Westlake Corporation Total Debt 2009–2025
Westlake Corporation reported $5.58B of total debt (short- plus long-term borrowings) for fiscal 2025. That was 22.4% higher than fiscal 2024. Compared with fiscal 2020, the change was +56.6%.
| Fiscal year | Total Debt | Change (YoY) |
|---|---|---|
| FY 2025 | $5.58B | +22.4% |
| FY 2024 | $4.56B | -7.0% |
| FY 2023 | $4.91B | +0.6% |
| FY 2022 | $4.88B | -5.8% |
| FY 2021 | $5.18B | +45.3% |
| FY 2020 | $3.57B | +3.5% |
| FY 2019 | $3.44B | +29.1% |
| FY 2018 | $2.67B | -30.5% |
| FY 2017 | $3.84B | +0.2% |
| FY 2016 | $3.83B | +404.9% |
| FY 2015 | $758.15M | -0.8% |
| FY 2014 | $764.00M | +0.0% |
| FY 2013 | $763.88M | +0.0% |
| FY 2012 | $763.76M | -0.1% |
| FY 2011 | $764.56M | +0.0% |
| FY 2010 | $764.48M | — |
| FY 2009 | $0 | — |
Source: Westlake Corporation SEC filings — balance sheet (10-K). Computed deterministically; refreshed nightly (last updated August 2, 2026). Open WLK 10-K filings at SEC EDGAR · Methodology · Download CSV.
How to read this history
Westlake Corporation reported $5.58B of total debt (short- plus long-term borrowings) for fiscal 2025. That was 22.4% higher than fiscal 2024. Compared with fiscal 2020, the change was +56.6%. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.
Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.
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What is Westlake Corporation's total debt (short- plus long-term borrowings)?
Westlake Corporation (WLK) reported total debt (short- plus long-term borrowings) of $5.58B for fiscal year 2025, per its SEC filings.
Where does this data come from?
Figures are computed from Westlake Corporation's official SEC filings (balance sheet (10-K)), refreshed nightly. Not investment advice.
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