Listed

Westlake Corp

WLKNYSECIK 1262823MaterialsFiscal year ends Dec 31

Standardized line items from XBRL company facts, the last twelve quarters. Negative values are in parentheses. A figure marked d is derived from year-to-date figures.

Income statement

Revenue$3.27bn, Q2 FY2026
Operating income$364.0m, Q2 FY2026
Net income$260.0m, Q2 FY2026
Westlake Corp, income statement, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Revenue$m3,115Revenue, Q3 FY2023, three months to 2023-09-30$3.12bn. XBRL concept us-gaap:Revenues. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure2,826Revenue, Q4 FY2023, three months to 2023-12-31$2.83bn. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure2,975Revenue, Q1 FY2024, three months to 2024-03-31$2.98bn. XBRL concept us-gaap:Revenues. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure3,207Revenue, Q2 FY2024, three months to 2024-06-30$3.21bn. XBRL concept us-gaap:Revenues. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure3,117Revenue, Q3 FY2024, three months to 2024-09-30$3.12bn. XBRL concept us-gaap:Revenues. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure2,843Revenue, Q4 FY2024, three months to 2024-12-31$2.84bn. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure2,846Revenue, Q1 FY2025, three months to 2025-03-31$2.85bn. XBRL concept us-gaap:Revenues. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure2,953Revenue, Q2 FY2025, three months to 2025-06-30$2.95bn. XBRL concept us-gaap:Revenues. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure2,838Revenue, Q3 FY2025, three months to 2025-09-30$2.84bn. XBRL concept us-gaap:Revenues. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure2,533Revenue, Q4 FY2025, three months to 2025-12-31$2.53bn. XBRL concept us-gaap:Revenues. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure2,652Revenue, Q1 FY2026, three months to 2026-03-31$2.65bn. XBRL concept us-gaap:Revenues. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure3,271Revenue, Q2 FY2026, three months to 2026-06-30$3.27bn. XBRL concept us-gaap:Revenues. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Cost of revenue$m2,529Cost of revenue, Q3 FY2023, three months to 2023-09-30$2.53bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure2,627Cost of revenue, Q4 FY2023, three months to 2023-12-31$2.63bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure2,509Cost of revenue, Q1 FY2024, three months to 2024-03-31$2.51bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure2,543Cost of revenue, Q2 FY2024, three months to 2024-06-30$2.54bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure2,618Cost of revenue, Q3 FY2024, three months to 2024-09-30$2.62bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure2,515Cost of revenue, Q4 FY2024, three months to 2024-12-31$2.52bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure2,614Cost of revenue, Q1 FY2025, three months to 2025-03-31$2.61bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure2,695Cost of revenue, Q2 FY2025, three months to 2025-06-30$2.69bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure2,602Cost of revenue, Q3 FY2025, three months to 2025-09-30$2.60bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure2,446Cost of revenue, Q4 FY2025, three months to 2025-12-31$2.45bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure2,540Cost of revenue, Q1 FY2026, three months to 2026-03-31$2.54bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure2,619Cost of revenue, Q2 FY2026, three months to 2026-06-30$2.62bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Gross profit$m586Gross profit, Q3 FY2023, three months to 2023-09-30$586.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure199Gross profit, Q4 FY2023, three months to 2023-12-31$199.0m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure466Gross profit, Q1 FY2024, three months to 2024-03-31$466.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure664Gross profit, Q2 FY2024, three months to 2024-06-30$664.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure499Gross profit, Q3 FY2024, three months to 2024-09-30$499.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure328Gross profit, Q4 FY2024, three months to 2024-12-31$328.0m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure232Gross profit, Q1 FY2025, three months to 2025-03-31$232.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure258Gross profit, Q2 FY2025, three months to 2025-06-30$258.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure236Gross profit, Q3 FY2025, three months to 2025-09-30$236.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure87.0Gross profit, Q4 FY2025, three months to 2025-12-31$87.0m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure112Gross profit, Q1 FY2026, three months to 2026-03-31$112.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure652Gross profit, Q2 FY2026, three months to 2026-06-30$652.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Selling, general and administrative$m206Selling, general and administrative, Q3 FY2023, three months to 2023-09-30$206.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure224Selling, general and administrative, Q4 FY2023, three months to 2023-12-31$224.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure209Selling, general and administrative, Q1 FY2024, three months to 2024-03-31$209.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure224Selling, general and administrative, Q2 FY2024, three months to 2024-06-30$224.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure215Selling, general and administrative, Q3 FY2024, three months to 2024-09-30$215.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure226Selling, general and administrative, Q4 FY2024, three months to 2024-12-31$226.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure227Selling, general and administrative, Q1 FY2025, three months to 2025-03-31$227.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure221Selling, general and administrative, Q2 FY2025, three months to 2025-06-30$221.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure228Selling, general and administrative, Q3 FY2025, three months to 2025-09-30$228.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure224Selling, general and administrative, Q4 FY2025, three months to 2025-12-31$224.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure236Selling, general and administrative, Q1 FY2026, three months to 2026-03-31$236.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure253Selling, general and administrative, Q2 FY2026, three months to 2026-06-30$253.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Operating income$m349Operating income, Q3 FY2023, three months to 2023-09-30$349.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure(552)Operating income, Q4 FY2023, three months to 2023-12-31−$552.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure223Operating income, Q1 FY2024, three months to 2024-03-31$223.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure406Operating income, Q2 FY2024, three months to 2024-06-30$406.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure180Operating income, Q3 FY2024, three months to 2024-09-30$180.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure66.0Operating income, Q4 FY2024, three months to 2024-12-31$66.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure(32.0)Operating income, Q1 FY2025, three months to 2025-03-31−$32.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure(109)Operating income, Q2 FY2025, three months to 2025-06-30−$109.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure(766)Operating income, Q3 FY2025, three months to 2025-09-30−$766.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure(671)Operating income, Q4 FY2025, three months to 2025-12-31−$671.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure(172)Operating income, Q1 FY2026, three months to 2026-03-31−$172.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure364Operating income, Q2 FY2026, three months to 2026-06-30$364.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Interest expense$m40.0Interest expense, Q3 FY2023, three months to 2023-09-30$40.0m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2023-11-02, accession 0001262823-23-000042.Report this figure41.0Interest expense, Q4 FY2023, three months to 2023-12-31$41.0m. XBRL concept us-gaap:InterestExpense. 10-K filed 2024-02-22, accession 0001262823-24-000014. Derived: 12-month figure less the 9-month figure.Report this figure40.0Interest expense, Q1 FY2024, three months to 2024-03-31$40.0m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2024-05-02, accession 0001262823-24-000025.Report this figure41.0Interest expense, Q2 FY2024, three months to 2024-06-30$41.0m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2024-08-09, accession 0001262823-24-000045.Report this figure39.0Interest expense, Q3 FY2024, three months to 2024-09-30$39.0m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure39.0Interest expense, Q4 FY2024, three months to 2024-12-31$39.0m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure39.0Interest expense, Q1 FY2025, three months to 2025-03-31$39.0m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure40.0Interest expense, Q2 FY2025, three months to 2025-06-30$40.0m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure41.0Interest expense, Q3 FY2025, three months to 2025-09-30$41.0m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure51.0Interest expense, Q4 FY2025, three months to 2025-12-31$51.0m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure56.0Interest expense, Q1 FY2026, three months to 2026-03-31$56.0m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure55.0Interest expense, Q2 FY2026, three months to 2026-06-30$55.0m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Income tax$m70.0Income tax, Q3 FY2023, three months to 2023-09-30$70.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure(71.0)Income tax, Q4 FY2023, three months to 2023-12-31−$71.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure48.0Income tax, Q1 FY2024, three months to 2024-03-31$48.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure101Income tax, Q2 FY2024, three months to 2024-06-30$101.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure65.0Income tax, Q3 FY2024, three months to 2024-09-30$65.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure77.0Income tax, Q4 FY2024, three months to 2024-12-31$77.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure1.0Income tax, Q1 FY2025, three months to 2025-03-31$1.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure6.0Income tax, Q2 FY2025, three months to 2025-06-30$6.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure(3.0)Income tax, Q3 FY2025, three months to 2025-09-30−$3.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure(130)Income tax, Q4 FY2025, three months to 2025-12-31−$130.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure(33.0)Income tax, Q1 FY2026, three months to 2026-03-31−$33.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure67.0Income tax, Q2 FY2026, three months to 2026-06-30$67.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Net income$m285Net income, Q3 FY2023, three months to 2023-09-30$285.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure(497)Net income, Q4 FY2023, three months to 2023-12-31−$497.0m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure174Net income, Q1 FY2024, three months to 2024-03-31$174.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure313Net income, Q2 FY2024, three months to 2024-06-30$313.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure108Net income, Q3 FY2024, three months to 2024-09-30$108.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure7.0Net income, Q4 FY2024, three months to 2024-12-31$7.0m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure(40.0)Net income, Q1 FY2025, three months to 2025-03-31−$40.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure(142)Net income, Q2 FY2025, three months to 2025-06-30−$142.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure(782)Net income, Q3 FY2025, three months to 2025-09-30−$782.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure(544)Net income, Q4 FY2025, three months to 2025-12-31−$544.0m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure(169)Net income, Q1 FY2026, three months to 2026-03-31−$169.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure260Net income, Q2 FY2026, three months to 2026-06-30$260.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Diluted EPS$ per share2.20Diluted EPS, Q3 FY2023, three months to 2023-09-30$2.20 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figurenot reported1.34Diluted EPS, Q1 FY2024, three months to 2024-03-31$1.34 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure2.40Diluted EPS, Q2 FY2024, three months to 2024-06-30$2.40 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure0.83Diluted EPS, Q3 FY2024, three months to 2024-09-30$0.83 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figurenot reported(0.31)Diluted EPS, Q1 FY2025, three months to 2025-03-31−$0.31 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure(1.11)Diluted EPS, Q2 FY2025, three months to 2025-06-30−$1.11 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure(6.06)Diluted EPS, Q3 FY2025, three months to 2025-09-30−$6.06 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figurenot reported(1.31)Diluted EPS, Q1 FY2026, three months to 2026-03-31−$1.31 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure2.01Diluted EPS, Q2 FY2026, three months to 2026-06-30$2.01 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Basic EPS$ per share2.22Basic EPS, Q3 FY2023, three months to 2023-09-30$2.22 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figurenot reported1.35Basic EPS, Q1 FY2024, three months to 2024-03-31$1.35 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure2.42Basic EPS, Q2 FY2024, three months to 2024-06-30$2.42 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure0.84Basic EPS, Q3 FY2024, three months to 2024-09-30$0.84 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figurenot reported(0.31)Basic EPS, Q1 FY2025, three months to 2025-03-31−$0.31 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure(1.11)Basic EPS, Q2 FY2025, three months to 2025-06-30−$1.11 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure(6.06)Basic EPS, Q3 FY2025, three months to 2025-09-30−$6.06 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figurenot reported(1.31)Basic EPS, Q1 FY2026, three months to 2026-03-31−$1.31 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure2.02Basic EPS, Q2 FY2026, three months to 2026-06-30$2.02 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure

Balance sheet

Cash and equivalents$1.64bn, Q2 FY2026
Long-term debt$5.07bn, Q2 FY2026
Shareholders' equity$8.71bn, Q2 FY2026
Westlake Corp, balance sheet, quarterly
Line itemUnitQ3 FY20232023-09-30FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Cash and equivalents$bn3.1Cash and equivalents, Q3 FY2023, at 2023-09-30$3.06bn. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2023-11-02, accession 0001262823-23-000042.Report this figure3.3Cash and equivalents, FY2023, at 2023-12-31$3.30bn. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2025-02-25, accession 0001262823-25-000011.Report this figure3.1Cash and equivalents, Q1 FY2024, at 2024-03-31$3.11bn. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-05-02, accession 0001262823-24-000025.Report this figure3.0Cash and equivalents, Q2 FY2024, at 2024-06-30$3.04bn. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-08-09, accession 0001262823-24-000045.Report this figure2.9Cash and equivalents, Q3 FY2024, at 2024-09-30$2.92bn. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure2.9Cash and equivalents, FY2024, at 2024-12-31$2.92bn. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2026-02-26, accession 0001262823-26-000016.Report this figure2.3Cash and equivalents, Q1 FY2025, at 2025-03-31$2.30bn. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure2.1Cash and equivalents, Q2 FY2025, at 2025-06-30$2.08bn. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure1.9Cash and equivalents, Q3 FY2025, at 2025-09-30$1.93bn. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure2.7Cash and equivalents, FY2025, at 2025-12-31$2.72bn. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure2.3Cash and equivalents, Q1 FY2026, at 2026-03-31$2.27bn. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure1.6Cash and equivalents, Q2 FY2026, at 2026-06-30$1.64bn. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Current assets$bn6.8Current assets, Q3 FY2023, at 2023-09-30$6.76bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2023-11-02, accession 0001262823-23-000042.Report this figure6.6Current assets, FY2023, at 2023-12-31$6.61bn. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2025-02-25, accession 0001262823-25-000011.Report this figure6.5Current assets, Q1 FY2024, at 2024-03-31$6.53bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-05-02, accession 0001262823-24-000025.Report this figure6.6Current assets, Q2 FY2024, at 2024-06-30$6.61bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-08-09, accession 0001262823-24-000045.Report this figure6.5Current assets, Q3 FY2024, at 2024-09-30$6.55bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure6.2Current assets, FY2024, at 2024-12-31$6.21bn. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2026-02-26, accession 0001262823-26-000016.Report this figure6.0Current assets, Q1 FY2025, at 2025-03-31$6.02bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure5.9Current assets, Q2 FY2025, at 2025-06-30$5.95bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure5.8Current assets, Q3 FY2025, at 2025-09-30$5.75bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure6.2Current assets, FY2025, at 2025-12-31$6.22bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure6.0Current assets, Q1 FY2026, at 2026-03-31$5.95bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure5.7Current assets, Q2 FY2026, at 2026-06-30$5.69bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Total assets$bn21.4Total assets, Q3 FY2023, at 2023-09-30$21.40bn. XBRL concept us-gaap:Assets. 10-Q filed 2023-11-02, accession 0001262823-23-000042.Report this figure21.0Total assets, FY2023, at 2023-12-31$21.04bn. XBRL concept us-gaap:Assets. 10-K filed 2025-02-25, accession 0001262823-25-000011.Report this figure21.0Total assets, Q1 FY2024, at 2024-03-31$20.96bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-05-02, accession 0001262823-24-000025.Report this figure21.1Total assets, Q2 FY2024, at 2024-06-30$21.08bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-08-09, accession 0001262823-24-000045.Report this figure21.1Total assets, Q3 FY2024, at 2024-09-30$21.11bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure20.8Total assets, FY2024, at 2024-12-31$20.75bn. XBRL concept us-gaap:Assets. 10-K filed 2026-02-26, accession 0001262823-26-000016.Report this figure20.7Total assets, Q1 FY2025, at 2025-03-31$20.71bn. XBRL concept us-gaap:Assets. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure20.8Total assets, Q2 FY2025, at 2025-06-30$20.81bn. XBRL concept us-gaap:Assets. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure19.8Total assets, Q3 FY2025, at 2025-09-30$19.81bn. XBRL concept us-gaap:Assets. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure20.0Total assets, FY2025, at 2025-12-31$19.96bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure19.7Total assets, Q1 FY2026, at 2026-03-31$19.71bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure19.4Total assets, Q2 FY2026, at 2026-06-30$19.44bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Current liabilities$bn2.7Current liabilities, Q3 FY2023, at 2023-09-30$2.66bn. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2023-11-02, accession 0001262823-23-000042.Report this figure2.8Current liabilities, FY2023, at 2023-12-31$2.79bn. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2025-02-25, accession 0001262823-25-000011.Report this figure2.7Current liabilities, Q1 FY2024, at 2024-03-31$2.65bn. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-05-02, accession 0001262823-24-000025.Report this figure2.5Current liabilities, Q2 FY2024, at 2024-06-30$2.54bn. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-08-09, accession 0001262823-24-000045.Report this figure2.4Current liabilities, Q3 FY2024, at 2024-09-30$2.35bn. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure2.2Current liabilities, FY2024, at 2024-12-31$2.22bn. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2026-02-26, accession 0001262823-26-000016.Report this figure2.3Current liabilities, Q1 FY2025, at 2025-03-31$2.29bn. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure2.4Current liabilities, Q2 FY2025, at 2025-06-30$2.40bn. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure2.9Current liabilities, Q3 FY2025, at 2025-09-30$2.90bn. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure2.8Current liabilities, FY2025, at 2025-12-31$2.77bn. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure2.7Current liabilities, Q1 FY2026, at 2026-03-31$2.74bn. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure2.3Current liabilities, Q2 FY2026, at 2026-06-30$2.32bn. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Total liabilities$bn10.1Total liabilities, Q3 FY2023, at 2023-09-30$10.11bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2023-11-02, accession 0001262823-23-000042.Report this figure10.3Total liabilities, FY2023, at 2023-12-31$10.27bn. XBRL concept us-gaap:Liabilities. 10-K filed 2025-02-25, accession 0001262823-25-000011.Report this figure10.1Total liabilities, Q1 FY2024, at 2024-03-31$10.11bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-05-02, accession 0001262823-24-000025.Report this figure10.0Total liabilities, Q2 FY2024, at 2024-06-30$9.99bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-08-09, accession 0001262823-24-000045.Report this figure9.9Total liabilities, Q3 FY2024, at 2024-09-30$9.92bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure9.7Total liabilities, FY2024, at 2024-12-31$9.71bn. XBRL concept us-gaap:Liabilities. 10-K filed 2026-02-26, accession 0001262823-26-000016.Report this figure9.8Total liabilities, Q1 FY2025, at 2025-03-31$9.79bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure10.0Total liabilities, Q2 FY2025, at 2025-06-30$10.02bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure9.9Total liabilities, Q3 FY2025, at 2025-09-30$9.88bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure10.7Total liabilities, FY2025, at 2025-12-31$10.67bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure10.7Total liabilities, Q1 FY2026, at 2026-03-31$10.66bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure10.2Total liabilities, Q2 FY2026, at 2026-06-30$10.23bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Long-term debt$bn4.6Long-term debt, Q3 FY2023, at 2023-09-30$4.57bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2023-11-02, accession 0001262823-23-000042.Report this figure4.6Long-term debt, FY2023, at 2023-12-31$4.61bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2025-02-25, accession 0001262823-25-000011.Report this figure4.6Long-term debt, Q1 FY2024, at 2024-03-31$4.59bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-05-02, accession 0001262823-24-000025.Report this figure4.6Long-term debt, Q2 FY2024, at 2024-06-30$4.58bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-08-09, accession 0001262823-24-000045.Report this figure4.6Long-term debt, Q3 FY2024, at 2024-09-30$4.62bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure4.6Long-term debt, FY2024, at 2024-12-31$4.56bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2026-02-26, accession 0001262823-26-000016.Report this figure4.6Long-term debt, Q1 FY2025, at 2025-03-31$4.59bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure4.7Long-term debt, Q2 FY2025, at 2025-06-30$4.65bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure3.9Long-term debt, Q3 FY2025, at 2025-09-30$3.91bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure5.1Long-term debt, FY2025, at 2025-12-31$5.09bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure5.1Long-term debt, Q1 FY2026, at 2026-03-31$5.07bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure5.1Long-term debt, Q2 FY2026, at 2026-06-30$5.07bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Current portion of debt$bn0.3Current portion of debt, Q3 FY2023, at 2023-09-30$299.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2023-11-02, accession 0001262823-23-000042.Report this figure0.3Current portion of debt, FY2023, at 2023-12-31$299.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-K filed 2025-02-25, accession 0001262823-25-000011.Report this figure0.3Current portion of debt, Q1 FY2024, at 2024-03-31$300.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2024-05-02, accession 0001262823-24-000025.Report this figure0.3Current portion of debt, Q2 FY2024, at 2024-06-30$300.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2024-08-09, accession 0001262823-24-000045.Report this figure0.0Current portion of debt, Q3 FY2024, at 2024-09-30$0. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure0.0Current portion of debt, FY2024, at 2024-12-31$6.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-K filed 2026-02-26, accession 0001262823-26-000016.Report this figure0.0Current portion of debt, Q1 FY2025, at 2025-03-31$4.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure0.0Current portion of debt, Q2 FY2025, at 2025-06-30$3.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure0.8Current portion of debt, Q3 FY2025, at 2025-09-30$750.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure0.5Current portion of debt, FY2025, at 2025-12-31$497.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure0.5Current portion of debt, Q1 FY2026, at 2026-03-31$496.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure0.0Current portion of debt, Q2 FY2026, at 2026-06-30$0. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure
Short-term borrowings$bnnot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported
Shareholders' equity$bn10.8Shareholders' equity, Q3 FY2023, at 2023-09-30$10.75bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2023-11-02, accession 0001262823-23-000042.Report this figure10.2Shareholders' equity, FY2023, at 2023-12-31$10.24bn. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2025-02-25, accession 0001262823-25-000011.Report this figure10.3Shareholders' equity, Q1 FY2024, at 2024-03-31$10.33bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-05-02, accession 0001262823-24-000025.Report this figure10.6Shareholders' equity, Q2 FY2024, at 2024-06-30$10.57bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-08-09, accession 0001262823-24-000045.Report this figure10.7Shareholders' equity, Q3 FY2024, at 2024-09-30$10.66bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure10.5Shareholders' equity, FY2024, at 2024-12-31$10.53bn. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2026-02-26, accession 0001262823-26-000016.Report this figure10.4Shareholders' equity, Q1 FY2025, at 2025-03-31$10.41bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure10.3Shareholders' equity, Q2 FY2025, at 2025-06-30$10.28bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure9.4Shareholders' equity, Q3 FY2025, at 2025-09-30$9.43bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure8.8Shareholders' equity, FY2025, at 2025-12-31$8.79bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure8.5Shareholders' equity, Q1 FY2026, at 2026-03-31$8.55bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure8.7Shareholders' equity, Q2 FY2026, at 2026-06-30$8.71bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure

Cash flow

Operating cash flow$318.0m, Q2 FY2026
Capital expenditure$207.0m, Q2 FY2026
Share repurchases$30.0m, Q2 FY2026
Westlake Corp, cash flow, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Operating cash flow$m696Operating cash flow, Q3 FY2023, three months to 2023-09-30$696.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2024-11-06, accession 0001262823-24-000053. Derived: 9-month figure less the 6-month figure.Report this figure573Operating cash flow, Q4 FY2023, three months to 2023-12-31$573.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure169Operating cash flow, Q1 FY2024, three months to 2024-03-31$169.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure237Operating cash flow, Q2 FY2024, three months to 2024-06-30$237.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-08-06, accession 0001262823-25-000052. Derived: 6-month figure less the 3-month figure.Report this figure474Operating cash flow, Q3 FY2024, three months to 2024-09-30$474.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-10-31, accession 0001262823-25-000064. Derived: 9-month figure less the 6-month figure.Report this figure434Operating cash flow, Q4 FY2024, three months to 2024-12-31$434.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure(77.0)Operating cash flow, Q1 FY2025, three months to 2025-03-31−$77.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure135Operating cash flow, Q2 FY2025, three months to 2025-06-30$135.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-05, accession 0001262823-26-000032. Derived: 6-month figure less the 3-month figure.Report this figure182Operating cash flow, Q3 FY2025, three months to 2025-09-30$182.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-10-31, accession 0001262823-25-000064. Derived: 9-month figure less the 6-month figure.Report this figure225Operating cash flow, Q4 FY2025, three months to 2025-12-31$225.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure(94.0)Operating cash flow, Q1 FY2026, three months to 2026-03-31−$94.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure318Operating cash flow, Q2 FY2026, three months to 2026-06-30$318.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-05, accession 0001262823-26-000032. Derived: 6-month figure less the 3-month figure.Report this figure
Capital expenditure$m245Capital expenditure, Q3 FY2023, three months to 2023-09-30$245.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2023-11-02, accession 0001262823-23-000042.Report this figure282Capital expenditure, Q4 FY2023, three months to 2023-12-31$282.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure272Capital expenditure, Q1 FY2024, three months to 2024-03-31$272.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure231Capital expenditure, Q2 FY2024, three months to 2024-06-30$231.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-08-06, accession 0001262823-25-000052. Derived: 6-month figure less the 3-month figure.Report this figure220Capital expenditure, Q3 FY2024, three months to 2024-09-30$220.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-10-31, accession 0001262823-25-000064. Derived: 9-month figure less the 6-month figure.Report this figure285Capital expenditure, Q4 FY2024, three months to 2024-12-31$285.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure248Capital expenditure, Q1 FY2025, three months to 2025-03-31$248.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure267Capital expenditure, Q2 FY2025, three months to 2025-06-30$267.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-05, accession 0001262823-26-000032. Derived: 6-month figure less the 3-month figure.Report this figure239Capital expenditure, Q3 FY2025, three months to 2025-09-30$239.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-10-31, accession 0001262823-25-000064. Derived: 9-month figure less the 6-month figure.Report this figure241Capital expenditure, Q4 FY2025, three months to 2025-12-31$241.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure209Capital expenditure, Q1 FY2026, three months to 2026-03-31$209.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure207Capital expenditure, Q2 FY2026, three months to 2026-06-30$207.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-05, accession 0001262823-26-000032. Derived: 6-month figure less the 3-month figure.Report this figure
Dividends paid$m64.0Dividends paid, Q3 FY2023, three months to 2023-09-30$64.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2024-11-06, accession 0001262823-24-000053. Derived: 9-month figure less the 6-month figure.Report this figure65.0Dividends paid, Q4 FY2023, three months to 2023-12-31$65.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure65.0Dividends paid, Q1 FY2024, three months to 2024-03-31$65.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure65.0Dividends paid, Q2 FY2024, three months to 2024-06-30$65.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2025-08-06, accession 0001262823-25-000052. Derived: 6-month figure less the 3-month figure.Report this figure67.0Dividends paid, Q3 FY2024, three months to 2024-09-30$67.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2025-10-31, accession 0001262823-25-000064. Derived: 9-month figure less the 6-month figure.Report this figure67.0Dividends paid, Q4 FY2024, three months to 2024-12-31$67.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure68.0Dividends paid, Q1 FY2025, three months to 2025-03-31$68.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure68.0Dividends paid, Q2 FY2025, three months to 2025-06-30$68.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2026-08-05, accession 0001262823-26-000032. Derived: 6-month figure less the 3-month figure.Report this figure68.0Dividends paid, Q3 FY2025, three months to 2025-09-30$68.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2025-10-31, accession 0001262823-25-000064. Derived: 9-month figure less the 6-month figure.Report this figure68.0Dividends paid, Q4 FY2025, three months to 2025-12-31$68.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure68.0Dividends paid, Q1 FY2026, three months to 2026-03-31$68.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure69.0Dividends paid, Q2 FY2026, three months to 2026-06-30$69.0m. XBRL concept us-gaap:PaymentsOfDividendsCommonStock. 10-Q filed 2026-08-05, accession 0001262823-26-000032. Derived: 6-month figure less the 3-month figure.Report this figure
Share repurchases$m0.0Share repurchases, Q3 FY2023, three months to 2023-09-30$0. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-Q filed 2024-11-06, accession 0001262823-24-000053. Derived: 9-month figure less the 6-month figure.Report this figure0.0Share repurchases, Q4 FY2023, three months to 2023-12-31$0. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure0.0Share repurchases, Q1 FY2024, three months to 2024-03-31$0. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure0.0Share repurchases, Q2 FY2024, three months to 2024-06-30$0. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-Q filed 2025-08-06, accession 0001262823-25-000052. Derived: 6-month figure less the 3-month figure.Report this figure0.0Share repurchases, Q3 FY2024, three months to 2024-09-30$0. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-Q filed 2025-10-31, accession 0001262823-25-000064. Derived: 9-month figure less the 6-month figure.Report this figure60.0Share repurchases, Q4 FY2024, three months to 2024-12-31$60.0m. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure30.0Share repurchases, Q1 FY2025, three months to 2025-03-31$30.0m. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure0.0Share repurchases, Q2 FY2025, three months to 2025-06-30$0. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-Q filed 2026-08-05, accession 0001262823-26-000032. Derived: 6-month figure less the 3-month figure.Report this figure0.0Share repurchases, Q3 FY2025, three months to 2025-09-30$0. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-Q filed 2025-10-31, accession 0001262823-25-000064. Derived: 9-month figure less the 6-month figure.Report this figure33.0Share repurchases, Q4 FY2025, three months to 2025-12-31$33.0m. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-K filed 2026-02-26, accession 0001262823-26-000016. Derived: 12-month figure less the 9-month figure.Report this figure0.0Share repurchases, Q1 FY2026, three months to 2026-03-31$0. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure30.0Share repurchases, Q2 FY2026, three months to 2026-06-30$30.0m. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-Q filed 2026-08-05, accession 0001262823-26-000032. Derived: 6-month figure less the 3-month figure.Report this figure

Shares

Diluted shares (weighted)128.50m, Q2 FY2026
Westlake Corp, shares, quarterly
Line itemUnitQ3 FY20222022-09-30Q1 FY20232023-03-31Q2 FY20232023-06-30Q3 FY20232023-09-30Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q1 FY20262026-03-31Q2 FY20262026-06-30
Diluted shares (weighted)m shares129Diluted shares (weighted), Q3 FY2022, three months to 2022-09-30128,747,012 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2023-11-02, accession 0001262823-23-000042.Report this figure128Diluted shares (weighted), Q1 FY2023, three months to 2023-03-31128,459,368 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-05-02, accession 0001262823-24-000025.Report this figure128Diluted shares (weighted), Q2 FY2023, three months to 2023-06-30128,484,016 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-08-09, accession 0001262823-24-000045.Report this figure129Diluted shares (weighted), Q3 FY2023, three months to 2023-09-30128,583,927 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-11-06, accession 0001262823-24-000053.Report this figure129Diluted shares (weighted), Q1 FY2024, three months to 2024-03-31129,020,370 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-05-02, accession 0001262823-25-000029.Report this figure129Diluted shares (weighted), Q2 FY2024, three months to 2024-06-30129,350,720 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-08-06, accession 0001262823-25-000052.Report this figure129Diluted shares (weighted), Q3 FY2024, three months to 2024-09-30129,340,461 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure128Diluted shares (weighted), Q1 FY2025, three months to 2025-03-31128,308,537 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure128Diluted shares (weighted), Q2 FY2025, three months to 2025-06-30128,238,514 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure128Diluted shares (weighted), Q3 FY2025, three months to 2025-09-30128,251,427 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-10-31, accession 0001262823-25-000064.Report this figure128Diluted shares (weighted), Q1 FY2026, three months to 2026-03-31127,992,500 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-06, accession 0001262823-26-000022.Report this figure129Diluted shares (weighted), Q2 FY2026, three months to 2026-06-30128,500,530 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure

Shares outstanding: 127.80mShares outstanding, period not labelled, at 2026-07-29127,796,548 shares. XBRL concept dei:EntityCommonStockSharesOutstanding. 10-Q filed 2026-08-05, accession 0001262823-26-000032.Report this figure at Jul 29, 2026, from the cover of the 10-Q filed Aug 5, 2026.

Source: SEC EDGAR, XBRL company facts. Last ingested by Listed: Oct 24, 2026, 15:35 ET. Listed shows no prices and gives no investment advice.