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$264.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$785.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$277.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$815.00M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$26.00M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$31.00M	USD	3 Qtrs
Loss from disposition and write-off of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-24.00M	USD	3 Qtrs
Loss from disposition and write-off of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-36.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-67.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$44.00M	USD	3 Qtrs
Other losses (gains), net	`OtherOperatingActivitiesCashFlowStatement`	$-12.00M	USD	3 Qtrs
Other losses (gains), net	`OtherOperatingActivitiesCashFlowStatement`	$24.00M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$100.00M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$130.00M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$-194.00M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$338.00M	USD	3 Qtrs
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$28.00M	USD	3 Qtrs
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$18.00M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-28.00M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$2.00M	USD	3 Qtrs
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$144.00M	USD	3 Qtrs
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$206.00M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$156.00M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$189.00M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.56B	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.76B	USD	3 Qtrs
Acquisition of business, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	3 Qtrs
Acquisition of business, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$1.17B	USD	3 Qtrs
Additions to investments in unconsolidated subsidiaries	`ReturnOfAdditionsToInvestmentFromUnconsolidatedSubsidiaries`	$177.00M	USD	3 Qtrs
Additions to investments in unconsolidated subsidiaries	`ReturnOfAdditionsToInvestmentFromUnconsolidatedSubsidiaries`	$18.00M	USD	3 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$318.00M	USD	1 Quarter
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$811.00M	USD	3 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$245.00M	USD	1 Quarter
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$752.00M	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-20.00M	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-11.00M	USD	3 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.15B	USD	3 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-750.00M	USD	3 Qtrs
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$33.00M	USD	3 Qtrs
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$34.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$156.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$123.00M	USD	3 Qtrs
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$39.00M	USD	3 Qtrs
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$17.00M	USD	3 Qtrs
Repayment of senior notes	`RepaymentsOfLongTermDebt`	-	USD	3 Qtrs
Repayment of senior notes	`RepaymentsOfLongTermDebt`	$250.00M	USD	3 Qtrs
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$68.00M	USD	3 Qtrs
Repurchase of common stock for treasury	`PaymentsForRepurchaseOfCommonStock`	$23.00M	USD	3 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.00M	USD	3 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-22.00M	USD	3 Qtrs
Net cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-175.00M	USD	3 Qtrs
Net cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-480.00M	USD	3 Qtrs
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-12.00M	USD	3 Qtrs
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-67.00M	USD	3 Qtrs
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$826.00M	USD	3 Qtrs
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-135.00M	USD	3 Qtrs
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.94B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.25B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.81B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.07B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.94B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.25B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.81B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.07B	USD	Point-in-time

Stockholders Equity 62 line items

Line Item	Tag	Value	Unit	Period
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.08B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.46B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.19B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.29B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.97B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.25B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.53B	USD	Point-in-time
Beginning balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.83B	USD	Point-in-time
Net income	`ProfitLoss`	$2.05B	USD	3 Qtrs
Net income	`ProfitLoss`	$307.00M	USD	1 Quarter
Net income	`ProfitLoss`	$873.00M	USD	1 Quarter
Net income	`ProfitLoss`	$295.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.01B	USD	3 Qtrs
Net income	`ProfitLoss`	$412.00M	USD	1 Quarter
Net income	`ProfitLoss`	$764.00M	USD	1 Quarter
Net income	`ProfitLoss`	$407.00M	USD	1 Quarter
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-12.00M	USD	1 Quarter
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-55.00M	USD	1 Quarter
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-73.00M	USD	1 Quarter
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-119.00M	USD	1 Quarter
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-11.00M	USD	1 Quarter
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$22.00M	USD	1 Quarter
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-203.00M	USD	3 Qtrs
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-45.00M	USD	3 Qtrs
Common stock repurchased (in shares)	`TreasuryStockSharesAcquired`	372,430.00	shares	1 Quarter
Common stock repurchased (in shares)	`TreasuryStockSharesAcquired`	412,490.00	shares	1 Quarter
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$32.00M	USD	1 Quarter
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$22.00M	USD	1 Quarter
Common stock repurchased	`TreasuryStockValueAcquiredCostMethod`	$1.00M	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$6.00M	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$4.00M	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$4.00M	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$10.00M	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$31.00M	USD	1 Quarter
Shares issuedstock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$8.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$9.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$8.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$10.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$10.00M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$9.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$45.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$64.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$47.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$46.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$39.00M	USD	1 Quarter
Dividends declared	`DividendsCommonStockCash`	$38.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$14.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$9.00M	USD	1 Quarter
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$14.00M	USD	1 Quarter
Noncontrolling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$2.00M	USD	1 Quarter
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.08B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.46B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.19B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.29B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.97B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.25B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.53B	USD	Point-in-time
Ending balances	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.83B	USD	Point-in-time

Comprehensive Income 48 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$2.05B	USD	3 Qtrs
Net income	`ProfitLoss`	$307.00M	USD	1 Quarter
Net income	`ProfitLoss`	$873.00M	USD	1 Quarter
Net income	`ProfitLoss`	$295.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.01B	USD	3 Qtrs
Net income	`ProfitLoss`	$412.00M	USD	1 Quarter
Net income	`ProfitLoss`	$764.00M	USD	1 Quarter
Net income	`ProfitLoss`	$407.00M	USD	1 Quarter
Pension and other post-retirement benefits reserves adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	-	USD	1 Quarter
Pension and other post-retirement benefits reserves adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	-	USD	1 Quarter
Pension and other post-retirement benefits reserves adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	-	USD	3 Qtrs
Pension and other post-retirement benefits reserves adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$-1.00M	USD	3 Qtrs
Income tax provision on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	3 Qtrs
Income tax provision on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	1 Quarter
Income tax provision on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-13.00M	USD	3 Qtrs
Income tax provision on pension and other post-retirement benefits liability	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	-	USD	1 Quarter
Foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-106.00M	USD	1 Quarter
Foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-50.00M	USD	1 Quarter
Foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-175.00M	USD	3 Qtrs
Foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-30.00M	USD	3 Qtrs
Income tax provision benefit on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$29.00M	USD	3 Qtrs
Income tax provision benefit on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$13.00M	USD	1 Quarter
Income tax provision benefit on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$2.00M	USD	3 Qtrs
Income tax provision benefit on foreign currency translation	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$4.00M	USD	1 Quarter
Other, net of income tax	`OtherComprehensiveIncomeOtherNetOfTax`	-	USD	3 Qtrs
Other, net of income tax	`OtherComprehensiveIncomeOtherNetOfTax`	-	USD	3 Qtrs
Other, net of income tax	`OtherComprehensiveIncomeOtherNetOfTax`	-	USD	1 Quarter
Other, net of income tax	`OtherComprehensiveIncomeOtherNetOfTax`	$-1.00M	USD	1 Quarter
Other comprehensive loss, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-12.00M	USD	1 Quarter
Other comprehensive loss, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-55.00M	USD	1 Quarter
Other comprehensive loss, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-73.00M	USD	1 Quarter
Other comprehensive loss, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-119.00M	USD	1 Quarter
Other comprehensive loss, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-11.00M	USD	1 Quarter
Other comprehensive loss, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$22.00M	USD	1 Quarter
Other comprehensive loss, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-203.00M	USD	3 Qtrs
Other comprehensive loss, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-45.00M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$964.00M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.85B	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$240.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$293.00M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests, net of tax of $1 and $1 for the three months ended September 30, 2023 and 2022; and net of tax of $3 and $3 for the nine months ended September 30, 2023 and 2022, respectively	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.00M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests, net of tax of $1 and $1 for the three months ended September 30, 2023 and 2022; and net of tax of $3 and $3 for the nine months ended September 30, 2023 and 2022, respectively	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$30.00M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests, net of tax of $1 and $1 for the three months ended September 30, 2023 and 2022; and net of tax of $3 and $3 for the nine months ended September 30, 2023 and 2022, respectively	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$26.00M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests, net of tax of $1 and $1 for the three months ended September 30, 2023 and 2022; and net of tax of $3 and $3 for the nine months ended September 30, 2023 and 2022, respectively	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.00M	USD	1 Quarter
Comprehensive income attributable to Westlake Corporation	`ComprehensiveIncomeNetOfTax`	$1.82B	USD	3 Qtrs
Comprehensive income attributable to Westlake Corporation	`ComprehensiveIncomeNetOfTax`	$286.00M	USD	1 Quarter
Comprehensive income attributable to Westlake Corporation	`ComprehensiveIncomeNetOfTax`	$934.00M	USD	3 Qtrs
Comprehensive income attributable to Westlake Corporation	`ComprehensiveIncomeNetOfTax`	$233.00M	USD	1 Quarter

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